Aburatsubo 642/091 RLR(1973) is 11.8m below BM Attach-2
Documentation added 1992-08-06
Evidence of several earthquakes in Aburatsubo record see Yamaguti 1968, Bulletin of the Earthquake Research Institute 1968, 46, 1269-1273. This includes the Kwanto 1923 and Nankaido 1946 earthquakes.
Documentation added 1993-07-12
Anomalous values noted either side of data gap in 1940s.
Documentation added 2009-05-05
Evidence of a rising trend in the dataset.
Documentation added 2009-11-17
The relevant authority for this station is the Geographical Survey Institute. For some reason the data for 1998 was not downloaded from this authority. Data downloaded and entered 17.11.09.
Documentation added 2011-02-22
Aburatsubo was buddy checked with Mera. Mera station is flagged because of possible datum problems early in the record. Otherwise the sea level profiles compare well.
Documentation added 2012-02-21
A massive earthquake and tsunami magnitude 9.0 occurred at 14:46 JST (05:46 UTC) on Friday 11th March 2011 with the epicenter approx. 70 kilometres east of the Oshika Peninsula of Tohoku. It was the most powerful known earthquake ever to have hit Japan.The earthquake triggered tsunami waves of up to 40.5m travelling up to 10km inland.
Documentation added 2014-03-13
The GPS benchmark information has been downloaded from the SONEL website. GPS benchmark is P108 14.020m above RLR.
Geographical Survey Institute Kitasato -1 Tsukuba-shi Ibaraki-ken 305