. . "chain of earthquakes hit Papua New Guinea" . "2018 Papua New Guinea earthquake" . . . . "40" . . . . "a chain of earthquakes" . "2018 Papua New Guinea earthquake" . "160" . "1919-05-06" . . . "earthquake of magnitude 7.5" . "2018-02-25" . . . "earthquake" . "200" . . . . . . "Papua New Guinea" .