Back to map
United States · California

M2.7 Earthquake near Santa Rosa, California (United States)

UTC time: 2026-09-16 01:40:30 UTC Local time: —

Map

About this earthquake

A magnitude M2.7 earthquake was recorded near Santa Rosa, California (United States) on September 16, 2026 at 01:40 UTC. The hypocenter lay relatively close to the surface at around 9 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: over the past 24 hours, QuakeMap24 logged 171 earthquakes, the strongest at M4.8.

Details

ID
bb74f9a8448bd9d35132bb9356c9ac21512fe00d
Magnitude
M2.7
Depth
9.1 km
UTC time
2026-09-16 01:40:30 UTC
Local time
—
Country
United States
State
California
City
Santa Rosa
County
Sonoma County
Source
usgs
Coordinates
38.43317, -122.67184
Temperature
22.9°C

Depth profile

Depth profile Depth: 9.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.1 km
Shallow
9.1 km
9.1 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

  • Clear Lake Volcanic Field
    Distance: 60 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 250 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Mono Lake Volcanic Field
    Distance: 322 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 326 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 331 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Shasta
    Distance: 333 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Charles M. Schulz Sonoma County AirportUnited States · STS · KSTS
    14.9 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

Of 2,409 other entries for this area and period, 484 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

Open history map
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.

Share