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USGS · REPORTED EARTHQUAKE

M 0.9 · 20 km NE of Alum Rock, CA

Observed . Review status: automatic.

MAGNITUDE
0.9 md
DEPTH
6.2 km
LATITUDE
37.5107°
LONGITUDE
-121.6860°

Source & provenance

Source identifier: usgs:nc75439882. Source revised 22 Sep 2026, 08:52 UTC. The latest retained record was collected 22 Sep 2026, 08:55 UTC.

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Versions retained by URSY

History starts when URSY first collects this event. Later source revisions can change reported measurements.

Collected · UTCChangeMagnitudeSource revision · UTC
22 Sep 2026, 08:55 UTCrevised0.922 Sep 2026, 08:52 UTC
22 Sep 2026, 08:32 UTCrevised0.922 Sep 2026, 08:27 UTC
22 Sep 2026, 08:06 UTCcreated0.922 Sep 2026, 08:05 UTC

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