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United States · California

M0.9 Earthquake near Chula Vista, California (United States)

UTC time: 2026-09-21 20:26:44 UTC Local time: —

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About this earthquake

A magnitude M0.9 earthquake was recorded near Chula Vista, California (United States) on September 21, 2026 at 20:26 UTC. With a focal depth of about 4 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 190 earthquakes, the strongest at M3.0.

Details

ID
718f5618bb7c9e027b6a607ab463c1b59cd7aca9
Magnitude
M0.9
Depth
4.2 km
UTC time
2026-09-21 20:26:44 UTC
Local time
—
Country
United States
State
California
City
Chula Vista
County
San Diego County
Source
usgs
Coordinates
32.60350, -116.97967
Temperature
24.1°C

Depth profile

Depth profile Depth: 4.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.2 km
Shallow
4.2 km
4.2 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

  • Salton Buttes
    Distance: 143 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 338 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 381 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Jaraguay Volcanic Field
    Distance: 434 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Ubehebe Craters
    Distance: 493 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • General Abelardo L. Rodriguez International AirportMexico · TIJ · MMTJ
    7.0 kmStraight-line distance
  • San Diego International AirportUnited States · SAN · KSAN
    24.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

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

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 2,416 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

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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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