GEOL 108 - Crises of a PlanetLab 6 - Landslides and Mass Wasting
Oct. 9 - 12, 2012
Department of Earth Sciences
Department of Earth Sciences
REVIEW | 2
QUIZ 4 REVIEW
Mauna Loa
Mauna Kea
a. What is the approximate elevation at the peak of Mauna Loa? Mauna Kea?
b. Is Mauna Loa a shield, composite, or stratovolcano?
c. Why aren’t lahars a major concern on Hawaii in comparison to Mt. Rainier?
Department of Earth Sciences
REVIEW | 3
QUIZ 4 REVIEW
Path of hypothetical flow
Bonus: What is the name of the Hawaiian fire goddess of volcanoes?
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 4
LAB 6 - LANDSLIDES AND MASS WASTING
• Investigate landslide properties
• Relate landslides and wildfires
• Measure angle of repose and compare the angle for different materials
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 5
LANDSLIDES
• Different situations create different types of landslides, which are given unique names by geologists.
• Hillside creep, rock fall, slump, etc.
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 6
LANDSLIDES
• Moisture increases risk for landslides
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 7
LANDSLIDES
• Fire can make slopes more susceptible to slides
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 8
TYPES OF MASS WASTING
Department of Earth Sciences
LANDSLIDES AND MASS WASTING | 9
ANGLE OF REPOSE
• Angle of repose of different materials varies