Back to map
United States

M1.8 Earthquake near United States (United States)

UTC time: 2026-09-21 19:39:46 UTC Local time: —

Map

About this earthquake

A magnitude M1.8 earthquake was recorded near United States (United States) on September 21, 2026 at 19:39 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 192 earthquakes, the strongest at M3.0.

Details

ID
90a227b27fbfbce5a2730a125051e1184bf3540f
Magnitude
M1.8
Depth
8.6 km
UTC time
2026-09-21 19:39:46 UTC
Local time
—
Country
United States
City
United States
Source
usgs
Coordinates
40.31317, -124.43816
Temperature
12.8°C

Depth profile

Depth profile Depth: 8.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.6 km
Shallow
8.6 km
8.6 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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: 207 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 225 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 249 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 269 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 282 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 299 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

United States

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 11,724 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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.

Share