M1.5 Depth: 15.3 km

M1.5 Earthquake near Humboldt County, California (United States)

UTC time: 2026-05-31 20:24:41 UTC Local time:

About this earthquake

On May 31, 2026 at 20:24 UTC, a magnitude M1.5 earthquake occurred near Humboldt County, California (United States). The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 15.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.3 km
Shallow
15.3 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: 184 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 212 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 227 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 268 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 294 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Jackson Segment
    Distance: 323 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Sources: Smithsonian GVP & USGS

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

Share