Here are the locations of the last 50 earthquakes to occur in Humboldt over 1.5 in magnitude. Scroll down to the bottom for the 50 before that.

Wednesday, Oct. 8

• 2.2M Earthquake 21 Kilometers Northwest of Hayfork

Tuesday, Oct. 7

• 2.5M Earthquake 15 Kilometers Southwest of Petrolia

Monday, Oct. 6

• 2.0M Earthquake 17 Kilometers Southeast of Petrolia
• 1.6M Earthquake 17 Kilometers Southeast of Petrolia

Sunday, Oct. 5

• 2.6M Earthquake 52 Kilometers West of Ferndale

Wednesday, Oct. 1

• 2.8M Earthquake 24 Kilometers East of Willow Creek

Tuesday, Sept. 30

• 2.1M Earthquake 45 Kilometers Northwest of Ferndale

Sunday, Sept. 28

• 2.7M Earthquake 19 Kilometers West of Petrolia

Thursday, Sept. 25

• 2.7M Earthquake 147 Kilometers West of Ferndale

Tuesday, Sept. 23

• 1.4M Earthquake 15 Kilometers Southeast of Petrolia

Monday, Sept. 22

• 2.4M Earthquake 13 Kilometers West of Petrolia

Saturday, Sept. 20

• 1.8M Earthquake 21 Kilometers Northwest of Petrolia

Friday, Sept. 19

• 2.9M Earthquake 22 Kilometers Southeast of Somes Bar
• 1.9M Earthquake 22 Kilometers West of Petrolia

Thursday, Sept. 18

• 1.9M Earthquake 6 Kilometers West of Petrolia
• 2.4M Earthquake 13 Kilometers West of Petrolia
• 2.3M Earthquake 16 Kilometers South of Rio Dell
• 2.2M Earthquake 21 Kilometers West of Petrolia

Wednesday, Sept. 17

• 2.5M Earthquake 20 Kilometers West of Petrolia
• 2.4M Earthquake 43 Kilometers West of Petrolia
• 1.9M Earthquake 21 Kilometers Southeast of Petrolia
• 2.3M Earthquake 21 Kilometers West of Petrolia

Tuesday, Sept. 16

• 1.9M Earthquake 18 Kilometers Southwest of Ferndale
• 1.9M Earthquake 19 Kilometers West of Petrolia

Monday, Sept. 15

• 1.8M Earthquake 14 Kilometers Northwest of Petrolia
• 1.6M Earthquake 10 Kilometers Southwest of Petrolia

Sunday, Sept. 14

• 3.0M Earthquake 18 Kilometers West of Ferndale
• 2.8M Earthquake 18 Kilometers West of Ferndale

Saturday, Sept. 13

• 1.6M Earthquake 5 Kilometers Southwest of Petrolia
• 1.8M Earthquake 17 Kilometers Southwest of Ferndale
• 2.1M Earthquake 18 Kilometers Southwest of Ferndale
• 2.0M Earthquake 43 Kilometers Northwest of Petrolia

Friday, Sept. 12

• 2.1M Earthquake 25 Kilometers Northwest of Hayfork

Thursday, Sept. 11

• 3.2M Earthquake 71 Kilometers Northwest of Petrolia
• 1.9M Earthquake 14 Kilometers West of Petrolia
• 1.7M Earthquake 11 Kilometers Southwest of Willow Creek
• 2.9M Earthquake 45 Kilometers Northwest of Petrolia

Wednesday, Sept. 10

• 2.5M Earthquake 26 Kilometers West of Petrolia
• 1.4M Earthquake 10 Kilometers West of Petrolia
• 2.5M Earthquake 21 Kilometers West of Petrolia
• 2.9M Earthquake 77 Kilometers Northwest of Petrolia

Tuesday, Sept. 9

• 1.4M Earthquake 25 Kilometers Northwest of Covelo
• 3.9M Earthquake 74 Kilometers Southwest of Ferndale
• 3.9M Earthquake 54 Kilometers West of Petrolia
• 1.8M Earthquake 14 Kilometers Northwest of Petrolia
• 3.6M Earthquake 10 Kilometers Southeast of Willow Creek
• 2.2M Earthquake 16 Kilometers West of Petrolia
• 1.7M Earthquake 17 Kilometers Northwest of Petrolia
• 2.0M Earthquake 22 Kilometers West of Petrolia
• 3.7M Earthquake 21 Kilometers West of Petrolia