The seismological observation at Syowa Station was begun in 1959 by the 3rd party of JARE (Japanese Antaictic Research Expedition) using a HES seismograph of Z component In 1961. adding HES seismographs of two horizontal components. the seismological obsetvation at Syowa Station was carried out with a three component seismograph Since 1966. the observations have been continued by JARE. https://www.spidertattooz.com/OPI-GelColor-The-Color-That-Keeps-On-Giving-0-5-oz-HPJ07-p22791/