Question 1: What magnitude was the earthquake that caused panic among Australians?
Answer: The earthquake was reported to be 8.2-magnitude.
Question 2: What was the initial response from authorities regarding the earthquake?
Answer: Authorities issued a tsunami warning following the earthquake.
Question 3: Why did the earthquake and tsunami warning turn out to be a false alarm?
Answer: It was a test of new software by the authorities, although many residents were not aware of this test.
Question 4: How did residents react to the earthquake and tsunami warning?
Many residents were panicked and concerned, as they were not informed about the test beforehand.
Question 5: What measures did authorities take to inform the public about the test?
Authorities had warned residents that a test was incoming, but the communication may not have reached everyone effectively.