What was the magniture for the Japanese Earthquake on March 11, 2011?
M9.0
100
Which type of volcano does Mount Fuji belongs to?
Dormant volcano
100
Which direction(s) does a tsunami travel?
ALL directions
100
Himalayas is an example of which tectonic landform?
Fold mountain
100
消防員應把握在發生地震後多少小時內拯救生還者？
黃金72小時
200
Where and when was the largest earthquake ever recorded in human history? What was the magnitude?
Chile (1960), M9.6
200
During volcanic eruption, what may also be erupted besides lava? Name two other materials.
1) Poisonous gas
2) Dust
3) Volcanic ash
4) Rock debris
200
What are the three basic criteria for the occurrence of a tsunami?
1) Submarine earthquake (volcanic eruption or landslide)
2) Magnitude 6.5 or above
3) Vertical displacement of seabed
200
Give two examples of landform which suitate along constructive plate boundaries.
1) Mid-oceanic ridge
2) Submarine volcano
3) Volcanic island
4) Rift valley
5) Transform faults
200
為何肥胖的人，在地震後的生還機會較低？
因為他們需要能量較多，耗盡能量的速度亦較快
300
"Megathrust Earthquake" usually takes place only along which type of plate boundary?
Destructive (Convergent) Plate Boundary
300
Hawaii has volcanic eruptions despite the fact that it locates far away from plate boundaries. This is an evident of the extistence of a ...
Hot spot
300
Name three countries which were affected by the Indian Ocean Tsunami in 2004.
1) Indonesia
2) Thailand
3) Myanmar
4) Malaysia
5) India
6) Sri Lanka
7) Maldives
8) Somalia
300
Easter Island situates at the plate boundary shared by which two tectonic plates?
Pacific Plate + Nazca Plate
300
請正確讀出全球最小的板塊的名稱
Juan de Fuca
400
When was the strongest earthquake ever affected Hong Kong, which caused widespread damage in the city? What was its magnitude?
1918 Shantou Earthquake (M7.2)
400
Vulcanicity never exists along which type of plate boundary?
Conservative (Transform) Plate Boundary
400
Why does Atlantic Ocean have relatively fewer and weaker tsunami?
Because
1) Destructive plate boundaries are less common in the Ocean.
2) Tensional force along constructive plate boundaries could hardly accumulate enough pressure to trigger a tsunami.
The arrival of which type of seismic wave allows the Japanese Government to issue early earthquake warning 10-15 seconds before the actual vibration occurs?
Primary wave (P wave)
500
Which ancient Italian city was destroyed by a sudden volcanic eruption from Mount Vesuvius?
Pompeii
500
What is the minimum height of a tsunami which may trigger significant damage?
50cm
500
Name the two tectonic plates which are newly recognized as independent plates.