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M3.9 Earthquake near OFFSHORE NORTHERN CALIFORNIA

UTC time: 2026-05-21 19:00:08 UTC Local time: —
Magnitude
M3.9
Depth
1.1 km
Source
EMSC

OFFSHORE NORTHERN CALIFORNIA

Map

About this earthquake

On May 21, 2026 at 19:00 UTC, a magnitude M3.9 earthquake occurred near OFFSHORE NORTHERN CALIFORNIA. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
fbe14b6a6ae1ba725deba202d5cd2508c25a66fe
Magnitude
M3.9
Depth
1.1 km
UTC time
2026-05-21 19:00:08 UTC
Local time
—
Country
—
Source
emsc
Coordinates
40.37180, -125.10470
Temperature
11.4°C

Depth profile

Depth profile Depth: 1.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.1 km
Shallow
1.1 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

  • Escanaba Segment
    Distance: 213 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Clear Lake Volcanic Field
    Distance: 253 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Jackson Segment
    Distance: 256 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States
  • Shasta
    Distance: 271 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • North Gorda Ridge Segment
    Distance: 291 km ·Fissure vent(s) ·Elevation: -3'000 m ·Last eruption: 1996 ·United States
  • Lassen Volcanic Center
    Distance: 305 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
512
Country (24h)
—
—
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