volcanodiscovery/kilauea/news.html Lava has crossed the Apaʻa - TopicsExpress



          

volcanodiscovery/kilauea/news.html Lava has crossed the Apaʻa Street / Cemetery Road near the driveway to the Pāhoa cemetery and is now spreading mainly over open grassland. Between 40 and 50 households could be evacuated within the next few days, as soon as Tuesday, if the lava continues to advance at current rates (approx. 250 m per day) and follows the most likely paths. The lava flow front, approx. 70 m wide, is headed northeast and only 1 km straight line distance from Pahoa Village Road,” he said. The best guess of HVO is that the lava might cross Pahoa Village Road a little bit west of the Pahoa Post Office. The Hawaii Electric Light Company is trying to protect their wooden utility poles by encasing them with concrete, and thus, preventing the lava to burn it, but rather flow around them. So far, one pole engulfed in the lava flows have survived, but as the flows inflate, their fate might be different. HVOs latest update: Earlier that morning, at about 3:50 AM, HST, the narrow finger that had been moving rapidly downslope reached and crossed Apaʻa Street / Cemetery Road near the driveway to the Pāhoa cemetery. The lobe located to the southeast of the narrow finger, described in yesterday’s status report, is no longer advancing. Over the course of yesterday, the advance rate of the narrow finger varied between 10 and 15 m/hr (11 to 16 yd/hr)—that’s equivalent to 240–360 m/day (260–390 yd/day). Through the morning, the flow moved downslope along the cemetery driveway before veering to the southeast into the adjoining pasture in the early afternoon. As of 5 PM, the flow was about 90 m (100 yd) above the cemetery and 160 m (175 yd) downslope of Apaʻa Street, and it had an average width of about 40 m (45 yd). The pasture between Apaʻa Street and the cemetery is characterized by gentle topography, but the slopes increase at or just below the cemetery. If the flow reaches this point, its advance rate may increase. The pasture is located between two of the steepest decent paths plotted on HVO’s lava flow maps, and it is unclear at this point which path the flow will follow. Both paths, however, join just below the cemetery, so the overall flow path leading to Pāhoa Village Road is unchanged.
Posted on: Sun, 26 Oct 2014 09:50:34 +0000

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