M 4.7 near Petrolia, CA
M4.7 quake at depth 13.63 km; no tsunami advisory.
Magnitude 4.7 earthquake, depth 13.63 km, 52 km W of Petrolia, CA.
Magnitude 4.66 Mw
Depth 13.63 km
Epicenter 40.35°N 124.90°W
Tsunami None
Incident area · 52 km W of Petrolia, CA -124.90 · 40.35 · -124.90 · 40.35
Earthquake record
- Magnitude
- M4.7 (Mw)
- Depth
- 13.63 km
- Shaking intensity (MMI)
- 2.771
- Felt reports
- 9
- Tsunami threat
- None
- Tectonic setting
- On the Pacific – Juan de Fuca plate boundary
What to do during a mainshock
Shaking can cause falling objects, collapsing structures, and downed power lines.
- Drop, Cover, and Hold On. Get under a sturdy table or next to an interior wall; protect your head and neck.
- Stay indoors until the shaking stops and you are sure it is safe to exit.
- If outdoors, move to an open area away from buildings, power lines, and trees.
- If driving, pull over in a clear area and stay in the vehicle.
- After the shaking, watch for aftershocks and check for injuries, gas leaks, and structural damage before moving through the building.
General guidance based on NWS, FEMA, and Ready.gov. Always follow instructions from local officials, which take precedence.
Provenance
- Snapshot built
- 2m ago
- Commit
913cb47f- Payload hashes
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0a6fc8f05f44…· USGS