Back to map
United States · California

M1.0 Earthquake near San Diego County, California (United States)

UTC time: 2026-08-20 01:28:32 UTC Local time: —
Magnitude
M1.0
Depth
15.6 km
Source
SCEDC

California · San Diego County

Country overview

Map

About this earthquake

A magnitude M1.0 earthquake was recorded near San Diego County, California (United States) on August 20, 2026 at 01:28 UTC. The hypocenter lay relatively close to the surface at around 16 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 SCEDC. United States: over the past 24 hours, QuakeMap24 logged 186 earthquakes, the strongest at M4.1.

Details

ID
bae0b51b04c698881e17596dbaf10777d6a2ee15
Magnitude
M1.0
Depth
15.6 km
UTC time
2026-08-20 01:28:32 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
scedc
Coordinates
32.86050, -116.32317
Temperature
33.9°C

Depth profile

Depth profile Depth: 15.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.6 km
Shallow
15.6 km
15.6 km — close to 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: 76 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 288 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 369 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Jaraguay Volcanic Field
    Distance: 429 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Ubehebe Craters
    Distance: 474 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 488 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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

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