Lahars of Mount Pinatubo, Philippines
Fact Sheet
114-97
By: Christopher G. Newhall, Peter H. Stauffer, and James W. Hendley II
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Abstract
On June 15, 1991, Mount Pinatubo in the Philippines exploded in the second largest volcanic eruption on Earth this century. This eruption deposited more than 1 cubic mile (5 cubic kilometers) of volcanic ash and rock fragments on the volcano's slopes. Within hours, heavy rains began to wash this material down into the surrounding lowlands in giant, fast-moving mudflows called lahars. In the next four rainy seasons, lahars carried about half of the deposits off the volcano, causing even more destruction in the lowlands than the eruption itself.
Suggested Citation
Newhall, C.G., Stauffer, P.H., and Hendley, J.W., 1997, Lahars of Mount Pinatubo, Philippines (Version 1.1): U.S. Geological Survey Fact Sheet 114-97, 1 sheet [2 p.]: ill., map ; 28 cm., https://doi.org/10.3133/fs11497.
ISSN: 2327-6932 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Lahars of Mount Pinatubo, Philippines |
| Series title | Fact Sheet |
| Series number | 114-97 |
| DOI | 10.3133/fs11497 |
| Edition | Version 1.1 |
| Year Published | 1997 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Contributing office(s) | Volcano Hazards Program |
| Description | 1 sheet [2 p.]: ill., map ; 28 cm. |
| Online Only (Y/N) | Y |