Is Oregon going to have a tsunami?

Oregon has the potential for a 9.0+ magnitude earthquake caused by the Cascadia Subduction Zone and a resulting tsunami of up to 100 feet in height that will impact the coastal area.

How far inland can a tsunami travel in Oregon?

10 miles
Tsunamis can travel as far as 10 miles (16 km) inland, depending on the shape and slope of the shoreline. Hurricanes also drive the sea miles inward, putting people at risk.

How much time will you have to get safe from a tsunami in Oregon?

Be prepared to survive on your own for at least 3 days. Roads, bridges, utilities, and other lifelines may be damaged by the earthquake and tsunami.

Is Portland seismically active?

Portland and its surrounding region is potentially the most seismically active area within Oregon. The Portland metropolitan region has encountered seventeen earthquakes of an estimated magnitude of four and greater, with major earthquakes in 1877 (magnitude 5.3), 1962 (magnitude 5.2), and 1993 (magnitude 5.6).

When was the last major earthquake in Portland Oregon?

The most recent earthquake along a similar fault in the region was a magnitude-5.7 quake in March 1993 just south of Portland, which caused $30 million in damage, the authors wrote.

Is Portland safe from earthquakes?

The only bridge in Portland built to withstand an earthquake is the Tilikum Bridge. “The closer you are to the coast, kind of the greater the impact of that shaking because ground motions will be higher,” Streig said. The ground will drop a little.

When was last tsunami in Oregon?

1964
Since 1854, 21 tsunamis have impacted the Oregon coast. The last two damaging tsunamis were in 1964 as a result of the Great Alaska Earthquake and in 2011 as a result of the Great East Japan Earthquake. It caused severe damage on the Oregon coast and contributed to the loss of lives of four people.

How far inland would a 1000 foot tsunami travel?

Tsunami waves can continously flood or inundate low lying coastal areas for hours. Flooding can extend inland by 300 meters (~1000 feet) or more, covering large expanses of land with water and debris.

When was the last time a tsunami hit Oregon?

2011