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Red Rock Canyon Natural Conservation Area (BLM) - Keystone Thrust Trail - The Keystone thrust near Las Vegas, Nevada, is a spectacular example of a thrust fault, a reverse fault with shallow dip. The dark-gray Cambrian limestone of the Bonanza King Formation is moved sideways and above the pink Aztec Sandstone, of Jurassic age. The thrust fault was most active about 70 million years ago, during the long Sevier orogeny (mountain-building episode). Compressive forces caused by tectonic plate interactions to the west pushed the upper crust eastward. Movement on this thrust fault, which is part of the extensive Sevier fold-thrust belt, appears to have been nearly 100 kilometers.
A recent fault scarp along the Teton Fault offsets talus and alluvium at the base of Rockchuck Peak. This photo was taken from the Catherdral Group Turnout near Jenny Lake in Grand Teton National Park , Wyoming
The heart breaks in so many different ways that when it heals, it will have fault lines.
― John Geddes, A Familiar Rain
{ photo taken during a trip to @ Rocca di Mezzo, Abruzzo, Italy }
At the edge of a plate, deformation is rampant: this picture has been taken less than half a mile away from the San Andreas fault, by the Salton Sea. Both anticline and syncline are clearly visible. This outcrop belongs to the western margin of the North American plate, in southern California. The eastern margin is far, far away, along the Mid-Atlantic ridge, in the Atlantic Ocean.
Mecca, California
On the east side of FR540, this fault cuts the carbonates. In the fault zone, the rocks have been sheared and crushed.
NOTE: The photo is public domain. Please credit U.S. Forest Service when used.
I was looking at the closed LNER rail line at Nab Lane, Howden Clough, West Yorks, I discovered an image problem near the household waste/recycling site. There's a black square which looks like a hole, I checked it on Multimap, where everything was found to be in perfect order.
design by Motohiro Tanji
photographer by Edmond Ho
model by Dasha S
make up by Shue Lai
hair by Shue Lai
styling by Shue Lai
design by Motohiro Tanji
photographer by Edmond Ho
model by Dasha S
make up by Shue Lai
hair by Shue Lai
styling by Shue Lai
design by Motohiro Tanji
photographer by Edmond Ho
model by Dasha S
make up by Shue Lai
hair by Shue Lai
styling by Shue Lai
Falla geológica que corre cerca de 1.000 kilómetros en dirección norte-sur en la zona sur de Chile, en la región norte de los Andes Patagónicos.
Esta falla inicia su recorrido en la zona del Volcán Llaima. En esta última zona se produce la triple unión de las placas tectónicas Sudamericana, Antártica y de Nazca.
Pictured facing southwest in the early afternoon, toward the most interior section of the fault line. Taken from the Cabot Trail turnoff just before ascending the North Mountain.
Faulted interbedded graywacke-siltstone-slate in the Precambrian of Minnesota, USA.
This is an outcrop of slightly metamorphosed shale-siltstone-graywacke outcrop that was smoothed and striated by glaciers during the Pleistocene Ice Age. The prominent feature extending from upper left to lower right is a fault that has noticeably offset a graywacke bed.
Geologic unit & age: Mud Lake sequence, Neoarchean
Locality: roadcut along the eastern side of Bourgin Road roadcut, just southeast of the Rt. 53-Rt. 135 intersection, southeast of the town of Virginia, central St. Louis County, northeastern Minnesota, USA (47° 29’ 53.91” North, 92° 31’ 01.38” West)
This seismogram is from St. Helena Island in the South Atlantic Ocean. The noise represents shock waves from a magnitude 5.7 offshore earthquake that hit the southern Mid-Atlantic Ridge at 11:34 PM, local time, on 11 November 2021. The quake was produced by normal faulting along or very close to the ridge itself, somewhat near the Rio Grande Transform Fault and Fracture Zone area.
The Mid-Atlantic Ridge is a classic example of a mid-ocean ridge, where two tectonic plates diverge (separate) and new oceanic crust forms - this is called "seafloor spreading". In this case, the South American Plate and the African Plate are moving away from each other.
See info. at:
earthquake.usgs.gov/earthquakes/eventpage/us7000ftdy/exec...
and
en.wikipedia.org/wiki/Mid-Atlantic_Ridge
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An earthquake is a natural shaking or vibrating of the Earth caused by sudden fault movement and a rapid release of energy. Earthquake activity is called "seismicity". The study of earthquakes is called "seismology". The actual underground location of an earthquake is the hypocenter, or focus. The site at the Earth's surface, directly above the hypocenter, is the epicenter. Minor earthquakes may occur before a major event - such small quakes are called foreshocks. Minor to major quakes after a major event are aftershocks.
Most earthquakes occur at or near tectonic plate boundaries, such as subduction zones, mid-ocean ridges, collision zones, and transform plate boundaries. They also occur at hotspots - large subsurface mantle plumes (Examples: Hawaii, Yellowstone, Iceland, Afar).
Earthquakes generate four types of shock waves: P-waves, S-waves, Love waves, and Rayleigh waves. P-waves and S-waves are body waves - they travel through solid rocks. Love waves and Rayleigh waves travel only at the surface - they are surface waves. P-waves are push-pull waves that travel quickly and cause little damage. S-waves are up-and-down waves (like flicking a rope) that travel slowly and cause significant damage. Love waves are side-to-side surface waves, like a slithering snake. Rayleigh waves are rotational surface waves, somewhat like ripples from tossing a pebble into a pond.
Earthquakes are associated with many specific hazards, such as ground shaking, ground rupturing, subsidence (sinking), uplift (rising), tsunamis, landslides, fires, and liquefaction.
Some famous major earthquakes in history include: Shensi, China in 1556; Lisbon, Portugal in 1755; New Madrid, Missouri in 1811-1812; San Francisco, California in 1906; Anchorage, Alaska in 1964; and Loma Prieta, California in 1989.
The Sabino fault is marked by the darker vegetation starting at the "bride of the nose" on the far canyon slope and running down the slope to the right.
Sabino Canyon geology walk, January 16, 2014
I joined Bruce Garrett's geology walk for his interpretation of the geology of Sabino Canyon and the Tucson Basin.
www.sabinonaturalists.org/walkshikesdemos/
RAW file processed witn Olympus Viewer 3.
(_1163354)
The fault that has just appeared on my TV. Those lines appear each time a scene changes and gradually fade out where the picture is static.
It's only on the composite input (which is where my DVD player is attached) and only in certain aspect ratios. Need to investigate if the problem is with the DVD player or the TV.
All bloody annoying though.
The most dramatic fault line in the United States, the San Andreas Fault is the tectonic boundary between the Pacific (left) and North American (right) plates. The plate is loosely divided into three; the Southern section runs from the Salton Sea, almost horizontally across the San Bernardino Mountains, then flips across the San Gabriel Mountains before shifting vertically to Carrizo Plain. This is believed to be the most dangerous section of the fault. The Central section seen here runs diagonally from Parkfield to Hollister. As seen in Hollister, this area is very active, resulting in frequent minor quakes and seismic shift, but minimal damage. Finally the Northern section runs through the Santa Cruz Mountains, heads up the Peninsula before disappearing into the ocean at Pacifica, then cuts through Bolinas, Point Reyes, and up towards Mendocino. This is the source of many notable earthquakes in California history, including the 1857 Fort Tejon Earthquake, the 1906 Great San Francisco Earthquake, and the 1989 Loma Prieta Earthquake.
King City, California
This sign is near the corner of Oxford Road and the Station Approach, just by the Cornerhouse.
It's said "System Fault" for about as long as I can remember walking past it.
it stretches hundreds of miles on the West coast... Just from the Soda Lake with a good wide-angle lens, you can capture at least a few miles of it.. An iphone camera doesn't do any justice to that spectacular view :(
This straight is part of the Dover Fault, a boundary
between the rocks which form the North American continent to
the west (to the right) and rocks which form Europe and Africa
to the east (to the left). When the Atlantic started spreading
about 200 million years ago, it didn't quite keep to its previous
boundaries (previously as the Iapetus Ocean between Laurentia
(North America) and Gondwanaland (Europe)) and some European rock
found its way to North America.
Show location with:
Google Earth (must be installed)