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USGS · REPORTED EARTHQUAKE

M 1.7 · 2 km SW of San Ramon, CA

Observed . Review status: automatic.

MAGNITUDE
1.7 md
DEPTH
8.3 km
LATITUDE
37.7643°
LONGITUDE
-121.9942°

Source & provenance

Source identifier: usgs:nc75444052. Source revised 28 Sep 2026, 23:22 UTC. The latest retained record was collected 28 Sep 2026, 23:25 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
28 Sep 2026, 23:25 UTCrevised1.728 Sep 2026, 23:22 UTC
28 Sep 2026, 22:35 UTCrevised1.728 Sep 2026, 22:32 UTC
28 Sep 2026, 22:10 UTCcreated1.728 Sep 2026, 22:07 UTC

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