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United States · California

M1.2 Earthquake near Redlands, California (United States)

UTC time: 2026-09-24 17:30:59 UTC Local time: —

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About this earthquake

A magnitude M1.2 earthquake was recorded near Redlands, California (United States) on September 24, 2026 at 17:30 UTC. The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 222 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
a0f55e66b843a6fc73ddfffc7673fba9e9adc5ef
Magnitude
M1.2
Depth
15.0 km
UTC time
2026-09-24 17:30:59 UTC
Local time
—
Country
United States
State
California
City
Redlands
County
San Bernardino County
Source
usgs
Coordinates
34.00700, -117.18716
Temperature
28.8°C

Depth profile

Depth profile Depth: 15 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15 km
Shallow
15 km
15 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: 171 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 336 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 419 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 436 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Uinkaret Field
    Distance: 453 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mono-Inyo Craters
    Distance: 454 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
    11.0 kmStraight-line distance
  • Ontario International AirportUnited States · ONT · KONT
    38.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-24

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

24 Sep 2025 – 24 Sep 2026 · M ≥ 2.0 · 2,424 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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