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United States · California

M0.5 Earthquake near Caldwell Pines, California (United States)

UTC time: 2026-08-23 09:19:38 UTC Local time: —

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About this earthquake

On August 23, 2026 at 09:19 UTC, a magnitude M0.5 earthquake occurred near Caldwell Pines, California (United States). With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 186 earthquakes, the strongest at M3.9.

Details

ID
bd20d203a6a60cf10a7b7a0a5508e7f8688a3f5a
Magnitude
M0.5
Depth
2.1 km
UTC time
2026-08-23 09:19:38 UTC
Local time
—
Country
United States
State
California
City
Caldwell Pines
County
Lake County
Source
usgs
Coordinates
38.83850, -122.81100
Temperature
18.4°C

Depth profile

Depth profile Depth: 2.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.1 km
Shallow
2.1 km
2.1 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

Volcanoes nearby

  • Clear Lake Volcanic Field
    Distance: 15 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 215 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 291 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 326 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 342 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Soda Lakes
    Distance: 347 km ·Maar(s) ·Elevation: 1'251 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Charles M. Schulz Sonoma County AirportUnited States · STS · KSTS
    36.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-14

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

14 Sep 2025 – 14 Sep 2026 · M ≥ 2.0 · 2,415 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

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.

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