Earth Sciences Forum

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Join the experts in discussing earth science topics. Earth science is the physical state of the earth and its atmosphere. Such as Geology, Meteorology, Oceanography, Ecology.
Mass Extinction Event 259-263 Mya via volcanic activity.
  • pinball1970
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Three Sisters Volcano - Ongoing Magmatic Intrusion
  • Astronuc
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4
Where Can I Buy Thorium-90 for a 90th Birthday Gift?
  • david007
  • · Replies 22 ·
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Cool Geology Pics - Share Yours Here!
  • BillTre
  • · Replies 8 ·
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8
Meteorite from El Ali, Hiiraan, Somalia (2020) 9th largest - 15 tonne
  • Astronuc
  • · Replies 3 ·
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3
New Seamount discovered off coast of California
  • Astronuc
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Tanaga and Takawangha Volcanoes Tanaga Island, Alaska - March 2023
  • Astronuc
  • · Replies 1 ·
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Calculating atmospheric partial pressure of oxygen
  • GhostLineage
  • · Replies 11 ·
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11
Does anyone have a table of Earth mean temperatures?
  • tonyeveland
  • · Replies 8 ·
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Alaska's Trident Volcano has increased seismic activity
  • Astronuc
  • · Replies 1 ·
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Local Effects of a Kimberlite Eruption?
  • Malapine
  • · Replies 6 ·
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Mag 7.8, 7.5, 6.7 and 6.0 earthquakes and aftershocks in Turkey
  • Astronuc
  • · Replies 31 ·
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Auckland, NZ flooding, January 2023
  • Astronuc
  • · Replies 8 ·
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Mag 5.3 earthquake - 39 km WSW of Mentone, Texas
  • Astronuc
  • · Replies 2 ·
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Vanuatu - East Epi underwater volcano eruption
  • Astronuc
  • · Replies 7 ·
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Why are people still risking their lives to get close to active volcanoes?
  • Astronuc
  • · Replies 7 ·
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Coldest Place on Earth - in Antarctica, of course
  • Astronuc
  • · Replies 5 ·
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Consequences of global climate change
  • Spathi
  • · Replies 28 ·
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Recent moderate earthquakes in Alberta, near Peace River - 29 Nov 2022
  • Astronuc
  • · Replies 1 ·
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Is Reducing Livestock Herd Size the Key to Reducing Methane Emissions?
  • Graeme M
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What does gravity have to do with sea level?
  • mark2142
  • · Replies 23 ·
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Did the 1883 Krakatoa Explosion Leave Ships in Peril?
  • Baluncore
  • · Replies 16 ·
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Mauna Loa, Hawaii, unrest - Mag 5.0
  • Astronuc
  • · Replies 4 ·
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Mag 5.6 earthquake - Java, Indonesia
  • Astronuc
  • · Replies 1 ·
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What is an atmosphere comparable to Earth's atmosphere?
  • Lotto
  • · Replies 3 ·
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3
Science which goes into computing hurricane predictions
  • scottdave
  • · Replies 5 ·
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5
Heavy rainfall and flooding in central Victoria, Australia
  • Astronuc
  • · Replies 10 ·
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Mount Edgecumbe, dormant for 800 years, now showing activity
  • Astronuc
  • · Replies 1 ·
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Are Recent Volcanic and Seismic Activities in Italy Interconnected?
  • fresh_42
  • · Replies 4 ·
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Why 80% of Americans Live East of This Line
  • Tom.G
  • · Replies 39 ·
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M 7.6 - Colima-Michoacan border region, Mexico
  • Astronuc
  • · Replies 2 ·
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What caused the recent earthquakes in Taiwan?
  • davenn
  • · Replies 2 ·
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I find the concept of folding a little fantastical
  • Hall
  • · Replies 16 ·
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Mag 7.6 earthquake near Kainantu, Papua New Guinea
  • Astronuc
  • · Replies 3 ·
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3
Crest to Crest Velocity of Tsunami
  • Point Conception
  • · Replies 18 ·
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Is This a Meteor? My Arrowhead Hunting Find in Southeast Missouri
  • Xain2015
  • · Replies 20 ·
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Theories on how the food supply evolved along with life?
  • Robert P
  • · Replies 11 ·
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Could This Beach Find in Italy Be a Meteorite?
  • Aidan
  • · Replies 7 ·
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Environment: Plastics in rainfall (PFOA and PFAS)
  • 256bits
  • · Replies 10 ·
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Mapping "Every Inch [or cm] of the Seafloor"
  • Astronuc
  • · Replies 20 ·
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Fossilized Footprints dating to ~23k years ago, White Sands, NM
  • Astronuc
  • · Replies 7 ·
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Dangers at the World's Deepest Cave
  • jedishrfu
  • · Replies 9 ·
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9
At what depth is the phase of temperature profile reversed?
  • rmjmu507
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Hungersteine -> "hunger stones" hydrologic markers of famine
  • jim mcnamara
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Chance of Rain: Interpreting Probabilities
  • Vanadium 50
  • · Replies 24 ·
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Lake Hydrology Physics: Observing Shoreline Changes
  • Glenstr
  • · Replies 4 ·
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Measuring Earth and its Mountains
  • Astronuc
  • · Replies 6 ·
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Splitting Rock with Superficial Heat
  • Brav24
  • · Replies 7 ·
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Probability of Rain in weather forecasts
  • PhanthomJay
  • · Replies 19 ·
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How can I differentiate between monsoon rains and cyclonic rain?
  • Hall
  • · Replies 10 ·
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Why are there clouds over the Intertropical Convergence Zone?
  • Hall
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Tornado path visualization - what is this data?
  • DaveC426913
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What kind of rock have I found?
  • Cramberamber5
  • · Replies 5 ·
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CO2 allows volcanoes to form persistent lava lakes at the surface
  • Astronuc
  • · Replies 1 ·
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Dinosaur killed in asteroid strike found
  • Isopod
  • · Replies 12 ·
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Dark fiber optic cables as Earthquake detectors
  • Oldman too
  • · Replies 9 ·
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Is It a Rock, Fossil, or Meteorite?
  • Capester
  • · Replies 9 ·
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Impact events: when were they first seen as potentially catastrophic?
  • Rendering
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Ice Age Treasures: Searching for Frozen Relics in the Alps
  • Isopod
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Earthquakes in Sao Jorge Island, Azores, Portugal
  • Astronuc
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Does climate change affect air density at altitude (scale height)?
  • Mike S.
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A new technique for imaging underground geothermal features
  • Oldman too
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What are the mysterious rock formations at Al-Naslaa?
  • jim mcnamara
  • · Replies 5 ·
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Hiawatha impact crater in Greenland, formed ~58 million years ago
  • Astronuc
  • · Replies 1 ·
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7.3 Magnitude Quake Hits North Japan
  • gmax137
  • · Replies 4 ·
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Does anyone know what these rocks are? Please any info welcome
  • Kstarlove1728
  • · Replies 25 ·
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Tilting of Earth's crust, Ancient Megafloods, e.g., Missoula Floods
  • Astronuc
  • · Replies 6 ·
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Yilan crater in Northeast China - 1.15-mile (1.85 km) wide
  • Astronuc
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Tornado prediction or forecasting possible using Supercomputers?
  • akerkarprashant
  • · Replies 18 ·
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Coriolis Force in East-West Direction
  • person123
  • · Replies 32 ·
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New Zealand, as part of a small continent, Zealandia?
  • Astronuc
  • · Replies 1 ·
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170-million-year-old Jurassic pterosaur fossil found on Isle of Skye
  • Astronuc
  • · Replies 0 ·
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Application Of Kirchoff Law (Desert)
  • Aurelius120
  • · Replies 6 ·
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6
The Alpine Fault, upper South Is., New Zealand
  • davenn
  • · Replies 3 ·
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Formation and evolution of the Great Lakes in US/Canada border
  • Astronuc
  • · Replies 8 ·
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Huge mountain chains associated with major evolutionary changes.
  • jim mcnamara
  • · Replies 4 ·
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CME's, Blackstarts, and internet problems?
  • jim mcnamara
  • · Replies 5 ·
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Phys.org, 768-km (477 mile) US megaflash lightning discharge
  • Astronuc
  • · Replies 1 ·
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Volcanologists want to put sensors directly into an Underground Magma Chamber
  • BillTre
  • · Replies 17 ·
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How Do Methane and Hydrogen Sulfide Contribute to Global Warming?
  • moriah
  • · Replies 3 ·
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Where is the night side of the ITCZ during Northern Summer?
  • darkdave3000
  • · Replies 7 ·
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Understanding Fog Formation and Dew Point from Wikipedia
  • rudransh verma
  • · Replies 23 ·
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What Triggers Lightning - Revealed
  • Tom.G
  • · Replies 1 ·
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Can We Predict Earthquakes? | Hello PF
  • Shakir
  • · Replies 4 ·
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Live volcanic eruption in Canary Islands, Spain
  • rsk
  • · Replies 25 ·
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References on Artificial Volcanos
  • thidmir
  • · Replies 2 ·
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Fate of Sinking Tectonic Plates
  • Tom.G
  • · Replies 2 ·
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Mount Semaru eruption (Indonesia)
  • jim mcnamara
  • · Replies 4 ·
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Stress at Plate Boundaries vs. Pure Elastic Stress: A Comparison
  • curious_ocean
  • · Replies 12 ·
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Popular estimate of the Earth's atmosphere possibly wrong?
  • Dreksler
  • · Replies 6 ·
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What are the different types of volcanoes and how are they formed?
  • curious_ocean
  • · Replies 4 ·
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4
How do Dangerous Unstable Lakes pose a potential threat to human populations?
  • BillTre
  • · Replies 6 ·
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Mysterious Shards of Glass Strewn Across Miles of Atacama Desert
  • Astronuc
  • · Replies 1 ·
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Ordovician mass extinction second wave - deep sea anoxia
  • jim mcnamara
  • · Replies 2 ·
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How to Grow Crops on a Hotter Earth
  • Tom.G
  • · Replies 1 ·
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Looking for review article on planetary interiors
  • Frabjous
  • · Replies 4 ·
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Condensed parts of Earth's atmosphere
  • snorkack
  • · Replies 5 ·
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M 6.2 - 21 km SSE of Yilan, Taiwan
  • Astronuc
  • · Replies 1 ·
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Can we assume constant C14 to C12 ratio in living tissues?
  • wywong
  • · Replies 5 ·
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5
Excess CO2 Problem Solved by making starch out of CO2?
  • optotinker
  • · Replies 18 ·
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18