Volcano Watch — Volcanic tremor or distant earthquake? Distinguishing seismic signals

The Island of Hawaiʻi is one of the most seismically active areas in the world, producing thousands of earthquakes every year.  It also commonly produces a signal called tremor that can originate from the volcanic system. 

The Island of Hawaiʻi is one of the most seismically active areas in the world, producing thousands of earthquakes every year.  It also commonly produces a signal called tremor that can originate from the volcanic system.  Read More