Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Castaic
In the last 30 days there were 3 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Castaic, California, and 0 in the last 24 hours. The strongest was a magnitude 3.8, 17 km (10 mi) SW of Castaic, on 2026-09-30.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days3
- Last year53
- Last 5 years371
M1+ in the last 7 days: 11. Methodology
01 — History
Earthquakes per month near Castaic
99 earthquakes of magnitude 2.5 or larger within 100 km of Castaic in the last 24 months. The busiest month was Dec 2025, with 16.
02 — Recent
Recent earthquakes near Castaic
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 3.2 | 2 km SW of Signal Hill, CA | 88 km / 55 mi | depth 12 km | |
| 3.8 | 4 km SE of Piru, CA | 17 km / 10 mi | depth 10 km | |
| 3.6 | 7 km WSW of Hermosa Beach, CA | 73 km / 45 mi | depth 12 km |
03 — Questions
Earthquakes in Castaic, answered
Was there an earthquake in Castaic today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Castaic in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Castaic?
Over the last five years there were 371 earthquakes of magnitude 2.5 or larger within 100 km of Castaic, an average of 74 a year. 53 occurred in the last 12 months. That is 29% below the five-year average.
What was the largest earthquake near Castaic in five years?
A magnitude 5.2 on Aug 7, 2024, 04:09 UTC, 81 km (51 mi) NNW of Castaic, at a depth of 12 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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