
Wednesday, June 4
- 1.5M Earthquake 15 Kilometers West of Petrolia
- 2.7M Earthquake 33 Kilometers West of Petrolia
- 1.6M Earthquake 6 Kilometers Southwest of Petrolia
Sunday, June 1
Friday, May 30
Thursday, May 29
- 1.6M Earthquake 11 Kilometers Southwest of Redway
- 2.0M Earthquake 5 Kilometers Northwest of Humboldt Hill
- 1.5M Earthquake 6 Kilometers Southwest of Petrolia
- 4.0M Earthquake 141 Kilometers Northwest of Petrolia
- 2.4M Earthquake 46 Kilometers Northwest of Petrolia
Wednesday, May 28
- 2.7M Earthquake 160 Kilometers West of Ferndale
- 2.3M Earthquake 88 Kilometers West of Petrolia
- 1.8M Earthquake 16 Kilometers Southwest of Petrolia
- 2.3M Earthquake 3 Kilometers Northwest of Humboldt Hill
- 2.2M Earthquake 8 Kilometers Southwest of Petrolia
Tuesday, May 27
- 2.6M Earthquake 52 Kilometers Northwest of Petrolia
- 2.9M Earthquake 66 Kilometers Northwest of Petrolia
- 2.4M Earthquake 29 Kilometers West of Petrolia
Monday, May 26
- 2.3M Earthquake 17 Kilometers Southwest of Hayfork
- 2.3M Earthquake 17 Kilometers West of Petrolia
- 2.4M Earthquake 23 Kilometers West of Petrolia
- 2.3M Earthquake 24 Kilometers West of Petrolia
- 3.0M Earthquake 22 Kilometers West of Petrolia
- 3.2M Earthquake 20 Kilometers West of Petrolia
- 2.5M Earthquake 20 Kilometers West of Petrolia
- 2.9M Earthquake 14 Kilometers Southwest of Petrolia
- 4.4M Earthquake 51 Kilometers West of Shelter Cove
- 2.5M Earthquake 22 Kilometers West of Petrolia
Sunday, May 25
- 2.9M Earthquake 19 Kilometers West of Petrolia
- 2.3M Earthquake 28 Kilometers East of Willow Creek
- 4.1M Earthquake 39 Kilometers Northwest of Petrolia
Saturday, May 24
Thursday, May 22
Wednesday, May 21
Sunday, May 18
Friday, May 16
- 3.6M Earthquake 37 Kilometers West of Petrolia
- 2.9M Earthquake 19 Kilometers West of Petrolia
- 3.0M Earthquake 25 Kilometers West of Petrolia
- 2.5M Earthquake 35 Kilometers West of Petrolia
- 2.5M Earthquake 33 Kilometers West of Petrolia
- 2.3M Earthquake 56 Kilometers West of Petrolia
- 3.0M Earthquake 32 Kilometers West of Petrolia
- 2.8M Earthquake 34 Kilometers West of Petrolia
Wednesday, May 14
Tuesday, May 13
- 1.9M Earthquake 11 Kilometers West of Petrolia
- 2.6M Earthquake 7 Kilometers Northwest of Willow Creek
- 2.0M Earthquake 16 Kilometers Southwest of Ferndale