Earthquake · reviewed by a seismologist
M 1.6ml
Earthquake near Los Angeles, CA
No earthquake was likely felt in Los Angeles in the 24 hours to 4:22 am PST (12:22 UTC). The last one was M 3.2, 30 km (19 mi) S, at 12:44 am PDT on 9 October 2026, estimated intensity II (weak) in town; 1,090 felt reports to USGS. Every earthquake near Los Angeles
This page: a magnitude 1.6 earthquake was recorded 33 km (21 mi) north-northwest of Los Angeles, CA, at 9:24 am PST on 10 November 2021 (17:24 UTC), 10 km deep. 1 person has reported feeling it to USGS.
USGS: 1km SE of Sylmar, CA
14 km (9 mi) SSE of Santa Clarita, CA · 32 km (20 mi) N of Los Angeles, CA
- When
- 9:24 am PST on 10 November 2021 ()
- Where
- 33 km (21 mi) north-northwest of Los Angeles, CA · earthquakes near Los Angeles
- Magnitude
- M 1.6 (ml)
- Depth
- 10 km below the surface
- Felt
- 1 report · strongest reported intensity I
- Nearest
- Los Angeles County, 20 km SE
- Nearest mapped fault
- Northridge blind thrust, 3 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 1828 days ago
Earthquake alerts for Los Angeles, 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, people at rest would likely notice it out to about 5 km (3 mi) from the epicentre. In Los Angeles, 33 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: Santa Clarita, Stevenson Ranch, Burbank, La Crescenta-Montrose, Valencia, Agua Dulce.
How big was it?
This earthquake released about 7.8 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 1,900,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
- Around the size people start to feel M 3.0 120× the energy of this one
- This earthquake M 1.6 about 7.8 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 4.5 on 2020-09-19 — about 25,000 times the energy of this one.
Before 2016, the USGS record lists 22 earthquakes of M5 or more within 50 km; the five largest:
- 6.7 Northridge, California, earthquake · 13 km SW of this epicentre
- 6.6 1971 San Fernando Earthquake, California · 14 km NNE of this epicentre
- 5.9 The 1987 Whittier Narrows, California Earthquake · 43 km SE of this epicentre
- 5.9 1km ENE of Granada Hills, California · 6 km SW of this epicentre
- 5.8 10km SSW of Agua Dulce, CA · 14 km NNE 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 34.3030, -118.4428. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Los Angeles County, CA | 20 km (13 mi) | SE | earthquakes near Los Angeles County |
| Ventura County, CA | 64 km (40 mi) | W | earthquakes near Ventura County |
| Orange County, CA | 93 km (58 mi) | SE | earthquakes near Orange County |
| Kern County, CA | 119 km (74 mi) | NNW | earthquakes near Kern County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
48 earthquakes have been recorded within 50 km since this one.
- 1.9 3km E of Pacoima, CA
- 2.2 7km NNE of Malibu, CA
- 1.6 1km NNE of Hollywood, CA
- 1.5 0km SSE of Hollywood, CA
- 2.1 0km WSW of View Park-Windsor Hills, CA
- 1.7 4km SE of Las Flores, CA
- 2.3 3km ENE of Marina del Rey, CA
- 1.5 13km WSW of Lake Hughes, CA
- 1.9 13km NNE of Piru, CA
- 1.8 4km N of Topanga, CA
- 2.6 1km ENE of San Fernando, CA
- 1.7 12km NNW of Piru, CA
- 1.9 17km N of Piru, CA
- 2.2 11km NNE of Lake View Terrace, CA
- 1.6 15km N of Piru, 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.