A "swarm" of earthquakes began at Mount Rainier in Washington in the early morning hours on Tuesday with hundreds of quakes detected so far, making it the largest such event at the volcano since 2009.

Tectonic earthquakes are among the most powerful natural phenomena on the planet. It’s no surprise, then, that they are sometimes suspected of being able to trigger volcanic eruptions. Earth’s ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news ...

Preface: Essay on plate tectonics -- Acknowledgments -- Introduction -- Entries A-Z -- Appendix A: Chronology of earthquakes and volcanic eruptions -- Appendix B: Eyewitness accounts of major ...

The overnight eruption of the Krasheninnikov Volcano in Kamchatka, its first in 600 years, may be connected to the huge earthquake that rocked Russia’s Far East last week, Russia’s RIA state news ...

Less than a week after a massive 8.8-magnitude earthquake sparked tsunami warnings throughout the Pacific Ocean, a volcano in far eastern Russia, on Sunday, spewed hot ash miles into the sky, marking ...

Any aviation-related activity near Mayon and Kanlaon is temporarily banned. Government agencies readied relief packs for residents affected by both volcanoes ...

The 1975 Kalapana earthquake brought big changes to lives of the people affected by the fatalities and damage, as well as big changes to our understanding of Kilauea’s south flank. Scientists at the ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...