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Crustal Fluid Lab
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The lab explores the relationship between volcanoes and earthquakes by studying the distribution of water underground.
AboutAbout the lab
From Understanding “Water” to Assessing Activity
The Crustal Fluid Lab focuses on water in the crust and uses geophysical methods such as geoelectromagnetism and seismology to clarify the distribution of fluids from the subducting plate to the shallow crust.
Building on an understanding of the settings where volcanic eruptions and earthquakes occur, the lab studies the relationship between the two and evaluates the potential for volcanic eruptions.
Key terms
- Resistivity
- A measure of how difficult it is for electric current to flow through a material. It becomes lower where there is water or magma underground.
- Magnetotellurics
- A method for investigating how easily electric current flows underground by simultaneously measuring the Earth's magnetic field and telluric (earth) currents.
- Earthquake swarm
- A series of many earthquakes occurring in one area without a large mainshock.
ResearchResearch themes
The lab uses geoelectromagnetism and seismology to clarify the distribution of fluids from the subducting plate to the shallow crust.
*Illustrative imageFrom Understanding “Water” to Assessing Activity
Focusing on water in the crust, the lab uses methods such as geoelectromagnetism and seismology to clarify fluid distribution from the subducting plate to the shallow crust. It studies the relationship between the settings of volcanic eruptions and earthquakes, and how to assess the potential for volcanic eruptions.
*Illustrative imageEarthquake Swarms and Subsurface Structure in the Noto Peninsula
Around the area of the earthquake swarm in the northeastern Noto Peninsula, the lab analyzes the three-dimensional subsurface resistivity structure to investigate the distribution of fluids underground.
*Illustrative imageElectrical Conductivity of Island Arcs and Volcanic Hydrothermal Systems
The lab organizes research on the distribution of electrical conductivity in the Japanese island arc, where volcanoes and earthquakes are active, from the perspective of subduction zone dynamics. It also investigates the hydrothermal and magmatic systems of Miyakejima using methods such as magnetotellurics.
MembersFaculty
- ProfessorRyokei Yoshimura
- Assistant ProfessorMaki Hata
VoicesStudent voices
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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: “Yugama Crater ( )” TANAKA Juuyoh (田中十洋) / CC BY 2.0 (cropped)
- From Understanding “Water” to Assessing Activity: “Ancient ash deposits on Lesbos” Bouke ten Cate / CC BY 4.0 (cropped)
- Earthquake Swarms and Subsurface Structure in the Noto Peninsula: “R6 noto earthquake wajima street” Hurohukidaikon / CC BY 4.0 (cropped)
- Electrical Conductivity of Island Arcs and Volcanic Hydrothermal Systems: “Mount Kusatsu-Shirane ( )” 姐夫 吳 / CC BY 2.0 (cropped)
- Related lab (巨大噴火研究領域): “Aira Caldera Relief Map, SRTM” Batholith / Public domain (cropped)
- Related lab (火山噴火予知研究領域): “Big Blast at Sakurajima Volcano, Japan ( )” NASA Goddard Space Flight Center from Greenbelt, MD, USA / Public domain (cropped)
- Related lab (地震発生機構研究分野): “Optical fiber cable-07ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Related lab (断層物理研究領域): “Subduction Zone Stratovolcano” Wade Greenberg-Brand/Paleontological Research Institution / CC BY-SA 4.0 (cropped)
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