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United States

M0.9 Earthquake near 6 km SSW of Redlands, CA (United States)

UTC time: 2025-04-23 09:19:57 UTC Local time: —

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About this earthquake

On April 23, 2025 at 09:19 UTC, a magnitude M0.9 earthquake occurred near 6 km SSW of Redlands, CA (United States). With a focal depth of about 15 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 146 earthquakes, the strongest at M4.0.

Details

ID
dc0cb91286daaa24727d0cbdd7515f25ad82c046
Magnitude
M0.9
Depth
15.1 km
UTC time
2025-04-23 09:19:57 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
34.00867, -117.21250
Temperature
21.0°C

Depth profile

Depth profile Depth: 15.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.1 km
Shallow
15.1 km
15.1 km — close to the regional average (15.3 km)
Regional average: 15.3 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: 173 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: 421 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 435 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 453 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Uinkaret Field
    Distance: 455 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • San Bernardino International AirportUnited States · SBD · KSBD
    10.0 kmStraight-line distance
  • Ontario International AirportUnited States · ONT · KONT
    36.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 11,559 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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