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M1.7 Depth: 7.5 km

M1.7 Earthquake near 11 km NW of Parkfield, CA (United States)

UTC time: 2025-09-28 22:51:50 UTC Local time: —

About this earthquake

On September 28, 2025 at 22:51 UTC, a magnitude M1.7 earthquake occurred near 11 km NW of Parkfield, CA (United States). The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 174 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.7
Depth
7.5 km
UTC time
2025-09-28 22:51:50 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
35.96583, -120.52184
Temperature
14.6°C

Map

Depth profile

Depth profile Depth: 7.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.5 km
Shallow
7.5 km
7.5 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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

  • Mammoth Mountain
    Distance: 228 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 244 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 262 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Ubehebe Craters
    Distance: 299 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Clear Lake Volcanic Field
    Distance: 388 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Soda Lakes
    Distance: 421 km ·Maar(s) ·Elevation: 1'251 m ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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