M2.1 Depth: 8.9 km

M2.1 Earthquake near OFFSHORE NORTHERN CALIFORNIA (United States)

UTC time: 2025-09-05 02:44:22 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near OFFSHORE NORTHERN CALIFORNIA (United States) on September 5, 2025 at 02:44 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 230 earthquakes, the strongest at M3.5.

Details

Magnitude

M2.1

Depth

8.9 km

UTC time

2025-09-05 02:44:22 UTC

Local time

—

Country

United States

Source

emsc

Coordinates

40.30920, -124.45420

Temperature

14.0°C

Map

Depth profile

Shallow

8.9 km

8.9 km — shallower than the regional average (15.4 km)

Regional average: 15.4 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

Volcanoes nearby

Clear Lake Volcanic Field

Distance: 207 km ·Volcanic field ·Elevation: 1'439 m ·United States
Shasta

Distance: 226 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
Lassen Volcanic Center

Distance: 250 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
Escanaba Segment

Distance: 268 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
Medicine Lake

Distance: 283 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
Jackson Segment

Distance: 298 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Historic earthquake map · United States

Open history map

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview

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

Stats (last 24h)

Global (24h)

1043

Country (24h)