Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Montclair
In the last 30 days there were 9 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Montclair, California, and 0 in the last 24 hours. The strongest was a magnitude 3.6, 76 km (47 mi) WSW of Montclair, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days9
- Last year69
- Last 5 years325
M1+ in the last 7 days: 39. Methodology
01 — History
Earthquakes per month near Montclair
147 earthquakes of magnitude 2.5 or larger within 100 km of Montclair in the last 24 months. The busiest month was Aug 2025, with 12.
02 — Recent
Recent earthquakes near Montclair
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.8 | 3 km NNW of San Jacinto, CA | 73 km / 46 mi | depth 14 km | |
| 2.7 | 4 km E of San Jacinto, CA | 78 km / 49 mi | depth 12 km | |
| 3.2 | 2 km SW of Signal Hill, CA | 56 km / 35 mi | depth 12 km | |
| 2.7 | 2 km WNW of Fontana, CA | 19 km / 12 mi | depth 6 km | |
| 2.6 | 4 km NNW of Big Bear City, CA | 80 km / 50 mi | depth 4 km | |
| 2.5 | 31 km SW of Dana Point, CA | 93 km / 58 mi | depth 11 km | |
| 2.8 | 32 km SW of Dana Point, CA | 93 km / 58 mi | depth 17 km | |
| 3.5 | 31 km SW of Dana Point, CA | 93 km / 58 mi | depth 11 km | |
| 3.6 | 7 km WSW of Hermosa Beach, CA | 76 km / 47 mi | depth 12 km |
03 — Questions
Earthquakes in Montclair, answered
Was there an earthquake in Montclair today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Montclair in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Montclair?
Over the last five years there were 325 earthquakes of magnitude 2.5 or larger within 100 km of Montclair, an average of 65 a year. 69 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Montclair in five years?
A magnitude 4.4 on Aug 12, 2024, 19:20 UTC, 45 km (28 mi) W of Montclair, 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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