{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chapter 14 Part 2

Chapter 14 Part 2 - Chapter 14 Part Two Volcanic Hazards...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 14: Part Two Volcanic Hazards: - Volcanic mud flows- result from heavy rain and/or snow melt during an eruption o A.k.a. lahars Monitoring Volcanic Hazards: - Research to locate previous pyroclastic flows and lahars - Tiltmeters, measure the slope of a volcano to look for swelling - Monitor earthquake activity Deadliest Volcanic Eruptions: - United States: o May 18 th , 1980 – Mount St. Helens o 57 human fatalities - World: o 1815 – Mount Tambora (Indonesia) o 92,000 human fatalities - Oklahoma: o No volcanoes Igneous Features: - Igneous intrusion o rock formed beneath the Earth’s surface penetrates the crust – pluton - Scheme for classifying igneous intrusions o Batholith: large subterranean body of indefinite depth Important in mountain forming o Stock: Similar to batholith but much smaller o Laccolith: Slow-moving, viscous magma forced between horizontal layers of rock Builds up a mushroom-shaped mass o Volcanic Neck: Molten material hardened in volcanic vent
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.
  • Fall '10
  • BAYS
  • volcanic hazards, previous pyroclastic flows, Primary Fault types, Deadliest Volcanic Eruptions, o Volcanic Neck

{[ snackBarMessage ]}

Page1 / 3

Chapter 14 Part 2 - Chapter 14 Part Two Volcanic Hazards...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online