An earthquake of magnitude 6.0 occurred in Japan

An earthquake of magnitude 6.0 occurred in Japan off the coast of Okinawa Prefecture announced a tsunami threat. The epicenter lies at a depth of 40km and was 100km from the coast of the Ryukyu archipelago.

The nearest Naga city. Nago city in Japan, located in Okinawa Prefecture. The area is 210,38 km2, population — 59587 human population density — 290,68/km2.

Nago, Japan
110.6 km (68.7 mi) NNE
Population: 59,587
Naze, Japan
134.6 km (83.6 mi) SW
Population: 41,365
Ishikawa, Japan
137.3 km (85.3 mi) NNE
Population: 22,412
Gushikawa, Japan
141.1 km (87.6 mi) NNE
Population: 65,251
Naha, Japan
164.0 km (101.9 mi) NNE
Population: 300,795

Okinawa Prefecture in southern Japan, located between the island of Kyushu and Taiwan. Consists, actually, of the island of Okinawa, as well as several dozen smaller Islands forming the Ryukyu archipelago.

For a few seconds before the storm system triggered urgent alerts to mobile devices of people in the country have an urgent message, urging people to take shelter in safe places.