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.

Tuesday, April 21

• 1.8M Earthquake 10 Kilometers Southeast of Redway
• 3.4M Earthquake 51 Kilometers West of Petrolia

Monday, April 20

• 2.5M Earthquake 19 Kilometers Southwest of Petrolia
• 2.7M Earthquake 84 Kilometers West of Petrolia
• 3.7M Earthquake 62 Kilometers West of Petrolia
• 2.7M Earthquake 61 Kilometers West of Petrolia
• 4.7M Earthquake 57 Kilometers West of Petrolia

Saturday, April 18

• 2.8M Earthquake 25 Kilometers West of Petrolia
• 1.6M Earthquake 6 Kilometers Southwest of Petrolia

Friday, April 17

• 2.1M Earthquake 7 Kilometers East of Fortuna

Wednesday, April 15

• 2.5M Earthquake 21 Kilometers East of Petrolia
• 1.8M Earthquake 24 Kilometers Southwest of Petrolia

Tuesday, April 14

• 2.1M Earthquake 19 Kilometers East of Hydesville

Sunday, April 12

• 2.0M Earthquake 14 Kilometers Northwest of Trinidad

Saturday, April 11

• 3.4M Earthquake 28 Kilometers Northwest of Trinidad
• 2.2M Earthquake 13 Kilometers Southwest of Petrolia
• 2.0M Earthquake 13 Kilometers Southwest of Ferndale

Friday, April 10

• 2.1M Earthquake 22 Kilometers Northwest of Petrolia

Tuesday, April 7

• 1.4M Earthquake 5 Kilometers Northwest of Redway

Sunday, April 5

• 1.6M Earthquake 7 Kilometers Southeast of Redway

Friday, April 3

• 2.9M Earthquake 10 Kilometers Northeast of Petrolia

Wednesday, April 1

• 2.4M Earthquake 106 Kilometers West of Petrolia

Tuesday, March 31

• 2.2M Earthquake 9 Kilometers West of Rio Dell
• 2.7M Earthquake 54 Kilometers West of Petrolia

Monday, March 30

• 3.4M Earthquake 25 Kilometers West of Petrolia
• 2.5M Earthquake 19 Kilometers Southwest of Ferndale

Sunday, March 29

• 1.8M Earthquake 33 Kilometers Southwest of Hayfork

Saturday, March 28

• 0.8M Earthquake 16 Kilometers Southeast of Blue Lake

Friday, March 27

• 2.6M Earthquake 26 Kilometers West of Petrolia

Wednesday, March 25

• 2.5M Earthquake 105 Kilometers Northwest of Bayview
• 1.9M Earthquake 13 Kilometers Southwest of Petrolia
• 3.9M Earthquake 132 Kilometers West of Petrolia
• 3.4M Earthquake 163 Kilometers West of Ferndale

Tuesday, March 24

• 2.3M Earthquake 60 Kilometers West of Ferndale

Saturday, March 21

• 2.9M Earthquake 69 Kilometers West of Petrolia
• 1.8M Earthquake 9 Kilometers Southwest of Petrolia

Friday, March 20

• 3.3M Earthquake 16 Kilometers Northeast of Hydesville
• 3.0M Earthquake 48 Kilometers West of Petrolia
• 3.7M Earthquake 97 Kilometers West of Petrolia

Thursday, March 19

• 2.0M Earthquake 22 Kilometers Southwest of Petrolia

Wednesday, March 18

• 1.7M Earthquake 18 Kilometers Southeast of Petrolia
• 2.6M Earthquake 4 Kilometers Northeast of Petrolia

Tuesday, March 17

• 3.0M Earthquake 226 Kilometers West of Ferndale
• 2.5M Earthquake 20 Kilometers Northeast of Willow Creek
• 3.7M Earthquake 25 Kilometers West of Petrolia
• 2.3M Earthquake 14 Kilometers Southwest of Petrolia
• 2.7M Earthquake 11 Kilometers West of Petrolia

Monday, March 16

• 2.0M Earthquake 8 Kilometers East of Hydesville

Sunday, March 15

• 3.3M Earthquake 12 Kilometers Southwest of Rio Dell
• 2.8M Earthquake 30 Kilometers West of Petrolia