Photo: Tonga Meteorological Services, Government of Tonga

GNSS shows how volcanic eruptions cause ionospheric disruptions

February 14, 2022

On Jan. 15, Hunga-Tonga-Hunga-Ha’apai, an uninhabited volcanic island on the Tongan archipelago in the South Pacific Ocean, erupted […]

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This article is tagged with GUARDIAN, ionosphere, Jet Propulsion Laboratory, JPL, Larry Romans, Leo Martire, Panagiotis Vergados, Siddharth Krishnamoorthy, Tonga, Tonga eruption, Tracking Systems and Application Section, tsunami warning system, volcanic eruption, volcano and posted in Featured Stories, Latest News, Space & Earth

Photo: NASA

Land ho! Uncharted island ahead

March 29, 2019

A new island near Tonga has officially been surveyed, courtesy of Goddard NASA scientist Dan Slayback. Most new […]

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This article is tagged with Dan Slayback, drone survey, GPS survey, island formation, NASA, NASA scientists, Sea Education Association, Tonga, uncharted island and posted in Featured Stories, Opinions