The Kahramanmaras Earthquakes Devastate Turkey and Syria

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• 災害2026/09/21@ScienceDesk

  The Ancash Earthquake Buries Yungay Under Huascaran

  Offshore Chimbote, Ancash, Peru

  

  開始 1970/05/31 20:23確定確度 93%56.3 年前The source^[1] gives "31 May off the coast of Peru in the Pacific Ocean at 15:23:29 local time", which is 20:23:29 UTC; the USGS^[2] catalogue records 20:23:30 UTC for event iscgem796163.

  A magnitude 7.9 earthquake off the Peruvian coast shook loose part of Mount Huascaran, and the debris avalanche buried the town of Yungay. An estimated 66,794 to 70,000 people died, the world's deadliest avalanche.

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• 災害2026/09/21@ScienceDesk

  The 1906 Earthquake and Fire Destroy San Francisco

  San Andreas Fault offshore of San Francisco, California, United States

  開始 1906/04/18 13:12確定確度 90%120.4 年前The USGS^[1][3] catalogue gives the origin time for event official19060418131226300_12 as 1906-04-18T13:12:26Z, which the narrative states as "05:12 am Pacific Standard Time on Wednesday, April 18, 1906".

  A magnitude 7.9 rupture of the San Andreas Fault shook Northern California at 5:12 a.m. local time, and the fires that followed burned for days. More than 3,000 died and over 80% of the city was destroyed.

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• 災害2026/09/21@ScienceDesk

  The Indian Ocean Tsunami Kills Across Fourteen Countries

  Off the west coast of northern Sumatra, Indonesia

  開始 2004/12/26 0:58確定確度 93%21.7 年前The source^[1] gives "26 December 2004, at 07:58:53 local time (UTC+7)", which is 00:58:53 UTC; the USGS^[2][3] catalogue records 00:58:53.450Z for event official20041226005853450_30.

  A magnitude 9.1 megathrust rupture off Aceh generated a tsunami that crossed the Indian Ocean and struck coastlines from Indonesia to East Africa. It is the third-largest earthquake ever instrumentally recorded.

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• 科学2026/09/15@BuildDesk

  Marmaray Tunnel Excavators Uncover Constantinople's Theodosian Harbor

  Yenikapı, Fatih, Istanbul, Turkey

  

  開始 2005/11/01推定確度 62%20.9 年前Accounts of the Marmaray excavation (Grand Sirkeci^[3] Hotel's history page and the Harvard 'Urban Imagination' exhibit) place the discovery of the silted-up harbor at Yenikapı in November 2005, without a more precise day recorded.

  Digging for Istanbul's Marmaray rail tunnel at Yenikapı, workers strike the silted-up remains of the Theodosian Harbor, a Byzantine-era port that would go on to yield 37 shipwrecks and roughly 100,000 artifacts.

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• 災害2026/09/21@ScienceDesk

  The Great Lisbon Earthquake Destroys Lisbon

  Lisbon, Portugal

  

  開始 1755/11/01確定確度 90%270.9 年前The source^[1] dates it firmly — the earthquake "hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40 local time". The day is certain; the hour is only "around", so the pin is all-day rather than timed.

  A magnitude 7.7-or-greater earthquake struck off Cape St. Vincent on the morning of All Saints' Day, and fires and a tsunami finished what the shaking began. Between 30,000 and 40,000 died in Lisbon alone.

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• 建築2026/09/14@BuildDesk

  Hagia Sophia's Dome Restoration

  Hagia Sophia, Istanbul, Turkey

  

  開始 2025/04/14確定確度 88%1.4 年前Happened as dated, per the source^[1]: dome restoration was "scheduled to commence on April 14, 2025"; no completion date has been set for the wider 50-year reinforcement plan.

  Istanbul's 1,500-year-old Hagia Sophia began restoring its dome to withstand a major earthquake, a phase of a 50-year plan to reinforce the building with no fixed finish date.

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• 気象2026/09/21@ClimateDesk

  The Bhola Cyclone Kills at Least 300,000 in the Ganges Delta

  Bhola Island, Ganges Delta, Bangladesh

  

  開始 1970/11/12確定確度 90%55.9 年前The source^[1] dates the strike in its opening line — it "struck East Pakistan (present-day Bangladesh) and India's West Bengal on 12 November 1970" — though its own track narrative says the cyclone peaked on 10 November and made landfall "on the following afternoon". The received date of 12 November is used, and the discrepancy is noted rather than resolved.

  The deadliest tropical cyclone ever recorded drove a storm surge over the low-lying islands of the Ganges Delta. At least 300,000 died, and the Pakistani government's response helped set off the Bangladesh Liberation War.

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• 災害2026/09/21@ScienceDesk

  The Haiti Earthquake Wrecks Port-au-Prince

  Leogane, Ouest, Haiti

  

  開始 2010/01/12 21:53確定確度 93%16.7 年前The source^[1] states the quake "struck Haiti at 16:53 local time on Tuesday, 12 January 2010", which is 21:53 UTC; the USGS^[2] catalogue records 21:53:10Z for event usp000h60h.

  A magnitude 7.0 earthquake struck near Leogane, 25 km west of Port-au-Prince, at 16:53 local time. Haiti's capital, its National Palace and much of its public administration were destroyed.

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• 地政学2023/02/21@ThePinGang

  Food Crisis in Africa, South Asia and especially Egypt where it imports over half the grain they need to survive

  

  2023/09/01〜2023/10/31未確認確度 25%3.1 年前

  September and October, Egypt will have food crisis as Russia kills off Ukraine's Agriculture industry and ability to export through it's ports. Black Sea likely becomes a no-go zone.

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• 災害2026/09/21@ScienceDesk

  Krakatoa Explodes and Is Heard 4,800 km Away

  Krakatoa, Sunda Strait, Indonesia

  

  開始 1883/08/27確定確度 90%143.1 年前The source^[1] names the day and the hour of the largest blast: "On 27 August, the island had its most significant eruption ... the third explosion of that day, that occurred at 10:02 a.m., remains the loudest-known sound in history."

  The third explosion of 27 August 1883 destroyed over 70% of the island and remains the loudest sound in recorded history, audible in Perth and near Mauritius. The eruption and its tsunamis killed at least 36,417 people.

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• 気象2026/09/21@ClimateDesk

  Typhoon Haiyan Makes Landfall at Guiuan

  Guiuan, Eastern Samar, Philippines

  開始 2013/11/07 20:40確定確度 87%12.9 年前The landfall is timed in UTC by the source^[1]: "At 20:40 UTC on November 7, 2013, the eye of the typhoon made its first landfall in the Philippines at Guiuan, Eastern Samar at maximum strength." That is early on 8 November local time, the date the storm is known by in the Philippines.

  One of the most intense tropical cyclones ever recorded came ashore in Eastern Samar at peak strength, with PAGASA measuring ten-minute winds of 235 km/h. At least 6,300 died in the Visayas alone.

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• 気象2026/09/21@ClimateDesk

  暴風雨ダニエル、デルナのダムを決壊させる

  Derna, Libya

  開始 2023/09/11確定確度 92%3 年前出典はダム決壊を9月11日未明としている。「住民はダムが決壊した時刻に大きな爆発音を聞いたと語っており、映像では9月11日の東欧時間03:00直前に洪水がデルナに到達する様子が映っている」。これは9月10日に暴風雨がベンガジ付近に上陸した後のことである。^[1]

  デルナ上流の2つのダムが未明に決壊し、ワディ・デルナの激流が市街を襲った。死者は5,900人を超え、少なくとも8,000人が行方不明となり、観測史上最も多くの犠牲者を出した地中海の熱帯低気圧様サイクロンとなった。

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