Download presentation
Presentation is loading. Please wait.
Published byShannon Napper Modified over 9 years ago
1
Earth Quake in Portland By Michael Zara
2
January 15 2003 b Two earthquakes with magnitudes of 5.3 & 5.5 struck the Portland area. b The epicenters were located on the sea floor b The quake did not cause a tsunami or tidal wave. b If these earthquakes had of occurred o land, they would have done considerable damage.
3
Epicenters for Quake b Along Blanco fracture zone (FZ) b Blanco FZ is located next to the Cascadia subduction system. b Past quakes on this zone have exceeded 9.0 on the Richter Magnitude (RM) scale b Quakes this big (>RM9.0) happen every 300 yrs, the last one being in the 1700’s.
4
Oregon State Department of Geology suggestions for dealing with earthquakes b Know how to protect your self by ducking under furniture or finding a safe area. b Prepare a 72 hr emergency kit. b Have a plan for communication with other family members if separated. b Know how to evacuate from coastal areas
5
Fig.4.03 W. W. Norton
6
Fig. 09.18a W. W. Norton
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.