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Africa's Nabro Eruption Mellows
Credit: NASA/Jesse Allen, Robert Simmon

After nearly a week of explosive activity, Eritrea's Nabro Volcano seems to be evolving into a milder, more effusive eruption.

By June 19th, the maximum altitude of Nabro's ash plume dropped from a maximum of 45,000 feet (14,000 meters) to 25,000 feet (7,600 meters), according to the Joint Air Force & Army Weather Information Network. The shrinking plume revealed a 15-kilometer (9.3-mile) long lava flow, visible in this thermal infrared, false-color satellite image.