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M2.1 Earthquake near 16 km WSW of Johannesburg, CA (United States)

UTC time: 2025-04-27 18:48:33 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near 16 km WSW of Johannesburg, CA (United States) on April 27, 2025 at 18:48 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 168 earthquakes, the strongest at M3.9.

Details

ID
9aa801cec773be25ffc51ea2aa252a4a13ab7aa3
Magnitude
M2.1
Depth
6.5 km
UTC time
2025-04-27 18:48:33 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
35.33383, -117.80617
Temperature
11.2°C

Depth profile

Depth profile Depth: 6.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.5 km
Shallow
6.5 km
6.5 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: 190 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 278 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 296 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Salton Buttes
    Distance: 311 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Mono Lake Volcanic Field
    Distance: 316 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Uinkaret Field
    Distance: 437 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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