Mt. Pinatubo Eruption, 1991
- Offers a collection of photographs of the volcano and damage done to buildings, geological history, and global effects.
- http://en.wikipedia.org/wiki/Mount_Pinatubo

Pinatubo Volcano: "The Sleeping Giant Awakens"
- Gateway for information about the mountain's lore, pre-eruption manifestations, accounts of the 1991 eruption, and the aftermath.
- http://park.org/Philippines/pinatubo/

Photos of the Devastation on Base from the Mount Pinatubo Eruption
- A collection of photographs of damage caused by the 1991 eruption to the now-closed U.S. Naval Base at Subic Bay, Philippines.
- http://www.subicbaypi.com/subic_pinatubo_base.htm

The Eruption of Mt. Pinatubo Archives
- Photographs, scanned newspaper and magazine articles, and video clips covering the 1991 eruption. From the Wagner High School (Clark Air Force Base) Alumni site.
- http://www.whoa.org/pinatubo/

Volcano World: Pinatubo, Philippines
- General information and photographs from the 1991-1992 eruption, as well as links to additional images and resources. Sponsored by the University of North Dakota.
- http://volcano.und.nodak.edu/vwdocs/volc_images/southeast_asia/philippines/pinatubo.html

Fire and Mud
- U.S. Geological Survey online book about the eruptions and lahars of Mount Pinatubo, Philippines.
- http://pubs.usgs.gov/pinatubo/

Mount Pinatubo
- Maps, images, background information, and eruption information from the USGS Cascades Volcano Observatory.
- http://vulcan.wr.usgs.gov/Volcanoes/Philippines/Pinatubo/