The following is an excerpt from National Geographic:
A big earthquake of magnitude 8.2 shook the coast of northern Chile on Tuesday night, setting off small landslides and a small tsunami and killing at least five people. But scientists say the quake, while large, was not the "big one" that is predicted for the region.
"The big question is, is this a foreshock to an even bigger earthquake to come?" Rick Allmendinger asks. Allmendinger, a geologist who specializes in earthquake analysis at Cornell University in Ithaca, New York, is a visiting professor at the Universidad Católica del Norte in Antofagasta, Chile.
"It probably has not released all of the stored-up energy on the subduction earthquake fault in northern Chile," he says. "For the sake of all of our friends in the region, we're hoping that there isn't a bigger one still to come."
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Wet and stormy weather threatens to disrupt holiday plans from the Eastern Seaboard to the Gulf Coast, as well as across the Great Lakes on Memorial Day.
The risk of damaging thunderstorms will continue through the Memorial Day weekend with communities from Michigan to Texas being threatened into Sunday night.
Cyclonic Storm Mora in the Bay of Bengal will take aim at Bangladesh in the final days of May. Northeastern India and Myanmar also face dangers to lives and property.
The unsettled weather plaguing the northeastern United States will continue for much of the week.
The heaviest thunderstorms threatening Indianapolis on Sunday should hold off until after the Indy 500 is run, unless crashes prevent the race from finishing before the late afternoon.
Many communities in Germany will experience their warmest day so far this year on Monday as summerlike warmth surges back.
Sunday was a drier day for many across Britain, but showers will return for Monday's spring bank holiday.
Severe thunderstorms caused significant damage from the central Plains through the mid-Mississippi and Tennessee River valleys during the start of Memorial Day weekend.