1. Earthquake in Chile
s1180197 Kana Horii

2. Scale
When: February 27, 2010
Season: Summer
Magnitude: 8.8
Focal depth: 35km
Maximum seismic intensity: VIII(Mercalli intensity
scale)
Grade: The fifth in the world(At that time)

3. Details
Type: The deep type earthquake
Epicenter: 35 kilometres (22 mi) or 30.1
kilometres (19 mi)
Length of active fault: 450-500m
Slippage: 8m
Plates: The Nasca plate on the Pacific Ocean
side sinks under the South America plate on a
continental side in Peru and Chile Trench and it
crowds.

4. Tsunami
Maximum: More than 30m
Most of the dead is
due to the tsunami.

5. Personal suffering
Region Frequency
Valparaiso 20
Metropolotana 38
O'Higgins 48
Maule 587
Biobio 92
Araucania 14
Total 799
Number of dead

6. Material damage
● Massive power outage
● The Arturo Merino Benitez international airport
destroys part, and is a temporary closure.
● The area of the territory in Chile increases by 1.2
square kilometers.
● There is a possibility that the length of a day
shortened for 1.26/1,000,000 seconds.

7. After shocks
Magnitude Frequency
More than 4.5 326
More than 6.0 16

8. Conclusion
● A big aftershock happened many times.
● The tsunami was observed in various places.
● The victim went out a lot.