2.1

M2.1 Earthquake 21 km W of Petrolia, CA — July 18, 2026

2026-07-18 07:18:40 UTC (6 hours ago) · approx. 11:18 PM UTC-8 local

MagnitudeM2.1(md)
Time07:18 UTC≈ 11:18 PM UTC-8
Depth10.8 kmshallow crustal
Coordinates40.321°, -124.531°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 40.32°, -124.53°

Earthquake Details

Magnitude
2.1 md
Depth
10.8 km
shallow crustal
Location
40.3212°N
-124.5310°E

Technical Information

Event ID
nc75398246
Event Type
earthquake
Status
Automatic
Significance
68
Stations Used
7
Azimuthal Gap
307.0°
Min Station Distance
0.148°
RMS Residual
0.04 sec
Last Updated
2026-07-18 07:42:19 UTC

Nearby Earthquakes (Last 7 Days)

2.6
10 km SW of Petrolia, CA
1 day ago · 16.9 km deep
2.6
10 km ESE of Burney, CA
1 day ago · 13.9 km deep
3.0
5 km ESE of Interlaken, CA
1 day ago · 11.6 km deep
2.6
20 km WSW of Petrolia, CA
1 day ago · 13.3 km deep
2.6
31 km SE of Somes Bar, CA
2 days ago · 39.3 km deep
2.7
9 km ESE of Cloverdale, CA
2 days ago · 5.8 km deep
2.6
10 km NNE of Covelo, CA
3 days ago · 7.9 km deep
2.6
4 km NNW of Hydesville, CA
3 days ago · 25.7 km deep
2.7
11 km ESE of Gilroy, CA
4 days ago · 3.5 km deep
2.8
22 km NW of Petrolia, CA
4 days ago · 18.6 km deep

Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

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Authoritative source: USGS event page (event ID: nc75398246). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 18, 2026). M2.1 Earthquake 21 km W of Petrolia, CA — July 18, 2026. Retrieved July 18, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75398246/