Sunday, Aug. 31, 2025

• 2.8M Earthquake 49 Kilometers West of Petrolia
• 1.4M Earthquake 27 km of Laytonville, CA

Friday, Aug. 29, 2025

• 1.9M Earthquake 26 Kilometers North of Laytonville

Monday, Aug. 25, 2025

• 2.1M Earthquake 15 Kilometers West of Petrolia

Sunday, Aug. 24, 2025

• 2.3M Earthquake 24 Kilometers Northwest of Humboldt Hill

Saturday, Aug. 23, 2025

• 2.3M Earthquake 21 Kilometers West of Petrolia

Friday, Aug. 22, 2025

• 2.7M Earthquake 50 Kilometers Northwest of Petrolia
• 3.7M Earthquake 44 Kilometers Northwest of Petrolia

Wednesday, Aug. 20, 2025

• 2.7M Earthquake 12 Kilometers West of Petrolia
• 1.5M Earthquake 17 Kilometers Southeast of Petrolia
• 2.4M Earthquake 20 Kilometers West of Petrolia

Tuesday, Aug. 19, 2025

• 1.6M Earthquake 4 Kilometers Southwest of Petrolia

Monday, Aug. 18, 2025

• 1.9M Earthquake 21 Kilometers West of Petrolia
• 2.8M Earthquake 76 Kilometers Northwest of Petrolia
• 2.1M Earthquake 14 Kilometers West of Petrolia
• 2.3M Earthquake 45 Kilometers West of Petrolia
• 2.0M Earthquake 36 Kilometers West of Hayfork

Sunday, Aug. 17, 2025

• 2.0M Earthquake 12 Kilometers West of Petrolia

Saturday, Aug. 16, 2025

• 1.7M Earthquake 21 Kilometers West of Petrolia
• 2.3M Earthquake 18 Kilometers Southwest of Ferndale
• 3.6M Earthquake 27 Kilometers West of Petrolia
• 2.4M Earthquake 68 Kilometers Northwest of Petrolia
• 2.6M Earthquake 34 Kilometers West of Petrolia

Friday, Aug. 15, 2025

• 2.7M Earthquake 71 Kilometers Northwest of Petrolia
• 1.8M Earthquake 17 Kilometers West of Petrolia

Thursday, Aug. 14, 2025

• 1.9M Earthquake 21 Kilometers West of Ferndale
• 1.6M Earthquake 20 Kilometers West of Petrolia
• 2.6M Earthquake 22 Kilometers Southwest of Petrolia
• 2.3M Earthquake 29 Kilometers Northeast of Redway

Tuesday, Aug. 12, 2025

• 2.5M Earthquake 18 Kilometers Southeast of Petrolia

Monday, Aug. 11, 2025

• 3.0M Earthquake 82 Kilometers Northwest of Petrolia

Sunday, Aug. 10, 2025

• 1.8M Earthquake 10 Kilometers West of Petrolia

Saturday, Aug. 9, 2025

• 2.3M Earthquake 36 Kilometers South of Willow Creek

Thursday, Aug. 7, 2025

• 2.6M Earthquake 232 Kilometers West of Crescent City

Tuesday, Aug. 5, 2025

• 2.9M Earthquake 19 Kilometers West of Petrolia
• 3.4M Earthquake 161 Kilometers West of Ferndale

Monday, Aug. 4, 2025

• 2.2M Earthquake 18 Kilometers Northwest of Petrolia

Sunday, Aug. 3, 2025

• 2.5M Earthquake 6 km of Ferndale, CA
• 2.0M Earthquake 10 Kilometers East of Petrolia
• 3.5M Earthquake 59 Kilometers Northwest of Bayview
• 3.5M Earthquake 103 Kilometers West of Trinidad

Saturday, Aug. 2, 2025

• 2.6M Earthquake 14 Kilometers Southwest of Crescent City
• 2.3M Earthquake 34 Kilometers West of Petrolia
• 1.9M Earthquake 4 Kilometers Southwest of Fortuna

Friday, Aug. 1, 2025

• 2.5M Earthquake 50 Kilometers West of Petrolia
• 2.2M Earthquake 4 Kilometers East of Arcata
• 3.0M Earthquake 15 Kilometers Southeast of Pine Hills

Thursday, July 31, 2025

• 1.9M Earthquake 23 Kilometers Northwest of Trinidad

Wednesday, July 30, 2025

• 1.9M Earthquake 14 Kilometers West of Petrolia
• 2.3M Earthquake 8 Kilometers Northeast of Shelter Cove