Category Archives: Earthquake

Cascade seismograms – update

I have updated the seismogram pages now and apologise for the long gap in updates! Mount St Helens is a problem. VALT is just about useless with only 3 days in June and 1 in July, and JUN on St … Continue reading

Posted in Activity Report, Cascadia, Earthquake | Tagged , | Leave a comment

Magnitude 4.1 Vancouver Island. Canada region 01-Jun-12 (b000a49n)(271050)

See source attribution and disclaimer notice EMSC Earthquakes details pages See also the earlier Mag 4.1 mb

Posted in Cascadia, Earthquake | 1 Comment

Magnitude 4.1 Vancouver Island. Canada region 01-Jun-12 (b000a48m)

See source attribution and disclaimer notice USGS Earthquakes details pages Note: This was followed by a further Mag 4.1 a few hours later

Posted in Cascadia, Earthquake | Tagged , , | 1 Comment

Magnitude 2.1 Mount St. Helens area. Washington 15-May-12 (60418086)

See source attribution and disclaimer notice USGS Earthquakes details pages

Posted in Earthquake | Tagged , | Leave a comment

Magnitude 3.4 Washington 25-Jan-12 10:51 (Mt St Helens SZ)

See source attribution and disclaimer notice Link to USGS pages The link may not work after a few weeks. Magnitude 3.4 Date-Time Wednesday, January 25, 2012 at 10:51:30 UTC Wednesday, January 25, 2012 at 02:51:30 AM at epicenter Location 46.340°N, … Continue reading

Posted in Cascadia, Earthquake | Tagged , | Leave a comment

Magnitude 4.6 Washington 18-Nov-11 13:09

Link to USGS pages Earthquake Details This event has been reviewed by a seismologist. Magnitude 4.6 Date-Time Friday, November 18, 2011 at 13:09:00 UTC Friday, November 18, 2011 at 05:09:00 AM at epicenter Location 48.469°N, 119.607°W Depth 11.9 km (7.4 … Continue reading

Posted in Earthquake | Leave a comment