Observe: Map exhibits the realm with a shake depth of 4 or better, which U.S.G.S. defines as “mild,” although the earthquake could also be felt exterior the areas proven. The New York Instances
A significant, 7.5-magnitude earthquake struck within the South Atlantic Ocean on Thursday, in keeping with the USA Geological Survey.
The temblor occurred at 10:16 p.m. Japanese, knowledge from the company exhibits.
U.S.G.S. knowledge earlier reported that the magnitude was 8.
As seismologists evaluate obtainable knowledge, they might revise the earthquake’s reported magnitude. Further data collected concerning the earthquake may additionally immediate U.S.G.S. scientists to replace the shake-severity map.
Aftershocks within the area
An aftershock is often a smaller earthquake that follows a bigger one in the identical normal space. Aftershocks are sometimes minor changes alongside the portion of a fault that slipped on the time of the preliminary earthquake.
Quakes and aftershocks inside 100 miles
Aftershocks can happen days, weeks and even years after the primary earthquake. These occasions will be of equal or bigger magnitude to the preliminary earthquake, and so they can proceed to have an effect on already broken places.
When quakes and aftershocks occurred
Supply: United States Geological Survey | Notes: Shaking classes are based mostly on the Modified Mercalli Depth scale. When aftershock knowledge is obtainable, the corresponding maps and charts embrace earthquakes inside 100 miles and 7 days of the preliminary quake. All occasions above are Japanese. Shake knowledge is as of Thursday, Aug. 21 at 10:33 p.m. Japanese. Aftershocks knowledge is as of Thursday, Aug. 21 at 11:46 p.m. Japanese.
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