Earthquakes

7.3 Earthquake hits near the east coast of Honshu, Japan. A tsunami warning was issued after the earthquake struck off Japan's eastern coast about 7:18pm (AEDT). Buildings were reported to have swayed violently in Tokyo. At 8:19pm workers at the Fukushima nuclear plant were told to retreat to a fortified building at the plant as a precaution. A one-metre high tsunami hit Japan's north-east coast at 8:10pm. Evacuations have been ordered in some places.

6.2 and 5.5 Aftershocks hit near the east coast of Honshu, Japan.

Two 5.0 Aftershocks hit near the east coast of Honshu, Japan. Three 4.8 and three 4.7 Aftershocks also rattled the region.

5.1 and 4.9 Earthquakes hit the Bouvet Island region near the southern mid-atlantic ridge.

5.1 Earthquake hits south of the Sandwich Islands.

5.0 Earthquake hits Tarapaca, Chile.

5.0 Earthquake hits the New Britain region, Papua New Guinea.

4.9 Earthquake hits southern Greece.