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United States · California

M1.6 Earthquake near Yorba Linda, California (United States)

UTC time: 2026-08-21 18:37:50 UTC Local time: —

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About this earthquake

A magnitude M1.6 earthquake was recorded near Yorba Linda, California (United States) on August 21, 2026 at 18:37 UTC. With a focal depth of about 33 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 event was recorded by SCEDC. United States: 182 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
1d96bfee834edfd3594bb3be03abdeece03ef10b
Magnitude
M1.6
Depth
33.0 km
UTC time
2026-08-21 18:37:50 UTC
Local time
—
Country
United States
State
California
City
Yorba Linda
County
Orange County
Source
scedc
Coordinates
33.90767, -117.80700
Temperature
31.9°C

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 km
33 km — deeper 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: 218 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 348 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 429 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 447 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Pinacate
    Distance: 463 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mono Lake Volcanic Field
    Distance: 468 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Ontario International AirportUnited States · ONT · KONT
    25.2 kmStraight-line distance
  • John Wayne Orange County International AirportUnited States · SNA · KSNA
    26.5 kmStraight-line distance
  • Long Beach International AirportUnited States · LGB · KLGB
    33.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-15

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

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

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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
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