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M2.1 Depth: 31.1 km

M2.1 Earthquake near San Ramon, California (United States)

UTC time: 2026-02-02 22:00:29 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near San Ramon, California (United States) on February 2, 2026 at 22:00 UTC. The hypocenter lay relatively close to the surface at around 31 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 156 earthquakes, the strongest at M3.8.

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Depth profile

Depth profile Depth: 31.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 31.1 km
Shallow
31.1 km
31.1 km — deeper than 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

  • Clear Lake Volcanic Field
    Distance: 155 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono-Inyo Craters
    Distance: 256 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 256 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono Lake Volcanic Field
    Distance: 257 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Lassen Volcanic Center
    Distance: 308 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 332 km ·Maar(s) ·Elevation: 1'251 m ·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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