Lewotobi Laki-Laki volcano erupts in Indonesia, sending ash 8 km into the sky, disrupting Bali flights, and triggering the ...

But you may have heard less about lahars -- fast-moving mudflows that emerge from volcanoes. Seattle-based narrative journalist Wudan Yan has written about lahars for Popular Mechanics ...

but lahars-destructive mudflows that can engulf entire towns within minutes. Unlike traditional volcanic eruptions, lahars-fast-moving flows of water, volcanic debris, and rock-are the biggest ...

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

When this volcano eventually blows, it won't be lava flows or choking clouds of ash that threaten surrounding cities, but lahars: violent, fast-moving mudflows that can tear across entire ...

MANILA, Philippines — State volcanologists warned Friday noon, February 21, that continuous heavy to intense rainfall from a weather system could generate dangerous volcanic mudflows around ...

and lahars or mudflows that could inundate drainages all sides of the volcano, but primarily on the south and east flanks,” according to observatory officials. Matt Haney, from the observatory ...

Researchers predict the most likely outcome of the unrest at Mt. Spurr is “one or more explosive events” that could last as long as a few hours and produce ash clouds carried for hundreds of miles.

Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...