Scientists have discovered giant reservoirs of magma hidden beneath dormant volcanoes in the Cascade Mountains.
Planet Earth
Earth from Space: Spirit Lake, a heart-shaped lake formed by the massive eruption of Mount St. Helens
Earthquakes at Alaska's massive Mount Spurr volcano have increased again — and there's now a 50/50 chance of an eruption
Hawaii's Kilauea volcano erupts, spewing lava 330 feet into the air
4ft tsunami hits Tonga after explosive underwater volcano eruption
Scientists Find 'Invisible' Earthquake Caused Mysterious 2021 Tsunami
Magnitude 7.3 earthquake hits Fukushima, tsunami warning issued
The first megatsunami recorded since ancient times was caused by the eruption of the Tonga volcano
Tsunamis up to 90ft high hit New Zealand every 580 years, study finds
Magnetic signals from Earth's tides detected in unprecedented detail
30,000-year-old vulture feathers 'not at all like what we normally see' preserved in volcanic ash
Mariana Trench Test: How Deep Do You Know It?
