2.2

M2.2 Earthquake 20 km W of Petrolia, CA — September 16, 2026

2026-09-16 23:39:06 UTC (3 days ago) · approx. 3:39 PM UTC-8 local

MagnitudeM2.2(md)
Time23:39 UTC≈ 3:39 PM UTC-8
Depth10.4 kmshallow crustal
Coordinates40.304°, -124.522°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 40.30°, -124.52°

Earthquake Details

Magnitude
2.2 md
Depth
10.4 km
shallow crustal
Location
40.3038°N
-124.5222°E

Technical Information

Event ID
nc75436917
Event Type
earthquake
Status
Automatic
Significance
73
Stations Used
16
Azimuthal Gap
272.0°
Min Station Distance
0.138°
RMS Residual
0.17 sec
Last Updated
2026-09-17 00:57:22 UTC

Nearby Earthquakes (Last 7 Days)

2.7
22 km SSW of Manton, CA
16 hours ago · 16.4 km deep
2.5
10 km ENE of Milpitas, CA
1 day ago · 2.7 km deep
2.6
17 km W of Petrolia, CA
2 days ago · 8.6 km deep
2.6
2 km ENE of Aromas, CA
2 days ago · 0.6 km deep
2.6
21 km E of Alum Rock, CA
3 days ago · 6.3 km deep
3.5
20 km WSW of Petrolia, CA
3 days ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
4 days ago · 7.0 km deep
2.7
3 km ESE of Santa Rosa, CA
4 days ago · 9.1 km deep
3.3
17 km WSW of Petrolia, CA
5 days ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
5 days ago · 24.2 km deep

Actions

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Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

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Authoritative source: USGS event page (event ID: nc75436917). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 16, 2026). M2.2 Earthquake 20 km W of Petrolia, CA — September 16, 2026. Retrieved September 17, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75436917/