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M1.6 Depth: 10.8 km

M1.6 Earthquake near 7 km WSW of Holtville, CA (United States)

UTC time: 2025-09-16 02:31:19 UTC Local time: —

About this earthquake

On September 16, 2025 at 02:31 UTC, a magnitude M1.6 earthquake occurred near 7 km WSW of Holtville, CA (United States). The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 163 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.6
Depth
10.8 km
UTC time
2025-09-16 02:31:19 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
32.79717, -115.44883
Temperature
30.0°C

Map

Depth profile

Depth profile Depth: 10.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.8 km
Shallow
10.8 km
10.8 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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

  • Salton Buttes
    Distance: 47 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 211 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 329 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Jaraguay Volcanic Field
    Distance: 396 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • San Francisco Volcanic Field
    Distance: 448 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States
  • Uinkaret Field
    Distance: 451 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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