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M1.4 Depth: 19.5 km

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

UTC time: 2026-08-19 05:02:33 UTC Local time: —

About this earthquake

A magnitude M1.4 earthquake was recorded near Altadena, California (United States) on August 19, 2026 at 05:02 UTC. The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by SCEDC. United States: 231 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Map

Depth profile

Depth profile Depth: 19.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.5 km
Shallow
19.5 km
19.5 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 256 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 314 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 386 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 405 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 426 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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