You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "how long did the tsunami in japan 2011 last?" whose answer is 6 minutes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: duration 2011 japan tsunami
Useful Output:

Doc 1: — March 11, 2011: A magnitude 9.0 earthquake strikes off the coast at 2:46 p.m., triggering a towering tsunami that reaches land within half an
Doc 2: Has Japan recovered from the 2011 earthquake and tsunami? In July 2011, the Japanese government set a 10-year timeline for recovery with
Doc 3: The March 11 earthquake started on a Friday at 2:46 p.m. local time (5:46 a.m. UTC). It was centered on the seafloor 45 miles (72 kilometers)
Doc 4: Here's a look at the earthquake and tsunami that struck Japan in March of 2011. March 11, 2011 - At 2:46 p.m., a 9.1 magnitude earthquake
Doc 5: A powerful 8.9-magnitude earthquake hit Japan on Friday (March 11) at 1446 local time (0546 GMT), unleashing massive tsunami waves that crashed into Japan's