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

3,721 Documents 34 Sections 43,623 Citations 34,854 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.

3,201 results for "Re" — page 107 of 161

E_3_17 Verified Cataclysms & Chronology

E_3_17 — Environmental Catastrophe–Civilization Correlation Timeline

Systematic cross-referencing of paleoclimate proxy records (ice cores, speleothems, tree rings, marine sediments) with archaeological and historical records reveals repeated correlations between abrupt environmental shif

environmental catastrophe civilization collapse volcanic forcing megadrought 4.2 kiloyear event Bond events
E_3_06 Cataclysms & Chronology

E_3_06 — The 8.2 Kiloyear Event: Sudden Cooling and Neolithic Disruption

The 8.2 kiloyear event (~6200 BCE) was the most severe abrupt climate oscillation of the Holocene, triggered by a catastrophic outburst flood from glacial Lakes Agassiz and Ojibway into the North Atlantic via Hudson Bay.

8.2 ka event Bond Event 5 Lake Agassiz outburst flood Neolithic disruption AMOC
E_3_14 Verified Cataclysms & Chronology

E_3_14 — Missoula Floods: Channeled Scablands and Catastrophism Vindicated

The Missoula Floods (also called the Spokane Floods or Bretz Floods) were a series of catastrophic megafloods — among the largest known floods in Earth's history — that swept across the inland Pacific Northwest of the Un

Missoula floods Glacial Lake Missoula channeled scablands J Harlen Bretz megaflood catastrophism
E_3_02 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_3_10 Credible Cataclysms & Chronology

E_3_10 — Clathrate Gun Hypothesis

The clathrate gun hypothesis proposes that warming of ocean waters or thawing of permafrost can destabilize methane clathrates (also called methane hydrates) — ice-like crystalline structures in which methane molecules a

clathrate gun methane hydrate gas hydrate methane release abrupt warming continental shelf
E_2_17 Verified Cataclysms & Chronology

E_2_17 — Campanian Ignimbrite: 40,000 BP European Super-Eruption

The Campanian Ignimbrite (CI) eruption — also known as the CI super-eruption — was the largest volcanic event in the Mediterranean region during the past 200,000 years and one of the largest explosive eruptions in the La

Campanian Ignimbrite CI Phlegraean Fields Campi Flegrei super-eruption 40000 BP
E_2_07 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 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_13 Verified Cataclysms & Chronology

E_2_13 — Paleocene-Eocene Thermal Maximum

The Paleocene-Eocene Thermal Maximum (PETM) — approximately 55.8 million years ago — was the most extreme rapid warming event of the past 66 million years and is widely studied as a deep-time analog for modern anthropoge

PETM Paleocene-Eocene Thermal Maximum hyperthermal carbon isotope excursion CIE methane clathrate
E_2_25 Verified Cataclysms & Chronology

E_2_25 — Glacial Lake Outburst Floods (GLOFs): Catastrophic Drainage Events

Glacial Lake Outburst Floods (GLOFs) — also known by the Icelandic term jökulhlaup — are sudden, catastrophic releases of water from glacially dammed or moraine-dammed lakes, producing some of the largest known flood eve

GLOF glacial lake outburst flood jökulhlaup Missoula floods channeled scablands ice dam
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_09 Cataclysms & Chronology

E_2_09 — Heinrich Events and Bond Cycles: Millennial-Scale Climate Oscillations

Heinrich events are episodes of massive iceberg discharge from the Laurentide Ice Sheet through Hudson Strait into the North Atlantic, depositing distinctive layers of ice-rafted debris (IRD) across the ocean floor. Firs

Heinrich events Bond cycles ice-rafted debris Dansgaard-Oeschger thermohaline circulation AMOC
E_2_27 Verified Cataclysms & Chronology

E_2_27 — Mega-Tsunami History: Evidence for Catastrophic Wave Events

Mega-tsunamis — wave events with initial amplitudes of tens to hundreds of meters, far exceeding the 10–30 m waves generated by typical seismic tsunamis — are produced by catastrophic mechanisms including volcanic flank

mega-tsunami megatsunami Lituya Bay Storegga Slide Canary Islands volcanic flank collapse
E_2_15 Verified Cataclysms & Chronology

E_2_15 — Azolla Event and Eocene Arctic Cooling

The Azolla Event (c. 49 Ma, Middle Eocene) refers to a period of approximately 800,000 years during which the floating freshwater fern _Azolla_ bloomed prolifically across the semi-enclosed Arctic Ocean, sequestering mas

Azolla event Azolla fern Arctic Ocean Eocene carbon sequestration CO₂ drawdown
E_2_19 Verified Cataclysms & Chronology

E_2_19 — Volcanism and Human Evolution: Eruptions That Shaped Our Species

The relationship between volcanism and human evolution operates on multiple scales and through multiple mechanisms — from the geological forces that created the landscapes where hominins evolved, to the catastrophic erup

volcanism human evolution Toba volcanic winter bottleneck tephra
E_2_10 Verified Cataclysms & Chronology

E_2_10 — Volcanic Winter and Civilizational Effects

Large volcanic eruptions can inject sulfate aerosols into the stratosphere, where they reflect incoming solar radiation, producing global cooling lasting 1–3 years — a phenomenon known as volcanic winter. The most severe

volcanic winter eruption Tambora year without summer VEI volcanic explosivity
E_2_20 Verified Cataclysms & Chronology

E_2_20 — Medieval Warm Period: Climate Optimum and Civilizational Flourishing

The Medieval Warm Period (MWP) — increasingly referred to in scientific literature as the Medieval Climate Anomaly (MCA) to emphasize its complex spatial patterns — was a period of relatively warm climatic conditions acr

Medieval Warm Period MWP Medieval Climate Anomaly MCA Little Ice Age climate optimum
E_2_01 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_2_18 Verified Cataclysms & Chronology

E_2_18 — Minoan Eruption Expanded: Tsunami, Ashfall, and Civilization Collapse

The Minoan eruption of Thera (modern Santorini, Greece) was one of the largest volcanic eruptions of the Holocene — a VEI 6–7 event that ejected approximately 60–100 km³ of magma (DRE; some estimates reach 40 km³ DRE wit

Minoan eruption Thera Santorini Bronze Age Minoan civilization caldera
E_4_03 Cataclysms & Chronology

E_4_03 — Paleomagnetism & Geomagnetic Excursions

Earth's magnetic field periodically undergoes dramatic excursions and full polarity reversals, with profound physical consequences including weakened radiation shielding, increased UV exposure, and ozone depletion. The L

paleomagnetism Laschamp Mono Lake Gothenburg geomagnetic excursion Cooper Adams Event