volcanoes | |
It"s not well understood why some volcanoes give off warning signals while others don"t, but what is certain is that if Datun is the kind to show early precursors then the observatory"s system is about as good as you can get.
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ผู้ตั้งกระทู้ volcanoes :: วันที่ลงประกาศ 2022-05-04 22:43:02 |
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