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Choose "Most Recent Event" to see maps for the most recent earthquake,
select one of the maps from the list of "Recent Significant Events"
or click on the "Map Archive" tab at the top of the page to view past events.

Most Recent Event
Location Date Time Magnitude
25.0 km (15.5 mi) WNW of Petrolia, CA
(ID 72940181)
Dec 14, 2017 10:47:39 PM PST 3.5

Maps of Recent Significant Events

Location Date Time Magnitude
16.6 km (10.3 mi) WSW of Laytonville, CA
(ID 72939656)
Dec 13, 2017 08:57:18 PM PST 4.3
232.2 km (144.3 mi) W of Petrolia, CA
(ID 72897031)
Sep 22, 2017 12:50:15 PM PDT 5.6

USGS

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Page maintained by the ShakeMap Working Group.
Page last generated Dec 14, 2017 11:48:37 PM PST.

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