Rogue sub sparks Japan sea alert
133397
There is a military alert in Japan after an unidentified submarine is detected inside the country's waters.
192678
Japan took up with China the issue of a suspicious submarine that intruded into its waters amid alarm in Tokyo that the vessel was a show of strength from its neighbour and growing competitor.
739832
Japan continued Friday to monitor the movements of an unidentified submarine that entered its waters briefly Wednesday, to see if it entered Chinese waters.
521288
TOKYO  - Japan took up with China the issue of a suspicious submarine that intruded into its waters amid alarm in Tokyo that the vessel was a show of strength from its neighbour and growing competitor.
541137
Japan is preparing a set of high-level   alert procedures to follow in the event of a nuclear power   plant accident abroad, out of concern that North Korea may   carry out an underground nuclear test, Kyodo News said on   Saturday, citing government sources.
617304
By Kozo Mizoguchi Associated Press  TOKYO -- Japan has launched a satellite-based alert system that will instantly send warnings of tsunamis and updates on volcanic activity to help speed evacuations, an emergency official said.
608273
Japan is preparing a set of high-level  alert procedures to follow in the event of a nuclear power  plant accident abroad, out of concern that North Korea may  carry out an underground nuclear test, Kyodo News said on  Saturday, citing government sources.
62629
JAPAN lodged a formal protest with Beijing yesterday, claiming that a Chinese submarine had entered its territorial waters. Japanâs navy has been on alert since Wednesday when the submarine was first spotted off the island of Okinawa.
677471
An unidentified submarine was found in the Japanese waters Wednesday morning, Chief Cabinet Secretary Hiroyuki Hosoda said. The submarine was spotted in Japan&#39;s territorial waters
204182
China&#39;s newest ballistic missile  submarine, the Jin-class vessel, has been spotted for the first  time by a commercial satellite, a nuclear expert at the  Federation of American Scientists said on Thursday.
506945
The Japanese navy was mobilized on  Wednesday for the first time in five years after an  unidentified submarine was spotted in waters off Japan.
9085
Reports emerge of an incident on board a submarine in the Russian Far East in which one sailor was killed.
333556
Japan has reportedly dispatched surveillance ships to the Sea of Japan, believing that North Korea may be preparing to launch a ballistic missile.
498304
Japan issued a tsunami warning Wednesday after a 6.8-magnitude earthquake struck off its eastern coast. There were no immediate reports of injuries or damage.
495098
A submarine that intruded into waters off Japan earlier this week has been identified as Chinese, Japan's top government spokesman Hiroyuki Hosoda said on Friday, adding that Tokyo would protest to Beijing.
616353
Japan's Coast Guard Sunday dispatched patrol ships and aircraft after spotting a boat carrying Chinese activists to a group of disputed islands claimed by Japan, China and Taiwan.
61972
Japan&#39;s navy went on alert Wednesday when an unidentified submarine made a brief incursion into the country&#39;s southern waters near Okinawa.