United States – San Diego County

This page summarizes earthquakes in San Diego County (United States). The most recently recorded event was a magnitude M0.6 earthquake near Borrego Springs on 2026-07-31 05:46:25 UTC. All event lists and map markers are limited to the last 30 days.

About San Diego County

San Diego County, officially the County of San Diego, is located in the southwest corner of the U.S. state of California, north to its border with Mexico.

Earthquakes (last 30 days)
232
Max magnitude (last 30 days)
M3.3
Avg magnitude (last 30 days)
M1.16
Avg depth (last 30 days)
9 km
Seismic activity in 2026

In 2026, San Diego County recorded 994 earthquakes within United States. The average magnitude was M1.08. The strongest event reached M3.3.

By event count in 2026, this region ranks #9 within United States.

Located on the Pacific Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in San Diego County (last 30 days)
M0.6
Borrego Springs
2026-07-31 · 05:46 UTC · 5 km
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M1.6
San Diego County
2026-07-31 · 03:34 UTC · 8 km
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M1.3
San Diego County
2026-07-30 · 17:50 UTC · 11 km
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M1.2
San Diego County
2026-07-30 · 14:36 UTC · 11 km
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M1.0
San Diego County
2026-07-30 · 05:55 UTC · 12 km
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M1.0
San Diego County
2026-07-30 · 04:08 UTC · 10 km
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M1.4
San Diego County
2026-07-30 · 03:00 UTC · 7 km
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M1.3
San Diego County
2026-07-30 · 02:44 UTC · 6 km
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M1.1
San Diego County
2026-07-29 · 22:17 UTC · 14 km
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M1.3
Chula Vista
2026-07-29 · 20:33 UTC · 4 km
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M0.6
San Diego County
2026-07-29 · 19:18 UTC · 10 km
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M2.5
San Diego County
2026-07-29 · 16:58 UTC · 7 km
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M0.5
San Diego County
2026-07-29 · 15:17 UTC · 12 km
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M1.6
San Diego County
2026-07-29 · 08:46 UTC · 11 km
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M1.3
San Diego County
2026-07-29 · 05:26 UTC · 12 km
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M1.1
San Diego County
2026-07-29 · 03:47 UTC · 12 km
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M0.7
San Diego County
2026-07-28 · 13:04 UTC · 8 km
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M1.0
San Diego County
2026-07-28 · 07:04 UTC · 9 km
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M1.2
San Diego County
2026-07-28 · 06:56 UTC · 16 km
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M0.5
San Diego County
2026-07-28 · 05:36 UTC · 13 km
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M0.6
San Diego County
2026-07-28 · 03:43 UTC · 8 km
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M2.2
San Diego County
2026-07-28 · 01:02 UTC · 4 km
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M1.4
Foster
2026-07-27 · 23:06 UTC · 2 km
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M1.2
Pala
2026-07-27 · 18:30 UTC · 8 km
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M1.1
San Diego County
2026-07-26 · 17:45 UTC · 11 km
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M1.0
San Diego County
2026-07-26 · 08:33 UTC · 13 km
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M1.2
San Diego County
2026-07-25 · 16:52 UTC · 6 km
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M1.4
Borrego Springs
2026-07-25 · 12:04 UTC · 4 km
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M1.0
San Diego County
2026-07-25 · 11:01 UTC · 13 km
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M1.3
San Diego County
2026-07-25 · 10:43 UTC · 12 km
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M1.3
San Diego County
2026-07-25 · 07:02 UTC · 11 km
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M1.1
San Diego County
2026-07-25 · 07:00 UTC · 9 km
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M0.8
San Diego County
2026-07-25 · 03:50 UTC · 15 km
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M1.3
San Diego County
2026-07-25 · 01:29 UTC · 5 km
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M1.0
San Diego County
2026-07-24 · 20:25 UTC · 18 km
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M0.8
San Diego County
2026-07-24 · 16:08 UTC · 6 km
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M1.3
San Diego County
2026-07-24 · 08:55 UTC · 12 km
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M1.1
Canebrake
2026-07-24 · 04:54 UTC · 12 km
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M1.3
San Diego County
2026-07-24 · 03:15 UTC · 11 km
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M1.9
Pala
2026-07-23 · 17:09 UTC · 18 km
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M1.0
San Diego County
2026-07-23 · 14:25 UTC · 3 km
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M1.7
San Diego County
2026-07-23 · 13:41 UTC · 8 km
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M1.2
Julian
2026-07-23 · 12:59 UTC · 10 km
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M1.1
San Diego County
2026-07-23 · 09:09 UTC · 8 km
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M0.9
San Diego County
2026-07-23 · 08:42 UTC · 8 km
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M2.4
San Diego County
2026-07-23 · 07:15 UTC · 11 km
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M1.4
San Diego County
2026-07-23 · 07:15 UTC · 14 km
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M1.4
San Diego County
2026-07-23 · 01:28 UTC · 12 km
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M0.7
Borrego Springs
2026-07-22 · 21:08 UTC · 9 km
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M1.0
San Diego County
2026-07-22 · 15:56 UTC · 12 km
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M1.2
San Diego County
2026-07-22 · 12:44 UTC · 27 km
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M1.0
Julian
2026-07-22 · 12:27 UTC · 13 km
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M2.4
San Diego County
2026-07-22 · 06:14 UTC · 11 km
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M1.0
La Mesa
2026-07-21 · 20:11 UTC · 1 km
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M1.2
San Diego County
2026-07-21 · 18:32 UTC · 11 km
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M0.7
San Diego County
2026-07-21 · 16:30 UTC · 10 km
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M1.4
San Diego County
2026-07-21 · 05:42 UTC · 9 km
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M1.4
San Diego County
2026-07-21 · 03:57 UTC · 10 km
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M1.7
Yuima
2026-07-20 · 21:13 UTC · 24 km
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M1.4
San Diego County
2026-07-20 · 16:32 UTC · 14 km
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M2.5
San Diego County
2026-07-20 · 14:35 UTC · 10 km
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M0.4
San Diego County
2026-07-20 · 07:46 UTC · 11 km
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M1.6
San Diego County
2026-07-20 · 07:05 UTC · 11 km
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M2.0
San Diego County
2026-07-19 · 09:11 UTC · 9 km
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M1.0
San Diego County
2026-07-19 · 08:41 UTC · 9 km
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M1.5
San Diego County
2026-07-19 · 07:45 UTC · 10 km
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M0.6
Oak Grove
2026-07-18 · 19:02 UTC · 15 km
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M1.4
San Diego County
2026-07-18 · 15:18 UTC · 10 km
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M1.1
Borrego Springs
2026-07-18 · 11:47 UTC · 3 km
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M1.2
San Diego County
2026-07-18 · 11:02 UTC · 11 km
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M1.1
San Diego County
2026-07-18 · 06:43 UTC · 11 km
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M1.3
San Diego County
2026-07-18 · 04:54 UTC · 6 km
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M0.7
Maláava (Janat)
2026-07-18 · 02:35 UTC · 15 km
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M1.9
San Diego County
2026-07-17 · 23:20 UTC · 7 km
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M0.5
San Diego County
2026-07-17 · 18:17 UTC · 14 km
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M0.7
San Diego County
2026-07-17 · 09:11 UTC · 9 km
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M0.6
San Diego County
2026-07-17 · 06:25 UTC · 9 km
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M1.0
San Diego County
2026-07-16 · 15:35 UTC · 13 km
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M1.2
San Diego County
2026-07-16 · 14:51 UTC · 12 km
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M0.3
San Diego County
2026-07-16 · 10:52 UTC · 10 km
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M1.3
San Diego County
2026-07-16 · 10:27 UTC · 9 km
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M0.6
San Diego County
2026-07-16 · 07:17 UTC · 6 km
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M1.3
San Diego County
2026-07-16 · 07:04 UTC · 7 km
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M0.8
San Diego County
2026-07-16 · 06:42 UTC · 12 km
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M1.6
Agra
2026-07-16 · 06:26 UTC · 20 km
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M0.4
San Diego County
2026-07-16 · 04:28 UTC · 12 km
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M2.0
San Diego County
2026-07-16 · 01:18 UTC · 0 km
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M1.1
San Diego County
2026-07-16 · 00:52 UTC · 6 km
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M0.6
Borrego Springs
2026-07-15 · 19:30 UTC · 3 km
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M1.0
Borrego Springs
2026-07-15 · 16:18 UTC · 4 km
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M1.0
San Diego County
2026-07-15 · 15:28 UTC · 7 km
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M0.5
Borrego Springs
2026-07-15 · 15:00 UTC · 5 km
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M1.1
Borrego Springs
2026-07-15 · 09:11 UTC · 11 km
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M1.6
San Diego Country Estates
2026-07-15 · 05:30 UTC · 29 km
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M1.6
Bankhead Springs
2026-07-15 · 05:30 UTC · 28 km
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M1.0
San Diego County
2026-07-15 · 02:19 UTC · 6 km
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M1.6
Ramona
2026-07-15 · 02:19 UTC · 12 km
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M2.4
San Diego County
2026-07-15 · 02:19 UTC · 21 km
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M1.1
Julian
2026-07-14 · 23:34 UTC · 11 km
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M1.4
Matamo
2026-07-14 · 21:30 UTC · 8 km
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M0.9
Chula Vista
2026-07-14 · 20:00 UTC · 0 km
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M0.6
San Diego County
2026-07-14 · 12:55 UTC · 12 km
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M1.5
San Diego County
2026-07-13 · 22:59 UTC · 15 km
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M0.6
San Diego County
2026-07-13 · 22:59 UTC · 13 km
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M1.0
San Diego County
2026-07-13 · 13:14 UTC · 11 km
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M1.0
San Onofre
2026-07-13 · 06:38 UTC · 15 km
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M1.6
Pala
2026-07-12 · 16:41 UTC · 24 km
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M0.5
Pauma
2026-07-12 · 11:25 UTC · 9 km
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M0.5
San Diego County
2026-07-12 · 09:33 UTC · 11 km
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M0.5
Borrego Springs
2026-07-12 · 08:47 UTC · 6 km
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M0.5
San Diego County
2026-07-12 · 07:34 UTC · 7 km
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M1.9
Borrego Springs
2026-07-12 · 06:01 UTC · 13 km
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M1.4
San Diego County
2026-07-11 · 15:36 UTC · 11 km
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M1.4
San Diego County
2026-07-11 · 14:39 UTC · 0 km
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M0.3
Maláava (Janat)
2026-07-11 · 11:24 UTC · 15 km
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M0.4
San Diego County
2026-07-11 · 06:22 UTC · 7 km
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M1.1
San Diego County
2026-07-11 · 04:44 UTC · 6 km
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M0.5
San Diego County
2026-07-11 · 03:24 UTC · 7 km
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M0.8
Borrego Springs
2026-07-10 · 17:08 UTC · 5 km
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M1.1
San Diego County
2026-07-10 · 16:16 UTC · 11 km
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