The U.S. Geological Survey reports that, as of 2014, Alaska accounts for about half of all earthquakes registered in the United States. The USGS also indicates that many smaller magnitude earthquakes go unreported in the state. California has the second-most reported earthquakes among U.S. states.
Hawaii is the third-most prominent earthquake state and Nevada is fourth. However, the USGS site reports that these states are in a virtual dead heat on the number of quakes with a 5.0 or greater magnitude. Other states listed in the top 10 include Washington, Idaho, Wyoming, Montana, Utah and Oregon. The rankings include any quakes reported in any region within a state.Learn More
An epicenter is the point on the earth's surface directly above where the earth begins to fracture in an earthquake. The focus lies beneath the epicenter. The epicenter is located from records of earthquake waves created by a seismograph.Full Answer >
Earthquakes are caused by the collision of tectonic plates. These plates are a part of the Earth's crust. Continents float on tectonic plates that move very slowly over centuries. There are many tectonic plates all over the Earth's crust.Full Answer >
Kashmir lies on top of the area where the Indian and Eurasian continental plates collide. Immense seismic stress builds up in this area and is released through earthquakes and other seismic activity. On October 8, 2005, this release of stress caused an earthquake that resulted in the death of more than 80,000 people, thousands of injuries and catastrophic property damage.Full Answer >
As of 2014, the largest recorded earthquake occurred in Chile in 1960. Measuring 9.5 on the Richter scale, it killed or injured 5,000 people, left 2 million homeless and damaged coasts along the Pacific Ocean. It may also have led to the eruption of the Puyehue volcano two days later.Full Answer >