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- Koae_Fault_Zone abstract "The Koa’e Fault Zone (pronounced coe-wah-hee) is a series of fault scarpes connecting the East and Southwest Rift Zones on Kilauea Volcano on the big island of Hawaii. The fault zone intersects the East Rift near the Pauahi Crater and extends nearly 12 kilometers in an east-northeast direction towards the westernmost boundary near Mauna Iki and the Southwest Rift Zone. Boundaries of the Koa’e Fault Zone also cover 2 kilometers in a north-south orientation along the 12 kilometer length. It is believed that the fault zone has been active for tens of thousands of years. The area is infrequently visited by park patrons due to the lack of eruptive activity and closure of certain areas to the general public.FeaturesThe Koa’e Fault Zone contains numerous thrust fault scarpes and ground cracks that are slowly moving towards the Pacific Ocean. The area is covered with pahoehoe lava flows dated between 700 and 500 years old. The exact number of lava flows in this region is debatable. Numerous exposed scarpes have very poor distinctions between various lava flows due to weathering of the basalt. Because Kilauea has erupted explosively in the past, the Koa’e Fault Zone is also covered with tephra deposits. The stratigraphy of the sediments contains many clues to the eruptive history of Kilauea Volcano.•\tA layer of scoria overlies the basaltic lava flows. The age of these deposits has been determined to be roughly 400 years old. Groundwater penetration into Kilauea most likely created a steam explosion followed by an eruption of these tephra deposits.•\tAbove the scoria is a layer of orange ash roughly 3 cm thick. The fined grained texture of the ash also suggests an explosive style of eruption sometime after the tephra was deposited. Biologists believe that this layer of ash served as a soil horizon for native and invasive plants to colonize the area.•\tThe top layer is a sandy material which is also the product of an explosive eruption.In order to get a stratigraphy like this, a large eruption with tephra reaching the jet stream is required, suggesting that energetic pyroclastic eruptions have occurred in the past, making Kilauea significantly more hazardous than once thought.Fault Scarpes in the Koa’e Fault Zone create a Horst and Graben type of terrain. Some of the scarpes (called “pali” in native Hawaiian) face northwards, towards the summit of Kilauea Volcano and Halemaumau Crater. This is unusual because the scarpes usually face in the direction of flow. Monitoring data of the fault zone has revealed that at the Pacific Ocean, the land mass is moving at a rate of 2.5 centimeters per year. In the upper regions of the fault zone, the crust is moving at a rate of 8 cm annually. This vast difference in movement rates has over time created numerous antiforms in the region, with some of the most prominent being near the White Rabbit.Kulanaokuaiki Pali is the southernmost fault in the Koa’e Fault Zone. During a period of intense earthquakes in December 1965, Kulanaokuaiki Pali was vertically displaced by more than 2.4 meters (7.87 feet). The region has been intensively studied since then. Displacements in other parts of the Koa’e Fault Zone based on historical data suggest that movements as great as 15 meters (nearly 50 feet) have occurred.MechanicsThe Koa’e Fault Zone is one of the most active fault zones in the entire world. The massive weight of Kilauea is largely responsible for the movement along the Koa’e Fault Zone as well as the East and Southwest Rift Zones. Some scientists have interpreted the Koa’e Fault System as a break away structure as a direct result from the southward displacement of the southern flank of Kilauea. The mobility is caused by gravitational forces acting on the massive weight of the volcano as well as the forceful injection of magmatic dikes into the East and Southwest Rift Zones.Bathymetric contouring of the seafloor off the south coast of the Big Island, have revealed that massive landslides have occurred in Kilauea’s past, most likely as the result of rifting and catastrophic collapse.".
- Koae_Fault_Zone wikiPageExternalLink hvo.wr.usgs.gov.
- Koae_Fault_Zone wikiPageID "29098601".
- Koae_Fault_Zone wikiPageLength "5698".
- Koae_Fault_Zone wikiPageOutDegree "39".
- Koae_Fault_Zone wikiPageRevisionID "641421251".
- Koae_Fault_Zone wikiPageWikiLink Anticline.
- Koae_Fault_Zone wikiPageWikiLink Basalt.
- Koae_Fault_Zone wikiPageWikiLink Bathymetric_contouring.
- Koae_Fault_Zone wikiPageWikiLink Category:Articles_created_via_the_Article_Wizard.
- Koae_Fault_Zone wikiPageWikiLink Category:Volcanism_of_Hawaii.
- Koae_Fault_Zone wikiPageWikiLink Earthquake.
- Koae_Fault_Zone wikiPageWikiLink East_Rift_Zone.
- Koae_Fault_Zone wikiPageWikiLink Explosive_eruption.
- Koae_Fault_Zone wikiPageWikiLink Fault_(geology).
- Koae_Fault_Zone wikiPageWikiLink Fault_scarpe.
- Koae_Fault_Zone wikiPageWikiLink Gravity.
- Koae_Fault_Zone wikiPageWikiLink Groundwater.
- Koae_Fault_Zone wikiPageWikiLink Halemaumau_Crater.
- Koae_Fault_Zone wikiPageWikiLink Hawaii.
- Koae_Fault_Zone wikiPageWikiLink Hawaii_(island).
- Koae_Fault_Zone wikiPageWikiLink Historical_data.
- Koae_Fault_Zone wikiPageWikiLink Horst_and_graben.
- Koae_Fault_Zone wikiPageWikiLink Kulanaokuaiki_Pali.
- Koae_Fault_Zone wikiPageWikiLink Kīlauea.
- Koae_Fault_Zone wikiPageWikiLink Land.
- Koae_Fault_Zone wikiPageWikiLink Landslide.
- Koae_Fault_Zone wikiPageWikiLink Lava.
- Koae_Fault_Zone wikiPageWikiLink Magmatic_dike.
- Koae_Fault_Zone wikiPageWikiLink Mauna_Iki.
- Koae_Fault_Zone wikiPageWikiLink Orange_ash.
- Koae_Fault_Zone wikiPageWikiLink Pacific_Ocean.
- Koae_Fault_Zone wikiPageWikiLink Pauahi_Crater.
- Koae_Fault_Zone wikiPageWikiLink Pyroclastic_flow.
- Koae_Fault_Zone wikiPageWikiLink Scoria.
- Koae_Fault_Zone wikiPageWikiLink Soil_horizon.
- Koae_Fault_Zone wikiPageWikiLink Southwest_Rift_Zone.
- Koae_Fault_Zone wikiPageWikiLink Stratigraphy.
- Koae_Fault_Zone wikiPageWikiLink Tephra.
- Koae_Fault_Zone wikiPageWikiLink Thrust_fault.
- Koae_Fault_Zone wikiPageWikiLink White_Rabbit.
- Koae_Fault_Zone wikiPageUsesTemplate Template:Multiple_issues.
- Koae_Fault_Zone wikiPageUsesTemplate Template:No_footnotes.
- Koae_Fault_Zone wikiPageUsesTemplate Template:Orphan.
- Koae_Fault_Zone wikiPageUsesTemplate Template:Reflist.
- Koae_Fault_Zone subject Category:Articles_created_via_the_Article_Wizard.
- Koae_Fault_Zone subject Category:Volcanism_of_Hawaii.
- Koae_Fault_Zone hypernym Series.
- Koae_Fault_Zone type TelevisionShow.
- Koae_Fault_Zone comment "The Koa’e Fault Zone (pronounced coe-wah-hee) is a series of fault scarpes connecting the East and Southwest Rift Zones on Kilauea Volcano on the big island of Hawaii. The fault zone intersects the East Rift near the Pauahi Crater and extends nearly 12 kilometers in an east-northeast direction towards the westernmost boundary near Mauna Iki and the Southwest Rift Zone. Boundaries of the Koa’e Fault Zone also cover 2 kilometers in a north-south orientation along the 12 kilometer length.".
- Koae_Fault_Zone label "Koa'e Fault Zone".
- Koae_Fault_Zone sameAs Q6424186.
- Koae_Fault_Zone sameAs m.0dln57l.
- Koae_Fault_Zone sameAs Q6424186.
- Koae_Fault_Zone wasDerivedFrom Koae_Fault_Zone?oldid=641421251.
- Koae_Fault_Zone isPrimaryTopicOf Koae_Fault_Zone.