Earthquake today in Riverside
California, United States · checked 18:57 UTC
Was there an earthquake in Riverside today?
Yes. The largest in the last 24 hours was a magnitude 2.5 earthquake 11 miles (17 km) NE of Riverside at 06:36 UTC (11:36 pm in Riverside), as reported by the US Geological Survey.
"Today" here is the last 24 hours, ending now. Times are shown in UTC and in Riverside's own time.
In the last 24 hours
- M2.5 — 11 miles (17 km) NE of Riverside · 06:36 UTC (11:36 pm in Riverside) · depth 16 km
Earthquakes near Riverside in the last 30 days
13 in the last 30 days. The largest was magnitude 3.6, 62 miles (100 km) W of Riverside, on 27 September.
| Magnitude | Distance | When | Depth |
|---|---|---|---|
| M2.5 | 11 miles (17 km) NE | 19 October, 06:36 UTC (11:36 pm in Riverside) | 16 km |
| M2.8 | 27 miles (43 km) ESE | 15 October, 03:30 UTC (8:30 pm in Riverside) | 14 km |
| M2.7 | 30 miles (48 km) ESE | 11 October, 08:04 UTC (1:04 am in Riverside) | 12 km |
| M2.5 | 31 miles (50 km) SE | 10 October, 16:59 UTC (9:59 am in Riverside) | 14 km |
| M2.5 | 45 miles (72 km) SE | 10 October, 00:36 UTC (5:36 pm in Riverside) | 12 km |
| M3.2 | 47 miles (75 km) WSW | 9 October, 07:44 UTC (12:44 am in Riverside) | 12 km |
| M2.7 | 11 miles (18 km) NNW | 8 October, 08:09 UTC (1:09 am in Riverside) | 6 km |
| M2.6 | 39 miles (62 km) NE | 6 October, 08:40 UTC (1:40 am in Riverside) | 4 km |
| M2.5 | 57 miles (91 km) SSW | 5 October, 22:06 UTC (3:06 pm in Riverside) | 11 km |
| M3.5 | 57 miles (91 km) SSW | 5 October, 20:22 UTC (1:22 pm in Riverside) | 11 km |
| M3.1 | 62 miles (100 km) ESE | 1 October, 00:01 UTC (5:01 pm in Riverside) | 5 km |
| M3.6 | 62 miles (100 km) W | 27 September, 15:40 UTC (8:40 am in Riverside) | 12 km |
| M2.6 | 45 miles (72 km) SE | 23 September, 10:52 UTC (3:52 am in Riverside) | 13 km |
Which earthquakes this page counts
A small earthquake close by and a large one far away can both be what people in Riverside notice, so one fixed circle would be wrong both ways. This page counts magnitude 6 or more within 800 km; magnitude 5 or more within 400 km; magnitude 4 or more within 200 km; any size within 100 km. That is this site's rule for what to list, not a statement that an earthquake was felt. The earthquakes are the ones the US Geological Survey (magnitude 2.5 and above) and the European-Mediterranean Seismological Centre (magnitude 4 and above) have published; outside the United States, smaller earthquakes are often missing from both.
The largest earthquakes on record within 300 km
The USGS catalog holds 115 earthquakes of magnitude 5 or more within 300 km of Riverside in the last 50 years. The largest since 1900:
- M7.5, 21 July 1952 — 115 miles (185 km) NW of Riverside (The 1952 Kern County, California Earthquake)
- M7.3, 28 June 1992 — 58 miles (93 km) ENE of Riverside (The 1992 Landers, California Earthquake)
- M7.2, 4 April 2010 — 168 miles (270 km) SE of Riverside (The 2010 Sierra El Mayor, B.C., Mexico Earthquake)
- M7.1, 16 October 1999 — 79 miles (127 km) NE of Riverside (The 1999 Hector Mine, California Earthquake)
- M7.1, 6 July 2019 — 126 miles (203 km) N of Riverside (Ridgecrest Earthquake Sequence)
From the USGS Comprehensive Earthquake Catalog, magnitude 6 and above. The catalog is most complete for recent decades. Search the full history near Riverside →
If you felt it
Expect aftershocks, and stay away from damaged buildings. If you are indoors when shaking starts: drop, cover and hold on. This site does not issue warnings and earthquakes cannot be predicted — follow United States's own authorities, listed on the United States page. What to do before, during and after an earthquake →
Questions
Was there an earthquake in Riverside today?
Yes. The largest in the last 24 hours was a magnitude 2.5 earthquake 11 miles (17 km) NE of Riverside at 06:36 UTC (11:36 pm in Riverside), as reported by the US Geological Survey.
How many earthquakes have there been near Riverside recently?
13 in the last 30 days. The largest was magnitude 3.6, 62 miles (100 km) W of Riverside, on 27 September. This page counts magnitude 6 or more within 800 km; magnitude 5 or more within 400 km; magnitude 4 or more within 200 km; any size within 100 km.
How often are there strong earthquakes near Riverside?
The USGS catalog holds 115 earthquakes of magnitude 5 or more within 300 km of Riverside in the last 50 years. The catalog is most complete for recent decades; a low number is not a low hazard.
Where do official earthquake alerts for Riverside come from?
From United States's national seismological and disaster-management agencies, which are listed on this site's United States page. This page collects what USGS and EMSC publish; it does not issue warnings, and earthquakes cannot be predicted.
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