4.6

1 km SE of Boulder Creek, CA

2026-04-02 08:41:25 UTC (2 days ago)

green Alert— PAGER estimated impact level

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Earthquake Details

Magnitude
4.6 mw
Depth
10.4 km
Shallow
Location
37.1157°N
-122.1125°E
Felt Reports
32,973
DYFI responses
Intensity (MMI)
5.7
Strong
Community Intensity
5.8
CDI from reports

Technical Information

Event ID
nc75337442
Event Type
earthquake
Status
✓ Reviewed
Significance
904
Stations Used
173
Azimuthal Gap
67.0°
Min Station Distance
0.034°
RMS Residual
0.19 sec
Last Updated
2026-04-04 21:02:19 UTC

Nearby Earthquakes (Last 7 Days)

2.7
13 km E of Cambria, CA
7 hours ago · 4.3 km deep
2.9
10 km NNE of Petrolia, CA
1 days ago · 28.2 km deep
2.7
6 km SW of Gilroy, CA
1 days ago · 5.1 km deep
3.0
19 km NE of Upper Lake, CA
1 days ago · 7.1 km deep
2.5
7 km SE of Carpinteria, CA
1 days ago · 3.9 km deep
2.5
8 km NNE of Bay Point, CA
2 days ago · 20.4 km deep
2.9
34 km SSE of Somes Bar, CA
2 days ago · 31.3 km deep
2.5
3 km W of Cobb, CA
2 days ago · 2.2 km deep
2.9
5 km SW of Laytonville, CA
4 days ago · 4.7 km deep
2.7
54 km W of Petrolia, CA
4 days ago · -0.3 km deep

Actions

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Understanding This Data

Magnitude 4.6 earthquakes are often felt but rarely cause damage.

Shallow depth (10.4 km): Shallow earthquakes often cause more damage at the surface.

Learn more about magnitude →

Be Prepared

Earthquakes can happen without warning. Make sure you know what to do.

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