URSY.LIVEPART OF THE URSY NETWORKSign inOpen the monitor
URSY.LIVEEARTH & SPACE MONITOR
UTCWORLDWIDE
PUBLIC DATA
WorldwideLatest available · source times shown
USGS · REPORTED EARTHQUAKE

M 1.8 · 8 km W of Saint Helena, CA

Observed . Review status: automatic.

MAGNITUDE
1.8 md
DEPTH
7.7 km
LATITUDE
38.4945°
LONGITUDE
-122.5557°

Source & provenance

Source identifier: usgs:nc75437612. Source revised 18 Sep 2026, 03:52 UTC. The latest retained record was collected 18 Sep 2026, 03:55 UTC.

Open the original USGS earthquake record ↗ · Inspect the JSON record

Versions retained by URSY

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

Collected · UTCChangeMagnitudeSource revision · UTC
18 Sep 2026, 03:55 UTCrevised1.818 Sep 2026, 03:52 UTC
18 Sep 2026, 03:02 UTCrevised1.818 Sep 2026, 02:57 UTC
18 Sep 2026, 02:15 UTCcreated1.818 Sep 2026, 02:13 UTC

Explore recent earthquakes · Read the collection methodology

URSY.live source-backed data and service information.
URSY.LIVE / EARTH & SPACE MONITORPublic service 0.6.2 · Source attribution stays with the data