Top Tweets for #OpticalFiberStrainmeter

almost 3 years ago

Assembling Borehole sensors at Sea! Installing the cable connecting the borehole #OpticalFiberStrainMeter to the seafloor station! #SafetyFirst! Try not to get snagged going down <400m into the borehole! Test during assembly & try again if issues pop up! #SeizeSlowSlip

Chikyu_JAMSTEC's tweet photo. Assembling Borehole sensors at Sea!
Installing the cable connecting the borehole #OpticalFiberStrainMeter to the seafloor station! #SafetyFirst! Try not to get snagged going down <400m into the borehole! Test during assembly & try again if issues pop up! #SeizeSlowSlip https://t.co/ZsXlfLBaxo

CHIKYU 地球深部探査船「ちきゅう」 @Chikyu_JAMSTEC

almost 3 years ago

Is the ocean floor too noisy for strainmeters? When #slowslip occurs on an underground fault, the surrounding ground is slightly distorted, at most about 1/1 million. But the #OpticalFiberStrainmeter can detect strain changes of 1/100 billion! This tool can see slow-slip, BUT

Chikyu_JAMSTEC's tweet photo. Is the ocean floor too noisy for strainmeters?

When #slowslip occurs on an underground fault, the surrounding ground is slightly distorted, at most about 1/1 million. But the #OpticalFiberStrainmeter can detect strain changes of 1/100 billion! This tool can see slow-slip, BUT https://t.co/bgD97iMFTA

CHIKYU 地球深部探査船「ちきゅう」 @Chikyu_JAMSTEC

almost 3 years ago

\Aboard #Chikyu scientists are busy even w/o drilling⁉️/ Yes❗️ In the Core Tech Workshop, they're busy connecting & checking sensors for the borehole👀 After deploying the #OpticalFiberStrainMeter below the seafloor, it'll be permanently set in place w/cement‼️ #SeizeSlowSlip

$Chikyu_JAMSTEC's tweet photo. \Aboard #Chikyu scientists are busy even w/o drilling⁉️/ Yes❗️ In the Core Tech Workshop, they're busy connecting & checking sensors for the borehole👀 After deploying the #OpticalFiberStrainMeter below the seafloor, it'll be permanently set in place w/cement‼️ #SeizeSlowSlip https://t.co/qpJFE4zoIw$

10K

CHIKYU 地球深部探査船「ちきゅう」 @Chikyu_JAMSTEC

almost 3 years ago

＼#OpticalFiberStrainMeter⁉️／ #SlowSlip is when earthquakes slide measured in days, weeks, or longer. Too small to be detected with seismometers, the #OpticalFiberStrainMeter will use optical fibers to detect the slight expansion & contraction of slow-slip at nano-levels.

Chikyu_JAMSTEC's tweet photo. ＼#OpticalFiberStrainMeter⁉️／
#SlowSlip is when earthquakes slide measured in days, weeks, or longer. Too small to be detected with seismometers, the #OpticalFiberStrainMeter will use optical fibers to detect the slight expansion & contraction of slow-slip at nano-levels. https://t.co/jEyZSpFeae

11K

CHIKYU 地球深部探査船「ちきゅう」 @Chikyu_JAMSTEC

almost 3 years ago

＼#Chikyu arrives on Site✨／ Let’s drill‼️ But first, deploy the acoustic transponders, essential for station-keeping⚡An #ROV (unmanned vehicle) will help deploy the #OpticalFiberStrainMeter into a 500m-deep borehole in water 2600m deep‼️ #LTBMS　#JAMSTEC

Chikyu_JAMSTEC's tweet photo. ＼#Chikyu arrives on Site✨／

Let’s drill‼️ But first, deploy the acoustic transponders, essential for station-keeping⚡An #ROV (unmanned vehicle) will help deploy the #OpticalFiberStrainMeter into a 500m-deep borehole in water 2600m deep‼️

#LTBMS　#JAMSTEC https://t.co/q2v5W689H4

11K

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