More than 20 earthquakes have hit central and southeast Asia in the last 24 hours, with one of the most powerful in 75 years in Myanmar.

The updated map shows the parts of the country with the greatest risk of seismic activity. You can see the previous map, from 1991, on this French government site. The map ranks areas based on the ...

Mount Spurr lies about 80 miles west of Anchorage, which is Alaska's most populous city, making it one of the state's most closely watched volcanoes. It last erupted in 1992, spreading ash over ...