Detail knowledge about earthquake.
Understand the Problem
The question is asking for detailed information about earthquakes, including their causes, effects, and possibly how they are measured or predicted. This will require an overview of geological concepts associated with seismic activity.
Answer
Earthquakes are sudden ground shakings caused by movement in the Earth's crust.
Earthquakes are sudden shaking events caused by movements in the Earth's crust due to stress at faults. These movements produce seismic waves, resulting in ground shaking. They are common, though not all are significantly felt.
Answer for screen readers
Earthquakes are sudden shaking events caused by movements in the Earth's crust due to stress at faults. These movements produce seismic waves, resulting in ground shaking. They are common, though not all are significantly felt.
More Information
Earthquakes are primarily caused by tectonic movements and can happen millions of times annually, with varying magnitudes. The largest recorded US earthquake was a 9.2 magnitude in Alaska.
Tips
People often confuse the magnitude of an earthquake with its intensity. Magnitude is a measure of energy released, while intensity is how it's perceived at a location.
Sources
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