Earthquake · automatic estimate, may change
M 1.6md
Earthquake near Shingletown, CA
No earthquake was likely felt in Shingletown in the 24 hours to 1:28 am PST (09:28 UTC). The last one was M 5.6, 170 km (106 mi) SW, at 8:10 am PDT on 24 June 2026, estimated intensity III (weak) in town; 5,311 felt reports to USGS. Every earthquake near Shingletown
This page: a magnitude 1.6 earthquake was recorded 13 km (8 mi) north-northeast of Shingletown, CA, at 4:32 am PDT on 18 October 2025 (11:32 UTC), 2.3 km deep. The magnitude and location are an automatic first estimate and may change.
USGS: 13 km NNE of Shingletown, CA
94 km (58 mi) N of Chico, CA · 45 km (28 mi) E of Redding, CA
- When
- 4:32 am PDT on 18 October 2025 ()
- Where
- 13 km (8 mi) north-northeast of Shingletown, CA · earthquakes near Shingletown
- Magnitude
- M 1.6 (md)
- Depth
- 2.3 km below the surface
- Felt
- no reports yet
- Nearest
- Shasta County, 25 km NW
- Status
- Automatic — a machine’s first estimate, which may change
USGS · last changed by USGS · we first saw it 390 days ago
Earthquake alerts for Shingletown, CA
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This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 10 km (6 mi) from the epicentre. In Shingletown, 13 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
How big was it?
This earthquake released about 6.4 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 2,400,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,700,000× the energy of this one
- Around the size people start to feel M 3.0 150× the energy of this one
- This earthquake M 1.6 about 6.4 lb of TNT
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km since 2016 was M 5.0 on 2023-09-08 — about 140,000 times the energy of this one.
Before 2016, the USGS record lists 2 earthquakes of M5 or more within 50 km:
- 5.5 15 km NE of Mineral, California · 35 km ESE of this epicentre
- 5.1 7km NW of Redding, CA · 49 km W of this epicentre
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 40.6033, -121.8348. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Shasta County, CA | 25 km (15 mi) | NW | earthquakes near Shasta County |
| Tehama County, CA | 63 km (39 mi) | SSW | earthquakes near Tehama County |
| Lassen County, CA | 103 km (64 mi) | E | earthquakes near Lassen County |
| Butte County, CA | 106 km (66 mi) | S | earthquakes near Butte County |
| Trinity County, CA | 108 km (67 mi) | W | earthquakes near Trinity County |
| Plumas County, CA | 109 km (68 mi) | SE | earthquakes near Plumas County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
54 earthquakes have been recorded within 50 km since this one.
- 2.3 26 km NE of Viola, CA
- 2.2 27 km NE of Viola, CA
- 1.9 2 km NNE of Palo Cedro, CA
- 2.1 1 km ESE of Palo Cedro, CA
- 1.9 2 km ENE of Palo Cedro, CA
- 2.5 26 km NE of Viola, CA
- 3.4 26 km NE of Viola, CA
- 1.9 1 km ENE of Palo Cedro, CA
- 1.9 3 km S of Palo Cedro, CA
- 1.6 10 km NNE of Mineral, CA
- 1.9 10 km SW of Manton, CA
- 1.6 13 km NE of Mineral, CA
- 1.6 3 km NE of Mineral, CA
- 1.8 14 km NNW of Viola, CA
- 2.0 4 km NNW of Millville, CA
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.