2.1

M2.1 Earthquake 2 km WSW of Granite Bay, CA — June 4, 2026

2026-06-04 21:46:07 UTC (2026-06-04) · approx. 1:46 PM UTC-8 local

MagnitudeM2.1(md)
Time21:46 UTC≈ 1:46 PM UTC-8
Depth10.8 kmshallow crustal
Coordinates38.756°, -121.191°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 38.76°, -121.19°

Earthquake Details

Magnitude
2.1 md
Depth
10.8 km
shallow crustal
Location
38.7560°N
-121.1905°E

Technical Information

Event ID
nc75370946
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
27
Azimuthal Gap
83.0°
Min Station Distance
0.067°
RMS Residual
0.16 sec
Last Updated
2026-06-12 19:22:19 UTC

Nearby Earthquakes (Last 7 Days)

2.5
11 km N of Redwood Valley, CA
2 hours ago · 7.3 km deep
3.4
27 km W of Petrolia, CA
7 hours ago · 1.8 km deep
2.8
10 km NNW of Redwood Valley, CA
12 hours ago · 5.3 km deep
2.7
12 km ESE of Willits, CA
17 hours ago · 7.4 km deep
2.8
9 km N of Redwood Valley, CA
17 hours ago · 7.9 km deep
2.6
12 km N of Redwood Valley, CA
19 hours ago · 8.6 km deep
2.7
10 km ESE of Willits, CA
19 hours ago · 4.7 km deep
2.5
11 km N of Redwood Valley, CA
20 hours ago · 1.8 km deep
5.6
11 km N of Redwood Valley, CA
20 hours ago · 8.8 km deep
2.6
80 km W of Petrolia, CA
23 hours ago · 0.6 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: nc75370946). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, June 4, 2026). M2.1 Earthquake 2 km WSW of Granite Bay, CA — June 4, 2026. Retrieved June 25, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75370946/