what is a warning sign of a tsunami
The first sign is a rapid drop in the sea level.
No. At the the time there was no tsunami warning center in the Indian Ocean. They received no warning. The first indication anyone in Indonesia got was the ocean receding before the tsunami struck, but most people did not know that this was a sign of a tsunami.
Obviously, the earthquake happens first and then tsunami follows.
The water receeds (draws back) into the ocean.
The earthquake was first and caused the tsunami, like when you throw a stone into a pond first and then the ripples go out.
The first sign is a rapid drop in the sea level.
No. At the the time there was no tsunami warning center in the Indian Ocean. They received no warning. The first indication anyone in Indonesia got was the ocean receding before the tsunami struck, but most people did not know that this was a sign of a tsunami.
Obviously, the earthquake happens first and then tsunami follows.
The water receeds (draws back) into the ocean.
The earthquake was first and caused the tsunami, like when you throw a stone into a pond first and then the ripples go out.
The effect we now call tsunami has been happening since there have been oceans on the planet Earth (billions of years). There was no "First Tsunami"; the Japanese have been calling the effect 'tsunami' for many centuries.
2004
china
No. Tsunamis have happened through all of human history.
the first tsunami was in 1001 it was 200m high
Do you mean the first wave of the recent Japanese tsunami? If so, the first wave struck late on Thursday night.
It hit Sumatra first, an Indonesian island.