Jun 19 (NHK) - More than 20 tremors believed to be aftershocks of Monday's major earthquake have rattled the western Japanese prefecture of Osaka.
The magnitude-6.1 quake hit before 8 AM on Monday in northern Osaka. On Japan's seismic intensity scale of zero to seven, it's categorized as a six-minus. The quake left 4 people dead and more than 330 injured.
Post-quake tremors continue to affect the area, including one that measured 4 on the Japanese scale at around 0:30 AM on Tuesday.
Agency officials are warning of the growing risk of landslides or building collapse in the hardest-hit areas.
They are calling on people to stay alert for further seismic activity in the next week or so.
Source: ANNnewsCH