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1. www.britannica.com › science › earthquake-geologyEarthquake | Definition, Causes, Effects, & Facts | Britannica

   www.britannica.com › science › earthquake-geology

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   May 12, 2024 · Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Learn more about the causes and effects of earthquakes in this article.

   • Belts

     seismic belt, narrow geographic zone on the Earth’s surface...

   • Elastic Strain

     Other articles where elastic strain is discussed:...

   • Fault

     fault, in geology, a planar or gently curved fracture in the...

   • Seismic Wave

     S waves, also called shear or transverse waves, cause points...

   • Why is an Earthquake Dangerous

     Over the centuries, earthquakes have been responsible for...

   • Volcanism

     Earthquake - Volcanism, Seismology, Tectonics: A separate...

   • Reducing Hazards

     Earthquake - Reducing Hazards: Considerable work has been...

   • Surface Phenomena

     Earthquake - Seismic Waves, Faulting, Ground Shaking:...

   • Tectonics

     Earthquake - Tectonics, Seismology, Faults: Tectonic...

   • Shallow, Intermediate, Deep Foci

     Earthquake - Shallow, Intermediate, Deep Foci: Most parts of...

2. Videos

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     2:05

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     What causes an earthquake? | Natural Disasters

     Oct 27, 2016

     288.9K Views

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     5:02

     youtube.com

     Earthquakes 101 | National Geographic

     Jan 23, 2020

     2.3M Views

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     2:35

     youtube.com

     Earthquakes explained (explainity® explainer video)

     Jul 20, 2022

     143.8K Views

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3. www.livescience.com › planet-earth › earthquakesWhy do earthquakes happen far away from plate boundaries?

   www.livescience.com › planet-earth › earthquakes

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   May 13, 2024 · But not all earthquakes occur along plate boundaries. For example, an earthquake near New Madrid, Missouri in the winter of 1811 was thousands of miles from the nearest fault, yet the magnitude 7. ...

4. spaceplace.nasa.gov › earthquakes › enWhat Is an Earthquake? | NASA Space Place – NASA Science for Kids

   spaceplace.nasa.gov › earthquakes › en

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   May 6, 2024 · An earthquake is an intense shaking of Earth’s surface caused by movements in its outermost layer, the lithosphere. Learn how earthquakes happen, how we measure them, and if they only happen on Earth.

5. Top Stories

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     Big Island Now

     40 earthquakes recorded beneath Kīlauea summit over the past day

     10 hours ago

   • KRTS

     After an earthquake in 2022, researchers believe areas around Midland may be more prone to earthquakes

     A new article from researchers at the University of Texas at Austin outlines how a large earthquake activated nearby faults — potentially increasing the chances the region will see more earthquakes in the future.

     13 hours ago

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     Phys.org on MSN.com

     Optimizing earthquake data flow allows scientific research on 'The Big One'

     1 day ago

   • Inquirer on MSN.com

     Earthquake of 5.0-magnitude hits Davao Occidental waters

     6 hours ago

   • Newsweek

     Another 2.9-Magnitude Earthquake Rattles New Jersey: Everything We Know

     6 days ago

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6. web.volcanodiscovery.com › earthquakes › todayEarthquakes Today: Latest Quakes worldwide past 24 hours

   web.volcanodiscovery.com › earthquakes › today

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   1 day ago · By far, most earthquakes in the world occur along the margins of the Pacific Ocean, followed by the vast Alpine-Himalayan mountain belts that stretch from southern Europe through Turkey, the Caucasus, Iran, Pakistan, to northern India, Nepal and southern China.

7. www.volcanodiscovery.com › earthquakesEarthquakes Today: Latest Quakes worldwide past 30 days

   www.volcanodiscovery.com › earthquakes

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   2 days ago · In the past 30 days, there were 31,694 quakes of magnitudes up to 6.6: Latest Quakes worldwide: Today: 957 quakes | This week: 6,852 quakes | Latest quake: M6.2 Di laut 111 km baratlaut Sinabang | Strongest today: Mag.6.2 Di laut 111 km baratlaut Sinabang | Strongest past week: Mag.6.6 70 km NW of Fangale’ounga, Tonga.

8. People also ask

   How do earthquakes occur?

   • earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth ’s rocks. Seismic waves are produced when some form of energy stored in Earth’s crust is suddenly released, usually when masses of rock straining against one another suddenly fracture and “slip.”

   Earthquake | Definition, Causes, Effects, & Facts | Britannica

   www.britannica.com/science/earthquake-geology

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   How often do earthquakes occur?

   • About 50,000 earthquakes large enough to be noticed without the aid of instruments occur annually over the entire Earth. Of these, approximately 100 are of sufficient size to produce substantial damage if their centres are near areas of habitation. Very great earthquakes occur on average about once per year.

   Earthquake | Definition, Causes, Effects, & Facts | Britannica

   www.britannica.com/science/earthquake-geology

   See all results for this question

   How do you determine if an earthquake is a significant event?

   • Events in this list and shown in red on our real-time earthquake map and list are considered “significant events’, and they are determined by a combination of magnitude, number of Did You Feel It responses, and PAGER alert level. Here is the equation: significance = max (mag_significance, pager_significance) + dyfi_significance;

   Significant Earthquakes - 2024 - USGS Earthquake Hazards Program

   earthquake.usgs.gov/earthquakes/browse/significant.php

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   Do all faults cause earthquakes?

   • All known faults are assumed to have been the seat of one or more earthquakes in the past, though tectonic movements along faults are often slow, and most geologically ancient faults are now aseismic (that is, they no longer cause earthquakes).

   Earthquake | Definition, Causes, Effects, & Facts | Britannica

   www.britannica.com/science/earthquake-geology

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9. earthquake.usgs.gov › earthquakes › browseSignificant Earthquakes - 2024 - USGS Earthquake Hazards Program

   earthquake.usgs.gov › earthquakes › browse

   May 15, 2024 · What makes an earthquake "significant"? Events in this list and shown in red on our real-time earthquake map and list are considered “significant events’, and they are determined by a combination of magnitude, number of Did You Feel It responses, and PAGER alert level.

10. earthquakelist.org › usaThe complete United States earthquake report (up-to-date 2024).

    earthquakelist.org › usa

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    2 days ago · The strongest recent earthquake of the past 10 years near The United States occurred on Jul 5, 2019 20:19 local time (America/Los_Angeles timezone). It had a magnitude of 7.1 and struck 124 miles (200 km) north-northeast of Los Angeles, at a depth of 5 mi . Discover more strong earthquakes near The United States in the list below.