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Given the relevance of this subduction system, I would expect that a wide range of detectors (temperature, vibration, seismometers, whatever) are deployed in the depth of these trenches. What would be the canonical source at which one could access the readings of these detectors?

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Agreed it is just geology; but this is the closest stackexchange to ask... – arivero Mar 14 '11 at 9:47
I live in Japan and would also like to get more geophysics data about the first earthquake... Or get a sea bed picture of before/after. Definitely not easy! – ringø Apr 10 '11 at 1:34
My mechanics instructor in grad school was a observational (as opposed to theoretical) geophysicist and this kind of thing was right up his alley. I'm inclined to treat it as on topic, but possibly a list question. Can you say what you are interested in learning? That would give the problem a well defined correct answer. – dmckee Apr 29 '13 at 23:53
It could be a reference-request if the question is asking for the official, direct source to get data from the detectors. – David Z May 1 '13 at 3:05
I edited the question to make that a bit more clear. – David Z May 3 '13 at 3:06
up vote 2 down vote accepted

The idea of seafloor observatories making their data available freely and online is a vision and there are observatories being proposed by several of the major oceanographic institutions. Search for the term "seafloor observatory."

You might also take a look here, or contact the researchers:

Realtime Data from the Deep Sea Floor Observatory (off Kushiro-tokachi, off Muroto, off Hatsushima)

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