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They occur because of nature. Volcanic eruptions signal off an earthquake because normally a volcanic eruption and an earthquake are on a fault line/edge of a tectonic plate.

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13y ago

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Related Questions

Why do earthquakes occur more often in some places than in others?

Because fat people live near fault lines and them waddling around causes the plates to shift


Earthquakes occur most often along the?

Earthquakes occur most often along the boundaries of tectonic plates.


Do most earthquakes occur in populated area?

it has nothing to do with population, but they happen very often in highly populated places such as Japan and San Fransico


Do earthquakes often occur at at faults that are away from plate boundaries?

Yes, but not as often as earthquakes happen near plate boundaries


When do earthquakes occur the most?

Japan and Indonesia have it quite often.


What do earthquakes often occur along?

The edge of the oceanic and continental plates.


Do earthquakes most often occur at faults that are away from plate boundary?

Earthquakes infrequently occur away from plate boundaries. Most earthquakes occur at plate boundaries because of the stress caused by the interacting plates.


Where do the weakest earthquakes occur on?

The weakest earthquakes, measuring less than 2.0 on the Richter scale, can occur anywhere around the world. These earthquakes are generally not felt by people and are often only detected by seismographs.


How often do moderate earthquakes 5.0-5.9 occur on earth?

several thousand


Do any landforms occur near earthquakes?

Yes. Not very often, though.


How often and why do earthquakes occur in Califoria?

California has a lot of fault lines, that's why.


Can earthquakes occur in Sydney?

There were at least 13 minor earthquakes in or near Sydney in the last 10 years. The magnitude of these 13 earthquakes ranged from 1.6 to 2.5. Earthquakes can occur in almost every part of Australia but occur much less often than along tectonic plates north and east of Australia.