The earthquake that hit the Tohoku region of Japan on March 11, 2011, had a magnitude of 9.0 and killed over 15000 people.The destruction caused by the Tohoku earthquake was made much worse by powerful tsunamis that were triggered due to the earthquake’s epicentre being located offshore. The economic damage caused by the earthquake and aftershocks is estimated to be around $15 billion (NZ$).An earthquake that hit Haiti in January 2010 with a magnitude of 7.0 killed over 200000 people according to Haitian sources.The most powerful earthquake ever recorded on Earth was in Valdivia, Chile.
Contemporaneous extension and compression in the Northern Apennines from earthquake fault-plane solutions A. Frepoli, A. Frepoli Istituto Nazionale di Geofisica, Via di Vigna Murata 605, 00143 Rome, Italy. Search for other works by this author on: Oxford Academic. The shaking and trembling that results from the sudden movement of part of the earth's crustThe limit to how much pressure an object can withstand without breakingPulls rocks apart causing them to stretch out over a larger areaUnderground point of origin of earthquake, where rocks break and moveSqueezes rocks together so they are pushed higher up and deeper downPusher rocks in two opposite, horizontal direction causing them to bend or break apartPoint on the Earth's surface directly above the focus of an earthquakeA highly simplified simulated recording of earthquake wavesWave caused by and earthquake or vibration in the Earth, due to natural or artificial causesSimilar to sound waves. Primary Wave. Enjoy our awesome range of Earth facts for kids. Can only travel through solids at 3.5 to 7.5 km/secMeasure of the degree to which an earthquake is felt by people/amount of damageA mathematical way to determine the amount of energy released from an earthquakeDescriptive ranking of an earthquake based on observationThe name of the underground fault in Southern IllinoisFamous strike-slip fault on the western coast of USA.The surface of block that is on top of the plane of the fault.The surface or block that lies below the plane of the fault. More The 2004 earthquake that occurred in the Indian Ocean near Sumatra, Indonesia triggered a series of tsunamis that killed over 200000 people in 14 countries.The February 2011 earthquake in Christchurch, New Zealand followed nearly 6 months after a magnitude 7.1 earthquake shook the region. Squeezes rocks together so they are pushed higher up and deeper down. The earthquake killed 181 people and significantly damaged the central city. Can travel through solids and liquids at 6 to 13 km/sec. An example of a mechanical longitudinal wave, or a compressional wave, is a sound wave. The 1906 San Francisco earthquake struck the coast of Northern California at 5:12 a.m. on Wednesday, April 18 with an estimated moment magnitude of 7.9 and a maximum Mercalli intensity of XI (Extreme).High-intensity shaking was felt from Eureka on the North Coast to the Salinas Valley, an agricultural region to the south of the San Francisco Bay Area.

The rapid release of energy creates seismic waves that travel through the earth.Scientists use the different speeds of seismic waves to locate the epicentre (the point on the surface directly above where the earthquake originated) of earthquakes.Seismometers are used to measure the magnitude of earthquakes. Shearing Force.
Occurring in 1960, it had a magnitude of 9.5.It is important in earthquake prone countries such as Japan to build houses and buildings that react well to earthquakes. The destruction caused by the Tohoku earthquake was made much worse by powerful tsunamis that were triggered due to the earthquake’s epicentre being located offshore.

Another example is primary waves of an earthquake. Find a range of information that will teach you what causes earthquakes as well as some examples of notable earthquakes that have shaken countries around the world in recent times.Earthquakes involve the powerful movement of rocks in the Earth’s crust. An accidental bump of the game table is an excellent scale version of a catastrophic earthquake . Following an earthquake event, S-waves arrive at seismograph stations after the faster-moving P-waves and displace the ground perpendicular to the direction of propagation. Check out the cool trivia and have fun learning about some of our planet's most amazing features. You are unlikely to feel a magnitude 3 earthquake but a magnitude 6 earthquake could potentially cause large damage.The damage caused by earthquakes also depends on their depth and fault type. Seismologists refer to the direction of slip in an earthquake and the orientation of the fault on which it occurs as the focal mechanism. Compression Force. Similar to sound waves. Buildings, after all, are vulnerable to the same forces that can topple a Jenga tower -- forces like loads, tension, compression, torsion and more. Check out our interesting earthquake facts for kids. The earthquake that hit the Tohoku region of Japan on March 11, 2011, had a magnitude of 9.0 and killed over 15000 people. Wave caused by and earthquake or vibration in the Earth, due to natural or artificial causes. Good engineering practises can help stop buildings collapsing under the stress of large earthquakes. They use information from seismograms to calculate the focal mechanism and typically display it on maps as a "beach ball" symbol.


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