Mag Location Age

2.9

8km SE of Pine Hills, CA
2 h

2.1

5km SW of Stony Gorge Reservoir, CA
7 h

0.0

2.3 km from Newberry Caldera, OR
10 h

0.3

2.1 km from Newberry Caldera, OR
10 h

1.8

4.3 km from Hanford-200E, WA
13 h

2.6

14km WSW of La Porte, CA
14 h

1.0

22.2 km from Longview, WA
17 h

0.5

0.7 km from Mt St Helens, WA
20 h

1.7

6.3 km from Bremerton, WA
21 h

0.6

22.0 km from Longview, WA
21 h

1.8

21.9 km from Longview, WA
21 h

2.9

63km W of Petrolia, CA
1 d

2.3

80.2 km from Diablo, WA
1 d

0.8

19.8 km from Mt Rainier, WA
1 d

0.5

19.5 km from Mt Rainier, WA
1 d

0.2

16.5 km from Mt St Helens, WA
1 d

2.9

11km NNE of Petrolia, CA
1 d

2.5

20.4 km from Crescent City, CA
2 d

0.4

17.3 km from Morton, WA
2 d

2.4

64.4 km from Hope, BC
2 d

1.1

3.1 km from Mt Rainier, WA
2 d

1.1

10.0 km from Maple Valley, WA
2 d

1.3

15.0 km from Mt Rainier, WA
3 d

0.2

15.9 km from Mt St Helens, WA
3 d

0.4

0.9 km from Mt St Helens, WA
3 d

1.0

9.0 km from Monroe, WA
3 d

0.1

0.4 km from Mt St Helens, WA
3 d

2.8

106km W of Rockaway Beach, OR
3 d

0.6

0.4 km from Mt Rainier, WA
3 d
Ml=4.6 Monroe Earthquake of July 12, 2019
Additional Info is available for this earthquake, via its event page.
Typical Mount Hood Earthquake Swarm
The swarm that started late on July 7 really got hopping on July 9 at about 9am PDT (16:00Z). Thi...
An updated tremor monitoring system
A completely redesigned tremor location program and web interface is now available. The hourly tr...