Monday, June 1

• 2.2M Earthquake 9 Kilometers West of Petrolia

Sunday, May 31

• 1.5M Earthquake 15 Kilometers Southeast of Petrolia
• 2.0M Earthquake 14 Kilometers West of Petrolia

Thursday, May 28

• 2.1M Earthquake 18 Kilometers West of Petrolia
• 3.0M Earthquake 105 Kilometers West of Ferndale

Wednesday, May 27

• 2.4M Earthquake 18 Kilometers West of McKinleyville
• 2.2M Earthquake 8 Kilometers Southwest of McKinleyville
• 2.8M Earthquake 18 Kilometers Southwest of Petrolia

Monday, May 25

• 2.4M Earthquake 31 Kilometers West of Petrolia
• 3.2M Earthquake 29 Kilometers West of Petrolia
• 2.4M Earthquake 50 Kilometers West of Petrolia

Friday, May 22

• 2.0M Earthquake 14 Kilometers East of Weitchpec

Thursday, May 21

• 2.5M Earthquake 3 Kilometers East of Cutten
• 1.8M Earthquake 5 Kilometers Northwest of Arcata
• 3.9M Earthquake 70 Kilometers West of Petrolia

Tuesday, May 19

• 2.3M Earthquake 22 Kilometers West of Petrolia

Monday, May 18

• 2.3M Earthquake 6 Kilometers Southwest of Petrolia

Sunday, May 17

• 3.2M Earthquake 16 Kilometers Southeast of Rio Dell

Friday, May 15

• 2.3M Earthquake 42 Kilometers West of Petrolia

Wednesday, May 13

• 2.1M Earthquake 21 Kilometers Southeast of Redway

Tuesday, May 12

• 3.0M Earthquake 42 Kilometers West of Petrolia

Monday, May 11

• 2.4M Earthquake 22 Kilometers Southeast of Redway
• 2.7M Earthquake 22 Kilometers Southeast of Redway
• 1.2M Earthquake 22 Kilometers Southeast of Redway
• 1.9M Earthquake 22 Kilometers Southeast of Redway
• 3.2M Earthquake 22 Kilometers Southeast of Redway
• 2.3M Earthquake 6 Kilometers Northwest of Eureka
• 2.9M Earthquake 22 Kilometers Southeast of Redway
• 1.7M Earthquake 22 Kilometers Southeast of Redway
• 2.6M Earthquake 22 Kilometers Southeast of Redway
• 2.7M Earthquake 22 Kilometers Southeast of Redway
• 2.6M Earthquake 53 Kilometers West of Petrolia

Sunday, May 10

• 2.0M Earthquake 16 Kilometers Northeast of Hydesville
• 2.6M Earthquake 6 Kilometers Southwest of Petrolia

Friday, May 8

• 4.8M Earthquake 108 Kilometers Southwest of Crescent City
• 4.4M Earthquake 131 Kilometers Southwest of Crescent City
• 2.5M Earthquake 18 Kilometers West of Petrolia

Wednesday, May 6

• 2.3M Earthquake 20 Kilometers Southwest of Hayfork

Tuesday, May 5

• 1.6M Earthquake 22 Kilometers East of Hydesville

Monday, May 4

• 1.9M Earthquake 7 Kilometers Southwest of Petrolia
• 2.7M Earthquake 16 Kilometers Southwest of McKinleyville

Thursday, April 30

• 3.7M Earthquake 23 Kilometers West of Petrolia
• 2.3M Earthquake 24 Kilometers Southwest of Petrolia
• 2.3M Earthquake 16 Kilometers West of Petrolia
• 2.1M Earthquake 20 Kilometers Northwest of Petrolia
• 2.7M Earthquake 49 Kilometers West of Petrolia

Monday, April 27

• 2.0M Earthquake 10 Kilometers West of Hayfork

Sunday, April 26

• 2.6M Earthquake 42 Kilometers Northwest of Trinidad

Saturday, April 25

• 2.0M Earthquake 3 Kilometers Southwest of Ferndale
• 1.9M Earthquake 33 Kilometers Northwest of Ferndale