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USGS · REPORTED EARTHQUAKE

M 0.9 · 6 km SE of Ontario, CA

Observed . Review status: reviewed.

MAGNITUDE
0.9 ml
DEPTH
4.4 km
LATITUDE
34.0155°
LONGITUDE
-117.5862°

Source & provenance

Source identifier: usgs:ci41341039. Source revised 1 Oct 2026, 13:12 UTC. The latest retained record was collected 1 Oct 2026, 13:12 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
1 Oct 2026, 13:12 UTCrevised0.91 Oct 2026, 13:12 UTC
30 Sep 2026, 17:31 UTCcreated0.930 Sep 2026, 17:26 UTC

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