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If there's a earthquake underwater, it can cause a tsunami.

>> It can result in a Tsunami such as the 2011 earthquake off the Pacific coast of Tohoku ~ see link below .

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11y ago
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12y ago

an earthquake effects the sea by making a tsunami that will kill fish and over animals also can effect everything

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13y ago

Most fault-lines are under-water, so when the fault-lines slip, it creates a shock wave or tremor underwater.

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11y ago

Yes. Undersea earthquakes are fairly common and are the primary cause of tsunamis.

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13y ago

Normally there is atsunami's soo-na-mee).

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6y ago

it starts to shake

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Q: How do earthquakes occur under the sea?
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Related questions

Do earthquakes occur under the sea?

Yes, it is quite common for earthquakes to occur under the sea. But they can also occur under the land. Any location on the Earth's surface (or close to the Earth's surface, to be more accurate) can have an earthquake, although of course, some locations are more prone to earthquakes than others.


Are there more earthquakes under the sea than on land?

More earthquakes occur underwater than above land


When do tsunamis typically occur?

tsunamis usually occurs after an earthquake specially under sea earthquakes.


Do most earthquakes occur under the ocean floor or on land?

More Earthquakes occur on land.


Are there oceans near where earthquakes occur?

Earthquakes could occur anywhere--on land or in sea. If they occur in the ocean, then they could trigger a tsunami warning.


How are earthquakes created in the water?

They are not. Earthquakes at sea occur in the sea bed under the water, the same as they do on any part of the land. Sometimes this sudden movement will cause enough of the seabed to shift so as to cause a tsunami.


What is caused by an earthquake under the ocean and can do damage great distances from the focus?

If and earthquake occurs under the ocean. If one plate moves upwards vertically than the other plate. Then it will causes a killer wave on sea called a TSUNAMI which can cause severe effect even at a great distance from the sea.


How earthquakes change the earth Include earthquakes that happen under the sea?

earthquakes change the earth because the tectonic plates move, this also happens under the sea.


Can earthquakes happen under water?

Yes, many earthquakes occur under the ocean which is generally in water.


When does a tsunami happen most frequently?

well, tsunami's are caused by earthquakes and most earthquakes occur in the sea.


How do earthquakes under the sea change the sea?

thats when poo is formed


Do earthquakes have to occur on land?

Nope - they can occur at sea too - they're the main cause of tidal waves.