Earthquake · reviewed by a seismologist
M 1.6md
Earthquake near Orland, CA
No earthquake was likely felt in Orland in the 24 hours to 2:28 pm PST (22:28 UTC). The last one was M 4.0, 70 km (44 mi) WSW, at 5:01 am PDT on 28 October 2026, estimated intensity II (weak) in town; 14 felt reports to USGS. Every earthquake near Orland
This page: a magnitude 1.6 earthquake was recorded 29 km (18 mi) west-northwest of Orland, CA, at 3:14 am PST on 25 January 2019 (11:14 UTC), 17 km deep.
USGS: 24km NE of Alder Springs, CA
61 km (38 mi) W of Chico, CA
- When
- 3:14 am PST on 25 January 2019 ()
- Where
- 29 km (18 mi) west-northwest of Orland, CA · earthquakes near Orland
- Magnitude
- M 1.6 (md)
- Depth
- 17 km below the surface
- Felt
- no reports yet
- Nearest
- Glenn County, 25 km SSE
- Nearest mapped fault
- Great Valley thrust fault system, 24 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2841 days ago
Earthquake alerts for Orland, CA
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Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth it was probably too small to be felt, even directly above it. In Orland, 29 km away, the estimate is intensity I (not felt). 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.
Earthquakes near other towns within 30 km: Rancho Tehama Reserve.
How big was it?
This earthquake released about 6.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 2,300,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,600,000× the energy of this one
- Around the size people start to feel M 3.0 140× the energy of this one
- This earthquake M 1.6 about 6.6 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
No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.
Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:
- 5.5 33 km NW of Rancho Tehama Reserve, California · 46 km NNW 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 39.8068, -122.5262. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Glenn County, CA | 25 km (16 mi) | SSE | earthquakes near Glenn County |
| Tehama County, CA | 43 km (27 mi) | NE | earthquakes near Tehama County |
| Colusa County, CA | 74 km (46 mi) | SSE | earthquakes near Colusa County |
| Lake County, CA | 80 km (50 mi) | SSW | earthquakes near Lake County |
| Butte County, CA | 80 km (50 mi) | E | earthquakes near Butte County |
| Mendocino County, CA | 89 km (55 mi) | WSW | earthquakes near Mendocino County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
43 earthquakes have been recorded within 50 km since this one.
- 1.7 16km NW of Alder Springs, CA
- 1.9 6km SW of Hamilton City, CA
- 1.8 6km SW of Hamilton City, CA
- 2.5 5km NNE of Hamilton City, CA
- 1.8 36km NE of Covelo, CA
- 1.5 41km NE of Covelo, CA
- 2.9 15km N of Lake Pillsbury, CA
- 1.9 21km W of Rancho Tehama Reserve, CA
- 2.0 5km NNE of Hamilton City, CA
- 2.0 5km NNE of Hamilton City, CA
- 2.0 5km NNE of Hamilton City, CA
- 2.8 4km NE of Hamilton City, CA
- 1.8 4km NE of Hamilton City, CA
- 2.9 4km NE of Hamilton City, CA
- 1.9 19km NNW of Alder Springs, 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.