Analysis On Hibok-Hibok Volcano- History And Eruptions

CAMIGUIN POLYTECHNIC STATE COLLEGE Mambajao, Camiguin Analysis on Hibok-Hibok Volcano: History and Eruptions Hibok-Hibok volcano, also known as Catarman, is the youngest and only historically active stratovolcano in Camiguin, Philippines. Rising to approximately 1,332 meters with a base diameter of 10 kilometers, it is situated about 6 km northwest of Mt. Mambajao. This dome-shaped volcanic complex is composed of andesitic to rhyolitic materials (Castillo et al., 1999). The volcano features sharp-edged ridges formed by previous magma flows and boasts six summit hot springs: Ardent Spring, Bugong, Tagdo, Tangob, Naasag, and Kiyab. Eruptions over the years have formed the Kanangkaan, Itum, and Ilihan Craters, which were originally small cracks at the peak. The 1871 eruption notably caused lava flows that hardened into bowl shapes, later filling with water (Neri et al., 2010). Numerous steam vents and outlets are observed on the volcanos sides and apex. Recognized as a major natural landmark in Central Mindanao, Mt. Hibok-Hibok was declared an ASEAN Heritage Park in 2015. Fig. 1. Steam Vents and Fumaroles on the Slopes of Mt. Hibok-Hibok. Early Formation and Activity The initial formation of Mt. Hibok-Hibok remains undocumented, but it is inferred that Camiguin volcanoes formed parallel to the Central Mindanao