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Keyword: tsunamis

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  • Tsunami warning canceled after massive 7.0 earthquake rattles Northern California, Oregon

    "No tsunami danger presently exists for this area," the National Tsunami Warning Center said Thursday.
  • Strange Seismic Activity in New Jersey Raises New Concerns for the Northeast

    11/12/2024 5:52:16 AM PST · by Red Badger · 56 replies
    Scitech Daily ^ | November 12, 2024 | Kevin Krajick, Columbia Climate School
    New Jersey’s recent earthquake indicated new seismic risks in the densely populated Northeast due to previously unknown faults. Credit: SciTechDaily.com A recent earthquake in New Jersey displayed unusual seismic activity and shaking patterns, impacting areas much farther than expected. Research indicates it happened on an unmapped fault, challenging existing models of earthquake risk in the region. On April 5th, 2024, a magnitude 4.8 earthquake struck northern New Jersey’s Tewksbury township, triggering widespread alarm. Although the region occasionally experiences small tremors, this was the largest since 1884, when an earthquake of approximately magnitude 5 struck under the seabed off Brooklyn. According...
  • New study pinpoints source of largest recorded Mediterranean earthquake in AD 365

    11/11/2024 7:30:07 AM PST · by SunkenCiv · 19 replies
    American Geophysical Union ^ | May 10, 2021 | Joint Release: Nanci Bompey (AGU), Josef Zens (GFZ)
    On the morning of 21 July, AD 365, the Eastern Mediterranean was shaken by an earthquake that is generally believed to be the strongest recorded earthquake in the Mediterranean. It probably originated around Crete, Greece, and was followed by a tsunami that hit the Mediterranean coastlines causing many deaths. In Alexandria, tsunami devastation was so severe that the day of the event was commemorated as the "day of horror" for centuries after the event.The earthquake was strong enough to lift parts of Crete by several meters. This upheaval of the island left behind fossil shorelines, which Richard Ott, a scientist...
  • Traces Of Tsunami In Ancient City Of Patara (Turkey)

    12/29/2005 11:58:05 AM PST · by blam · 23 replies · 1,840+ views
    Traces of tsunami in ancient city of Patara Tuesday, December 27, 2005 ANKARA - Turkish Daily News Archaeologists claim that an ancient lighthouse located in the ancient city of Patara on Antalya's Mediterranean coast might have been destroyed by a tsunami that hit the region in ancient times. The ruins of the lighthouse were discovered two years ago during excavations that are still under way in Patara. Professor Havva Ýþkan Iþýk, head of Akdeniz University's archaeology department, which is conducting studies in the ancient city, said they believed the lighthouse was destroyed by a tsunami since a human skeleton was...
  • Native American Oral traditions tell of tsunami's destruction hundreds of years ago

    03/16/2012 2:06:22 PM PDT · by Theoria · 26 replies
    Oregon Department of Geology and Mineral Industries ^ | Oregon Department of Geology and Mineral Industries
    At 9PM on January 26, 1700 one of the world's largest earthquakes occurred along the west coast of North America. The undersea Cascadia thrust fault ruptured along a 680 mile length, from mid Vancouver Island to northern California in a great earthquake, producing tremendous shaking and a huge tsunami that swept across the Pacific. The Cascadia fault is the boundary between two of the Earth's tectonic plates: the smaller offshore Juan de Fuca plate that is sliding under the much larger North American plate. The earthquake also left unmistakable signatures in the geological record as the outer coastal regions subsided...
  • Terrifying moment cruise ship is struck by 'rogue wave', sending people sliding around the floor

    12/23/2023 5:10:19 AM PST · by V_TWIN · 80 replies
    dailymail.co.uk ^ | 22 Dec 2023 | Arthur Parashar
    This is the terrifying moment a Norwegian cruise ship with British tourists on board was struck by a 'rogue wave', sending passengers sliding around the floor and knocking out its power during a ferocious North Sea storm. MS Maud was sailing some 162 miles off Denmark's west coast and about 217 miles off Britain's east coast when the monster wave shattered its windows on the bridge. VIDEO AT LINK
  • Ancient Rome: Sunken City Devastated by a Tsunami 1,600 Years Ago Discovered off Tunisian Coast

    05/29/2023 12:46:17 PM PDT · by SunkenCiv · 40 replies
    Newsweek ^ | September 1, 2017 | Callum Paton
    The discovery has revealed the Roman city of Neapolis, with its networks of submerged streets and monuments, was a crucial trading hub in ancient north Africa.The fourth century tsunami that partly destroyed Neapolis was well recorded at the time. It struck in Alexandria, one of the great seats of learning in the ancient world as well as the Greek Island of Crete...The further recovery of Roman food products, including roughly 100 tanks of fermented fish that was used as a condiment known as garum in the Roman empire, has told the archaeological team more about Neapolis's history...The Tunisian and Italian...
  • ARCHAEOLOGY A massive tsunami destroyed the Spanish city of Seville in the 3rd century, new study finds

    05/29/2023 12:30:40 PM PDT · by SunkenCiv · 21 replies
    El Pais ^ | July 21, 2022 | Vicente G. Olaya
    In the 1970s, two Roman inscriptions — dated from 245 to 253 AD — were discovered in Écija (known in ancient Roman times as Astigi), a city in Spain's southern province of Seville. The writings on the tablets suggest that the emperor at the time had exempted the Roman province of Baetica (roughly the equivalent of modern-day Andalusia, a region of southern Spain) from taxes...A gigantic tsunami that began in the Bay of Cadiz crashed into land, causing numerous coastal settlements to be abandoned and engulfing everything its path, including the city of Seville, located 45 miles inland from the...
  • Discovery of the temple of Poseidon located at the Kleidi site near Samikon in Greece

    01/15/2023 6:19:14 AM PST · by fluorescence · 15 replies
    phys.org ^ | January 11, 2023
    The ancient Greek historian Strabo referred to the presence of an important shrine located on the west coast of the Peloponnese some 2,000 years ago. Remains of such an Archaic temple have now been uncovered at the Kleidi site near Samikon, which presumably once formed part of the sanctuary of Poseidon.Researchers of the Austrian Archaeological Institute in collaboration with colleagues from Johannes Gutenberg University Mainz (JGU), Kiel University, and the Ephorate of Antiquities of Elis unearthed the remains of an early temple-like structure that was located within the Poseidon sanctuary site and was quite possibly dedicated to the deity himself....
  • Greek volcano mystery: Archaeologist narrows on date of Thera eruption

    11/23/2022 8:35:11 AM PST · by SunkenCiv · 17 replies
    ScienceDaily ^ | September 21, 2022 | Cornell University
    ...Last spring, Manning realized he could solve the problem by looking elsewhere -- hundreds of kilometers away from Thera -- to regions of the Aegean Sea that experienced the tsunami effects caused by the eruption. Manning incorporated dates obtained for these episodes into his model to test for, and discount, the volcanic carbon dioxide caveat. On Thera itself, he also spotted the importance of a short but clearly observed gap in time between the abandonment of the town at Akrotiri and the huge eruption, and he incorporated this previously overlooked constraint into the modeling....
  • 2ft Tsunami Warning Along Pacific Coast from 7:30 am to 8:30 am PDT (2 minute video, volcanic eruption on Tonga)

    01/15/2022 7:59:22 AM PST · by ransomnote · 75 replies
    Twitter ^ | 1/15/2022 | BPEarthwatch
    What'd I miss? There was supposed to be a 2ft tsunami warning along the Pacific Coast. Should have arrived 7:30 to 8:30 am PDT. Did anyone see it?Tsunami Warning/ Entire US West Coast - YouTube
  • Tsunamis' magnetic fields are detectable before sea level change

    12/22/2021 8:14:37 PM PST · by BenLurkin · 11 replies
    phys.org ^ | DECEMBER 21, 2021 | American Geophysical Union
    A new study finds the magnetic field generated by a tsunami can be detected a few minutes earlier than changes in sea level and could improve warnings of these giant waves. Tsunamis generate magnetic fields as they move conductive seawater through the Earth's magnetic field. Researchers previously predicted that the tsunami's magnetic field would arrive before a change in sea level, but they lacked simultaneous measurements of magnetics and sea level that are necessary to demonstrate the phenomenon. The new study provides real-world evidence for using tsunamis' magnetic fields to predict the height of tsunami waves using data from two...
  • Earthquake Swarm off Oregon Coast

    12/08/2021 7:19:01 AM PST · by RideForever · 43 replies
    USGS ^ | 12/8/2021 | RideForever
    Active swarm of earthquakes happening this am.
  • Eighteen earthquakes strike off Oregon coast; no tsunamis expected (now 20)

    12/07/2021 8:14:46 PM PST · by aimhigh · 57 replies
    OregonLive ^ | 12/07/2021 | Oregonian/OregonLive
    Eighteen earthquakes have struck Tuesday off the Oregon coast, with the largest two reaching magnitude-5.8. The earthquakes hit far off the coast, roughly west of Newport. No tsunamis are expected. Small earthquakes strike often near Oregon’s coast, a regular reminder of the cataclysmic earthquake geologists say will happen when the pressure building between the Juan de Fuca and North American plates breaks
  • Deepest earthquake ever detected struck 467 miles beneath Japan

    10/25/2021 4:12:47 PM PDT · by BenLurkin · 29 replies
    National Geographic ^ | OCTOBER 25, 2021 | MAYA WEI-HAAS
    The first jolt, which struck off the coasts of Japan’s remote Bonin Islands, was recorded at magnitude 7.9 and up to 680 kilometers (423 miles) underground, making it one of the deepest quakes of its size. Then another oddity emerged in the cascade of aftershocks that followed: a tiny temblor that, if confirmed, would be the deepest earthquake ever detected. The ultradeep quake, described recently in the journal Geology, is estimated to have struck some 751 kilometers (467 miles) beneath the surface in the layer of our planet known as the lower mantle, where scientists have long thought earthquakes unlikely,...
  • Over 115 earthquakes recorded in the south of La Palma – Something really scary is brewing! Its the location where a landslide could trigger a devastating tsunami

    10/05/2021 5:13:41 AM PDT · by Roman_War_Criminal · 116 replies
    SS ^ | 10/4/21 | SS
    Seismic activity is slowly moving towards the southern part of La Palma. This is where a giant landslide could trigger a devastating tsunami. Within the last 2 days, more than 115 earthquakes have been located in the southern area of ​​the island of La Palma. Twelve of them were felt by the population and even four reaching an intensity III-IV in the epicentral zones. The largest earthquake, a M3.7, occurred at 19:14 UTC yesterday evening. Something big is brewing! This guy even suggests a new volcano could soon start erupting on the southern part of the island… Terrifying, no? As...
  • Third Major Earthquake Near New Zealand Prompts Tsunami Alerts

    03/04/2021 6:22:56 PM PST · by Norski · 48 replies
    Weather Nation ^ | March 4, 2021 | staff
    Update: A third large earthquake has struck north of New Zealand. An 8.1 magnitude happened near the Kermadec Islands Region around 11:30 PT. The epicenter is very close to the 7.4 preliminary magnitude earthquake that ruptured along the same fault as a 7.3 magnitude earthquake that struck early Friday local time. The second two, likely larger earthquakes, happened within hours after the first, but ruptured about 500 miles (800 km) farther from New Zealand’s North Island. The latest, largest quake prompted Tsunami Alerts across the Pacific, including American Samoa and Hawaii. These alerts are in addition to Tsunami Alerts for...
  • 1014 AD impact event causes Atlantic tsunami and end of Aztec’s Fourth Sun?

    01/11/2012 12:29:51 PM PST · by BenLurkin · 17 replies
    2012Quest ^ | January 12th, 2011 | Gary C. Daniels
    The Anglo-Saxon Chronicle states that in England 1014 AD, on the eve of St. Michael’s day (September 28, 1014) “came the great sea-flood, which spread wide over this land, and ran so far up as it never did before, overwhelming many towns, and an innumerable multitude of people.” This is clearly a reference to a tsunami similar to the one that struck Indonesia in December 2004 which killed over 250,000 people. What could have caused this tsunami? Could a meteor or comet impact in the Atlantic Ocean have been the cause? Researcher Dallas Abbott of the Lamont Doherty Earth Observatory...
  • Tsunami watch issued for Hawaii following large quake near Kuril Islands

    03/24/2020 8:59:50 PM PDT · by kaehurowing · 20 replies
    Hawaii News Now ^ | March 24, 2020 | HNN Staff
    Tsunami watch issued for Hawaii following large quake near Kuril Islands The large quake struck about 5 p.m. Hawaii time. (Source: Pacific Tsunami Warning Center) By HNN Staff | March 24, 2020 at 5:07 PM HST - Updated March 24 at 5:50 PM HONOLULU, Hawaii (HawaiiNewsNow) - The National Weather Service has issued a tsunami watch for Hawaii following a large earthquake off the Kuril Islands in the Pacific. The watch was issued about 5 p.m. The National Weather Service said tsunami waves may have been generated by the temblor. The U.S. Geological Survey said the quake struck at a...
  • Two of the biggest US earthquake faults might be linked

    12/09/2019 9:15:28 AM PST · by Red Badger · 47 replies
    Nature ^ | 05 December 2019 | Alexandra Witze
    Provocative analysis of sea-floor cores suggests that quakes on the Cascadia fault off California can trigger tremors on the San Andreas. Two of North America’s most fearsome earthquake zones could be linked. A controversial study argues that at least eight times in the past 3,000 years, quakes made a one–two punch off the west coast of the United States. A quake hit the Cascadia fault off the coast of northern California, triggering a second quake on the San Andreas fault just to the south. In some cases, the delay between the quakes may have been decades long. The study suggests...