Type:

Other

Description:

This web page provides a first person account of a geologist's encounter with a lahar while surveying the Nima II river near the town of El Palmar in Guatemala, on August 14, 1989. Lahar is an Indonesian term that describes a hot or cold mixture of water and rock fragments flowing down the slopes of a volcano and (or) river valleys. While about 15 kilometers downstream from an active lava dome, Santiaguito (which is in the Santa Maria Volcano crater) the workers noticed a white steam cloud upriver. A very heavy rainstorm was passing through that area and they knew a hot lahar was likely to be on the way. They secured their equipment and were able to gain a perch on a nearby bridge with their cameras. After witnessing a hot lahar passing underneath they retreated to high ground. The account is illustrated with 4 photographs.

Subjects:

  • Science > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
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  • Grade 9
  • Grade 10

Keywords:

NSDL,Undergraduate (Lower Division),NSDL_SetSpec_dlese.org,Space Science,Physical sciences,Graduate/Professional,Natural hazards,Geology,Undergraduate (Upper Division),Astronomy,Informal Education,Higher Education,Middle School,oai:nsdl.org:2200/20061003224943413T,Science,Elementary School,Chemistry,Physics,General Public,High School,Earth science,Geoscience,Space sciences

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

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