Search results
Results from the WOW.Com Content Network
The Koa’e Fault Zone or Koa’e Fault System (pronounced coe-wah-hee) is a series of fault scarps 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 km (7.5 mi) in an east-northeast direction towards the westernmost ...
The volcanic rift zones cross the island from south-west to north-east. Each zone consists of 20–50 km (12–31 mi) wide belts and is characterised by active volcanoes, numerous normal faults, a high temperature geothermal field and fissure swarms. [18] The EVZ will eventually take over the WVZ according to the rift jump process. [1]: 35, 54
This map shows the locations of the Superior province, Penokean orogeny, Minnesota River Valley subprovince, Great Lakes tectonic zone (Minnesota's portion) and the present-day location of the Wyoming province. Early Archean rocks generally form elongate, domal or circular bodies that are several kilometers thick.
Some of the volcanoes of the more recent but also extinct Pleistocene South Auckland volcanic field and the currently dormant late Pleistocene and Holocene Auckland volcanic field are within 500 m (1,600 ft) of known fault lines. In the South Auckland volcanic field, the Drury Fault is in close alignment with the vents at Peach Hill, Bombay ...
Faults may also displace slowly, by aseismic creep. [2] A fault plane is the plane that represents the fracture surface of a fault. A fault trace or fault line is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. [3] [4]
The earthquakes this week were located slightly north of the Ortigalita fault, in an area without any mapped fault lines at the surface. ... Map of Stanislaus County earthquake shaking zones.
A map of East Africa showing some of the historically active volcanoes (as red triangles) and the Afar Triangle (shaded at the center), which is a so-called triple junction (or triple point) where three plates are pulling away from one another: the Arabian plate and two parts of the African plate—the Nubian and Somali—splitting along the East African Rift Zone Main rift faults, plates ...
To map the subduction zone, researchers at sea performed active source seismic imaging, a technique that sends sound to the ocean floor and then processes the echoes that return. The method is ...