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United States · California

M1.4 Earthquake near Altadena, California (United States)

UTC time: 2026-09-11 05:08:02 UTC Local time: —

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About this earthquake

On September 11, 2026 at 05:08 UTC, a magnitude M1.4 earthquake occurred near Altadena, California (United States). The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 230 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
45c5b6a98a7276d15433889f2a3a7ff6023d211f
Magnitude
M1.4
Depth
10.8 km
UTC time
2026-09-11 05:08:02 UTC
Local time
—
Country
United States
State
California
City
Altadena
County
Los Angeles County
Source
usgs
Coordinates
34.24583, -118.14100
Temperature
25.1°C

Depth profile

Depth profile Depth: 10.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.8 km
Shallow
10.8 km
10.8 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

  • Salton Buttes
    Distance: 261 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 315 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 385 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 404 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 425 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

  • Hollywood Burbank/Bob Hope AirportUnited States · BUR · KBUR
    20.5 kmStraight-line distance
  • Jack Northrop Field Hawthorne Municipal AirportUnited States · HHR · KHHR
    40.1 kmStraight-line distance
  • Los Angeles International AirportUnited States · LAX · KLAX
    41.7 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 · 2,414 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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