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Location: North-eastern flank of Cleveland volcano, Alaska
Installation Date: September 2022 (AVERT project)
Instrumentation:
- Trillium Compact 120 s posthole analogue seismometer
- 24-bit Centaur digitiser (Nanometrics Incorporated)
- Direct burial method at ~1 m depth
- Aligned with true north using compass compensated for magnetic declination
Data Collection:
- Continuous broadband seismic data
- High sensitivity for detecting micro-earthquakes
- Part of permanent monitoring network
Network Role:
- One of 5 permanent broadband seismometers at Cleveland
- Contributes to Cleveland being officially “monitored” by AVO
- Provides radial coverage of the central vent of Mount Cleveland
Site Characteristics:
- Located on the Islands of Four Mountains in the central Aleutian Arc
- “Open-vent” volcano with persistent gas plume
- Part of AVERT super-site with dual hut configuration
Data Access:
- Continuous seismic data available from EarthScope Data Management Center
- Network code: AV (https://doi.org/10.7914/SN/AV)
- Close to 100% data recovery rate
Additional Infrastructure:
- Co-located with 3-component fluxgate magnetometer
- Co-located with visible and IR cameras
- Co-located with meteorological station
- Co-located with scanning DOAS sensor
- Co-located with GNSS antenna
- Part of AVERT super-site with dual hut configuration
