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.
The water receeds (draws back) into the ocean.
In the context of a natural disaster event, the earthquake typically occurs before the tsunami. This is because the earthquake generates the seismic waves that trigger the tsunami as a series of powerful ocean waves.
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.
The water receeds (draws back) into the ocean.
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
No. Tsunamis have happened through all of human history.
the first tsunami was in 1001 it was 200m high
In the context of a natural disaster event, the earthquake typically occurs before the tsunami. This is because the earthquake generates the seismic waves that trigger the tsunami as a series of powerful ocean waves.
The earthquake was first and caused the tsunami, like when you throw a stone into a pond first and then the ripples go out.
It hit Sumatra first, an Indonesian island.
It hit Sumatra first, an Indonesian island.
An earthquake happens in or very near the ocean. And fortunately, other signs are incredibly rare.