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NATIONAL PARK . ortcuuaU UNITED STATES Historic Events DEPARTMENT OF THE HAWAII 1773 Capt. James Cook, Royal British INTERIOR Navy, landed on Island of Kauai. NATIONAL PARK HAROLD L. ICKES. Secretary 1792-3-4 Hawaii visited by Capt. George HAWAII Vancouver, Royal British Navy. OPEN 1794 Archibald Menzies, botanist, and ALL party of Vancouver expedition made J YEAR 9 4i first successful ascent of Mauna Loa. 1823 Kilauea visited and explored for first time by Rev. William Ellis and party. NATIONAL PARK SERVICE SILVERSWORD IN HALEAKALA CRATER NEWTON B. DRURY, Director 1825 Kilauea visited and mapped by party under Lord George Byron. CO^TE^TS 1838 Lake of molten lava in Kilauea named Halemaumau by Count Strzelecki. A Giant Fern Cover AWAII NATIONAL PARK was the result of a broad depression at its 1840-41 Expedition under Capt. John created by act of Congress, top and of its gentle slopes, caused by Kilauea ....... 3 Wilkes, U. S. Navy, explored and H August 1, 1916, and placed under the lava flows from many lateral vents. Mauna Loa 6 mapped Kilauea and Mauna Loa. control of the National Park Service. It Within the depression is a vast pit, Haleakala 8 1856 Erection of first "Volcano House" consists of two sepatate tracts of land, Halemaumau, which often contains a hotel at Kilauea, a grass house. Roads and Trails 10 the Kilauea-Mauna Loa section, on the boiling, bubbling mass of molten lava whose surface fluctuates from bottom 1912 Hawaiian Volcano Observatory estab Island of Hawaii, and the Haleakala Mauna Loa Trip 11 to rim. Until 1924 molten lava was lished. section, on the Island of Maui. It con Trees and Shrubs . 11 tains 275.71 square miles, the greater usually visible at any time in Hale 1916 Aug. 1, Hawaii National Park estab portion cf which is in the Kilauea- maumau, but activity since then has Native Hawaiian Birds . 12 lished by act of Congress. Mauna Loa area. been spasmodic. Its risings are accom Kipuka Puaulu 13 1933 Airplanes used for first time to carry The park was established to conserve panied by brilliant fountains and in Interpretive Service . 13 visitors to witness eruption of Mauna the most spectacular volcanic areas in flows of liquid lava, and its lowerings Loa. HuioPele 13 the United States. Its craters, active by tremendous avalanches which send and dormant, may be approached with up enormous dust clouds. Administration 14 1934 President Roosevelt visited the park. First American President to visit park reasonable safety. A century and a half ago, in 1790, Free Public Campgrounds . 14 while in office. Kilauea became unusually active, and Army Camp 14 1935 Feb. 23, dedication of the Haleakala KILAUEA its violent blast of ash destroyed a Ha waiian army. Footprints in the volcanic Accommodations and Road. In the Kilauea-Mauna Loa section of ash are still visible today. Following Expenses 14 1935-36 Important scientific bombing ex Hawaii National Park is the volcano of this great activity, the volcano was in periment successfully carried out by Miscellaneous Services ... 14 Army Air Corps during eruption Kilauea. This volcano, probably older active for many decades, and no rocks Communication Service. 14 from northeast rift of Mauna Loa. than its neighbor, towering Mauna Loa, or ash were ejected until 1924. Photographic Supplies . 15 creates the impression of being a crater During the autumn of 1923 the lake 1940 Mauna Loa erupted April 7 in sum in the side of the higher mountain, al of fire drained away, then gradually How to Reach the Park . 15 mit crater, Mokuaweoweo. though it is itself a mountain with an returned until the pit contained a 50- altitude of 4,090 feet. This illusion is acre lake of seething lava. Lava geysers 2 Hawaii National Park • Hawaii Hawaii National Park • Hawaii 3 1940 FOUNTAIN ACTIVITY, MOKUAWEOWEO CRATER, SUMMIT MAUNA LOA appeared on its surface, sending incan July 1927, a similar display occurred, descent sprays 150 feet into the air. In lasting for two weeks, and in January 1924 the lake disappeared and crum 1928, the fire returned for one night bling masses of rock fell into the smok only. Gas and vapor rise continually. ing pit, choking the vents through During 1929 spectacular lava inflows which the volcanic gases had escaped. A occurred in February and July, raising few months later when steam blasts un the floor level 55 and 45 feet, respec expectedly occurred, the vents were tively. The pit depth in December 1929, cleared by tremendous explosions which was 1,050 feet and the floor area 48 hurled boulders and ash thousands of acres. On November 19, 1930, molten feet into the air. The violent disturb lava again appeared in Halemaumau. ances continued three weeks, by which Activity continued until December 7. time the fire pit had been enlarged to This activity raised the floor of the pit four times its former size, the opening 70 feet; the surface area of the floor being 190 acres in area and 1,200 feet then covered 62 acres. deep. A few weeks later, when all was Following a series of earthquakes, quiet, a roaring jet of lava appeared at molten lava broke into the bottom of the bottom of the pit, sending up a Halemaumau on December 23, 1931. steady spray 200 feet high, building up The activity lasted as a spectacular dis a small cinder cone, and forming a 10- play until January 5, 1932. During the acre lava lake on the floor of the pit. In activity the pit was filled to a depth of 4 Hawaii National Park * Hawaii Hawaii National Park * Hawaii 5 100 feet with lava, resulting in a new crater, Mokuaweoweo, is included in highway crosses, 40 miles west of the flow that threatened Hilo. The Army floor of 88 acres, which was 860 feet the national park. Included also is a park headquarters. Air Corps successfully bombed the below the rim of the pit. broad connecting belt between the two 1899, a flank eruption from the upper channels of this flow to divert it At about 2:45 a. m. on September 6, volcanoes. Mauna Loa thrusts its great northeast rift. before reaching the town. 1934, without much preliminary warn bulk 13,680 feet above the surrounding 1919, the Alika flow, from the south 1940, with no perceptible warning, Pacific. By eruptions in its summit crater ing, molten lava again returned to the west rift that crossed the highway on a 4-mile crack opened extending across and flank outbreaks it is constantly add fire pit in Kilauea. This eruption in its the southwest side of the island. the summit crater and a short distance ing to its mass. early stages was one of the most spec 1926, a large flow from the southwest outside to the southwest, in the late eve tacular on record. Highly charged with In action Mauna Loa is even more rift that destroyed portions of the Belt ning of April 7. This was a gorgeous gas released from tremendous pressure, spectacular than Kilauea; steam vents Highway in South Kona and the fishing display that lasted to midafternoon of the frothy lava burst through a crack continually send feathery clouds into village of Hoopuloa as it reached the April 8, when the fountaining activity 700 feet long, half way up the western the air. Mokuaweoweo and Kilauea are sea. concentrated near the southwest center wall of the crater, cascading in rivers of approximately equal size, but the 1933, a summit eruption. At this time of the crater. This eruption lasted con of fire 425 feet to the floor below. The former is slowly increasing its area by airplanes were first used to take sight tinuously to June 21, and spasmodically force of the lava cracked open the old slumping and breaking down of its seers over the eruption. until August 20. This is the longest floor left by the 1931-32 eruption across outer walls. Extending northeast and 1935, the northeast rift erupted for period of summit activity since the erup its northern and northwest end, and southwest from the summit are volcanic the first time since 1899, producing a tion of 1873-74. along the foot of the western wall dense rifts with many deep rents formed by clouds of sulphur fumes poured out, as earthquake and eruption as well as the fiery fountains shot the liquid lava many brilliantly colored spatter cones, high into the air. As in the previous some 200 feet in height. These rifts eruption, blocks of light pumice thrown have been the source of most of the out from the vents were whirled upward recent eruptions, though the summit by the heat currents and gales of wind, crater is also frequently active. and deposited in shattered fragments Following are major eruptions of over the land for more than a mile to Mauna Loa: leeward. In a few days the crater had 1873-74, a summit eruption of 18 been filled with new lava to a depth of months' duration. 70 feet, and instead of the countless frothy fountains of the initial outbreak 1877, a submarine eruption, 1 mile the activity centered in a lake of fire off shore near Kealakekua Bay. with from 5 to 10 fountains continu 1880-81, a flank eruption of 9 ously throwing jets of heavy liquid lava months' duration on the northeast rift, 50 to 200 feet above the lake. The erup that produced three major lava streams, tion ended on October 8, leaving a new one to the southward, one to the north floor of about 95 acres and about 740 in the direction of Kilauea, and the feet below the rim.