QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/nc73886731
USGS nc73886731
12 May 2023, 00:19
Lake Almanor Earthquake
A magnitude 5.5 mw earthquake at 5.9 km depth.
Published location
Where is Lake Almanor Earthquake?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.204167, -121.109500
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
nc73886731
Coordinates
40.2041667, -121.1095
Network
nc
Significance
1072