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Kurashimo Lab
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The lab explores the structure of plates and the crust through dense seismic observations and controlled-source seismic surveys.

AboutAbout the lab
Mapping underground structure with arrays of seismometers.
Kurashimo Lab conducts research on observational seismology and plate tectonics.
Using dense seismic observation, in which many seismometers are deployed at close spacing, the lab investigates the subsurface structures that influence how slip occurs at the boundaries of subducting plates.
Using controlled-source seismic surveys, which rely on artificially generated vibrations, the lab also studies the characteristics of the crust in island arcs such as the Japanese archipelago.
Key terms
- Dense seismic observation
- Seismic observation in which many seismometers are deployed at close spacing. It allows the subsurface structure to be imaged in fine detail.
- Controlled-source seismic survey
- A method that uses artificially generated vibrations, such as from vibroseis trucks or explosive blasts, and studies the subsurface structure from how the resulting waves propagate.
- Island arc
- A chain of islands curving in an arc along a zone where an oceanic plate subducts. The Japanese archipelago is an example.
ResearchResearch themes
The lab uses dense seismic observation and controlled-source seismic surveys to clarify the structure of subducting plate boundaries and the crust of island arcs.
*Illustrative imageStructures that control slip on plate boundaries
Using dense seismic observation, the lab investigates the subsurface structural factors that control how slip occurs at the boundaries of subducting plates.
*Illustrative imageSeismological characteristics of the island arc crust
Using controlled-source seismic surveys, the lab investigates the seismological characteristics of the island arc crust.
MembersFaculty
- Associate ProfessorEiji KurashimoPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Geophone Cables and Seismic Vibrator Trucks” Wsx2 / CC BY-SA 3.0 (cropped)
- Structures that control slip on plate boundaries: “Geofoon SCAN Aardwarmte 2” IIVQ / CC BY-SA 4.0 (cropped)
- Seismological characteristics of the island arc crust: “MERTZ Vibroseis Vehicle left” LutzBruno / CC BY 3.0 (cropped)
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