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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

2,324 results for "Type Ia supernovae" — page 66 of 117

E_3_02 Verified Cataclysms & Chronology

E_3_02 — Catastrophic Flood Geomorphology

Earth's surface preserves dramatic evidence of catastrophic floods on a scale unimaginable today. The Channeled Scablands of Washington State were carved by the Missoula Floods (~13,000–15,000 BP): glacial Lake Missoula

megaflood glacial outburst flood jökulhlaup Altai flood Missoula floods channeled scablands
E_2_07 Verified Cataclysms & Chronology

E_2_07 — The 4.2 Kiloyear Event — Bronze Age Climate Catastrophe

The 4.2 kiloyear event (~2200 BCE) was a severe, century-scale aridification episode that constitutes one of the most significant abrupt climate changes of the Holocene. Identified through speleothem, marine sediment, an

4.2 kiloyear event megadrought Akkadian Empire collapse Old Kingdom Egypt Indus Valley decline Liangzhu collapse
E_2_05 Verified Cataclysms & Chronology

E_2_05 — Late Antiquity Little Ice Age (536–660 CE) and the Fall of Antiquity

The period 536–660 CE represents one of the most catastrophic environmental and civilizational crises in recorded human history, now termed the Late Antiquity Little Ice Age (LALIA). It began in 536 CE — described by his

536 CE Late Antiquity Little Ice Age LALIA volcanic winter Ilopango Justinian Plague
E_2_14 Verified Cataclysms & Chronology

E_2_14 — Deccan Traps and Large Igneous Provinces

Large Igneous Provinces (LIPs) are the most voluminous volcanic features on Earth: enormous outpourings of basalt lava and associated intrusions that cover areas of up to millions of square kilometers and release colossa

Deccan Traps large igneous province LIP flood basalt volcanism mass extinction
E_2_06 Verified Cataclysms & Chronology

E_2_06 — Black Death, Pandemic Cycles, and Civilizational Reset

The Black Death (1347–1353 CE) was the most devastating pandemic in recorded human history. Caused by the bacterium *Yersinia pestis and transmitted primarily through flea bites from infected rats, the plague killed an e

Black Death bubonic plague Yersinia pestis pandemic 1347 medieval
E_2_16 Verified Cataclysms & Chronology

E_2_16 — Laacher See Eruption: European Catastrophe at 12,900 BP

The Laacher See eruption — centered on the Laacher See caldera in the East Eifel Volcanic Field of western Germany, approximately 37 km south of Bonn — was the largest volcanic eruption in central Europe during the late

Laacher See eruption volcanic Eifel Germany Plinian
E_2_08 Verified Cataclysms & Chronology

E_2_08 — Little Ice Age — Climate, Society, and the Modern World

The Little Ice Age (LIA) was a prolonged period of climatic cooling that affected much of the Northern Hemisphere from approximately 1300 to 1850 CE, with coldest intervals during the Maunder Minimum (1645–1715) and the

Little Ice Age Maunder Minimum sunspot volcanic forcing Samalas 1257 Tambora 1815
E_2_12 Verified Cataclysms & Chronology

E_2_12 — Great Oxygenation Event

The Great Oxygenation Event (GOE) — approximately 2.4–2.1 billion years ago — was one of the most transformative events in Earth's history: the first permanent rise of free molecular oxygen (O₂) in the atmosphere, from n

Great Oxygenation Event GOE oxygen crisis cyanobacteria photosynthesis Paleoproterozoic
E_2_02 Verified Cataclysms & Chronology

E_2_02 — Toba Supervolcano and the 74,000 BP Genetic Bottleneck

Approximately 74,000 years ago, the Toba supervolcano on the island of Sumatra (modern Indonesia) produced the largest volcanic eruption in the last 2 million years: a VEI-8 (Volcanic Explosivity Index maximum) event tha

Toba supervolcano volcanic winter 74000 BP genetic bottleneck population crash
E_2_11 Verified Cataclysms & Chronology

E_2_11 — Snowball Earth Hypothesis

The Snowball Earth hypothesis proposes that Earth's surface was entirely or nearly entirely covered by ice on at least two occasions during the Neoproterozoic era (c. 720–635 million years ago): the Sturtian glaciation (

Snowball Earth Neoproterozoic Sturtian glaciation Marinoan glaciation Cryogenian cap carbonate
E_2_22 Verified Cataclysms & Chronology

E_2_22 — Dansgaard-Oeschger Events: Rapid Climate Oscillations of the Last Ice Age

Dansgaard-Oeschger (D-O) events are rapid climate oscillations that occurred during the last glacial period (~120,000–11,700 years BP), characterized by abrupt warmings of 8–16°C over Greenland within decades (as few as

Dansgaard-Oeschger events D-O events abrupt climate change ice core Greenland stadial
E_2_01 Verified Cataclysms & Chronology

E_2_01 — 536 CE Climate Catastrophe

This document examines 536 CE Climate Catastrophe, a topic within the Cataclysms and Chronology research area. Key areas of investigation include "The Worst Year to Be Alive", Historical Eyewitness Accounts, The Volcanic

536 CE Fimbulvetr Ragnarök volcanic winter Ilopango Procopius
E_4_19 Verified Cataclysms & Chronology

E_4_19 — Mono Lake and Gothenburg Excursions: Short Geomagnetic Events

Geomagnetic excursions are brief, extreme departures of the Earth's magnetic field from its normal dipolar configuration — events during which the virtual geomagnetic pole (VGP) deviates by more than 40–45° from the geog

geomagnetic excursion Mono Lake Gothenburg Laschamp paleomagnetic virtual geomagnetic pole
E_4_21 Verified Cataclysms & Chronology

E_4_21 — Oxygen Isotope Stages: Marine Isotope Record and Climate Cycles

The marine oxygen isotope record — constructed from measurements of the ratio of oxygen-18 to oxygen-16 (δ¹⁸O) in the calcium carbonate (CaCO₃) shells of foraminifera (single-celled marine organisms) preserved in deep-se

oxygen isotope δ18O marine isotope stage MIS benthic foraminifera planktonic
E_4_05 Verified Cataclysms & Chronology

E_4_05 — Cyclical Destruction and Renewal

Nearly every human civilization has independently conceived of time not as a single arrow but as a wheel — creation, flourishing, decay, destruction, and rebirth cycling endlessly. The Hindu yuga system maps a 4.32-billi

cyclical destruction renewal Ragnarök yuga Five Suns kalpa
E_4_28 Credible Cataclysms & Chronology

E_4_28 — Phantom Time Hypothesis and Chronological Revisionism

The Phantom Time Hypothesis — proposed by German systems analyst Heribert Illig in 1991 — claims that approximately 297 years of history (614–911 CE) were fabricated, and that the current calendar year is actually approx

phantom time Heribert Illig invented Middle Ages chronological revisionism Gunnar Heinsohn Fomenko
E_4_10 Verified Cataclysms & Chronology

E_4_10 — Ice Core Science: Greenland and Antarctic Climate Records

Ice cores drilled from the Greenland and Antarctic ice sheets constitute one of the most powerful archives of past climate on Earth. Greenland cores (GRIP, GISP2, NGRIP, NEEM) provide high-resolution records extending ba

ice cores GRIP GISP2 NGRIP EPICA Vostok
E_4_13 Verified Cataclysms & Chronology

E_4_13 — Milankovitch Cycles and Orbital Forcing

Milankovitch cycles are periodic variations in Earth's orbital geometry that modulate the distribution and intensity of solar radiation reaching Earth's surface, driving the glacial-interglacial cycles that have dominate

Milankovitch cycles orbital forcing eccentricity obliquity precession ice age
E_4_06 Verified Cataclysms & Chronology

E_4_06 — Kali Yuga / World Ages Mathematics

This document examines Kali Yuga / World Ages Mathematics, a topic within the Cataclysms and Chronology research area. Key areas of investigation include The Four Yugas — Structure and Duration, Higher-Order Cycles, Sour

Kali Yuga Satya Yuga Treta Yuga Dvapara Yuga Maha Yuga Kalpa
E_4_01 Credible Cataclysms & Chronology

E_4_01 — Precession of the Equinoxes and Ancient Encoded Numbers

This document examines Precession of the Equinoxes and Ancient Encoded Numbers, a topic within the Cataclysms and Chronology research area. Notable findings include: 25,920 ÷ 12 = 2,160 years** per zodiacal age. The docu

precession equinoxes 25920 72 108 432000