Every recorded earthquake near

Earthquakes near Norco, CA

M 3.2

Latest: 5:37 am PDT on 2 September 2026 · 10 km (6 mi) NNW of Norco, CA

The most recent earthquake of M2.5 or more near Norco was M 3.2, 10 km (6 mi) NNW of Norco, CA, at 5:37 am PDT on 2 September 2026. 730 people reported feeling it to USGS. 6 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016: 1,606 earthquakes of M1.5 or more
In the last 12 months: 110
Largest since 2016: M 4.4 on 31 July 2025, 27 km (17 mi) NNE of Norco, CA
Reported felt: 614 of them have felt reports to USGS

USGS · feed checked 28 seconds ago · newest earthquake in our database 24 minutes ago · this page 02:49 UTC

The latest 50

1.5 11 km (7 mi) SSE of Norco, CA Sep 21, 2026
3:34 pm PDT
1.9 29 km (18 mi) NE of Norco, CA Sep 20, 2026
1:57 am PDT
1.6 10 km (6 mi) SSE of Norco, CA Sep 8, 2026
8:47 am PDT
1.8 20 km (12 mi) SW of Norco, CA Sep 7, 2026
11:08 am PDT
1.6 28 km (17 mi) ENE of Norco, CA Sep 6, 2026
8:31 am PDT
1.5 11 km (7 mi) NNW of Norco, CA Sep 3, 2026
2:40 pm PDT
3.2 10 km (6 mi) NNW of Norco, CA · felt by 730 Sep 2, 2026
5:37 am PDT
1.7 24 km (15 mi) NNE of Norco, CA Aug 30, 2026
11:37 pm PDT
1.7 11 km (7 mi) SSE of Norco, CA Aug 26, 2026
12:51 pm PDT
1.7 30 km (18 mi) NW of Norco, CA Aug 22, 2026
10:29 am PDT
1.6 14 km (9 mi) SSE of Norco, CA Aug 20, 2026
3:19 pm PDT
1.6 10 km (6 mi) NNW of Norco, CA Aug 16, 2026
1:36 pm PDT
2.8 10 km (6 mi) NNW of Norco, CA · felt by 128 Aug 16, 2026
1:35 pm PDT
2.3 20 km (12 mi) S of Norco, CA · felt by 19 Aug 15, 2026
6:33 am PDT
2.1 15 km (10 mi) SW of Norco, CA · felt by 4 Aug 12, 2026
9:37 am PDT
1.6 15 km (10 mi) SW of Norco, CA Aug 11, 2026
11:19 pm PDT
2.2 15 km (9 mi) SW of Norco, CA · felt by 11 Aug 11, 2026
11:17 pm PDT
3.0 15 km (9 mi) SW of Norco, CA · felt by 402 Aug 11, 2026
11:17 pm PDT
1.6 15 km (9 mi) SW of Norco, CA Aug 11, 2026
8:38 pm PDT
1.5 11 km (7 mi) NNW of Norco, CA Aug 7, 2026
2:31 am PDT
1.5 14 km (9 mi) SSE of Norco, CA Jul 30, 2026
12:01 pm PDT
1.8 11 km (7 mi) SSE of Norco, CA Jul 24, 2026
9:36 am PDT
1.8 11 km (7 mi) SSE of Norco, CA Jul 20, 2026
12:23 pm PDT
1.6 28 km (18 mi) NNE of Norco, CA Jul 20, 2026
4:54 am PDT
1.8 28 km (18 mi) SSE of Norco, CA Jul 18, 2026
4:23 pm PDT
1.6 22 km (14 mi) S of Norco, CA Jul 18, 2026
1:03 am PDT
1.7 10 km (7 mi) SSE of Norco, CA Jul 2, 2026
11:37 am PDT
1.5 14 km (8 mi) SSE of Norco, CA Jul 2, 2026
11:07 am PDT
1.6 27 km (16 mi) NNE of Norco, CA Jun 27, 2026
11:55 am PDT
1.6 28 km (18 mi) NE of Norco, CA Jun 22, 2026
4:57 am PDT
2.1 30 km (18 mi) ENE of Norco, CA · felt by 1 Jun 21, 2026
10:22 pm PDT
1.7 29 km (18 mi) NE of Norco, CA Jun 17, 2026
10:19 pm PDT
1.8 11 km (7 mi) SSE of Norco, CA Jun 16, 2026
9:36 am PDT
1.6 13 km (8 mi) SSE of Norco, CA Jun 12, 2026
11:15 am PDT
1.7 28 km (18 mi) W of Norco, CA May 31, 2026
1:08 am PDT
1.6 11 km (7 mi) SSE of Norco, CA May 28, 2026
10:30 am PDT
1.8 11 km (7 mi) SSE of Norco, CA May 26, 2026
9:31 am PDT
1.5 13 km (8 mi) SSE of Norco, CA May 7, 2026
12:58 pm PDT
2.5 11 km (7 mi) NNW of Norco, CA · felt by 151 May 2, 2026
3:10 am PDT
1.5 10 km (6 mi) SSE of Norco, CA Apr 30, 2026
11:11 am PDT
1.6 18 km (11 mi) WSW of Norco, CA Apr 16, 2026
10:12 am PDT
2.7 27 km (17 mi) NNE of Norco, CA · felt by 184 Apr 15, 2026
10:49 pm PDT
2.0 11 km (7 mi) SSE of Norco, CA · felt by 3 Mar 31, 2026
12:24 pm PDT
1.6 11 km (7 mi) N of Norco, CA Mar 31, 2026
7:24 am PDT
1.6 15 km (9 mi) W of Norco, CA Mar 26, 2026
8:19 pm PDT
1.6 10 km (6 mi) SSE of Norco, CA Mar 26, 2026
12:08 pm PDT
1.7 29 km (18 mi) ENE of Norco, CA Mar 25, 2026
5:11 am PDT
2.0 20 km (13 mi) WSW of Norco, CA Mar 25, 2026
1:40 am PDT
1.6 13 km (8 mi) SSE of Norco, CA Mar 18, 2026
2:44 pm PDT
1.7 28 km (18 mi) NE of Norco, CA Mar 13, 2026
5:07 pm PDT

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Norco time. Distances are from the town centre. Quakes USGS named after Norco are listed even when they are further out.

On the map

Map loads when it scrolls into view

The white circle is Norco; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Before 2016

The USGS record since 1900 lists 10 earthquakes of M5 or more within 50 km of Norco; the five largest:

6.2 3 km SE of San Bernardino, California · 32 km ENE of Norco 1923
6.0 The 1910 Lake Elsinore, California Earthquake · 29 km SSE of Norco 1910
5.5 The 1990 Upland, California Earthquake · 27 km NNW of Norco 1990
5.4 5km S of Chino Hills, CA · 20 km W of Norco 2008
5.2 8km ENE of Trabuco Canyon, CA · 26 km S of Norco 1938

USGS ComCat, M5+ from 1900 to 2016. This is the record, not a forecast.

Nearest mapped faults

Elsinore fault, 11 km from its surface trace
Red Hill-Etiwanda Avenue fault, 21 km from its surface trace
San Jacinto fault, 24 km from its surface trace

USGS Quaternary Fault and Fold Database. Near is not the same as on.

Nearby towns

Corona 6 km · Pedley 8 km · Glen Avon 11 km · Ontario 17 km · Rancho Cucamonga 20 km · Chino Hills 21 km · Fontana 21 km · Grand Terrace 25 km

If you felt one

Was that an earthquake? — checks what was recorded near you in the last hour
Report what you felt to USGS — reports go to USGS, not to us
Earthquakes in California, with the state's activity score

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.