Read the text and answer the question.
In 1999, a massive earthquake hit İzmit, Turkey. The magnitude was 7.6 and it lasted 37 seconds. The earthquake caused a tsunami in the Sea of Marmara with waves up to 2.5 meters high. More than 17,000 people died and 300,000 houses were damaged. The total damage was about 23 billion dollars.
Which of the following questions does the text answer?
A)How many people survived the earthquake?
B)What was the magnitude of the earthquake?
C)Why did the tsunami happen?
D)When did the tsunami occur?