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United States · California

M1.6 Earthquake near Westmont, California (United States)

UTC time: 2026-09-11 15:06:56 UTC Local time: —

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About this earthquake

On September 11, 2026 at 15:06 UTC, a magnitude M1.6 earthquake occurred near Westmont, California (United States). The hypocenter lay relatively close to the surface at around 18 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: 236 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Details

ID
03295652d833bbfd7dda51e4c2b011b899a65d4e
Magnitude
M1.6
Depth
17.7 km
UTC time
2026-09-11 15:06:56 UTC
Local time
—
Country
United States
State
California
City
Westmont
County
Los Angeles County
Source
usgs
Coordinates
33.94117, -118.30617
Temperature
24.9°C

Depth profile

Depth profile Depth: 17.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.7 km
Shallow
17.7 km
17.7 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: 263 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 351 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 415 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 434 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 456 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Jack Northrop Field Hawthorne Municipal AirportUnited States · HHR · KHHR
    3.4 kmStraight-line distance
  • Los Angeles International AirportUnited States · LAX · KLAX
    9.4 kmStraight-line distance
  • Long Beach International AirportUnited States · LGB · KLGB
    20.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-11

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

11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 2,418 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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