A strong earthquake and about 20 smaller temblors have struck a small volcanic island south of Tokyo, but there is no danger of a tsunami and no injuries have been reported.

Japan’s Meteorological Agency says a magnitude-6.2 quake hit just off Miyake island on Wednesday evening at a depth of 20 kilometers (12 miles). About 20 smaller temblors have also been recorded in the area since the morning.

The agency says it has detected no significant elevation in the island’s volcanic activity and that there is no danger of a tsunami.

The volcano, located 180 kilometers (110 miles) south of Tokyo, most recently erupted in 2000, forcing all 3,000 of the island’s residents to evacuate.

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