Published on March 9, 2014
Earthquakes 6th Grade Science Ms. Jennifer Ransom January 30, 2004
Let’s Learn About Earthquakes!
Earthquakes Definition Causes Interesting Facts Devastating Examples from History
What is an earthquake? Shaking of the ground Breaking and shifting of earth’s outer shell Some of earth’s most powerful events Usually causes other natural disasters McNally, Karen C.. "Earthquake." World Book Online Reference Center. Jan. 2004. World Book, Inc. 27 Jan. 2004. http://www.aolsvc.worldbook.aol.com/ar?/na/ar/co/ar171680.htm.
Earthquakes often cause other natural disasters. Fires sometimes occur. 1906 earthquake caused fire damage. Look at the blackened building.
Causes of Earthquakes Plates shift in earth’s outer crust. Stress occurs on rocks along faults. Excessive stress causes rocks to break. Rocks move into new positions. This causes the shaking of earthquakes.
Interesting Facts Earthquakes rarely kill people … Building collapses do!
Interesting Facts Even buildings left standing are dangerous. There is often structural damage.
Effects of Earthquakes People are often left homeless. They must find temporary housing.
Effects of Earthquakes Food and water may be scarce. People wait in line for water. Bread lines are also long! 1806 earthquake victims struggled to survive.
Effects of Earthquakes Looting often takes place. Chaos usually makes things worse. Police patrols are necessary.
Effects of Earthquakes Sometimes government must get involved! Check out this proclamation in 1906. This San Francisco earthquake was devastating!
Devastating Examples from History Charleston’s famous earthquake Early morning earthquake on February 7, 1812 It began at about 3:30 a.m. Shaking continued for about 25 minutes. Shaking caused severe structural damage. Information courtesy of the following collection in the American Memory Collection of the Library of Congress: An American Time Capsule: Three Centuries of Broadsides and Other Printed Ephemera.
Devastating Examples from History San Francisco’s famous earthquake of 1906 Quake caused damage to some buildings. Other buildings were undamaged. Look at some scenes from 1906.
Devastating Examples from History Finally, look at other dangerous results. First picture – exposed water pipes Second picture – twisted streetcar tracks
Earthquakes Respond to what you have learned. Write a one-half page response. Discuss at least five things about earthquakes. Include any or all of these: • Causes • Effects on people or land • Examples
Acknowledgements Pictures and most information provided courtesy of the American Memory Collection of the Library of Congress. Earthquake definition and causes provided (as noted) by World Book Online.
Earthquakes. Auto Update; 1 Day, Magnitude 2.5+ Worldwide; 1 Day, All Magnitudes Worldwide; 7 Days, Magnitude 4.5+ Worldwide; 7 Days, Magnitude 2.5+ Worldwide;
Latest Earthquakes in the world. World earthquake list. Earthquake information. earthquakes today - recent and latest earthquakes, earthquake map and ...
Earthquake information. earthquakes today - recent and latest earthquakes, earthquake map and earthquake information. ... 3.2 CENTRAL ITALY: 2016-11-21 04:15:
USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. Jump to Navigation Earthquakes.
List of earthquakes in 2016 Earthquakes in 2016; Approximate ... A magnitude 7.2 earthquake struck offshore of South Georgia and the South Sandwich ...
Earthquakes occur all over the world every day, ... 2 weeks, 3 days : FixedPrice : $6.11 : 5. New! Adventure Medical Marine 300 First Aid Kit (0100-0300)
Earthquake clusters. Most earthquakes form part of a ... The velocity of S-waves ranges from 2–3 km/s in light sediments and 4–5 km/s in the Earth's ...
Steven Gerrard scored on his Major League Soccer debut and had a role in two of Robbie Keane's three goals as LA Galaxy beat San Jose Earthquakes 5-2. The ...
Earthquakes Today - recent and latest earthquakes, earthquake map and earthquake news . ... 2.0-2.9: Minor: Generally not felt, but recorded. About 1,000 ...
Extreme Heat Prevention Guide (Part 2 of 3) Extreme Heat Prevention Guide (Part 3 of 3) ... Earthquakes. Disasters & Severe Weather. Earthquakes; Extreme ...