2006-06-14 13:36:40 · 8 answers · asked by Jenna S 1 in Science & Mathematics ➔ Earth Sciences & Geology
That depends upon where you live. If you are on the West Coast of America for instance, the best indication will most likely be the EAS (Emergency Alert System). This alert will come through tv, radio, and sirens in low areas.
If you live near the source, the first indication may be a earthquake. If you are at the beach and you feel a tremor, it is a good idea to at least prepare to evacuate.
If there are neither of these warnings, and the ocean suddenly goes out, it is a very good idea to head for higher ground. Many tsunami reach shore with the 'low' part of the wave, and that can be recognized.
The worst thing that can happen is a underwater slide that triggers a tsunami, yet is not associated with a significant seismic event. In this case, no matter where you are, you may not get a warning. But, these are rare, and I wouldn't loose sleep over them.
Just be aware of where you are. If you live or travel in tsunami areas, stay alert.
2006-06-14 13:53:19 · answer #1 · answered by Karman V 3 · 1⤊ 0⤋
Signs of an approaching tsunami
The following have at various times been associated with a tsunami :
An earthquake may be felt.
Large quantities of gas may bubble to the water surface and make the sea look as if it is boiling.
The water in the waves may be unusually hot.
The water may smell of rotten eggs (hydrogen sulfide) or of petrol or oil.
The water may sting the skin.
A thunderous boom may be heard followed by
a roaring noise as of a jet plane
or a noise akin to the periodic whop-whop of a helicopter,
or a whistling sound.
The sea may recede to a considerable distance.
A flash of red light might be seen near the horizon.
2006-06-14 13:40:49 · answer #2 · answered by FishRN 3 · 0⤊ 0⤋
A tsunami happens when an earthquake occurs at sea. Local authorities usually warn the population.
2006-06-14 13:41:32 · answer #3 · answered by Alej 5 · 0⤊ 0⤋
An earthquake for one, then sometimes the shoreline recedes into the ocean. Like the Indonesian one, some people said the water was like a 1/4 mile into the ocean compared to where it usually is.
2006-06-14 13:42:01 · answer #4 · answered by gq1412@sbcglobal.net 3 · 0⤊ 0⤋
The water gets sucked out to sea.
2006-06-15 20:07:37 · answer #5 · answered by Professor Armitage 7 · 0⤊ 0⤋
A large earthquake in the middle of the ocean.
That's all I know of.
2006-06-14 13:40:35 · answer #6 · answered by lennyfoshenny 2 · 0⤊ 0⤋
A huge wave headed your way.
2006-06-14 13:40:48 · answer #7 · answered by TWB 1 · 0⤊ 0⤋
earthwuake
2006-06-20 04:06:29 · answer #8 · answered by ccccccccdddddgggggrrrrwwwsszcvbn 1 · 0⤊ 0⤋