A few minutes. Not long. Most of it depends on how strong the quake was that caused the tsunami and how far out it is from land.
what is a warning sign of a tsunami
Obviously, the earthquake happens first and then tsunami follows.
The earthquake was first and caused the tsunami, like when you throw a stone into a pond first and then the ripples go out.
Do you mean the first wave of the recent Japanese tsunami? If so, the first wave struck late on Thursday night.
The first communication that can happen regarding in surviving a tsunami would be to warn the public allowing them enough time to allow them to escape to higher ground.Prior to that, there should be ongoing communication educating about preparing emergency plans in the event there is a tsunami. The time to figure out what evacuation route to take, supplies to grab, where the family will meet after an event, etc. is not during the emergency.If communication systems are still in place after a tsunami hits, they might help a rescue team find you.
The prophesy said that the first ashore would be the first to die; he did so, but killed four men before Hector killed him.
what is a warning sign of a tsunami
James Cook only ever came ashore at Botany Bay.
Obviously, the earthquake happens first and then tsunami follows.
1971
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
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.
The first communication that can happen regarding in surviving a tsunami would be to warn the public allowing them enough time to allow them to escape to higher ground.Prior to that, there should be ongoing communication educating about preparing emergency plans in the event there is a tsunami. The time to figure out what evacuation route to take, supplies to grab, where the family will meet after an event, etc. is not during the emergency.If communication systems are still in place after a tsunami hits, they might help a rescue team find you.