An earthquake of a magnitude between 5.9 and 6.2 struck near Honshu, Japan at around 9.38pm local time, according to the US Geological Survey. There was no immediate tsunami warning.

The earthquake mainly hit the east side of the country, near Honshu, which is Japan’s main and most populated island. According to the USGS, other cities such as Tokyo may have been affected by earthquake as well. According to Japan Times, the quake hit at around 9.38pm local time in northern Ibaraki Prefecture- home to around 3 million people.

Reports

The magnitude first started at 6.2 but then dropped to 5.9, according to Reuters. Tremors were felt as far away as Fukushima, which is around 300 miles away from the epicenter.

There was no immediate warning of a tsunami, according to public broadcaster HNK. There were also no immediate reports of damage from the earthquake.

According to Chief Cabinet Secretary Yoshihide Suga, there were no anomalies detected at the nuclear power plants in the region.

USGS and the Japanese Meteorological Agency said the depth of the earthquake was shallow at around 10km (6.2 miles), and 18km north-northeast of Daigo.

Geography

Japan sits on four tectonic plates, making it a hotspot for frequent earthquakes. However, rigid building codes and other protections fortunately limit the damage of even the stronger earthquakes.

In March 2011, however, a massive earthquake did strike Japan, giving rise to a tsunami that killed over 18,000 people, and caused a meltdown of three nuclear plants’ reactors- a hazard Japan is still recovering from.

Earlier this year, there were two quakes in Japan, which together caused widespread damage in the country.  The earthquakes hit the Kumamoto prefecture in southern Japan, with over 1,700 aftershocks. At least 50 were reported dead, and many were left injured.