Sumatra subduction zone
E41168
The Sumatra subduction zone is a major convergent plate boundary off the western coast of Sumatra where intense seismic and volcanic activity occurs, including some of the world’s largest recorded earthquakes and tsunamis.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
convergent plate boundary
→
subduction zone → |
| associatedWith |
Barisan Mountains
→
Sumatran volcanic arc → Sunda Trench → |
| boundedBy |
Sunda Trench
→
|
| causes |
deformation of overriding plate
→
strain accumulation along plate interface → uplift of Sumatra forearc → |
| characterizedBy |
arc volcanism
→
intense seismic activity → megathrust faulting → oblique convergence → tsunamigenic earthquakes → |
| country |
Indonesia
→
|
| earthquakeHazardLevel |
very high
→
|
| extendsFrom |
Andaman Islands region
→
|
| extendsTo |
south of Sumatra
→
|
| hasSeismicityType |
deep-focus earthquakes
→
intermediate-depth earthquakes → interplate earthquakes → intraslab earthquakes → shallow-focus earthquakes → |
| knownFor |
2004 Indian Ocean earthquake
→
2004 Indian Ocean tsunami → 2005 Nias–Simeulue earthquake → 2010 Mentawai earthquake and tsunami → |
| locatedIn |
Indian Ocean
→
|
| locatedOffCoastOf |
Indonesia
→
Sumatra → |
| monitoredBy |
Indonesian Agency for Meteorology Climatology and Geophysics
→
global seismic networks → |
| ocean |
Indian Ocean
→
|
| overlies |
Eurasian Plate
→
Sunda Plate → |
| overriddenBy |
Eurasian Plate
→
Sunda Plate → |
| partOf |
Sunda arc
→
Sunda subduction zone → |
| producedEarthquakeMagnitude |
>9.0
→
|
| producedEarthquakeType |
megathrust earthquake
→
|
| riskTo |
coastal communities of Sumatra
→
countries around the Indian Ocean basin → |
| subducts |
Indian Plate
→
Indo-Australian Plate → |
| tectonicSetting |
convergence of Indo-Australian Plate and Sunda Plate
→
oceanic-continental subduction → |
| tsunamiHazardLevel |
very high
→
|
| volcanicHazardLevel |
high
→
|
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Indo-Australian Plate
→
Sunda Plate → |
associatedWith |
|
Indian Ocean Ridge system
→
|
terminatesNear |