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around the pacific rim -- think it's called the Pacific Ring of Fire http://en.wikipedia.org/wiki/Pacific_Ring_of_Fire Ninety percent of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

2007-03-20 09:20:50 · answer #1 · answered by --------------- 2 · 0 0

It's been said that it's anywhere that two tectonic plates meet, however this is not completely accurate - the presence of volcanoes can depend on the type of plate margin. If it is a 'destructive' plate margin, where one is subducted (passes under the other), then volcanoes will occur, and the same happens at a constructive plate margin where the plates are moving apart, allowing magma to emerge between them. However, where the plates are moving alongside each other (like California), or where two similar plates collide (forming non-volcanic mountains like the Himalayas), there are no volcanoes, only earthquakes. Roughly speaking, you find volcanoes around the Pacific's 'Ring of fire'.

2007-03-20 14:30:41 · answer #2 · answered by canislupus 3 · 0 0

Anywhere that there are subduction zones and faults. Also, other contributors have stated that you get volcanism anywhere that plate boundaries meet, however, this isn't necessarily the case. Volcanism is caused either by the rifting apart or subduction of a plate. Only oceanic crust will subduct since it will always be more dense than continental crust. This is why there is little to no volcanism in the Himalayas. (A continental-continental boundary, so nothing is being subducted.) If your question is, "Where can you get belts of BOTH earthquakes and volcanoes," I think the best answer is along any subduction or rift boundary. (Mostly subduction)

2007-03-20 11:35:00 · answer #3 · answered by Pecos 4 · 0 0

Tectonic earthquakes beyond the Ring of Fire occur in a variety of geological settings. Mid-ocean ridges—the seafloor-spreading centres of plate tectonics—are the sites of numerous such events of moderate intensity that take place at relatively shallow depths. These quakes are seldom felt by anyone and account for only about 5 per cent of the Earth's seismic energy, but they are recorded daily on the instruments of the worldwide network of seismological stations.

Another setting for tectonic earthquakes is a zone stretching across the Mediterranean and Caspian seas and the Himalaya, terminating in the Bay of Bengal. Within this zone, which releases about 15 per cent of the Earth's seismic energy, continental land masses riding on the Eurasian, African, and Australian plates are being forced together to produce high, young mountain chains. The resulting quakes, which occur at shallow to intermediate depths, have often devastated areas of Portugal, Algeria, Morocco, Italy, Greece, the Former Yugoslav Republic of Macedonia, Turkey, and other countries partly or completely on the Balkan Peninsula; Iran; and India.

2007-03-20 09:22:03 · answer #4 · answered by Anonymous · 0 0

areas of earthquakes and volcanos are found on and near plate tectonic boundaries

earthquakes can be found on any of these but volcanoes are found on destructive and constructive plate boundaries.

earthquakes are formed from a build up of pressure - a famous area is the San andreas fault, US

2007-03-20 09:28:52 · answer #5 · answered by coy carp 3 · 0 0

At, or close to, most Tectonic Plate boundaries, particulary zones of subduction (The Andes) and expansion/spreading (Mid Atlantic Ridge - Iceland) or where plates are slipping past each other, transform boundaries, such as the San Andreas fault in California.

2007-03-21 01:12:51 · answer #6 · answered by Chariotmender 7 · 0 0

Wherever two plates of the earth's crust meet.

Here is a map of the earth with the boundaries between the plates drawn in red:
http://www.globalchange.umich.edu/globalchange1/current/lectures/evolving_earth/tectonic_map.jpg

2007-03-20 09:22:07 · answer #7 · answered by computerguy103 6 · 0 0

Anywhere that the tectonic plates come together you will find lots of seismic and volcanic activity. The Hawaiian Islands are one ofthe busiest areas for that kind of activity.

2007-03-20 09:21:46 · answer #8 · answered by joeinchino2000 4 · 0 0

Any land that is close to the Pacific Ocean.

2007-03-20 09:20:50 · answer #9 · answered by xox_bass_player_xox 6 · 0 0

I always thought it had something to do with eating hot curry but aparently you can find them around the "ring of fire"

2007-03-20 09:31:48 · answer #10 · answered by Anonymous · 0 0

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