- Depth
- 10.2 km
- Source
- SCEDC
California · Altadena
Country overviewCalifornia · Altadena
Country overviewOn September 11, 2026 at 05:08 UTC, a magnitude M0.8 earthquake occurred near Altadena, California (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.
The event was recorded by SCEDC. United States: over the past 24 hours, QuakeMap24 logged 230 earthquakes, the strongest at M4.1.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Radius · 50 km
Source: OurAirports · Dataset date: 2026-09-11
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
California
11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 2,414 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