Date and time	Mag Depth	Nearest volcano (distance)	Location	Details	Map
Tuesday, February 7, 2023 GMT (14 quakes)
Feb 7, 2023 7:38 am (GMT -8) (Feb 7, 2023 15:38 GMT)	1.1 12 km		18km SE of Julian, CA	More
Feb 7, 2023 6:46 am (GMT -8) (Feb 7, 2023 14:46 GMT)	0.9 1.5 km		5km WNW of Borrego Springs, CA	More
Feb 7, 2023 5:27 am (GMT -8) (Feb 7, 2023 13:27 GMT)	0.8 13 km		18km SE of Julian, CA	More
Feb 7, 2023 5:18 am (GMT -8) (Feb 7, 2023 13:18 GMT)	2.8 4.5 km		North Pacific Ocean, 39 mi southwest of Torrance, Los Angeles County, California, USA I FELT IT	More
Feb 7, 2023 5:08 am (GMT -8) (Feb 7, 2023 13:08 GMT)	1.0 4.5 km		4km WNW of Borrego Springs, CA	More
Feb 7, 2023 4:01 am (GMT -8) (Feb 7, 2023 12:01 GMT)	1.2 5.2 km		25km NE of Pine Valley, CA	More
Feb 7, 2023 3:34 am (GMT -8) (Feb 7, 2023 11:34 GMT)	? n/a		31 mi south of Apple Valley, San Bernardino County, California, USA (unconfirmed) I FELT IT - 1 report	More
Feb 7, 2023 3:15 am (GMT -8) (Feb 7, 2023 11:15 GMT)	? n/a		14 km north of Tijuana, Baja California, Mexico (unconfirmed) I FELT IT - 1 report	More
Feb 7, 2023 1:08 am (GMT -8) (Feb 7, 2023 09:08 GMT)	0.8 4.6 km		13km SSE of Anza, CA	More
Feb 7, 2023 12:13 am (GMT -8) (Feb 7, 2023 08:13 GMT)	1.3 0.3 km		5km SSE of Crestline, CA 1 report	More
Feb 6, 2023 11:16 pm (GMT -8) (Feb 7, 2023 07:16 GMT)	0.8 13 km		10km S of Idyllwild, CA	More
Feb 6, 2023 9:36 pm (GMT -8) (Feb 7, 2023 05:36 GMT)	0.8 8.6 km		14km SE of Anza, CA	More
Feb 6, 2023 9:15 pm (GMT -8) (Feb 7, 2023 05:15 GMT)	1.2 8.9 km		2km E of Chino Hills, CA	More
Feb 6, 2023 5:22 pm (GMT -8) (Feb 7, 2023 01:22 GMT)	1.3 7.1 km		11km WSW of Ocotillo, CA	More
Monday, February 6, 2023 GMT (8 quakes)
Feb 6, 2023 3:26 pm (GMT -8) (Feb 6, 2023 23:26 GMT)	? n/a		23 mi north of Palmdale, Los Angeles County, California, USA (unconfirmed) I FELT IT - 3 reports	More
Feb 6, 2023 1:48 pm (GMT -8) (Feb 6, 2023 21:48 GMT)	1.0 1.8 km		15km ENE of San Clemente, CA	More
Feb 6, 2023 12:25 pm (GMT -8) (Feb 6, 2023 20:25 GMT)	? n/a		2.6 mi north of Poway, San Diego County, California, USA (unconfirmed) I FELT IT - 8 reports	More
Feb 6, 2023 12:10 pm (GMT -8) (Feb 6, 2023 20:10 GMT)	0.9 3.8 km		3km NW of Borrego Springs, CA	More
Feb 6, 2023 11:34 am (GMT -8) (Feb 6, 2023 19:34 GMT)	1.4 13 km		18km ESE of Anza, CA	More
Feb 6, 2023 10:22 am (GMT -8) (Feb 6, 2023 18:22 GMT)	0.8 14 km		18km ESE of Anza, CA	More
Feb 6, 2023 9:27 am (GMT -8) (Feb 6, 2023 17:27 GMT)	1.3 14 km		5km SW of Redlands, CA	More

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Latest seismic signals

Seismic station: Mt. Baldy Ranger Station (BFS/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

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Seismic station: Art Center College of Design (GSN-affiliate) (PASC/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: Rancho Palos Verdes (RPV/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: Barstow Service Center (RRX/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: San Clemente Island 2 (SCI2/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: Barrett (BAR/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: Big Chuckawalla Mtns (BC3/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Seismic station: Vestal (VES/CI network) | Show on map | Station Info

Seismogram (vertical component) last 60 minutes. Source: IRIS query builder webtool

Earthquake Catalog - Look up past earthquakes

Ontario Earthquake FAQ

When was the latest earthquake in Ontario?

The last earthquake in Ontario occurred 49 minutes ago: Minor mag. 1.1 earthquake - 18km SE of Julian, CA, on Tuesday, Feb 7, 2023 at 7:38 am (GMT -8).

How many quakes were there in Ontario today?

In the past 24 hours, Ontario, California, USA had 22 quakes up to magnitude 2.8.

What was the strongest quake in Ontario today?

The strongest earthquake in Ontario today occurred 3 hours ago: Light mag. 2.8 earthquake - North Pacific Ocean, 39 mi southwest of Torrance, Los Angeles County, California, USA, on Tuesday, Feb 7, 2023 at 5:18 am (GMT -8).