The document discusses volcanoes found in the Philippine archipelago. There are several volcanic belts distributed throughout the country that contain many active volcanoes. Some of the most active volcanoes with short repose periods mentioned are Mayon, Taal, Bulusan, Canlaon, Hibok-Hibok, and Pinatubo. Details are provided on the characteristics and eruptions of Taal, Mayon, Bulusan, Canlaon, and Pinatubo volcanoes.