Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Rancho Santa Margarita
In the last 30 days there were 9 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Rancho Santa Margarita, California, and 0 in the last 24 hours. The strongest was a magnitude 3.6, 83 km (52 mi) WNW of Rancho Santa Margarita, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days9
- Last year66
- Last 5 years336
M1+ in the last 7 days: 47. Methodology
01 — History
Earthquakes per month near Rancho Santa Margarita
139 earthquakes of magnitude 2.5 or larger within 100 km of Rancho Santa Margarita in the last 24 months. The busiest month was Aug 2025, with 12.
02 — Recent
Recent earthquakes near Rancho Santa Margarita
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.8 | 3 km NNW of San Jacinto, CA | 62 km / 38 mi | depth 14 km | |
| 2.7 | 4 km E of San Jacinto, CA | 65 km / 40 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 | 52 km / 33 mi | depth 6 km | |
| 2.6 | 4 km NNW of Big Bear City, CA | 100 km / 62 mi | depth 4 km | |
| 2.5 | 31 km SW of Dana Point, CA | 52 km / 32 mi | depth 11 km | |
| 2.8 | 32 km SW of Dana Point, CA | 52 km / 32 mi | depth 17 km | |
| 3.5 | 31 km SW of Dana Point, CA | 51 km / 32 mi | depth 11 km | |
| 3.6 | 7 km WSW of Hermosa Beach, CA | 83 km / 52 mi | depth 12 km |
03 — Questions
Earthquakes in Rancho Santa Margarita, answered
Was there an earthquake in Rancho Santa Margarita today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Rancho Santa Margarita in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Rancho Santa Margarita?
Over the last five years there were 336 earthquakes of magnitude 2.5 or larger within 100 km of Rancho Santa Margarita, an average of 67 a year. 66 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Rancho Santa Margarita in five years?
A magnitude 4.4 on Aug 12, 2024, 19:20 UTC, 72 km (45 mi) NW of Rancho Santa Margarita, 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
Put this on your website
Show a live version of this report on your own site. It’s free, updates every two minutes and links back here. How the widget works.
<iframe src="https://quakewatch.beer/embed/us/california/rancho-santa-margarita" width="360" height="430" style="border:0" loading="lazy" title="Recent earthquakes near Rancho Santa Margarita"></iframe>