Update: Mayon satellite observation

A bit of a good news on Mayon: PHIVOLCS has lowered the alert level to Alert Level 3. Hopefully, things will go back to normal and all those affected will be able to go back to their homes. In the meantime, here are two of the latest satellite images of Mayon from Sentinel 2 since... Continue Reading →

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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 →

Mining flood height data from social media

I think we can all agree that social media is a gold mine of data; one particularly underutilized area is extracting hazards-related data and making it useful for analysis. Last September 12, two typhoons almost simultaneously crossed the Philippines bringing heavy rains in many parts of the country. This caused floods in many different areas.... Continue Reading →

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