Wednesday, Oct. 18, 2023

• 2.4M Earthquake 19 Kilometers Southwest of Ferndale

Tuesday, Oct. 17, 2023

• 2.8M Earthquake 19 Kilometers East of Petrolia

Monday, Oct. 16, 2023

• 3.1M Earthquake 10 Kilometers Northwest of Humboldt Hill
• 3.1M Earthquake 19 Kilometers East of Petrolia
• 4.1M Earthquake 27 Kilometers West of Humboldt Hill
• 2.4M Earthquake 18 Kilometers Southeast of Rio Dell
• 4.9M Earthquake 18 Kilometers Southwest of Weott
• 4.8M Earthquake 19 Kilometers East of Petrolia

Sunday, Oct. 15, 2023

• 1.6M Earthquake 7 Kilometers West of Petrolia

Friday, Oct. 13, 2023

• 2.8M Earthquake 70 Kilometers West of Petrolia

Tuesday, Oct. 10, 2023

• 1.5M Earthquake 6 Kilometers Southwest of Petrolia

Friday, Oct. 6, 2023

• 2.1M Earthquake 27 Kilometers Southeast of Hydesville
• 2.0M Earthquake 17 Kilometers Southeast of Willow Creek

Thursday, Oct. 5, 2023

• 2.0M Earthquake 13 Kilometers Southwest of Ferndale
• 2.6M Earthquake 12 Kilometers Northwest of Trinidad

Wednesday, Oct. 4, 2023

• 2.1M Earthquake 7 Kilometers East of Hydesville

Tuesday, Oct. 3, 2023

• 2.9M Earthquake 4 Kilometers South of Westhaven-Moonstone

Sunday, Oct. 1, 2023

• 1.4M Earthquake 2 Kilometers Southwest of Petrolia
• 3.6M Earthquake 3 Kilometers South of Petrolia
• 4.2M Earthquake 26 Kilometers Southwest of Scotia
• 3.9M Earthquake 3 Kilometers South of Petrolia

Saturday, Sept. 30, 2023

• 2.0M Earthquake 22 Kilometers Southwest of Ferndale
• 2.1M Earthquake 18 Kilometers Southwest of Ferndale
• 4.2M Earthquake 15 Kilometers Southwest of Ferndale
• 4.9M Earthquake off the coast of Northern California
• 3.7M Earthquake 98 Kilometers West of Petrolia
• 4.8M Earthquake 3 Kilometers Southeast of Ferndale
• 4.7M Earthquake 3 Kilometers Southwest of Ferndale

Wednesday, Sept. 27, 2023

• 1.5M Earthquake 4 Kilometers South of Redway

Tuesday, Sept. 26, 2023

• 3.4M Earthquake 28 Kilometers South of Willow Creek

Sunday, Sept. 24, 2023

• 1.7M Earthquake 11 Kilometers Northwest of Petrolia

Saturday, Sept. 23, 2023

• 2.1M Earthquake 2 Kilometers Northwest of Humboldt Hill

Friday, Sept. 22, 2023

• 2.4M Earthquake 26 Kilometers Northwest of Petrolia
• 2.1M Earthquake 14 Kilometers Northwest of Petrolia

Thursday, Sept. 21, 2023

• 2.4M Earthquake 17 Kilometers Southeast of Bayside
• 2.0M Earthquake 3 Kilometers Southeast of Fortuna

Tuesday, Sept. 19, 2023

• 2.9M Earthquake 2 Kilometers South of Arcata

Monday, Sept. 18, 2023

• 3.3M Earthquake 77 Kilometers West of Petrolia

Saturday, Sept. 16, 2023

• 2.3M Earthquake 30 Kilometers Northwest of Ferndale

Friday, Sept. 15, 2023

• 1.5M Earthquake 10 Kilometers Southeast of Rio Dell

Wednesday, Sept. 13, 2023

• 2.3M Earthquake 4 Kilometers Southeast of Redway

Sunday, Sept. 10, 2023

• 2.3M Earthquake 29 Kilometers Northwest of Hayfork

Thursday, Sept. 7, 2023

• 3.2M Earthquake 13 Kilometers South of Redway

Wednesday, Sept. 6, 2023

• 1.6M Earthquake 4 Kilometers East of McKinleyville
• 1.6M Earthquake 14 Kilometers North of Petrolia

Tuesday, Sept. 5, 2023

• 2.4M Earthquake 6 Kilometers East of Pine Hills
• 2.0M Earthquake 13 Kilometers Southeast of Petrolia

Monday, Sept. 4, 2023

• 1.6M Earthquake 4 Kilometers Northwest of Hydesville

Saturday, Sept. 2, 2023

• 2.0M Earthquake 9 Kilometers Southwest of Ferndale

Thursday, Aug. 31, 2023

• 1.8M Earthquake 16 Kilometers West of Petrolia