Magnitude 6.4 earthquake strikes near Japan's west coast

A magnitude 6.4 earthquake struck off the coast of northwestern Japan around 10:22 p.m. Tuesday (around 9:22 a.m. EDT), the United States Geological Survey said.

The quake was rated initially rated 6.8 by the Japan Meteorological Agency, which also listed a tsunami advisory for portions of the country's west coast, including the Yamagata, Niigata and Ishikawa prefectures.

The tsunami advisories have since been lifted and the earthquake was adjusted to a magnitude 6.7 by the Japan Meteorological Agency.

The U.S. National Tsunami Warning Center said there was no tsunami danger for the west coast of the U.S. as well as Alaska.

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A small tsunami, measuring 10 cm (4 inches) was reported following the earthquake in northwest Japan with no initial reports of damage from the tsunami.

(Image/USGS)

The earthquake occurred about 20 miles to the west of Tsuruoka, Japan, located in the Yamagata Prefecture. The depth of the quake was 16.1 km (10 miles).

Power outages were reported for more than 9,000 homes across Yamagata and Niigata prefectures according to government sources.

The government also reported that no damage or irregularities were reported at any nuclear power facilities across the country.

There have been no initial reports of fatalities; however, several minor injuries have been reported.

The earthquake is also responsible for damage to roadways and some rail services have been suspended pending review of track conditions.

Falling objects have been reported following the quake which caused shaking for 10-20 seconds.

Showers and thunderstorms will be scattered across central and northern Japan on Wednesday which could impact recovery efforts.

Rainfall will become more localized on Thursday and Friday with most of each day being rain-free in any given location across the country.