Global Ionospheric Map
The animation below summarizes the global state of the ionosphere on the last UTC day. The maps are generated using GPS and Galileo data from the stations shown, at a 15-minute and 1x1-degree resolution. The size of the station dots is proportional to the corresponding RMS residual.
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2022 Hunga Volcano Eruption
The Hunga volcano on the islands of Hunga Tonga and Hunga Ha’apai erupted on January 15, 2022, producing the largest ionospheric signal ever observed. Atmospheric waves produced by the eruption circled the globe several times.
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2012 Haida Gwaii Tsunami
On October 27, 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.
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2017 Geomagnetic Storm
On September 7-8, 2017, a severe geomagnetic storm (Kp ~8) triggered severe ionospheric disturbances. These disturbances caused severe disruptions in satellite navigation and radio communication, and are visible in the noise in TEC time series around the world.
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