Every recorded earthquake near
Earthquakes near Rialto, CA
M 3.2
Latest: 5:37 am PDT on 2 September 2026 · 23 km (14 mi) WSW of Rialto, CA
The most recent earthquake of M2.5 or more near Rialto was M 3.2, 23 km (14 mi) WSW of Rialto, CA, at 5:37 am PDT on 2 September 2026. 730 people reported feeling it to USGS. 7 smaller earthquakes have been recorded nearby since; the newest is first in the list below.
- Within 30 km since 2016
- 1,933 earthquakes of M1.5 or more
- In the last 12 months
- 190
- Largest since 2016
- M 4.4 on 31 July 2025, 6 km (4 mi) NW of Rialto, CA
- Reported felt
- 717 of them have felt reports to USGS
USGS · feed checked · newest earthquake in our database · this page
The latest 50
- 2.1 14 km (9 mi) NNW of Rialto, CA
- 1.6 15 km (9 mi) SE of Rialto, CA
- 2.0 13 km (8 mi) ENE of Rialto, CA · felt by 14
- 1.9 7 km (5 mi) ESE of Rialto, CA
- 1.6 24 km (15 mi) ESE of Rialto, CA
- 1.6 15 km (10 mi) SE of Rialto, CA
- 1.5 22 km (14 mi) WSW of Rialto, CA
- 3.2 23 km (14 mi) WSW of Rialto, CA · felt by 730
- 1.6 7 km (5 mi) NNW of Rialto, CA
- 1.7 12 km (7 mi) WNW of Rialto, CA
- 1.6 25 km (16 mi) SE of Rialto, CA
- 1.6 26 km (16 mi) SE of Rialto, CA
- 1.7 17 km (10 mi) SE of Rialto, CA
- 1.5 19 km (12 mi) SE of Rialto, CA
- 1.6 22 km (14 mi) WSW of Rialto, CA
- 2.8 23 km (14 mi) WSW of Rialto, CA · felt by 128
- 1.7 20 km (12 mi) ESE of Rialto, CA
- 1.6 21 km (13 mi) SE of Rialto, CA
- 1.6 8 km (5 mi) NNW of Rialto, CA
- 1.7 14 km (8 mi) NW of Rialto, CA
- 1.5 22 km (14 mi) WSW of Rialto, CA
- 1.6 23 km (14 mi) ESE of Rialto, CA
- 2.0 16 km (10 mi) SE of Rialto, CA
- 1.6 10 km (6 mi) NW of Rialto, CA
- 1.7 24 km (15 mi) SE of Rialto, CA
- 2.1 16 km (10 mi) NNW of Rialto, CA
- 1.6 21 km (13 mi) SE of Rialto, CA
- 2.0 30 km (18 mi) ENE of Rialto, CA
- 1.5 30 km (18 mi) ENE of Rialto, CA
- 1.6 7 km (4 mi) NW of Rialto, CA
- 1.9 21 km (13 mi) NW of Rialto, CA
- 1.6 5 km (3 mi) E of Rialto, CA
- 2.1 10 km (6 mi) ESE of Rialto, CA · felt by 1
- 1.6 19 km (12 mi) ESE of Rialto, CA
- 1.7 6 km (4 mi) ESE of Rialto, CA
- 1.6 6 km (3 mi) NNE of Rialto, CA
- 1.8 26 km (16 mi) ESE of Rialto, CA
- 1.7 16 km (10 mi) SE of Rialto, CA
- 2.0 24 km (15 mi) ESE of Rialto, CA
- 1.5 18 km (11 mi) SE of Rialto, CA
- 2.1 26 km (16 mi) ESE of Rialto, CA
- 2.1 18 km (11 mi) SE of Rialto, CA · felt by 4
- 2.8 19 km (12 mi) SE of Rialto, CA · felt by 95
- 3.2 18 km (11 mi) SE of Rialto, CA · felt by 398
- 1.9 16 km (10 mi) SE of Rialto, CA
- 2.1 19 km (12 mi) ESE of Rialto, CA · felt by 12
- 1.9 19 km (12 mi) SE of Rialto, CA
- 1.9 19 km (12 mi) SE of Rialto, CA · felt by 2
- 2.1 12 km (7 mi) ESE of Rialto, CA · felt by 2
- 1.7 19 km (12 mi) SE of Rialto, CA
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 Rialto time. Distances are from the town centre. Quakes USGS named after Rialto are listed even when they are further out.
On the map
The white circle is Rialto; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Before 2016
The USGS record since 1900 lists 17 earthquakes of M5 or more within 50 km of Rialto; the five largest:
- 6.2 3 km SE of San Bernardino, California · 10 km E of Rialto
- 6.0 The 1910 Lake Elsinore, California Earthquake · 45 km S of Rialto
- 5.6 7km ENE of Running Springs, CA · 34 km ENE of Rialto
- 5.5 The 1990 Upland, California Earthquake · 30 km W of Rialto
- 5.5 11km SSE of Big Bear Lake, California · 48 km E of Rialto
USGS ComCat, M5+ from 1900 to 2016. This is the record, not a forecast.
Nearest mapped faults
- San Jacinto fault, 1 km from its surface trace
- San Andreas fault, 11 km from its surface trace
- Sierra Madre fault, 11 km from its surface trace
USGS Quaternary Fault and Fold Database. Near is not the same as on.
Nearby towns
Muscoy 6 km · Fontana 6 km · Colton 6 km · San Bernardino 7 km · Grand Terrace 10 km · Loma Linda 12 km · Glen Avon 15 km · Highland 15 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.