• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1972-01-01T00:00:00.000+00:00

The Significant Earthquake Database is a global listing of over 5,700 earthquakes from 2150 BC to the present. A significant earthquake is classified as one that meets at least one of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1996-06-15T00:00:00.000+00:00

The NOAA National Centers for Environmental Information decommissioned the Seismicity Catalog Collection, 2150 BC to 1996 AD on May 05, 2025 with no further updates. Upon termination, the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-08-23T00:00:00.000+00:00

The 1988 Spitak Earthquake database is an extensive collection of geophysical and geological data, maps, charts, images and descriptive text pertaining to the catastrophic earthquake in Armenia....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1972-01-01T00:00:00.000+00:00

The NOAA National Centers for Environmental Information decommissioned the United States Earthquake Intensity Database, 1638-1985 on May 05, 2025 with no further updates. Upon termination, the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

The word volcano is used to refer to the opening from which molten rock and gas issue from Earth's interior onto the surface, and also to the cone, hill, or mountain built up around the opening by...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

Fewer than one hundred people have been killed by eruptions in the recorded history of Hawaii, and only one death has occurred in the 20th Century. However, the lava flows are highly destructive...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

Over the last several million years the Hawaiian Islands have been built of successive lava flows. They are the most recent additions in a long line of volcanoes that extends up the intersection...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

At dawn on June 15, 1991, a cataclysmic eruption began with a tremendous explosion that destroyed ten deserted villages. This eruption deposited approximately 5 to 7 km3 of volcanic fragments in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

Tsunami is a Japanese word meaning harbor wave. It is a water wave or a series of waves generated by an impulsive vertical displacement of the surface of the ocean or other body of water. This...

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