Last time, I mentioned that what hit Mocoa, Colombia were not floods or mudflows, but debris flows. But what exactly… Read more What are debris flows?
(Image above: False color composite generated from Sentinel-2 data draped over Google Earth terrain) Although I’ve been to several volcanoes… Read more Mayon Volcano lava flows
Mayon Volcano, the most active volcano in the Philippines, is erupting again. The activity started last January, and it’s still… Read more Mayon Volcano
Last week, a deadly Mw 6.4 earthquake struck Hualien, Taiwan, killing dozens of people. The image is an interferogram processed… Read more InSAR image of the Mw 6.4 2018 Taiwan earthquake
Mt. Agung, a volcano in Bali, Indonesia, has been experiencing unrest lately, and Indonesian officials fear that an eruption might… Read more Deformation in Mt. Agung, Indonesia detected by Sentinel-1
Photo above: At Inabanga, Bohol, where the ground rose about 3 meters. If you look closely, there’s a person among… Read more Bohol fault-finding