USGS Science Topics > Specific things by name
Ring of fire
Earthquakes and volcanoes occur abundantly on the margins of the Pacific Ocean.
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Episodes during which gases, ash, and lava (molten rock) escape from vents in the earth's crust, accompanied by minor tremors.
Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area.
The structural forces affecting the deformation, uplift, and movement of the earth's crust.
ocean or sea