Most of the flow from the TEB vent on the East Rift Zone is now in the higher elevations near a new shield being built over the main tube. This shield is at about the 1800 foot elevation and five miles from the ocean. A smaller amount of lava is still being carried downhill in smaller tubes and producing small surface flows on Pulama Pali and the coastal plain. Shields resemble small volcanoes in that the lava overflows from the top and spreads in all directions. These streams only go short distances b
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