Question: Which tectonic plates cause earthquakes in Indonesia?

What type of plate boundary is near Indonesia?

Weak Tectono-Magmatic Relationships along an Obliquely Convergent Plate Boundary: Sumatra, Indonesia. The tectono-magmatic relationships along obliquely convergent plate boundaries, where strain partitioning promotes strike-slip structures along the volcanic arc, are poorly known.

Why Indonesia has the most earthquake?

Indonesia is in a very active seismic zone, also, but by virtue of its larger size than Japan, it has more total earthquakes. Which country has the most earthquakes per unit area? This would probably be Tonga, Fiji, or Indonesia since they are all in extremely active seismic areas along subduction zones.

What is the geology of Indonesia?

The present-day geology of Indonesia is broadly the result of Cenozoic subduction and collision at this margin. Indonesia is an immense archipelago of more than 18,000 islands extending over 5000 km from east to west between 95° and 141° E, and crossing the equator from 6° N to 11° S (Figs. 1 and 2).

Why is Sumatra prone to earthquakes?

The Sumatra region is prone to earthquakes because it lies at the boundary of two of Earth’s shifting tectonic plates—the Indian Ocean crust is creeping steadily northeast and subducting beneath Sumatra.

Which type of boundary is known for causing big earthquakes?

About 80% of earthquakes occur where plates are pushed together, called convergent boundaries. Another form of convergent boundary is a collision where two continental plates meet head-on.

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Is plate tectonic?

A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.

What are the two types of tectonic plates?

The two types of tectonic plates are continental and oceanic tectonic plates.