The Japan Meteorological Agency is still unable to pinpoint the scale and focus of an earthquake that occurred on Monday which triggered tsunami of up to 60 centimeters in the Izu Islands in the Pacific Ocean, south of Tokyo.
Japanese Foreign Minister Kamikawa Yoko has said in a statement that she is "deeply saddened by the large number of deaths and the extensive damage" that was caused by the quakes in western Afghanistan on Saturday.
Japanese weather officials are warning that moist air is making atmospheric conditions in northern Japan extremely unstable and triggering heavy rain there.
Local authorities in Shizuoka Prefecture in central Japan have issued evacuation orders to parts of two cities where heavy rain has increased the risk of landslides.
A severe tropical storm is expected to approach Japan's Ogasawara Islands in the Pacific Ocean later this week and the country's main island of Honshu next week.
Children at an elementary school in a village in Kumamoto Prefecture, southwestern Japan, have marked the third anniversary of deadly flooding that hit the region.
Meteorologists in Japan are warning of the risk of landslides or other disasters due to heavy rain in areas along the Sea of Japan coast through Saturday.