Geometry.Net - Basic_T: Tsunamis Geology

UWRF Geology - Dr. Bill Cordua
25. tsunamis are set off by underwater earthquakes, volcanic eruptions and landslides.Return to the Sample question index. Return to the geology 202 page.
http://www.uwrf.edu/~wc01/SecondOcQz.html

Extractions: PART I. TRUE-FALSE. Circle the T in front of the statements that are true; circle the F in front of those that are false. T F 1. Water molecules have positive and negatively charged ends. T F 2. The most common chemicals in sea salt are those with the shortest residence times in the ocean. T F 3. The Coreolis effect makes currents always deflect to the right of their path. T F 4. The aphotic zone is where there is enough light for photosynthesis. T F 5. If water were a linear molecule (like H2S) , it would freeze at a lot higher temperature. T F 6. Sea ice is denser than liquid water. T F 7. Sound travels faster in sea water than in air. T F 8. Surface current gyre shape is affected by the position of the continents. T F 9. Deep water waves are steeper than shallow water waves. T F 10. Deep water waves move faster than shallow water waves. T F 11. Because of its high heat capacity, sea water heats up relatively fast when exposed to sunlight. T F 12. It is possible to float salty water on top of less salty water.
Tsunami Links
Offers Federal, State, International, and multimedia links. From NOAA.Category Science Earth Sciences geology Geologic Hazards Tsunami tsunamis in the Mediterranean Sea 2000 BC 2000 AD, in Advances in Natural and CNGo, KS Dim, and NA Shchetnikov, Institute of Marine geology and Geophysics
http://www.pmel.noaa.gov/tsunami-hazard/links.html

Extractions: NOAA/PMEL Tsunami Project June 23, 2001, Peru Tsunami Links NOAA/PMEL Tsunami Project Links NOAA Backgrounder on Tsunamis ... Major Tsunamis (pdf format) NWS West Coast/Alaska Tsunami Warning Center NWS Pacific Tsunami Warning Center Tsunami, The Great Waves (25 MB pdf format) Provided by ITIC FEMA Factsheet on Tsunamis 1997-1999 Activities of the Tsunami Mitigation Subcommittee, a Report to the Steering Committee, National Tsunami Hazard Mitigation Program Surviving a TsunamiLessons from Chile, Hawaii, and Japan contains true stories that illustrate how to survive a tsunami and how not to survive a tsunami. The booklet is an educational tool meant for those who live and work or who visit coastlines that tsunamis may strike. Copies of the booklet can be obtained from USGS Information Services, Box 25286, Denver, CO 80225, by calling 888-ASK-USGS. The Next Big Earthquake in Alaska and what to do to prepare. Includes tsunami information. Provided by USGS and UAF Alaska Sea Grant.
GEOLOGY 1001
Radiocarbon dating is used extensively in geology as well as archeology, biology,art For general information on landslides (as well as tsunamis and earthquakes
http://www.geol.lsu.edu/roche/1001syllabus.html

Extractions: View toward the south, showing features of alpine glaciation such as U-shaped valleys, cirques, cols, and horns. 8:40-9:30 (Sec.1) MWF and 10:40-11:30 (Sec. 2) MWF INSTRUCTOR: Dr. James E. Roche Room E209 Howe-Russell Geoscience Complex email address jroche@geol.lsu.edu Office Hours: Monday Through Thursday, 1:00 - 2:30 PM, or by appointment. Text: Physical Geology (Eighth Edition or Revised Eighth Edition), by Plummer, McGeary, and Carlson (1999), WCB/McGraw-Hill. The publisher maintains an excellent web page for this text, featuring links to a large number of geology-specific sites. Examinations: Exams (200 points) - Three 100-point hour exams will be given, and the lowest of these will be dropped. The final exam is not included in this option and it must be taken. Final Exam (100 points): The Final Exam is comprehensive. Purchase 81/2_ x 11_, green and white computer grading forms entitled "FOR PROCESSING BY NATIONAL COMPUTER SYSTEMS, INC." (not "Scan-Tron "). Also buy a couple of #2B lead pencils.
Geology: Earthquakes
The geology of Japan Earthquakes. Lecture Outline Cause and Occurrence ofEarthquakes. Buildings topple or sink on such liquefied soil. tsunamis.
http://www.seinan-gu.ac.jp/~djohnson/natural/quakes.html

Extractions: Lecture Outline Cause and Occurrence of Earthquakes. The same plate tectonic activity that causes volcanoes also causes earthquakes. Subduction can create stress in the rock crust that results in slippage causing earthquakes. Earthquakes and Faults. As two plates collide, stress is built up and faults (or cracks) appear in the crust. If there is little friction along the fault, creep may occur, that is, there may be gradual movement of the ground on one or both sides of the fault. This type of fault activity does not usually result in death or injury, since there are no sudden movements. If, however, friction prevents gradual movement, the stress will built up until sudden slippage occurs along the fault. This is an earthquake. If the stress occurs in deep crust layers where rock is hot, the crust may gradually fold rather than slip (no earthquake occurs). Earthquake Focus and Epicenter. The point along a fault where movement first occurs is called the earthquake's focus . The point on the earth's surface immediately above the focus is called the earthquake's epicenter . The focus of many of Japan's earthquakes is very deep (over 100 km, or 62 mi)
About Geology -- The Complete Guide To Earth Science
Web Hosting. Your About geology Guide, geology. with Andrew Alden Your Guideto one of hundreds of sites, Sponsored Links. Amateur Geologist Love geology?
http://geology.about.com/mbody.htm
This Page Has Moved...
What we do, contact information, staff listings, directions to our main office A searchable online database of publications on the geology of Washington Division news, announcements, conference calendar, new additions to our website
http://www.wa.gov/dnr/htdocs/ger/ger.html
Topics Of Study - Coastal And Marine Geology Program - U.S. Geological Survey
Coastal and Marine geology Program Topics of Study.
http://marine.usgs.gov/topics/

Extractions: how to use this Any Bathymetry Beaches Climate Corals Currents Earthquakes Ecosystems El Niño Environmental Change Erosion Floods GIS Global Warming Groundwater Landslides Mapping Meteor Impacts Minerals Monitoring Pollution Remote Sensing Sea-Level Change Sediments Sonar Mapping Tsunamis Volcanoes Wetlands Any Alaska California (Cent/S) Caribbean East Coast Florida Platform Great Lakes Gulf of Mexico (W/Cent) Hawaii International Pacific Northwest U.S. Inland Any Research Projects Educational Materials Photographs Movies Maps Publications Data Sets
Tsunamis In The Pacific Northwest
Depositional characteristics of a submarine debris flow. Journal of Geology92 707727. Schwab, JW 1999. tsunamis on Troitsa Lake, British Columbia.
http://www.emporia.edu/earthsci/student/geert1/reference1.htm

Extractions: Tsunamis in the Pacific Northwest References Adams, J. 1990. Paleoseismicity of the Cascadia subduction zone - evidence from turbidites off the Oregon-Washington coast. Tectonics Atwater, B.F., and Hemphill-Haley, E. 1997. Recurrence intervalsfor great earthquakesof the past 3500 years at northeastern Willapa Bay, Washington. U.S. Geological Survey Professional Paper1576. Atwater, B.F., and Moore, A.L. 1992. A tsunami about 1000 yr ago in Puget Sound Washington. Science Benson, B.E., Grimm, K.A. and Clague, J.J. 1997. Tsunami deposits beneath tidal marshes on northwestern Vancouver Island, British Columbia. Quaternary Research Bornhold, B.D., and Harper. J.R. 1998. Engineering geology of the coastal and nearshore Canadian Cordillera. In Proceedings of the 8th Congress of the International Association of Engineering Geology and the Environment , I: 63-75. Clague, J.J. 1995. Early historical and ethnographic accounts of large earthquakes and tsunamis on western Vancouver Island. In Current Research 1995-A. Geological Survey of Canada. Ottawa, Ontario pp. 47-50. Clague, J.J. 1996.
Natural Hazards In The Pacific Northwest
Earthquakes in coastal areas frequently precede tsunamis. The long view of geologyrecognizes that most geologic processes shaping the topography are
http://sarvis.dogami.state.or.us/earthquakes/earthquakehome.htm

Extractions: Oregon is known for its wonderful diversity of natural landscapes including deserts, deep river canyons, high snow-covered mountains, flat well-watered fertile valleys, and a coastline with quiet coves and dramatic headlands. Unavoidably, however, the breathtaking scenery goes hand in hand with geologic processes that can be responsible for recurring and destructive hazards. In the Pacific Northwest, natural geologic catastrophes may be placed into five categories: floods, landslides, earthquakes, volcanic eruptions, and tsunamis. All five of these catastrophes have occurred in Oregon within the past century. Quite often the effect of two or more events occurring simultaneously greatly accentuates the destructiveness of the episode. Floods are nearly always accompanied by landslides, mudflows are often a significant part of volcanic activity, and a major quake following a flood results in a multitude of large and small landslides. Earthquakes in coastal areas frequently precede tsunamis.
Dogami
A. Hull, Director and State Geologist, Oregon Department of geology and Mineral BACKGROUNDTsunamis caused by undersea earthquakes have caused tragic loss of
http://sarvis.dogami.state.or.us/news&events/archives/9721-rel.htm

Extractions: (503) 731-4100, ext. 232 Center for the Tsunami Inundation Mapping Effort (TIME) to be dedicated in Newport on May 17 The Center for the Tsunami Inundation Mapping Effort (TIME) will be dedicated at the Hatfield Marine Science Center in Newport at 10 a.m. on Saturday, May 17, 1997. The keynote address at the dedication will be given by Senator Mark O. Hatfield, who recognized the threat posed by offshore earthquakes and led congressional efforts to address this issue. Other speakers will be Dr. Eddie Bernard, Director, Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration (NOAA); Richard Krimm, Mitigation Directorate, Federal Emergency Management Agency (FEMA); Sean Sinclair, speaking for Congresswoman Darlene Hooley; Dr. Donald A. Hull, Director and State Geologist, Oregon Department of Geology and Mineral Industries (DOGAMI); and Dr. Antonio Baptista, Oregon Graduate Institute of Science and Technology (OGI). The Hatfield Marine Science Center will be open to the media at 9:30 a.m. for viewing of the tsunami displays. The dedication will begin at 10 a.m., and a press conference will be held at 11:15 a.m. in the Hatfield Marine Science Center auditorium.

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