Japan 2011 Earthquake & Tsunami Quiz

Which three plates meet near Japan?

• Pacific, Eurasian, Philippine

• North American, Cocos, Eurasian

• Nazca, Pacific, Indian

• African, Antarctic, Indo-Australian

What percentage of the world’s M6+ earthquakes occur in Japan?

• 5%

• 10%

• 20%

• 30%

At what rate is the Pacific Plate moving towards the Eurasian Plate?

• 2 cm/yr

• 5–10 cm/yr

• 20 cm/yr

• 1 m/yr

The 7.2 quake on 9 March 2011 was significant because:

• It destroyed Tokyo directly

• It was a foreshock to the 11 March quake

• It caused the Fukushima meltdown

• It prevented a larger tsunami

By how much did the Eurasian Plate shift during the 9.0 quake?

• 1 cm east, 1 cm down

• 10 cm east, 10 cm up

• 20 m east, 2 m up

• 2 m east, 20 m up

The quake released energy equivalent to how many Hiroshima bombs?

• 50

• 500

• 1,000

• 30,000

Tsunami destructiveness depends on:

• Wave colour and salinity

• Wave height, speed, coastal topography

• Wind speed only

• Depth of magma chamber

How fast did tsunami waves travel?

• 30 km/h

• 100 km/h

• 200 km/h

• 800 km/h

How high did waves reach in some locations?

• 2 m

• 6 m

• 10 m

• 40 m

Near Sendai, how far inland did waters reach?

• 1 km

• 2 km

• 5 km

• 10 km