Mt. Suiro

Mount Suiro is a 2,495 ft / 761 m mountain peak in Caibiran, Biliran, Philippines. Based on peakery data, it ranks as the 831st highest mountain in Philippines.

Mt. Suiro, the tallest mountain on Biliran Island located in the vicinity of Caibiran and Cabucgayan, as viewed from the Caibiran short cut road. Now a dormant volcano, it erupted in 1939.

Mt. Suiro, the tallest mountain on Biliran Island located in the vicinity of Caibiran and Cabucgayan, as viewed from the Caibiran short cut road. Now a dormant volcano, it erupted in 1939.

The description fits Mt. Suiro (Surio in the GVP website) in Caibiran town, the tallest peak southeast of the island, which became dormant after 1939.

An unnamed Internet blogger said that the 1939 eruption was from the crater and that it caused an avalanche of debris and 6.35 cm. thick ashfall at Caibiran and adjoining areas.

The known volcanic eruptions in Biliran in 1669, 1800 and 1939 present a pattern that such event occurs in the island every 130 years or so. Thus, the next eruption could possibly happen decades from now in 2069, but not in 2007.

Biliran Island has many thermal, mud pools and hot springs such as in Catmon, Libtong in Naval and the Mainit Hot Spring in Brgy. Villa Vicenta, Caibiran that have become popular tourist attractions in Eastern Visayas.

Mt. Suiro Trivia

Mt. Panamao erupted around 1669, not in 1939. The second recorded eruption in Biliran Island during historic time was around 1800, or 131 years later, and the volcano’s mouth was in the vicinity of the present drilling site of Biliran Geothermal, Inc., then called Tinago. The third volcanic eruption in the island was in 1939, or 139 years from the second one, and its mouth was in Mt. Suiro in Caibiran. – Prof. Rolando Borrinaga

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