 The area of the crater was increased by about 28%, and was enlarged laterally by about 300 m. The crater rim was lowered about 60 m, moving nearer to the lake below.The water level in the lake on Kasatochi significantly decreased following the eruption; however, several streams flowing out of the lower crater walls slowly refilled it.The shoreline surrounding the crater was extended hundreds of meters by pyroclastic deposits, destroying a large amount of the marine habitat that resided near the edge of the island.