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USGS CoreFacts

It's short on time and big on science.

Special Announcement: CoreFacts Being Discontinued

A special announcement regarding the USGS CoreFacts podcast series.

How is water cleaned?

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Why should people in the Eastern United States be concerned about earthquakes?

Why should people in the Eastern United States be concerned about earthquakes?

What is tuff?

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How did Asian swamp eels get here?

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How far did the ash from Mount St. Helens travel?

Welcome to CoreFacts, where we're always short on time and big on science. I'm Brian Campbell. Today's question is …

How far did the ash from Mount St. Helens travel?

What is a supervolcano?

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What is the National Map?

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Were dinosaurs social animals?

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What is a "lava dome"?

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What is a "lava dome"?

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Does the Earth's magnetic field affect human health?

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How do volcanoes erupt?

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What was Pangea?

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What is a thunderegg?

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What is "artesian well water"?

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What is an aquifer?

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What is the Palmer Index?

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What is geologic time?

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How hot are volcanoes?

In general, the magma (molten rock) in volcanoes ranges from...

Why are coral reefs in peril and what is being done to protect them?

Coral reefs can be damaged by natural processes, such as storms, but they are increasingly at risk from human activities. Oil spills and pollutants...

What is Remote Sensing?

Remote sensing is the gathering of information about the Earth from a distance. Information can be collected about...

What is a lava tube?

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What is metadata?

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What is sterling silver?

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Can you define safe water?

Safe water means water that will not harm you if you come in contact with it. The most common use of this term applies to drinking water, but it could also apply to water for swimming or other uses. To be safe, the water must...

Can you define safe water?

Safe water means water that will not harm you if you come in contact with it. The most common use of this term applies to drinking water, but it could also apply to water for swimming or other uses. To be safe, the water must...

What are we doing about acid rain?

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Can animals predict earthquakes?

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Where are salmon most endangered?

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How can I report an earthquake experience or related observation?

Starting next Wednesday, July 30, CoreFacts will be delivered once a week instead of daily, in order to bring you better content. Please let us know how you feel about CoreFacts via an e-mail to corecast@usgs.gov. Listen to hear the answer.

What do Asian swamp eels eat?

Starting next Wednesday, July 30, CoreFacts will be delivered once a week instead of daily, in order to bring you better content. Please let us know how you feel about CoreFacts via an e-mail to corecast@usgs.gov. Listen to hear the answer.

What colors were dinosaurs?

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What is ground water?

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What is a reef?

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What is space weather?

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Why do scientists band birds?

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Is glacier ice very cold?

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How are dinosaurs named?

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What is Gas Hydrate?

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What are sinkholes?

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What is a landslide hazard map?

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How are floods predicted?

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What does a hydrologist do?

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How many glaciers are in Alaska?

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What is a topographic map?

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What is marine geology?

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Where did dinosaurs live?

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What is a volcano?

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What is Devils Hole?

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What are tsunamis?

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Is there earthquake weather?

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How does a compass work?

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Are USGS reports copyrighted?

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Where can I climb a volcano?

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What is Fool's Gold?

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Why is snow white?

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What is the greatest hazard presented by Mount Rainier?

Welcome to CoreFacts, where we're always short on time and big on science. I'm Steve Sobieszczyk. Let's get right to it, today's question is:

What is the greatest hazard presented by Mount Rainier?

What is Landsat 7?

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Can animals predict earthquakes?

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Can animals predict earthquakes?

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When does a drought begin?

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How dangerous is flooding?

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Why are glaciers blue?

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Which was the smartest dinosaur?

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What is a landslide susceptibility map?

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What is the "Ring of Fire"?

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Are there different types of flooding?

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What is white gold?

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What is pewter?

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What are we doing about acid rain?

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Does the USGS monitor global warming?

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Do volcanoes affect weather?

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What causes drought?

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CoreFacts: It's short on time and big on science.

CoreFacts: It’s short on time and big on science. CoreFacts is coming Feb 4th, 2008. Subscribe today!