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3. The last recorded earthquake along the Cascadia subduction zone was 1700. Have we exceeded the recurrence interval for a magnitude greater than 8+? How about a magnitude 9+ along the zone? Explain.

3. The last recorded earthquake along the Cascadia subduction zone was 1700. Have we exceeded the recurrence interval for a magnitude greater than 8+? How about a magnitude 9+ along the zone? Explain.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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3. The last recorded earthquake along the Cascadia subduction zone was 1700. Have we exceeded the recurrence interval for a magnitude greater than 8+? How about a magnitude 9+ along the zone? Explain.
Transcribed Image Text:3. The last recorded earthquake along the Cascadia subduction zone was 1700. Have we exceeded the recurrence interval for a magnitude greater than 8+? How about a magnitude 9+ along the zone? Explain.
Objectives: Be able to model earthquake damage to structures related to materials on which the structures were constructed Purpose: Interpret seismic data and understand earthquake damage to man-made structures. CASCADIA EARTHQUAKE TIME LINE =/////// / EVENTS IN HUMAN HISTORY YEARS BC 8000 7000 6000 5000 4000 3000 2000 1000 0. 1000 2000 YEARS AD KNOWN CASCADIA EARTHQUAKES ALONG THE CASCADIA SUBDUCTION ZONE IN NORTHERN CALIFORNIA, OREGON, AND WASHINGTON YOU ARE HERE! Earthquake of Magnitude 9+ (fault breaks along entire subduction zone) | Earthquake of Magnitude 8+ (fault breaks along southern half of subduction zone) Comparison of the history of subduction zone earthquakes along the Cascadia Subduction Zone in northern California, Oregon, and Washington, with events from human history. Ages of earthquakes are derived from study and dating of submarine landslides triggered by the earthquakes. Earthquake data provided by Chris Goldfinger, Oregon State University; time line by lan P. Madin, DOGAMI. Recurrence interval for earthquakes is the average time span between earthquake occurrences in region. It is defined by: time period (number of years) number of events recurrence interval %3D first wine made Kennewick Man cattle domesticated Mount Mazama erupts horses domesticated first use of wheel Great Pyramid at Giza Stonehenge built Code of Hammurabi Tutankhamen born Homer writes Iliad birth of Buddha bìrth of Jesus fall of Rome Magna Carta written voyage of Columbus
Transcribed Image Text:Objectives: Be able to model earthquake damage to structures related to materials on which the structures were constructed Purpose: Interpret seismic data and understand earthquake damage to man-made structures. CASCADIA EARTHQUAKE TIME LINE =/////// / EVENTS IN HUMAN HISTORY YEARS BC 8000 7000 6000 5000 4000 3000 2000 1000 0. 1000 2000 YEARS AD KNOWN CASCADIA EARTHQUAKES ALONG THE CASCADIA SUBDUCTION ZONE IN NORTHERN CALIFORNIA, OREGON, AND WASHINGTON YOU ARE HERE! Earthquake of Magnitude 9+ (fault breaks along entire subduction zone) | Earthquake of Magnitude 8+ (fault breaks along southern half of subduction zone) Comparison of the history of subduction zone earthquakes along the Cascadia Subduction Zone in northern California, Oregon, and Washington, with events from human history. Ages of earthquakes are derived from study and dating of submarine landslides triggered by the earthquakes. Earthquake data provided by Chris Goldfinger, Oregon State University; time line by lan P. Madin, DOGAMI. Recurrence interval for earthquakes is the average time span between earthquake occurrences in region. It is defined by: time period (number of years) number of events recurrence interval %3D first wine made Kennewick Man cattle domesticated Mount Mazama erupts horses domesticated first use of wheel Great Pyramid at Giza Stonehenge built Code of Hammurabi Tutankhamen born Homer writes Iliad birth of Buddha bìrth of Jesus fall of Rome Magna Carta written voyage of Columbus
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