1. Hawaii-2 Observatory (H2O) DATES OF OPERATION: October 1, 1999 to Present. SEISMOMETER TYPE: Guralp CMG-3 and Geo Space HS-1 geophones (4.5 Hz). Outputs conditioned to acceleration. Broad-band hydrophone (0.01-20 Hz). External temperature, engineering sensor data archived but not transmitted to IRIS DMC. DIGITAL FORMAT: EVENT DETECTOR ALGORITHM: Click on any of the following items for further information.
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