United States · California

M1.2 Earthquake near Mammoth Lakes, California (United States)

UTC time: 2026-09-15 23:57:55 UTC Local time:

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About this earthquake

A magnitude M1.2 earthquake was recorded near Mammoth Lakes, California (United States) on September 15, 2026 at 23:57 UTC. With a focal depth of about 0 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 168 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
4163ae442eaa9383b71d2a3a1b809aad28a47f2e
Magnitude
M1.2
Depth
0.1 km
UTC time
2026-09-15 23:57:55 UTC
Local time
Country
State
County
Source
usgs
Coordinates
37.64050, -119.02917
Temperature
12.5°C

Depth profile

Depth profile Depth: 0.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.1 km
Shallow
0.1 km
0.1 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Distance: 1 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Distance: 18 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Distance: 40 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Distance: 156 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Distance: 210 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Distance: 358 km ·Volcanic field ·Elevation: 1'439 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Mammoth Yosemite AirportUnited States · MMH · KMMH
    16.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

California

Context for this earthquake

16 Sep 2025 – 16 Sep 2026 · M ≥ 2.0 · 2,410 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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

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

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