Alaska's Iliamna Volcano last erupted in 1867 and was caught shaking from frequent small earthquakes, which were unlikely to ...

More than 800 tremors have shaken the southwestern Tokara Islands over the past 11 days, including a 5.6-magnitude quake on ...

When the island of Santorini was rattled by thousands of small earthquakes earlier this year, many people were left mystified ...

Scientists found a rhythmic mantle plume beneath Ethiopia is slowly tearing Africa apart - hinting at the birth of a new ...

Scientists worry that recent activity seen on a satellite at a volcano near a major U.S. city could spell disaster for ...