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M1.8 Depth: 21.6 km

M1.8 Earthquake near 5 km WNW of Arcata, CA (United States)

UTC time: 2026-05-22 01:37:31 UTC Local time: —

About this earthquake

On May 22, 2026 at 01:37 UTC, a magnitude M1.8 earthquake occurred near 5 km WNW of Arcata, CA (United States). With a focal depth of about 22 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 125 earthquakes, the strongest at M2.9.

Details

Magnitude
M1.8
Depth
21.6 km
UTC time
2026-05-22 01:37:31 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
40.87750, -124.13600
Temperature
10.8°C

Map

Depth profile

Depth profile Depth: 21.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.6 km
Shallow
21.6 km
21.6 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

  • Shasta
    Distance: 173 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 226 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 231 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Clear Lake Volcanic Field
    Distance: 242 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Jackson Segment
    Distance: 281 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States
  • Escanaba Segment
    Distance: 283 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·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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