29 Sept 2026, 10:17 UTC · Sep 29, 6:17 AM ET

M2.2 earthquake 3 km SSE of Costa Mesa, CA

A magnitude 2.2 earthquake struck 3 km SSE of Costa Mesa, CA at Sep 29, 6:17 AM ET, 8 km deep, micro – recorded by instruments, rarely felt. 26 people reported feeling it.

M2.2 3 km SSE of Costa Mesa, CAM3.2 7 km SE of Loma Linda, CAM3.2 6 km SE of Ontario, CAM3.2 13 km NNE of Avalon, CAM3.2 7 km SE of Loma Linda, CAM3.2 4 km SE of Loma Linda, CAM3.3 6 km SSW of Redlands, CAM3.3 1 km SE of Muscoy, CAM3.3 26 km ESE of Avalon, CAM3.4 14 km SSW of Rancho Palos Verdes, CAM3.5 31 km SW of Dana Point, CAM3.6 7 km WSW of Hermosa Beach, CAM3.6 4 km S of Banning, CA
under 33–44–55–66+
Magnitude2.2 ml
Time29 Sept 2026, 10:17 UTC
Location33.642°, -117.905° – 3 km SSE of Costa Mesa, CA
Depth7.7 km
Felt reports26
USGS eventci41340495
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
3.64 km S of Banning, CAFeb 17, 1:57 PM
241 d ago
14 km399 reports
3.67 km WSW of Hermosa Beach, CASep 27, 11:40 AM
19 d ago
12 km2,136 reports
3.531 km SW of Dana Point, CAOct 5, 4:22 PM
11 d ago
11 km126 reports
3.414 km SSW of Rancho Palos Verdes, CAFeb 23, 12:40 AM
236 d ago
15 km1,029 reports
3.326 km ESE of Avalon, CASep 12, 7:13 AM
34 d ago
11 km9 reports
3.31 km SE of Muscoy, CAMay 9, 2:32 AM
161 d ago
13 km607 reports
3.36 km SSW of Redlands, CAApr 27, 10:47 AM
172 d ago
3 km495 reports
3.27 km SE of Loma Linda, CAMay 8, 9:40 PM
161 d ago
4 km273 reports
3.24 km SE of Loma Linda, CAApr 29, 11:48 PM
170 d ago
16 km338 reports
3.213 km NNE of Avalon, CAJul 6, 8:48 AM
102 d ago
9 km16 reports
3.26 km SE of Ontario, CASep 2, 8:37 AM
44 d ago
6 km739 reports
3.27 km SE of Loma Linda, CAJun 9, 12:36 PM
129 d ago
5 km398 reports
FAQ

About this earthquake

How strong was the 3 km SSE of Costa Mesa, CA earthquake?

Magnitude 2.2 (ml), micro – recorded by instruments, rarely felt. Depth 8 km.

Was it felt?

26 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.5.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.5.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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M2.2 earthquake 3 km SSE of Costa Mesa, CA — 77.today