It's unknown whether the lava is residual material that's draining through the underground tube system or if the flow is still being supplied by lava from the crater, scientists say.
科学工作者们说，不知道熔岩是否是地下管道系统排出的残留物质，或者是否火山口的熔岩仍然在提供流量。
The signature at Eyjafjallajökull is a concentrated circle without a river of lava, supporting the Icelandic Coast Guard’s observation that lava had not started to flow from the volcano.
艾雅法拉火山的温度标识是一个没有岩浆的环形，这一点和冰岛海岸警卫队观察到的熔岩还未喷涌而出相一致。
All types of volcanic cone, crater, lava platform, lava flow lakes and other volcanic landscape is very prominent, constitute a magnificent volcanic tourist landscape.
各种类型的火山锥、火山口、熔岩台地、熔岩流堰塞湖泊等火山地貌十分显目，构成壮丽的火山旅游景观。
Within these insulated underground passages the molten lava can continue to flow for many miles, until the source of the lava gets cut off, leaving behind a 'cave.
在这些绝缘地下通道，熔岩流能够继续对许多英里直到熔岩源，获取切断，留下了'离开洞穴。
Increased lava flow during the past day and a new lava dome forming at the peak triggered immediate concerns.
在过去的几天里，岩浆不断地涌出，新的火山堆在一触即发的火山顶形成。
Lava balls grow when a small fragment of solidified lava rolls along the surface of an active flow and lava sticks or accretes to its surface.
当固化了的熔岩小碎块沿着活动的熔岩流表面滚动时，熔岩粘附到碎块表面上，熔岩球就长大了。
Lava balls grow when a small fragment of solidified lava rolls along the surface of an active flow and lava sticks or accretes to its surface.
当固化了的熔岩小碎块沿着活动的熔岩流表面滚动时，熔岩粘附到碎块表面上，熔岩球就长大了。
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