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since April 1996, providing a continuous recording of MT signals at the
Mizusawa Geodetic Observatory and the Esashi Station of the GSI. These stations measure fluctuations in the earth's electromagnetic field that correspond with seismic activity. The raw geophysical time-series data from these
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Since it is difficult to refer to the altitude in Tokyo for remote islands, 37 islands have their own zero point. The heights of
Okinawa z. B. are measured from the middle water level of Nakagusuku Bay ( 中 城 湾 , Nakagususku-wan ) and that of Miyake from the Ako Bay.
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monitoring stations is freely available to the scientific community, enabling further study of the interaction between EM events and earthquake activity. The MT time series data from the GSIJ earthquake monitoring stations is available online at
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or Tokyo Peil (TP for short, "Tokyo level"), where the word Peil comes from the Dutch language. The stone base monument of the datum has a crystal scale with a 0 which indicates 24.3900 m (80.020 ft) above the mean sea level of
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375:. Construction of the building started on August 1890 and it was completed on December 24, 1891. It serves as a reference point for elevations in Japan (
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as the intended workplace of his roommate, "stormtrooper". At the time the novel was set, in the late sixties, the GSI was situated in
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Elevations of Japan are determined with reference to the mean sea level of
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236:. The former name of the organization from 1949 until March 2010 was
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478:"New English Appellation of the Geographical Survey Institute"
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240:; despite the rename, it retains the same initials. It is an
483:. Geospatial Information Authority of Japan. Archived from
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http://vldb.gsi.go.jp/sokuchi/geomag/menu_03/mt_data.html
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Stationary MT monitoring systems have been installed in
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Ministry of Land, Infrastructure, Transport and
Tourism
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Ministry of Land, Infrastructure, Transport and
Tourism
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345:is installed in a small building in front of the
358:Japanese water height reference point storehouse
306:Japanese water height reference point storehouse
291:Coordinating Committee for Earthquake Prediction
259:It also runs a museum, situated in Tsukuba, the
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522:Japanese Geodetic Datum 2011 (JGD2011) による英語表現
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224:, is the national institution responsible for
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176:Ministry of Land, Infrastructure and Transport
46:Geospatial Information Authority of Japan logo
641:Geographic data and information organizations
289:The Authority is represented on the national
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203:Geospatial Information Authority of Japan
28:Geospatial Information Authority of Japan
267:Earthquake Precursor Prediction Research
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328:Japanese water height reference point
297:Japanese water height reference point
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248:. Its main offices are situated in
448:, the history of mapping in Japan.
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386:(elevation 0 m). This is called
261:Science Museum of Map and Survey
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18:Geospatial Information Authority
560:(in Japanese). 2003. p. 6.
508:Organizations with ties to CCEP
422:The GSI featured in the novel
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356:. The building is called the
238:Geographical Survey Institute
626:Extraordinary organs (Japan)
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388:mean sea level of Tokyo Bay
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93:Ministry of Popular Affairs
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621:National mapping agencies
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510:CCEP, accessed 2011-03-19
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370:Nihon Suijun Genten Hyoko
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318:Nihon Suijun Genten Hyoko
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142:671 civilian staff (2018)
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410:since October 21, 2011.
646:Surveying organizations
400:Tōkyō-wan heikin kaimen
73:; 155 years ago
347:National Diet Building
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164:Hiroshi Murakami, Dean
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232:the national land of
123:Yubinbango 305-0811,
452:Japanese map symbols
340:Nihon Suijun Genten
242:extraordinary organ
150:9,640,335 thousand
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418:The GSI in fiction
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283:2016-10-13 at the
254:Ibaraki Prefecture
573:２万５千分１地形図の読み方・使い方
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71:June 2, 1869
16:(Redirected from
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606:Official Website
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520:Geodetic survey
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430:Haruki Murakami
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285:Wayback Machine
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215:Kokudo Chiri-in
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63:Agency overview
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35:Kokudo Chiri-in
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600:External links
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578:Kokudo Chiriin
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584:on 2012-07-24
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490:on 2012-05-11
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586:. Retrieved
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129:Tsukuba City
127:Prefecture,
120:Headquarters
102:Jurisdiction
615:Categories
588:2016-09-09
556:1.1.5離島の高さ
494:2016-08-18
464:References
458:Global Map
78:1869-06-02
534:施行令第2条第2項
408:Tokyo Bay
384:Tokyo Bay
351:Nagatacho
226:surveying
139:Employees
440:See also
281:Archived
252:City of
546:国土地理院時報
394:東京湾平均海面
364:日本水準原点庫
312:日本水準原点庫
250:Tsukuba
244:of the
230:mapping
182:Website
125:Ibaraki
76: (
334:日本水準原点
111:
68:Formed
550:(PDF)
488:(PDF)
481:(PDF)
434:Tokyo
273:Japan
234:Japan
220:, or
209:国土地理院
133:Japan
114:Japan
33:国土地理院
326:The
228:and
201:The
189:.gsi
532:測量法
428:by
349:in
222:GSI
193:.jp
191:.go
187:www
152:yen
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