The Japan Meteorological Agency urged Kyushu residents to be wary of aftershocks from the strong Jan. 13 earthquake but said the temblor did not heighten the risk of a dreaded Nankai Trough megaquake.

The government lifted its megaquake advisory just after 5 p.m. on Aug. 15, but urged the public to remain vigilant for a possible Nankai Trough earthquake. The Japan Meteorological Agency issued ...

Ishiba’s predecessor, Fumio Kishida, planned to visit the region last August, but canceled the trip after emergency information about a possible Nankai Trough megaquake was issued.

The South Branch of the Potomac flows through shadow in The Trough north of Moorefield, W.Va.. From Google Maps. George Washington referred to the canyon as “The Trough” after a surveying expedition ...