Live record · USGSReports quakes after they happen. Not an alert system.
QuakeWatch

Earthquake · Reviewed by USGS

M1.1 earthquake 2 km SE of Rancho Cucamonga, CA

A magnitude 1.1 earthquake struck 2 km SE of Rancho Cucamonga, CA at Oct 31, 2026, 22:04 UTC, at a depth of 11 km. The epicentre was 3 km (2 mi) E of Rancho Cucamonga.

Details

Magnitude1.1 ml
TimeOct 31, 2026, 22:04 UTC
Depth11.1 km
Coordinates34.108, -117.564
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
1.410 km ESE of Big Bear City, CA77 km / 48 midepth 1 km
1.64 km NE of Beaumont, CA60 km / 37 midepth 14 km
1.912 km NE of Cabazon, CA79 km / 49 midepth 15 km
2.07 km W of Calimesa, CA42 km / 26 midepth 14 km
1.15 km E of Calimesa, CA54 km / 33 midepth 13 km
1.111 km NE of Aguanga, CA100 km / 62 midepth 10 km
1.76 km ENE of San Jacinto, CA70 km / 43 midepth 13 km
1.215 km NW of Aguanga, CA83 km / 52 midepth 11 km
1.13 km N of Big Bear City, CA69 km / 43 midepth 8 km
1.17 km S of Lytle Creek, CA11 km / 7 midepth 9 km
1.82 km SE of Chatsworth, CA95 km / 59 midepth 17 km
1.02 km SE of Loma Linda, CA31 km / 19 midepth 4 km
1.15 km NNE of Banning, CA67 km / 42 midepth 17 km
1.82 km ENE of Gardena, CA71 km / 44 midepth 12 km
2.12 km SE of Loma Linda, CA31 km / 19 midepth 6 km
1.04 km NNE of Beaumont, CA58 km / 36 midepth 8 km
1.47 km SE of San Pedro, CA79 km / 49 midepth 7 km
1.22 km SE of Loma Linda, CA31 km / 19 midepth 5 km
1.04 km WNW of Glen Avon, CA10 km / 6 midepth 9 km
1.18 km N of Rancho Cucamonga, CA10 km / 6 midepth 4 km
1.02 km SE of Loma Linda, CA30 km / 19 midepth 4 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.