2.2

M2.2 Earthquake 4 km E of Saint Helena, CA — March 18, 2025

2025-03-18 17:35:02 UTC (2025-03-18) · approx. 9:35 AM UTC-8 local

MagnitudeM2.2(md)
Time17:35 UTC≈ 9:35 AM UTC-8
Depth8.8 kmshallow crustal
Coordinates38.517°, -122.430°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 38.52°, -122.43°

Earthquake Details

Magnitude
2.2 md
Depth
8.8 km
shallow crustal
Location
38.5170°N
-122.4302°E

Technical Information

Event ID
nc75151142
Event Type
earthquake
Status
✓ Reviewed
Significance
76
Stations Used
105
Azimuthal Gap
30.0°
Min Station Distance
0.034°
RMS Residual
0.17 sec
Last Updated
2025-03-20 03:42:18 UTC

Nearby Earthquakes (Last 7 Days)

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2.6
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2.7
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2.9
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2.7
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2.9
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2.7
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2.9
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Actions

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Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75151142). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, March 18, 2025). M2.2 Earthquake 4 km E of Saint Helena, CA — March 18, 2025. Retrieved March 20, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75151142/