Tags » Quake-swarm
HOLLISTER (KCBS) — Central California has been experiencing a quake swarm since late Sunday night.
There have been at least 18 small earthquakes in the area, according to the… 78 more words
The volcano is showing signs of unrest that could be (but not necessarily) precursors of a new eruption. Since the beginning of the month, shallow (0-2 km depth) volcanic earthquakes of rock-fracturing type under the Dolomieu crater (the main vent of the volcano) have been more frequent, probably caused by a new magma intrusion. 87 more words