Right now
The most recent data we hold from USGS arrived 47 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by USGS today.
It is the 3rd strongest of the 17 detections recorded within 20 km of this point since 25 March 2026. The last comparable one was on 28 August 2026.
What the source measured
USGS reported: 6 km E of Willits, CA
USGS recorded magnitude 2.5 at a depth of 5 km.
Nearby, since 25 March 2026
- June 24, 2026 · score 0 · 6.4 km
- July 23, 2026 · score 0 · 6.5 km
- June 24, 2026 · score 0 · 7.5 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 0 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 0 / 100 |
| Our confidence | 61% |
| Coordinates | 39.4177, -123.2885 |
| Nearest City | Ukiah (31 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-13T13:55:36.130Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/nc75434862 |
Score Breakdown
Technical Details
| Mag | 2.53 |
| Depth | 5.22 |
| Tsunami | false |
| Felt | 16 |
| Sig | 104 |
| Usgs Dyfi Mag | 2.53 |
| Usgs Dyfi Depth | 5.22 |
| Usgs Dyfi Felt | 16 |
| Usgs Dyfi Cdi | 3.4 |
| Usgs Dyfi CdiDescription | Weak |
| Usgs Dyfi Sig | 104 |
| Usgs Dyfi Tsunami | false |
| Usgs Dyfi Place | 6 km E of Willits, CA |
| Usgs Dyfi Types | ,dyfi,focal-mechanism,nearby-cities,origin,phase-data,scitech-link, |
| MergedSources | [{"id":"usgs_dyfi_nc75434862","source":"usgs_dyfi","severity":"low","severityValue":15.18,"timestamp":1789307736130,"latitude":39.417667388916,"longitude":-123.288497924805}] |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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