Seismograms are shown latest first. All seismograms are ©IRIS/USGS.
(Return to Glacier Peak Seismograms main page)
These run from 01 April (2012.92) to 30 April (2012.121) Several images are missing. 107 – 109 inclusive, 118 is partial, 119 and 120 are missing and 121 is partial.
You can see the individual image by right clicking and showing in a new tab (Firefox) or when in the gallery view right click ‘Permalink’ and open in a new tab/window. Clicking an image starts the gallery. Clicking an image while in the gallery moves to the next image.