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M1.3 Earthquake near 19 km W of Johannesburg, CA (United States)

UTC time: 2025-04-28 17:51:02 UTC Local time: —

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About this earthquake

On April 28, 2025 at 17:51 UTC, a magnitude M1.3 earthquake occurred near 19 km W of Johannesburg, CA (United States). The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.9.

Details

ID
50a249c738a4f3291696502290c67bc5a34e96bf
Magnitude
M1.3
Depth
8.7 km
UTC time
2025-04-28 17:51:02 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
35.35500, -117.84000
Temperature
17.7°C

Depth profile

Depth profile Depth: 8.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.7 km
Shallow
8.7 km
8.7 km — shallower than the regional average (15.3 km)
Regional average: 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

  • Ubehebe Craters
    Distance: 188 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 275 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 292 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 313 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 315 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Uinkaret Field
    Distance: 439 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·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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