Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Norco
In the last 30 days there were 9 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Norco, California, and 0 in the last 24 hours. The strongest was a magnitude 3.6, 85 km (53 mi) W of Norco, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days9
- Last year63
- Last 5 years328
M1+ in the last 7 days: 48. Methodology
01 — History
Earthquakes per month near Norco
142 earthquakes of magnitude 2.5 or larger within 100 km of Norco in the last 24 months. The busiest month was Aug 2025, with 12.
02 — Recent
Recent earthquakes near Norco
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.8 | 3 km NNW of San Jacinto, CA | 56 km / 35 mi | depth 14 km | |
| 2.7 | 4 km E of San Jacinto, CA | 61 km / 38 mi | depth 12 km | |
| 3.2 | 2 km SW of Signal Hill, CA | 61 km / 38 mi | depth 12 km | |
| 2.7 | 2 km WNW of Fontana, CA | 20 km / 12 mi | depth 6 km | |
| 2.6 | 4 km NNW of Big Bear City, CA | 75 km / 47 mi | depth 4 km | |
| 2.5 | 31 km SW of Dana Point, CA | 82 km / 51 mi | depth 11 km | |
| 2.8 | 32 km SW of Dana Point, CA | 82 km / 51 mi | depth 17 km | |
| 3.5 | 31 km SW of Dana Point, CA | 82 km / 51 mi | depth 11 km | |
| 3.6 | 7 km WSW of Hermosa Beach, CA | 85 km / 53 mi | depth 12 km |
03 — Questions
Earthquakes in Norco, answered
Was there an earthquake in Norco today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Norco in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Norco?
Over the last five years there were 328 earthquakes of magnitude 2.5 or larger within 100 km of Norco, an average of 66 a year. 63 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Norco in five years?
A magnitude 4.4 on Aug 12, 2024, 19:20 UTC, 60 km (38 mi) WNW of Norco, at a depth of 11 km. See this earthquake
Counts describe past activity within 100 km of the city centre. They are not a forecast or a risk assessment. Data updated . Source: USGS.
05 — Embed
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