Helicorder for Plate Boundary Observatory borehole seismometer B207...
By Volcano Hazards Program
2010 (approx.)
Detailed Description
Seismicity is shown for January 17, 2010 through the Feb 8, 2010. Borehole seismometer B207 is located about 7 miles (12 km) northeast of the 2010 swarm. Seismic data are provided by the National Science Foundation funded Plate Boundary Observatory operated by UNAVCO.
Sources/Usage
Public Domain.
UNAVCO