Overview

• Seismological agencies differ on magnitude—JMA at 6.1 and USGS at 5.9—with its epicenter about 107 km southeast of Nemuro at 23:08 UTC on June 18.
• The quake’s shallow depth of around 14.9 km produced a seismic intensity level of 4 in Kushiro Town, Hokkaido.
• No tsunami warnings have been issued in the aftermath of the offshore tremor.
• JMA forecasts minor tide level shifts of up to 20 cm along Hokkaido’s eastern Pacific coast.
• Officials are urging residents to review emergency preparedness measures and remain on alert for possible aftershocks.