Important Takeaways:

• A surge of earthquakes is rippling through California and reaching as far as Las Vegas.
• Since Oct. 9, Death Valley National Park has seen 130 earthquakes. Elizabeth Cochran, a research geophysicist with the U.S. Geological Survey, confirmed the number to SFGATE in an email. The park saw the largest earthquakes on Oct. 25, reaching magnitudes 4.7 and 4.5.
• “The cluster is considered a swarm of earthquakes because the sequence contains a large number of events but does not have a clear mainshock (an earthquake clearly larger than the rest in the sequence),” Cochran said.
• The recent shakes haven’t caused damage within the park. Death Valley has multiple fault lines — Cochran said namely the Towne Pass Fault and Northern Death Valley Fault — that cover a large area in eastern California and Nevada. The fault lines are capable of producing earthquakes with a magnitude of 7 or larger.

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