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M1.8 Depth: 0.5 km

M1.8 Earthquake near 3 km ESE of San Ramon, CA

UTC time: 2026-03-16 09:41:15 UTC Local time: —

About this earthquake

On March 16, 2026 at 09:41 UTC, a magnitude M1.8 earthquake occurred near 3 km ESE of San Ramon, CA. With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS.

Details

Magnitude
M1.8
Depth
0.5 km
UTC time
2026-03-16 09:41:15 UTC
Local time
—
Country
—
Source
usgs
Coordinates
37.77300, -121.95084
Temperature
17.8°C

Map

Depth profile

Depth profile Depth: 0.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.5 km
Shallow
0.5 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: 151 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono-Inyo Craters
    Distance: 257 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 257 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono Lake Volcanic Field
    Distance: 258 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Lassen Volcanic Center
    Distance: 305 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 330 km ·Maar(s) ·Elevation: 1'251 m ·United States

Stats (last 24h)

Global (24h)
549
Country (24h)
—
—
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