Sounds of lava lake activity within Kilauea Volcano's summit vent inside Halema`uma`u Crater on the afternoon of February 14, 2011. The continuous "crashing wave" noise is the sound of churning lava as gases are released from the lake surface, which is in nearly constant motion.
Audio
Volcano Hazard Program audio files.


Sounds of lava lake activity within Kilauea Volcano's summit vent inside Halema`uma`u Crater on the afternoon of February 14, 2011. The continuous "crashing wave" noise is the sound of churning lava as gases are released from the lake surface, which is in nearly constant motion.
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?
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?
Listen to hear the answer.
Listen to hear the answer.
Kilauea Volcano in Hawaii has experienced its first explosive eruption in more than 80 years and is now spewing noxious gas at 10 times the normal rate. John Eichelberger, head of the USGS Volcano Hazards Program, fills us in on the situation.
Kilauea Volcano in Hawaii has experienced its first explosive eruption in more than 80 years and is now spewing noxious gas at 10 times the normal rate. John Eichelberger, head of the USGS Volcano Hazards Program, fills us in on the situation.