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M1.9 Depth: 4.1 km

M1.9 Earthquake near 4 km NW of Sylmar, CA (United States)

UTC time: 2025-12-30 23:09:33 UTC Local time: —

About this earthquake

On December 30, 2025 at 23:09 UTC, a magnitude M1.9 earthquake occurred near 4 km NW of Sylmar, CA (United States). The hypocenter lay relatively close to the surface at around 4 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 188 earthquakes, the strongest at M4.3.

Details

Magnitude
M1.9
Depth
4.1 km
UTC time
2025-12-30 23:09:33 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
34.33633, -118.47600
Temperature
12.3°C

Map

Depth profile

Depth profile Depth: 4.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.1 km
Shallow
4.1 km
4.1 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: 293 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 312 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 370 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 389 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 410 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

Historic earthquake map · United States

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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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