Back to map
M0.4 Depth: 6.4 km

M0.4 Earthquake near 6 km WSW of Anza, CA (United States)

UTC time: 2025-12-28 19:20:51 UTC Local time: —

About this earthquake

A magnitude M0.4 earthquake was recorded near 6 km WSW of Anza, CA (United States) on December 28, 2025 at 19:20 UTC. The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 181 earthquakes, the strongest at M4.3.

Details

Magnitude
M0.4
Depth
6.4 km
UTC time
2025-12-28 19:20:51 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
33.52650, -116.73017
Temperature
9.9°C

Map

Depth profile

Depth profile Depth: 6.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.4 km
Shallow
6.4 km
6.4 km — shallower than the regional average (15.7 km)
Regional average: 15.7 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: 110 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 355 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 394 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 452 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 456 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·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.

Share