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M1.6 Depth: 15.2 km

M1.6 Earthquake near Orange County, California (United States)

UTC time: 2026-04-28 20:39:51 UTC Local time: —

About this earthquake

On April 28, 2026 at 20:39 UTC, a magnitude M1.6 earthquake occurred near Orange County, California (United States). The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 196 earthquakes, the strongest at M5.8.

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Depth profile

Depth profile Depth: 15.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.2 km
Shallow
15.2 km
15.2 km — close to the regional average (15.9 km)
Regional average: 15.9 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: 182 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 375 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 424 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 464 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 482 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·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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