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United States · California

M1.1 Earthquake near San Jacinto, California (United States)

UTC time: 2026-08-23 21:04:14 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near San Jacinto, California (United States) on August 23, 2026 at 21:04 UTC. The hypocenter lay relatively close to the surface at around 17 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 USGS and cross-checked across seismological networks. United States: 151 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

ID
c0fec2c1f41b45e6bb93c184f542c6b949c437d8
Magnitude
M1.1
Depth
17.3 km
UTC time
2026-08-23 21:04:14 UTC
Local time
—
Country
United States
State
California
City
San Jacinto
County
Riverside County
Source
usgs
Coordinates
33.79317, -116.99017
Temperature
36.2°C

Depth profile

Depth profile Depth: 17.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.3 km
Shallow
17.3 km
17.3 km — close to 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

  • Salton Buttes
    Distance: 144 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 361 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 391 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 454 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 465 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 482 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • San Bernardino International AirportUnited States · SBD · KSBD
    40.7 kmStraight-line distance
  • Palm Springs International AirportUnited States · PSP · KPSP
    44.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-14

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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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