8.0-Magnitude Earthquake Causes Tsunami Warning For Alaskan Islands 0 Floral Giraffe ScienceJune 2014Monday, June 23, 2014 at 6:52 pm PDT • Views: 1,093 8.0-Magnitude Earthquake Alaskan Islands Aleutian Arc Canadian Pacific Coasts Coastal Areas Coastal Regions Nondestructive Sea-Level Changes Tsunami Threat Tsunami Warning