The eruption opened a 500-meter (2,000-foot) fissure, and also produced lava fountains that built several hills of bubble-filled lava rocks (scoria) along the vent.
这次火山喷发使山体产生了一个500米（2000英尺）的裂缝并导致了数个熔岩喷泉，它们在火山口周围形成了多个由泡沫填充岩（矿渣）组成的小山丘。
The eruption opened a 500-meter (2,000-foot) fissure, and also produced lava fountains that built several hills of bubble-filled lava rocks (scoria) along the vent.
这次火山喷发使山体产生了一个500米（2000英尺）的裂缝并导致了数个熔岩喷泉，它们在火山口周围形成了多个由泡沫填充岩（矿渣）组成的小山丘。
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