1. The subduction zone
2. Earth crust
3. Plate boundary
2. The one piece of evidence could only affect the part of the earthquake; it couldn’t make a part of the earth quake. The follow part of the earthquake is relating to each other, so it caused the earthquake.
3. I learned that the BC, Washington and majority of south along to the east coast are experienced the ground shaking, there is the place that the magnitude earth quake would occurs anytime. I thought because the subduction zones along the west coast, it is extremely affected the city in Seattle and Vancouver.
4. There are a little eruption would affect the environment in Vancouver, but it only have a little chance for ash follow out to the van cover,if it flow to the Vancouver, it would cause a big trouble.