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  • 21 Aug, 2019

  • By, Wikipedia

Itoigawa-Shizuoka Tectonic Line

Itoigawa-Shizuoka Tectonic Line (ISTL) (糸魚川静岡構造線, Itoigawa Shizuoka Kōzō Sen), also Ito Shizu Sen (糸静線) is a major fault zone on Honshu island running from Itoigawa, Niigata Prefecture, through Lake Suwa, and on to Shizuoka in Shizuoka Prefecture. It is often confused with the Fossa Magna ("great rift"), a geological feature it forms the western boundary of.

Seismic activity

Recent significant earthquakes on this tectonic line include:

References

35°29′28.4″N 138°19′33.6″E / 35.491222°N 138.326000°E / 35.491222; 138.326000