logo
episode-header-image
Oct 2017
26m 36s

How do volcanoes erupt?

American Public Media
About this episode

There are all kinds of volcanoes all over the world, but how are they formed? And how do they erupt? To find out, we’ll travel to the center of the Earth, and we’ll meet a NASA robot that’s going on a very special volcano mission.

See omnystudio.com/listener for privacy information.

Up next
Yesterday
How does music get recorded and stored?
<p>Most of us take listening to music or podcasts for granted. You can find them on your phone, in the car or just about anywhere you can imagine. But, have you ever wondered how those sounds were captured in the first place? To find out, Molly and Co-host Canyon shrink down and ... Show More
30m 56s
Nov 18
Do dogs know that they're dogs?
<p>We treat dogs like they're part of the family. But do they know they are a different species, or do they think they're just short, four-legged people?</p> <p data-encore-id="text">In this episode, canine cognition researcher Alexandra Horowitz helps us puzzle out this question ... Show More
26m 18s
Nov 11
Mystery Sounds from the natural world
<p>Today&rsquo;s episode is full of Mystery Sounds from around the world. Molly and co-host Rehema are joined by sonic explorer Thomas Rex Beverly, who travels the globe to capture the sounds of the natural world. He brings us some beautiful head-scratchers that really must be he ... Show More
33m 28s
Recommended Episodes
Mar 2023
Why do volcanoes erupt only occasionally?
Volcano eruptions are a spectacular sight and a reminder of how powerful nature is. Rivers of molten lava can destroy forests, but they can also create new islands and mountain ranges! So why aren’t volcanoes erupting all the time? We asked volcano expert Lissie Connors to help u ... Show More
5m 31s
May 2024
Quels sont les différents types de volcans ?
<p>Il existe de nombreux volcans de par le monde, dont beaucoup sont encore très actifs. Si l'on se fonde sur les types d'éruptions qu'ils provoquent, il en existe deux grandes catégories.</p><br><p>On trouve d'abord des volcans effusifs. Ils se caractérisent surtout par le compo ... Show More
2m 8s
Dec 2022
What Makes Hawaii's Erupting Volcanoes Special
Just after Thanksgiving, for the first time in almost 40 years, Hawaii's Mauna Loa volcano erupted. It's one of several ongoing eruptions – including Kilauea, also on Hawaii, and Indonesia's Mount Semeru. At just over half the size of the big island of Hawaii, Mauna Loa is the wo ... Show More
12m 6s
Nov 2023
Thousands of earthquakes in Iceland may spell a volcanic eruption
Saturday, the entire coastal town of Grindavik, Iceland was evacuated. That's because over the weekend, the country experienced nearly 2,000 earthquakes within 48 hours. And they've kept coming since then – in swarms. Scientists think the quakes are indicative of magma moving clo ... Show More
13m 14s
Dec 2021
Can the weather trigger a volcano?
Which came first the volcano or the rain? Volcanic eruptions are known to influence global climate systems, even leading to the cooling of the planet. However local weather conditions can also influence the timing and ferocity of volcanic eruptions. As volcanologist Jenni Barclay ... Show More
33m 37s