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An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency KTLA, type and size of earthquakes experienced over a period of time.
KTLA St Patricks Day Earthquake
Earthquakes are measured using observations KTLA from seismometers.Patricks The moment magnitude is the most common scale on which earthquakes larger than Patricks approximately 5 are reported for the entire globe.Day Earthquake Patricks The more numerous Patricks earthquakes smaller than magnitude 5 reported by national seismological observatories are measured KTLA mostly on the local magnitude scale, also referred Patricks to as the Richter scale. These two scales are numerically similar over their range of validity Patricks. Magnitude 3 or lower earthquakes are Patricks mostly almost imperceptible or weak and magnitude 7 and over potentially cause serious damage Day Earthquake over KTLA larger areas, depending on their depth. The largest earthquakes in historic times have been of magnitude slightly over 9, although Patricks there is no limit to the possible magnitude. The most recent large earthquake of magnitude 9.0 or KTLA larger was a 9.0 magnitude earthquake in Japan in 2011 (as of October 2012), and it was the largest Japanese earthquake since Patricks records began. Intensity of shaking is measured on the modified Mercalli scale. The shallower an earthquake, the more damage to structures it causes,Day Earthquake all else being equal
KTLA St Patricks Day Earthquake
At the Earth's surface, KTLA earthquakes manifest themselves by shaking and sometimes displacement of the Day Earthquake ground. When the epicenter of a large earthquake is located offshore Day Earthquake, the seabed may be displaced Day Earthquake sufficiently to cause a Day Earthquake tsunami. Earthquakes can also trigger landslides, and occasionally volcanic activity.
In its most Day Earthquake general sense, the word KTLA earthquake is used to describe any seismic event — whether natural or caused by humans — that generates Day Earthquake seismic waves. Earthquakes are caused mostly by rupture of geological faults, but also by Day Earthquake other events such as volcanic activity, landslides, mine blasts, and nuclear tests. An earthquake's point of initial rupture is called its focus KTLA or hypocenter. The epicenter is KTLA the point at ground level KTLA directly KTLA above the hypocenter.
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake
KTLA St Patricks Day Earthquake