Earthquake · Reviewed by USGS

M1.7 earthquake 5 km SE of Ontario, CA

A magnitude 1.7 earthquake struck 5 km SE of Ontario, CA at Oct 9, 2026, 21:48 UTC, at a depth of 5 km. The epicentre was 7 km (4 mi) NNW of Eastvale.

Details

Magnitude	1.7 ml
Time	Oct 9, 2026, 21:48 UTC
Depth	5.3 km
Coordinates	34.019, -117.587
Felt reports	0
Tsunami flag	None
Source	USGS 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
Magnitude	Location	Distance	Depth	Time
1.4	12 km W of Anza, CA	88 km / 55 mi	depth 7 km	Oct 26, 11:01 UTC
1.3	1 km WNW of Anaheim, CA	35 km / 22 mi	depth 8 km	Oct 26, 04:46 UTC
1.2	13 km ENE of Temecula, CA	76 km / 47 mi	depth 3 km	Oct 26, 04:44 UTC
1.2	14 km ENE of Temecula, CA	76 km / 48 mi	depth 3 km	Oct 26, 04:31 UTC
1.2	8 km SE of Valle Vista, CA	78 km / 49 mi	depth 17 km	Oct 26, 02:26 UTC
1.6	2 km NW of Sylmar, CA	88 km / 54 mi	depth 4 km	Oct 26, 01:40 UTC
1.0	9 km WNW of Anza, CA	90 km / 56 mi	depth 12 km	Oct 26, 01:39 UTC
1.6	5 km SW of Anza, CA	97 km / 60 mi	depth 5 km	Oct 25, 19:52 UTC
1.4	6 km NW of Mira Loma, CA	3 km / 2 mi	depth 8 km	Oct 25, 16:16 UTC
1.0	5 km SW of Anza, CA	97 km / 60 mi	depth 6 km	Oct 25, 14:04 UTC
1.4	5 km SW of Anza, CA	97 km / 60 mi	depth 5 km	Oct 25, 13:54 UTC
1.2	2 km N of Stanton, CA	44 km / 27 mi	depth 12 km	Oct 25, 02:00 UTC
1.6	5 km WNW of Yucaipa, CA	46 km / 28 mi	depth 13 km	Oct 25, 01:46 UTC
1.1	6 km NNE of San Bernardino, CA	34 km / 21 mi	depth 3 km	Oct 24, 21:06 UTC
1.0	5 km N of Cabazon, CA	73 km / 46 mi	depth 13 km	Oct 24, 20:21 UTC
1.5	5 km NW of Newport Beach, CA	54 km / 33 mi	depth 13 km	Oct 24, 12:37 UTC
1.1	2 km ESE of San Jacinto, CA	66 km / 41 mi	depth 6 km	Oct 24, 09:23 UTC
2.1	5 km SW of Anza, CA	97 km / 60 mi	depth 6 km	Oct 24, 09:07 UTC
1.2	5 km SW of Anza, CA	97 km / 60 mi	depth 5 km	Oct 23, 23:25 UTC
1.1	6 km NE of Anza, CA	100 km / 62 mi	depth 13 km	Oct 23, 19:05 UTC
1.3	4 km SE of Home Gardens, CA	21 km / 13 mi	depth -1 km	Oct 23, 18:35 UTC
1.0	4 km SW of Anza, CA	97 km / 61 mi	depth 5 km	Oct 23, 10:17 UTC
1.3	2 km W of Fontana, CA	13 km / 8 mi	depth 7 km	Oct 23, 09:38 UTC
1.6	2 km W of Fontana, CA	13 km / 8 mi	depth 7 km	Oct 23, 09:37 UTC
2.0	2 km W of Fontana, CA	13 km / 8 mi	depth 7 km	Oct 23, 09:35 UTC

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