Concept
Guralp Maris ocean bottom seismometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1882/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Guralp Maris OBS | ||
| Definition | A real-time broadband cabled ocean bottom seismometer (OBS), designed to be pushed or cored into the seafloor to minimise ambient noise. It is suitable for local, regional and global seismic monitoring of sub-sea hazards, reservoir monitoring, ocean observatory monitoring, and borehole monitoring. The Maris OBS can be used individually or with up to eight additional instruments. It is supplied with the Minimus digitiser, housed in a separate vessel, to deliver data via Ethernet direct to the cabling system. An internal magnetometer and MEMS accelerometer work together to automatically compensate for tilt, and is therefore operational at any angle. Users can purchase either velocity or acceleration variants depending on the preferred output. It is housed in a slim 60 mm diameter titanium enclosure, suitable for depths up to 3000 m. It has a maximum frequency response bandwidth of 120 s (0.0083 Hz) to 200 Hz. Operating temperature is from -30 to +60 degC. Sensor dynamic range is > 149 dB at 1 Hz. | ||
| Date | 2022-11-22T14:06:26 | ||
| Identifier | SDN:L22::TOOL1882 | ||
| Note | accepted | ||
| Is Version Of | TOOL1882 | ||
| version | 1 | ||
| Broader | L05:368 |
seismometers | |
| Related | L35:MAN0141 |
Guralp Systems | |
B75:ORG01765 |
Guralp Systems Ltd | ||
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