Arizona officials want to designate extreme heat as a natural disaster

There are 16 different incident types of declared disasters on FEMA's list. They include things like tornadoes, wildfires and hurricanes, but not heat.

Hawaii's Kilauea volcano begins erupting again

Hawaii’s Kilauea volcano started to erupt early Wednesday morning, according to an alert released by the Hawaiian Volcano Observatory.

Mount St. Helens erupted 43 years ago Thursday: Here's how it unfolded

While the most devastating acts from the eruption of Mt. St. Helens occurred on May 18, 1980, scientists began getting an inkling something was up a little more than two months before the eruption. The USGS released a day-by-day rundown reliving those anxiety-ridden weeks.

National Park employee killed during avalanche in Alaska

Denali National Park and Preserve is home to more than 6 million acres and contains North America’s tallest peak.

Russia's Shiveluch volcano erupts, spewing dust and ash into the sky

The eruption early Tuesday of Shiveluch, one of Kamchatka’s most active volcanoes, spewed clouds of dust 20 kilometers (65,600 feet) into the sky.

French Alps tragedy: 4 killed in avalanche

The avalanche rolled down the Armancette glacier in Contamines-Montjoie, in the Haute-Savoie region.

President Joe Biden visits Mississippi following tornado devastation
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After a tornado struck parts of Mississippi, killing 21 people and destroying an entire community, President Joe Biden is visiting areas ravaged by the storm in the state. Reporter Mark Meredith has more.

Cleanup continues after Mississippi tornado carved trail of devastation
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People in parts of Mississippi are still cleanup, after at least 25 people were killed and dozens more injured as a result of a tornado. The state's governor, Tate Reeves, has declared a State of Emergency, and cities have already started to receive federal resources. Reporter Caroline Elliot has more.

Hope fading as deaths in Turkey, Syria earthquake pass 11,000

The 7.8 magnitude quake and its powerful aftershocks were so immense — and spread so wide, including in areas isolated by Syria’s ongoing civil war — that many are still waiting for help.

What are the largest earthquakes to strike the US?

There have only been a handful of notable earthquakes to strike the U.S. greater than the magnitude 7.8 earthquake that recently struck Turkey and Syria. The earliest dates back to 1700.

Wreckage, rescue and hope in Turkey's earthquake epicenter

Crowds gathered at wreckage sites throughout Turkey, vapor showing the air as people breathed in and out in anticipation of reaching more survivors of Monday's magnitude-7.8 earthquake.