Around the Ring of Fire
Locating Plate Boundaries
of the Pacific Rim
, Pacific Northwest Seismic
Data
This is a map of
seismic activity of
the Pacific
Northwest
Each yellow (35-70 km deep) and
orange (less than 35 km deep) dot
represents an earthquake
What pattern do you
see?
What does this
pattern mean?
Map generated using the U.S.
Geological Survey. “Earthquake
Hazards Program :Earthquake
Center”
Locating Plate Boundaries
of the Pacific Rim
, Pacific Northwest Seismic
Data
This is a map of
seismic activity of
the Pacific
Northwest
Each yellow (35-70 km deep) and
orange (less than 35 km deep) dot
represents an earthquake
What pattern do you
see?
What does this
pattern mean?
Map generated using the U.S.
Geological Survey. “Earthquake
Hazards Program :Earthquake
Center”