A strong, 6.5-magnitude earthquake struck in Mexico on Friday, according to the United States Geological Survey. The temblor ...

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

Earthquakes and tsunamis in the news over the past few days are a reminder that we live on a dynamic planet with different hazards and associated response times. While tsunamis generated by large, ...

Mexico’s Popocatépetl volcano has long drawn attention for its size, constant activity, and glowing plumes of smoke and ash, ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

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.

A recent earthquake swarm at Mount Rainier in Washington state, along with increased volcanic activity in Alaska, Oregon, and Hawaii, has captured the news media's attention and sparked questions ...

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 ...

Triggering earthquakes and spewing magma and hot ash out of the ground, volcanoes are known for producing some of the most catastrophic natural disasters. These mountains are typically formed by plate ...

Russia’s Krasheninnikov volcano erupted for the first time in centuries on August 3, sending ash and gas nearly four miles into the atmosphere—less than 150 miles away from the epicenter of the ...

The sixth strongest earthquake ever recorded struck Russia’s far east Kamchatka Peninsula on July 29 and has seemingly triggered a string of nearby volcanoes. According to the United States Geological ...