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M1.5 Depth: 29.9 km

M1.5 Earthquake near Altadena, California (United States)

UTC time: 2026-02-22 22:50:11 UTC Local time: —

About this earthquake

On February 22, 2026 at 22:50 UTC, a magnitude M1.5 earthquake occurred near Altadena, California (United States). The hypocenter lay relatively close to the surface at around 30 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 SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 188 earthquakes, the strongest at M5.8.

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Depth profile

Depth profile Depth: 29.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29.9 km
Shallow
29.9 km
29.9 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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: 259 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 319 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 389 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 408 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 430 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

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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