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United States · California

M4.1 Earthquake near Oakland, California (United States)

UTC time: 2026-08-13 15:30:04 UTC Local time: —

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About this earthquake

On August 13, 2026 at 15:30 UTC, a magnitude M4.1 earthquake occurred near Oakland, California (United States). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. United States: 202 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
ee8b3c5c24e7b2c64e1e3650ef69780f2c1fa3ba
Magnitude
M4.1
Depth
5.2 km
UTC time
2026-08-13 15:30:04 UTC
Local time
—
Country
United States
State
California
City
Oakland
County
Alameda County
Source
usgs
Coordinates
37.75917, -122.15117
Temperature
16.9°C

Depth profile

Depth profile Depth: 5.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.2 km
Shallow
5.2 km
5.2 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

Felt reports

237felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Aug 17, 2026, 5:03 PM UTC · Last checked: Sep 13, 2026, 12:07 AM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Clear Lake Volcanic Field
    Distance: 145 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono-Inyo Craters
    Distance: 274 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 275 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono Lake Volcanic Field
    Distance: 275 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Lassen Volcanic Center
    Distance: 309 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 345 km ·Maar(s) ·Elevation: 1'251 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Oakland San Francisco Bay AirportUnited States · OAK · KOAK
    7.5 kmStraight-line distance
  • San Francisco International AirportUnited States · SFO · KSFO
    25.0 kmStraight-line distance
  • Buchanan FieldUnited States · CCR · KCCR
    26.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-01

Nuclear power plants

  • Vallecitos nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    32.2 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 239 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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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.

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