Mount Apo, a reticent stratovolcano near Davao City, the third largest city in the Philippines. Credit: Robert Anton Pimentel Aparente, CC BY-SA 4.0

Mount Apo, a reticent stratovolcano near Davao City, the third largest city in the Philippines. Credit: Robert Anton Pimentel Aparente, CC BY-SA 4.0

Mount Apo, a reticent stratovolcano near Davao City, the third largest city in the Philippines. Credit: Robert Anton Pimentel Aparente, CC BY-SA 4.0

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Alka Tripathy-Lang, PhD

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
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