Baldy Mountain, AK, USAOperated by: Alaska Earthquake Center
61.036° N 142.346° W Elevation 1318 meters
BAL is located on Baldy Mountain in the Granite Range, inside Wrangell-St. Elias National Park. The station was originally installed in 1973 and then modernized in 2010 as part of the American Recovery and Reinvestment Act-funded upgrade to the Advanced National Seismic System.
- Datalogger: Quanterra Q330
- Broadband seismometer: Nanometrics Trillium 120
- Strong motion sensor: Kinemetrics EpiSensor ES-T