Mayonvolcano is a beautifully symmetrical volcano with a steep upper slope of 35-40° and is capped by a small summit crater.
Mayon eruptions produce lava flows, pyroclastic flows and mud flows which threaten populations at the base of the volcano.
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Mayonvolcano, in SE Luzon, is the most active volcano in the Philippines.
Mayon's frequent historical eruptions, recorded since 1616, have typically included powerful explosive activity accompanied by pyroclastic flows, mudflows, and lava flows that descended to the lower flanks of the volcano.
Moore, J.G., and Melson, W.G., 1969, Nuee ardentes of the 1968 eruption of Mayonvolcano, Philippines: Bulletin of Volcanology, v.