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

Earthquakes near Arcata

In the last 30 days there were 11 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Arcata, California, and 0 in the last 24 hours. The strongest was a magnitude 3.4, 90 km (56 mi) WSW of Arcata, on 2026-10-23.

Earthquakes M2.5+ within 100 km

Last 24 hours0
Last 7 days3
Last 30 days11
Last year151
Last 5 years1,148

M1+ in the last 7 days: 16. Methodology

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

01 — History

Earthquakes per month near Arcata

Fig. 2Earthquakes per month, M2.5+ within 100 km

682 earthquakes of magnitude 2.5 or larger within 100 km of Arcata in the last 24 months. The busiest month was Dec 2024, with 291.

02 — Recent

Recent earthquakes near Arcata

Magnitude 2.5+ earthquakes within 100 km of Arcata in the last 30 days
Magnitude	Location	Distance	Depth	Time
3.4	70 km W of Ferndale, CA	90 km / 56 mi	depth 10 km	Oct 23, 05:38 UTC
3.3	14 km SE of Petrolia, CA	71 km / 44 mi	depth 11 km	Oct 22, 01:43 UTC
3.1	80 km WNW of Ferndale, CA	88 km / 55 mi	depth 5 km	Oct 20, 07:39 UTC
2.6	18 km WSW of Petrolia, CA	74 km / 46 mi	depth 7 km	Oct 17, 21:43 UTC
2.9	12 km W of Petrolia, CA	65 km / 41 mi	depth 19 km	Oct 15, 17:25 UTC
3.0	23 km NE of Hydesville, CA	26 km / 16 mi	depth 5 km	Oct 14, 13:56 UTC
2.7	22 km W of Petrolia, CA	75 km / 46 mi	depth 9 km	Oct 13, 10:15 UTC
2.8	44 km WNW of Petrolia, CA	73 km / 45 mi	depth 25 km	Oct 13, 10:07 UTC
3.1	20 km W of Petrolia, CA	72 km / 45 mi	depth 10 km	Oct 12, 15:21 UTC
3.1	22 km W of Petrolia, CA	74 km / 46 mi	depth 10 km	Oct 12, 11:45 UTC
2.7	5 km ENE of Hydesville, CA	33 km / 21 mi	depth 21 km	Oct 5, 15:56 UTC

03 — Questions

Earthquakes in Arcata, answered

Was there an earthquake in Arcata today?

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

Are earthquakes common near Arcata?

Over the last five years there were 1,148 earthquakes of magnitude 2.5 or larger within 100 km of Arcata, an average of 230 a year. 151 occurred in the last 12 months. That is 34% below the five-year average.

What was the largest earthquake near Arcata in five years?

A magnitude 7.0 on Dec 5, 2024, 18:44 UTC, 96 km (60 mi) SW of Arcata, at a depth of 10 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 Oct 26, 2026, 07:41 UTC. Source: USGS.

04 — Nearby

Nearby places

05 — Embed

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