- Depth
- 4.3 km
- Source
- USGS
California · San Diego County
Country overviewCalifornia · San Diego County
Country overviewOn August 19, 2026 at 07:31 UTC, a magnitude M3.5 earthquake occurred near San Diego County, California (United States). 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 magnitude are often felt but rarely cause damage.
The data is provided by USGS and cross-checked across seismological networks. United States: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.
Data updated: Aug 20, 2026, 3:43 AM UTC · Last checked: Sep 19, 2026, 12:07 AM UTC
Source: EMSC / LastQuake
Radius · 50 km
Source: OurAirports · Dataset date: 2026-10-29
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
California
05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 239 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