Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Episode 43 at the summit of Kīlauea volcano on the Big Island began at 9:17 a.

The well-known Mount Kīlauea Volcano erupted for the 43rd time on Tuesday in Hawaii, and people in the area are being advised to take protective measures from ashfall.

From the rice paddies of South Asia to the wheat fields of northern China, summer monsoon rains sustain the livelihoods of billions. Yet these vital rains fluctuate dramatically from decade to decade—a variability that has long puzzled climate scientists.

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Guatemala's Volcano of Fire is erupting, prompting authorities to evacuate nearly 300 families and warn that an additional 30,000 people in the area could be at risk. The eruption of "Volcan de Fuego" began overnight, with no immediate reports of casualties.

July 15, 2013— -- A kid throwing a temper tantrum and a volcanic eruption have a lot in common. Both are preceded by a low pitched whine that immediately informs either a geologist or a parent that something is amiss. That sound gets higher and higher ...