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M1.0 Depth: 7.9 km

M1.0 Earthquake near 2.1 km ( 1.3 mi) WNW (az= 284.2) from Norco, CA (United States)

UTC time: 2026-01-04 17:05:02 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near 2.1 km ( 1.3 mi) WNW (az= 284.2) from Norco, CA (United States) on January 4, 2026 at 17:05 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by SCEDC and cross-checked across seismological networks. United States: 132 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

Magnitude
M1.0
Depth
7.9 km
UTC time
2026-01-04 17:05:02 UTC
Local time
—
Country
United States
City
California
Source
scedc
Coordinates
33.93583, -117.57117
Temperature
14.8°C

Map

Depth profile

Depth profile Depth: 7.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.9 km
Shallow
7.9 km
7.9 km — shallower than the regional average (15.9 km)
Regional average: 15.9 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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Historic earthquake map · United States

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Country statistics · United States

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View earthquake KPIs, strongest and latest events, and averages for this country.

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