div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=determination-of-the-epicentre-of-an-earthquakehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Determination of the Epicentre of an Earthquake loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsmxreader036viewer2022080320575067ae1a28ab0f07aca8c4html5thumbnails1jpg width=140 height=200 divp© 1912 Nature Publishing Grouppdiv