How to Navigate

Draw rectangle on map to select stations, zoom in/out to focus on regions, then click on the station in the sidebar to see realtime slant TEC.

Legend

GPS

GPS

GLONASS

GLONASS

GALILEO

GALILEO

BEIDOU

BEIDOU

Earthquake

Earthquake

USGS Tsunami Watch

USGS Tsunami Watch

GDGPS Station

GDGPS Station

About 2012 Haida Gwaii Tsunami

On October 28, 2012 an earthquake of moment magnitude 7.8 occurred on the Haida Gwaii archipelago off the west coast of Canada. A tsunami alert was issued in the US State of Hawaii and over 100,000 people were evacuated. Gravity waves from the tsunami reached the ionosphere hours before the tsunami reached the coast of Hawaii.

link to GDGPS

Powered by the JPL Global Differential GPS (GDGPS) System