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Live record · within 100 km (62 mi) · M2.5+

Earthquakes near Santa Ana

In the last 30 days there were 8 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Santa Ana, California, and 0 in the last 24 hours. The strongest was a magnitude 3.6, 57 km (35 mi) W of Santa Ana, on 2026-09-27.

Earthquakes M2.5+ within 100 km

  • Last 24 hours0
  • Last 7 days0
  • Last 30 days8
  • Last year65
  • Last 5 years318

M1+ in the last 7 days: 37. Methodology

Fig. 1M2.5+ within 100 km of Santa Ana, last 30 days

01 — History

Earthquakes per month near Santa Ana

133 earthquakes of magnitude 2.5 or larger within 100 km of Santa Ana in the last 24 months. The busiest month was Aug 2025, with 10.100Nov 2024Oct 2026
Fig. 2Earthquakes per month, M2.5+ within 100 km

133 earthquakes of magnitude 2.5 or larger within 100 km of Santa Ana in the last 24 months. The busiest month was Aug 2025, with 10.

02 — Recent

Recent earthquakes near Santa Ana

Magnitude 2.5+ earthquakes within 100 km of Santa Ana in the last 30 days
MagnitudeLocationDistanceDepthTime
2.83 km NNW of San Jacinto, CA84 km / 52 midepth 14 km
2.74 km E of San Jacinto, CA88 km / 55 midepth 12 km
3.22 km SW of Signal Hill, CA30 km / 18 midepth 12 km
2.72 km WNW of Fontana, CA53 km / 33 midepth 6 km
2.531 km SW of Dana Point, CA53 km / 33 midepth 11 km
2.832 km SW of Dana Point, CA54 km / 33 midepth 17 km
3.531 km SW of Dana Point, CA53 km / 33 midepth 11 km
3.67 km WSW of Hermosa Beach, CA57 km / 35 midepth 12 km

03 — Questions

Earthquakes in Santa Ana, answered

Was there an earthquake in Santa Ana today?

No earthquake of magnitude 2.5 or larger was recorded within 100 km of Santa Ana in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.

Are earthquakes common near Santa Ana?

Over the last five years there were 318 earthquakes of magnitude 2.5 or larger within 100 km of Santa Ana, an average of 64 a year. 65 occurred in the last 12 months. That is close to the five-year average.

What was the largest earthquake near Santa Ana in five years?

A magnitude 4.7 on Sep 12, 2024, 14:28 UTC, 94 km (58 mi) WNW of Santa Ana, 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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