AOGS-EGU 2018 Joint Conference poster

This year's Joint AOGS-EGU Conference, with the theme "New Dimensions for Natural Hazards in Asia", was held here in the Philippines last February 4-8. I was able to present a poster about detecting co-seismic ground deformation using InSAR.


What are debris flows?

Last time, I mentioned that what hit Mocoa, Colombia were not floods or mudflows, but debris flows. But what exactly is a "debris flow?" This term isn't very well-known, at least in popular usage. Indeed, numerous reports describe the Mocoa tragedy as caused by either a mudflow, mudslide, or a landslide (which is technically correct,... Continue Reading →

Mayon Volcano lava flows

(Image above: False color composite generated from Sentinel-2 data draped over Google Earth terrain) Although I've been to several volcanoes and have studied and worked on volcanic deposits before, this is the first time I've seen an eruption in person. I posted photos from our trip to Mayon, where we tried to document the eruption,... Continue Reading →

Mayon Volcano

Mayon Volcano, the most active volcano in the Philippines, is erupting again. The activity started last January, and it's still continuing until now. Eruption types have ranged from Strombolian to Vulcanian. The volcano is continuously degassing, with some occasional lava fountaining. Here are some photos I took when got a chance to go there.

Mt. Pulag forest fire

A few weeks ago, a portion of Mt. Pulag National Park caught fire after a butane stove from one of the campers accidentally exploded. Hiking and camping in the park has since been suspended, and those responsible have been sued and threatened with an PhP18.4 million (US$ 350,000) fine plus possible jail time. Using Sentinel-2... Continue Reading →

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