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Shake intensity
Note: Map shows the area with a shake intensity of 4 or greater, which U.S.G.S. defines as “light,” though the earthquake may be felt outside the areas shown. All times on the map are Eastern. The New York Times
A major, 7.4-magnitude earthquake struck in Indonesia on Wednesday, according to the United States Geological Survey.
The agency said “hazardous tsunami waves are forecast for some coasts” in Indonesia and that tsunami waves had been observed as a result of the quake.
The temblor happened at 6:48 p.m. Eastern about 79 miles northwest of Ternate, Indonesia, data from the agency shows.
As seismologists review available data, they may revise the earthquake’s reported magnitude. Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map.
Aftershocks in the region
An aftershock is usually a smaller earthquake that follows a larger one in the same general area. Aftershocks are typically minor adjustments along the portion of a fault that slipped at the time of the initial earthquake.
Quakes and aftershocks within 100 miles
The New York Times
Aftershocks can occur days, weeks or even years after the first earthquake. These events can be of equal or larger magnitude to the initial earthquake, and they can continue to affect already damaged locations.
When quakes and aftershocks occurred
The New York Times
Source: United States Geological Survey | Notes: Shaking categories are based on the Modified Mercalli Intensity scale. When aftershock data is available, the corresponding maps and charts include earthquakes within 100 miles and seven days of the initial quake. All times above are Eastern. Shake data is as of Wednesday, April 1 at 7:05 p.m. Eastern. Aftershocks data is as of Wednesday, April 1 at 7:33 p.m. Eastern.
