2011 Tohoku Earthquake and Tsunami (Wikipedia)

This source backs 13 claims across the atlas. As facts: 8 well-attested, 1 scholarly debate. As cited relationships: 3 holds. Plus 1 entities citing it as a general reference with no single fact or relationship attached.

Disposition By Topic

• Phenomena, 10 claims: 5 well-attested, 1 scholarly debate, 3 holds, 1 general references.
• Sources, 3 claims: 3 well-attested.