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M1.8 Depth: 10.2 km

M1.8 Earthquake near San Diego County, California (United States)

UTC time: 2026-06-28 22:16:46 UTC Local time: —

About this earthquake

On June 28, 2026 at 22:16 UTC, a magnitude M1.8 earthquake occurred near San Diego County, California (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Map

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 km — shallower 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

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  • San Luis, Isla
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  • Ubehebe Craters
    Distance: 427 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 438 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 469 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States

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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