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Ontake Erupts

September 27, 2014
September 28, 2014

Mount Ontake, a towering Japanese stratovolcano about 200 kilometers (125 miles) west of Tokyo, erupted unexpectedly on September 27, 2014. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua and Terra satellites captured these views of gas and steam rising from the volcano on September 27 (top) and September 28 (bottom). Early reports suggest this may have been a steam-driven phreatic eruption. Such eruptions can cause underground water to boil and flash to steam, generating explosions of steam, water, and ash with little warning. As many as 36 hikers are presumed dead, according to media reports.

NASA image courtesy Jeff Schmaltz, LANCE MODIS Rapid Response Team at NASA GSFC. Caption by Adam Voiland.

Land Volcanoes

In September 2014, an unexpected eruption proved deadly for dozens of hikers on Japan’s Mount Ontake.

Instruments:
Aqua — MODIS
Terra — MODIS
Appears in this Collection:
MODIS Rapid Response

References & Resources

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