The quake took place 3 a.m. EDT (0700 UTC) Friday morning in the earthquake-prone, sparsely populated Aleutian arc, some 400 miles (600 km) from Anchorage.
Posts by Deborah Byrd
Detailed analysis of a particular type of call – known as an upcall – let human researchers single out individual whales.
No beach days yet? This wonderful video by Colin Legg lets you spend two days and nights at a reef in Australia.
Check out this video. More evidence that octopuses are amazing.
According to scientists who made the discovery, the find provides conclusive evidence that, millions of years ago, there was more than one human species.
Photo and report from an EarthSky friend who regularly watches for them.
Imagine setting global warming to music. That’s what a student at University of Minnesota has done, basing his composition on actual temperature data since 1880.
$1.5-billion project halted last month, following demonstrations. Gov. David Ige said to continue, but that one-fourth of telescopes on Mauna Kea should be removed.
A deadly heatwave has gripped India since April. The death toll has now risen to more than 1,100. Cooling monsoon rains are not expected for several more days.
Mammatus clouds don’t keep extending downward to form tornadoes, as some believe. But they do come before, during or after severe weather.