United States – Orange County

This page summarizes earthquakes in Orange County (United States). The most recently recorded event was a magnitude M2.2 earthquake near Newport Beach on 2026-06-15 23:55:39 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
32
Max magnitude (last 30 days)
M2.2
Avg magnitude (last 30 days)
M1.37
Avg depth (last 30 days)
13 km
Seismic activity in 2026

In 2026, Orange County recorded 172 earthquakes within United States. The average magnitude was M1.53. The strongest event reached M2.7.

By event count in 2026, this region ranks #24 within United States.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Orange County (last 30 days)
M2.2
Newport Beach
2026-06-15 · 23:55 UTC · 68 km
›
M1.4
Seal Beach
2026-06-15 · 16:45 UTC · 3 km
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M1.2
Yorba Linda
2026-06-14 · 13:36 UTC · 11 km
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M1.5
Anaheim
2026-06-12 · 18:40 UTC · 0 km
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M0.9
Orange County
2026-06-12 · 07:19 UTC · 3 km
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M1.2
Rancho Santa Margarita
2026-06-11 · 20:02 UTC · 0 km
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M1.3
Laguna Beach
2026-06-08 · 19:54 UTC · 7 km
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M1.3
Lake Forest
2026-06-06 · 17:30 UTC · 23 km
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M1.5
Downtown Brea
2026-06-06 · 17:29 UTC · 22 km
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M1.0
Newport Beach
2026-06-06 · 14:08 UTC · 0 km
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M2.0
Newport Beach
2026-06-05 · 20:53 UTC · 55 km
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M1.5
Fullerton
2026-06-04 · 18:57 UTC · 10 km
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M1.5
Santa Ana
2026-06-01 · 23:08 UTC · 23 km
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M1.7
Yorba Linda
2026-06-01 · 21:14 UTC · 4 km
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M1.7
Placentia
2026-05-31 · 08:08 UTC · 10 km
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M1.3
Irvine
2026-05-30 · 00:06 UTC · 4 km
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M1.1
Placentia
2026-05-28 · 22:12 UTC · 31 km
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M0.7
Orange
2026-05-27 · 05:21 UTC · 0 km
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M1.4
Los Alamitos
2026-05-25 · 21:34 UTC · 2 km
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M1.4
Huntington Beach
2026-05-25 · 18:43 UTC · 4 km
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M1.1
Ladera Ranch
2026-05-23 · 21:29 UTC · 11 km
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M1.5
Anaheim
2026-05-22 · 20:18 UTC · 4 km
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M1.2
Yorba Linda
2026-05-21 · 22:50 UTC · 19 km
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M1.6
Westminster
2026-05-21 · 22:02 UTC · 31 km
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M1.4
Fullerton
2026-05-21 · 03:36 UTC · 6 km
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M1.3
Orange County
2026-05-20 · 22:06 UTC · 5 km
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M1.3
Costa Mesa
2026-05-20 · 06:47 UTC · 3 km
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M1.2
Orange
2026-05-19 · 17:45 UTC · 0 km
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M1.3
Orange County
2026-05-19 · 15:34 UTC · 8 km
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M1.3
Orange
2026-05-19 · 15:10 UTC · 20 km
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M1.4
Limestone Canyon
2026-05-19 · 11:38 UTC · 18 km
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M1.4
Santa Ana
2026-05-17 · 15:51 UTC · 3 km
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