ReportThe Department, 1974 - Geological surveys |
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17 June 26 November accelerographs activity aftershocks beneath BISMARCK SEA Bougainville Island brick walls Britain broken building caused collapsed concrete considerable corner cracked Dagua damage Dep Lat-S Long-E Department Depth km determined distribution District Dy Hr Mn earthquake occurred east Epicentre Felt intensity Felt-intensity map Figure foundations Guinea/Solomon Islands region Hr Mn Sec hypocentral January June largest Lat-S Long-E Mag lists located Long Long-E Mag Int MADANG Mag Int 68 Mag MB main earthquake map for earthquake Maprik March maximum Mn Dy Hr Mn Sec Dep north coast Observatory October operation Origin Papua New Guinea period Plate Port Moresby Rabaul recorded reported result Richter magnitude School Sec Dep Lat-S seismographs September SEPTEMBER 1968 severe shaking shock shows situated Solomon Sea stations Table tanks took walls water-tanks West Irian Wewak Yr Mn Dy zone