| XE (1999-2001) | 
                        
                            Broadband Experiment Across the Alaska Range | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2002-2002) | 
                        
                            Torfajokull 2002 | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2003-2004) | 
                        
                            Geodynamics of Indentor Corners | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2005-2007) | 
                        
                            Sierra Nevada EarthScope Project | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2008-2008) | 
                        
                            TICO-CAVA | 
                        
                             | 
                        
                            United States of America | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2009-2011) | 
                        
                            Sierra Negra Array Galapagos | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2012-2014) | 
                        
                            Seismic Activity of Low Angle Normal Faults in Death Valley, Caifornia | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2015-2015) | 
                        
                            Study of the Socorro Magma Body | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2016-2017) | 
                        
                            Pedernales | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2018-2019) | 
                        
                            Pacific Array - Haxby | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2020-2020) | 
                        
                            High Resolution Imaging of the Pedernales Earthquake Rupture Zone - Nodes | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2021-2021) | 
                        
                            HERSK-TNA, Hekla Real-Time Seismic Network - Transnational Access Eurovolc project | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XE (2022-2033) | 
                        
                            Pollino Broad-Band Near Fault Observatory (2022-2033), Southern Italy | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (1987-1992) | 
                        
                            Anza Borehole Experiment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (1994-1994) | 
                        
                            Peninsular Range | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (1995-1996) | 
                        
                            Antarctic Microearthquake Project, Monitoring of Ice Stream C, West Antarctica | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (1997-1999) | 
                        
                            GEDEPTH-II | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2000-2001) | 
                        
                            Laramie Telemetered Broad-band Array | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2002-2005) | 
                        
                            Collaborative Research: Lithospheric Scale Dynamics of Active Mountain Building along the Himalayan-Tibetan Collision Zone | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2006-2007) | 
                        
                            Mapping the Rivera Subduction Zone | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2008-2008) | 
                        
                            Red Seismological Experiment | 
                        
                             | 
                        
                            Chile | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2009-2011) | 
                        
                            Collaborative Research: Relating glacier-generated seismicity to ice motion, basal processes and iceberg calving. | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2012-2013) | 
                        
                            Mantle serpentinization and water cycling through the Mariana Trench and Forearc | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2014-2016) | 
                        
                            Understanding Precambrian to Present Assembly of Greenland | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2017-2017) | 
                        
                            INFRA-ETNA | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2018-2019) | 
                        
                            Hazard in Tanzanian Rift | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2020-2020) | 
                        
                            The GEYER seismic network | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2021-2022) | 
                        
                            High Resolution Imaging of the Pedernales Earthquake Rupture Zone - Broadbands | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2023-2023) | 
                        
                            META-WT | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XF (2024-2027) | 
                        
                            MACIV profiles (Multiscale seismic imaging of Massif Central) | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (1992-1992) | 
                        
                            Rocky Mountain Front II | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (1994-1994) | 
                        
                            Anisotropy AI | 
                        
                             | 
                        
                            Germany | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XG (1995-1996) | 
                        
                            Nanga Parbat Pakistan, Crustal Reworking During Orogeny: An Active System Himalayan Perspective | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (1997-1998) | 
                        
                            Amazon | 
                        
                             | 
                        
                            Germany | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XG (1999-2001) | 
                        
                            Eastern Turkey Seismic Experiment: Lithospheric Structure in an Active Continental Collision Zone | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2002-2008) | 
                        
                            A Comparative Study of Natural and Man-Induced Seismicity in the Yanquing-Huailai Basin and the Haicheng Area | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2009-2011) | 
                        
                            Cascadia Array of Arrays | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2012-2013) | 
                        
                            Underground Array | 
                        
                             | 
                        
                            United States of America | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2014-2014) | 
                        
                            Barcelonnette 2014 aftershock sequence | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2015-2015) | 
                        
                            Colorado River Runoff Pilot Project | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2016-2016) | 
                        
                            Universidad Tecnica de Ambato | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2017-2017) | 
                        
                            San Bernardino Basin (USGS) - Jan 2017 nodal deployment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2018-2018) | 
                        
                            Rattlesnake Ridge 2018 | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2019-2019) | 
                        
                            Svalbard - Vallunden | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2020-2020) | 
                        
                            France 2020, DARE project : Temporary Dense nodal seismic array in the Rhône Valley, | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2021-2022) | 
                        
                            Two-station Seismic Noise and Signal Site Survey in Uzbekistan | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2023-2024) | 
                        
                            Geophysical Habitat of Subglacial Thwaites | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XG (2025-2026) | 
                        
                            Monitoring the 2025 Santorini Crisis | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XH (1992-1993) | 
                        
                            Cajon Pass Borehole Recording Phase I | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | XH (1994-1995) | 
                        
                            Colorado Plateau-Great Basin Network, Basin & Range Add On | 
                        
                             | 
                        
                             | 
                        
                             DOI |