The Moro Gulf Tsunami
- Illustrated article about the source and impacts of the August 1976 magnitude earthquake on the island of Mindanao and the resulting tsunamis.
- http://www.drgeorgepc.com/Tsunami1976Phillipines.html

Taal Volcano
- Gives the location, history, hazards, geology, and petrology.
- http://www.iml.rwth-aachen.de/Petrographie/taal.html

Philippine Volcanos
- The history, eruptions, locations, and measurements of several volcanos, such as the Butusan, Canlaon, and Ragang volcano.
- http://www.park.org/Philippines/pinatubo/page9.html

Université de Savoie: Taal Volcano
- Discusses plate tectonics, the eruptive style, and hazards of this volcano.
- http://www.univ-savoie.fr/labos/lgit/PageHtml/AncienSitePageHtml/taal_volcano.html

Active and Inactive Volcanos
- History, significant eruptions, trivia, a glossary of terms, and a map of several active and inactive volcanos.
- http://hannover.park.org/Philippines/pinatubo/page8.html

Philippine Institute of Volcanology and Seismology
- Discusses earthquakes and volcanoes. Also provides information on the history, goals, objectives, and projects of this organization.
- http://www.phivolcs.dost.gov.ph/