United States – Mendocino County

This page summarizes earthquakes in Mendocino County (United States). The most recently recorded event was a magnitude M1.3 earthquake near Mendocino County on 2026-07-31 03:17:24 UTC. All event lists and map markers are limited to the last 30 days.

About Mendocino County

Mendocino County is a county located on the North Coast of the U.S. state of California. As of the 2020 United States census, the population was 91,601. The county seat is Ukiah.

Earthquakes (last 30 days)
102
Max magnitude (last 30 days)
M4.3
Avg magnitude (last 30 days)
M1.69
Avg depth (last 30 days)
5 km
Seismic activity in 2026

In 2026, Mendocino County recorded 343 earthquakes within United States. The average magnitude was M1.76. The strongest event reached M5.8.

By event count in 2026, this region ranks #20 within United States.

Considering the strongest recorded event in 2026, Mendocino County is among the Top 5 strongest regions in United States (rank #1 by max magnitude).

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Mendocino County (last 30 days)
M1.3
Mendocino County
2026-07-31 · 03:17 UTC · 13 km
M1.5
Mendocino County
2026-07-30 · 13:54 UTC · 5 km
M0.9
Mendocino County
2026-07-29 · 13:46 UTC · 1 km
M1.0
Mendocino County
2026-07-29 · 11:40 UTC · 3 km
M1.7
Mendocino County
2026-07-29 · 07:38 UTC · 7 km
M1.2
Mendocino County
2026-07-29 · 05:16 UTC · 4 km
M2.1
Mendocino County
2026-07-28 · 14:44 UTC · 4 km
M1.8
Mendocino County
2026-07-28 · 05:27 UTC · 1 km
M2.1
Redwood Valley
2026-07-26 · 16:40 UTC · 6 km
M1.5
Redwood Valley
2026-07-26 · 01:01 UTC · 8 km
M1.8
Mendocino County
2026-07-25 · 07:54 UTC · 3 km
M2.0
Mendocino County
2026-07-24 · 07:54 UTC · 7 km
M1.5
Potter Valley
2026-07-23 · 21:37 UTC · 8 km
M0.3
Mendocino County
2026-07-23 · 14:43 UTC · 1 km
M0.8
Mendocino County
2026-07-23 · 14:38 UTC · 0 km
M0.5
Mendocino County
2026-07-23 · 14:35 UTC · 2 km
M1.8
Mendocino County
2026-07-23 · 14:33 UTC · 1 km
M1.6
Mendocino County
2026-07-23 · 05:12 UTC · 1 km
M2.5
Mendocino County
2026-07-23 · 00:30 UTC · 7 km
M2.1
Mendocino County
2026-07-22 · 10:37 UTC · 7 km
M2.3
Mendocino County
2026-07-22 · 06:43 UTC · 5 km
M1.6
Mendocino County
2026-07-21 · 04:38 UTC · 9 km
M1.7
Mendocino County
2026-07-20 · 20:43 UTC · 7 km
M1.2
Mendocino County
2026-07-20 · 17:01 UTC · 8 km
M1.1
Mendocino County
2026-07-20 · 02:15 UTC · 3 km
M1.6
Mendocino County
2026-07-19 · 15:59 UTC · 5 km
M1.1
Mendocino County
2026-07-19 · 04:47 UTC · 2 km
M1.1
Mendocino County
2026-07-18 · 19:10 UTC · 3 km
M1.5
Mendocino County
2026-07-18 · 03:36 UTC · 0 km
M1.2
Mendocino County
2026-07-18 · 01:21 UTC · 4 km
M2.0
Mendocino County
2026-07-17 · 21:48 UTC · 4 km
M1.2
Mendocino County
2026-07-16 · 22:45 UTC · 1 km
M0.7
Mendocino County
2026-07-16 · 22:44 UTC · 1 km
M1.7
Mendocino County
2026-07-16 · 19:15 UTC · 8 km
M1.7
Mendocino County
2026-07-16 · 08:49 UTC · 7 km
M0.7
Mendocino County
2026-07-16 · 03:31 UTC · 1 km
M2.6
Mendocino County
2026-07-15 · 08:55 UTC · 8 km
M1.3
Mendocino County
2026-07-15 · 07:59 UTC · 6 km
M1.6
Mendocino County
2026-07-15 · 07:05 UTC · 2 km
M0.8
Mendocino County
2026-07-15 · 06:08 UTC · 1 km
M0.8
Mendocino County
2026-07-14 · 23:05 UTC · 1 km
M1.5
Mendocino County
2026-07-14 · 19:37 UTC · 4 km
M1.6
Mendocino County
2026-07-14 · 18:29 UTC · 7 km
M1.5
Mendocino County
2026-07-14 · 10:26 UTC · 6 km
M1.5
Mendocino County
2026-07-14 · 09:12 UTC · 2 km
M1.9
Mendocino County
2026-07-14 · 03:21 UTC · 7 km
M0.7
Mendocino County
2026-07-13 · 03:18 UTC · 1 km
M2.1
Mendocino County
2026-07-13 · 01:28 UTC · 4 km
M1.5
Mendocino County
2026-07-12 · 23:47 UTC · 9 km
M1.3
Mendocino County
2026-07-12 · 10:56 UTC · 4 km
M1.6
Mendocino County
2026-07-12 · 02:07 UTC · 7 km
M1.9
Mendocino County
2026-07-11 · 12:55 UTC · 10 km
M2.1
Mendocino County
2026-07-11 · 09:04 UTC · 5 km
M1.5
Mendocino County
2026-07-11 · 07:06 UTC · 8 km
M2.1
Mendocino County
2026-07-11 · 05:15 UTC · -1 km
M1.7
Mendocino County
2026-07-11 · 03:40 UTC · 8 km
M1.6
Mendocino County
2026-07-11 · 03:24 UTC · 13 km
M2.0
Mendocino County
2026-07-11 · 02:38 UTC · 6 km
M4.3
Mendocino County
2026-07-11 · 01:14 UTC · 9 km
M2.5
Mendocino County
2026-07-10 · 22:53 UTC · 4 km
M2.7
Mendocino County
2026-07-10 · 22:33 UTC · 7 km
M1.8
Mendocino County
2026-07-10 · 22:18 UTC · -1 km
M0.9
Redwood Valley
2026-07-10 · 22:11 UTC · 6 km
M1.7
Mendocino County
2026-07-10 · 22:09 UTC · 6 km
M3.6
Mendocino County
2026-07-10 · 22:05 UTC · 11 km
M1.3
Mendocino County
2026-07-10 · 13:34 UTC · 2 km
M1.5
Mendocino County
2026-07-10 · 07:20 UTC · 1 km
M0.6
Mendocino County
2026-07-09 · 08:44 UTC · 2 km
M1.0
Mendocino County
2026-07-09 · 04:27 UTC · 0 km
M1.3
Mendocino County
2026-07-09 · 01:44 UTC · 8 km
M1.7
Mendocino County
2026-07-08 · 23:25 UTC · 1 km
M2.2
Mendocino County
2026-07-08 · 20:21 UTC · 6 km
M1.3
Redwood Valley
2026-07-08 · 18:56 UTC · -1 km
M1.4
Mendocino County
2026-07-08 · 13:12 UTC · 9 km
M1.7
Mendocino County
2026-07-08 · 08:53 UTC · 2 km
M2.4
Mendocino County
2026-07-07 · 11:49 UTC · 6 km
M1.5
Mendocino County
2026-07-06 · 08:02 UTC · 7 km
M0.8
Mendocino County
2026-07-06 · 00:20 UTC · 13 km
M2.0
Mendocino County
2026-07-05 · 15:02 UTC · 4 km
M1.7
Mendocino County
2026-07-05 · 01:16 UTC · 4 km
M1.3
Mendocino County
2026-07-05 · 00:57 UTC · 4 km
M2.0
Mendocino County
2026-07-05 · 00:47 UTC · 3 km
M1.0
Redwood Valley
2026-07-04 · 18:52 UTC · 7 km
M0.6
Mendocino County
2026-07-04 · 18:13 UTC · 0 km
M1.4
Mendocino County
2026-07-04 · 15:57 UTC · 7 km
M0.8
Mendocino County
2026-07-04 · 11:31 UTC · 1 km
M1.7
Redwood Valley
2026-07-04 · 10:42 UTC · 6 km
M0.8
Mendocino County
2026-07-04 · 07:31 UTC · 1 km
M1.4
Mendocino County
2026-07-04 · 02:06 UTC · 7 km
M1.8
Mendocino County
2026-07-03 · 14:42 UTC · 4 km
M1.5
Mendocino County
2026-07-03 · 11:33 UTC · 7 km
M1.6
Mendocino County
2026-07-03 · 05:44 UTC · 4 km
M1.3
Mendocino County
2026-07-03 · 05:18 UTC · 4 km
M1.1
Mendocino County
2026-07-03 · 02:05 UTC · -1 km
M1.1
Mendocino County
2026-07-02 · 23:34 UTC · 7 km
M1.3
Mendocino County
2026-07-02 · 15:04 UTC · 8 km
M1.9
Mendocino County
2026-07-02 · 14:19 UTC · 7 km
M1.5
Mendocino County
2026-07-02 · 10:30 UTC · 7 km
M0.5
Mendocino County
2026-07-02 · 00:55 UTC · 1 km
M1.9
Mendocino County
2026-07-01 · 23:36 UTC · 7 km
M1.2
Mendocino County
2026-07-01 · 14:03 UTC · 5 km
M1.4
Mendocino County
2026-07-01 · 09:50 UTC · 4 km