Japan tsunami highlights: All warnings downgraded to advisories, people asked to remain alert about more possible quakes

Tsunami warning issued after magnitude 7.6 earthquake

An earthquake with a preliminary magnitude of 7.6 hit north central Japan on Monday, public broadcaster NHK said. The Japan Meteorological Agency issued a tsunami warning along western coastal regions of Ishikawa, Niigata and Toyama prefectures. Tsunami of up to 5 metres high are believed to be reaching Noto in Ishikawa Prefecture, according to the weather agency.

South Korea meteorological agency warns sea level on east coast may rise after Japan quake

South Korea's meteorological agency said on Monday the sea level in some parts of the Gangwon province on the east coast may rise after an earthquake with a preliminary magnitude of 7.6 hit north central Japan.

5-metre tsunami expected to hit coast of Noto peninsula in Ishikawa prefecture, warns broadcaster NHK

Japan chief cabinet secretary Hayashi calls on people to evacuate to a safe place following earthquake and tsunami

Russia's emergencies ministry says parts of far east's Sakhalin island under threat of tsunami, evacuations being carried out

Embassy of India in Japan issues emergency contact numbers for Indian citizens following a strong earthquake and tsunami warnings

Watch: Scary visuals in Japan amid tsunami warning

Two of the three prefectures where the tsunami will hit has nuclear power plants

Worryingly, the warning covers three prefectures, two of which have nuclear power plants, though one has been shuttered since the Fukushima disaster.

See: Map shows quakes which hit off the coast of Japan

A map showing the quakes which struck the west coast of Japan on Monday.

Japan's major telecom carriers are offering users the capability to register and check whether a person is safe after a massive earthquake hit central Japan.

North Korea issues tsunami warnings after massive Japan quake

North Korea issued tsunami warnings for its east coast after a massive quake hit north central Japan on Monday, saying waves of up to 2.08 meters (6.8 ft) can reach its shore. (Reuters)

Japan meteorological agency official: this earthquake's magnitude of 7.6 was largest recorded in Noto peninsula region in Ishikawa since 1885 when data became available

6 people believed to be buried alive after Japan earthquake

Watch: Devastation after Japan earthquake

Watch: What 30 cm of rushing water can do

The impact of 30 cm rushing water on a mannequin has been doing the rounds on social media amid tsunami warning in Japan where up to 5 cm waves are expected to hit.

Japan reels after massive earthquake; see pics

Russia declares tsunami warnings in far eastern regions

Parts of Sakhalin island's western coast and the mainland Primorsk and Khabarovsk regions, which are situated close to Japan on Russia's Pacific seaboard, are under threat of a tsunami, state news agency TASS reported on Monday, citing officials. (Reuters)

Tsunami threat from Japan quake has 'largely passed': Pacific Tsunami Warning Center

The news comes even as North and South Korea, apart from Russia had braced for tsunami after the 7.6 magnitude quake.

Tsunamis are still being recorded, so we urge you to remain evacuated: Japan meteorological agency official

Fire deparments in Japan have said there are many reports of collapsed houses and calls for help from those trapped underneath - NHK

Japan lowers its tsunami warning but still tells people not to go home after a series of earthquakes

Japan dropped its highest-level tsunami alert, issued following a series of major earthquakes on Monday, but told residents of coastal areas not to return to their homes as deadly waves could still come. (AP)

Shelter and cleanup: Japan tries to regain footing after close tsunami shave

After a 7.6 magnitude quake hit Japan there were fears of a tsunami, and while waves did hit the country, the tsunami warning has now been lowered. People who evacuated to higher ground are sheltered now, and cleanup work is under way.

Japan has downgraded all tsunami warnings to advisories but asked citizens to remain alert for more possible quakes - NHK