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Using satellite images, they built computer models and found that magma chambers can exist only 0.62 miles underground.
他們利用衛星圖像建造計算機模型，發現巖漿庫存在于地下0.62英里處。
That’s really shallow, considering that earlier models had shown that magma chambers along the rift lay much deeper.
這樣的深度確實很淺，因為早期的模型顯示，裂縫處的巖漿室的位置更深。
The satellite images and computer models also revealed that the ground near a volcano often begins rising and swelling about four months before an eruption.
衛星圖像和電腦模型還顯示，火山噴發前四個月左右，其附近地表會上升、膨脹。
Measuring group uplifting is key to predicting eruptions, although these precursors don’t always occur before an eruption.
測量地表群上升是預測火山爆發的關鍵，不過并非每次火山爆發前都會出現這些征兆。
Volcanoes along the mid ocean ridge erupt often, usually underwater, creating new crust.
位于大洋脊中的火山經常爆發，它們通常發生在水下并生成新的地殼。
Studying the plumbing systems beneath these volcanoes helps scientists better understand how the Earth renews its surface.
研究這些火山下的管道系統有助于科學家們更好地了解地球是如何更新地表的。
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