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.
  • Sticky
Climate Change / Global Warming Policy
  • Greg Bernhardt
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Large M7.3 quake offshore of SW Mexico
  • davenn
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The Secrets of Prof. Verschure's Rosetta Stones
  • Andy Resnick
  • · Replies 167 ·
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Thermohaline circulation during 'Snowball Earth' episodes ?
  • Nik_2213
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M 2.9 - 20 km ENE of Kenilworth, Illinois
  • robphy
  • · Replies 1 ·
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M 7.5 Earthquake - 28 km SE of Yumare, Venezuela
  • Astronuc
  • · Replies 10 ·
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Klaxon - Live Earthquake and Global Events Map
  • Borg
  • · Replies 0 ·
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0
M7.8 offshore southern Mindanao, Phillipines
  • davenn
  • · Replies 2 ·
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2
Colorado Rockies, Front Range, Water and Uranium
  • Astronuc
  • · Replies 1 ·
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Iceberg A-23A turns blue, starts traveling and may break apart
  • Astronuc
  • · Replies 5 ·
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5
Meteor (May 30) over New Hampshire and Massachusetts
  • Astronuc
  • · Replies 1 ·
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Long term rain forecast, causes and implications?
  • mayflowers
  • · Replies 22 ·
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Methane as a greenhouse gas
  • Philolsophy
  • · Replies 28 ·
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Mag 4.1 Earthquake here in S. Ontario
  • DaveC426913
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Landslide, tsunami, seiche in Tracy Arm fjord, Alaska - 10 August 2025
  • Astronuc
  • · Replies 5 ·
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Ocean Quiz
  • Hornbein
  • · Replies 1 ·
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Mag 7.4 Earthquake, Tanohata/Miyako, Iwate, Japan + Aftershocks
  • Astronuc
  • · Replies 1 ·
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Extreme Ecology On Christmas Island
  • Hornbein
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Mag 6.4, Triple Point -Juan de Fuca (Gorda), N America, Pacific Plates
  • Astronuc
  • · Replies 7 ·
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Cool weather experience - echos off clouds
  • DaveC426913
  • · Replies 5 ·
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5
Another Kīlauea Eruption seems to be beginning
  • BillTre
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Mt Etna eruption and activity, January 2026
  • Astronuc
  • · Replies 1 ·
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Pangea Ultima
  • 256bits
  • · Replies 3 ·
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3
2025 Eruption of Mount Semeru on Indonesia
  • Astronuc
  • · Replies 1 ·
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Mag 7.6 - 73 km ENE of Misawa, Japan, tsunami warning issued
  • Astronuc
  • · Replies 5 ·
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Mag 7.0 Earthquake, Hubbard Glacier, Alaska - British Columbia
  • Astronuc
  • · Replies 1 ·
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Some finds of fossil Devonian fungus "Prototaxites"
  • DrDu
  • · Replies 8 ·
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Volcanic Eruption(s) and the Bubonic Plague Pandemic of 1346-1353 CE
  • Astronuc
  • · Replies 2 ·
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Maryborough meteorite
  • Astronuc
  • · Replies 10 ·
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10
(Unprecedented?) Cluster of earthquakes in Greek islands
  • AndreasC
  • · Replies 15 ·
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Hayli Gubbi volcano eruption; Ethiopia's Afar region (Nov 2025)
  • Astronuc
  • · Replies 6 ·
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Cool Geology Pictures
  • BillTre
  • · Replies 23 ·
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The Oldest Rock on Earth?
  • Astronuc
  • · Replies 3 ·
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3
M6.4, Eastern Banda Sea, Indonesia
  • davenn
  • · Replies 0 ·
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0
Why do almost all rivers in the world flow North to South?
  • sevensages
  • · Replies 40 ·
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M7.6 Drake Passage; M7.4, M6.7 Philippines, M6.3 Papua New Guinea Earthquakes
  • Astronuc
  • · Replies 1 ·
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The usage of dipole-dipole array in Lumpur Sidoarjo (Lusi)
  • aruhiruna
  • · Replies 3 ·
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3
Mount Everest (Qomolangma, Sagarmatha) Weather and Exploration
  • Astronuc
  • · Replies 1 ·
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Not a sundial - a shadow dial is what I want
  • DaveC426913
  • · Replies 11 ·
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11
1831 CE mystery eruption - Zavaritskii caldera, Simushir Island (Kurils)
  • Astronuc
  • · Replies 1 ·
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Super Typhoon Ragasa, strongest so far this year, 2025
  • Astronuc
  • · Replies 2 ·
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What papers is the CO2 climate change theory based on?
  • physicsforman
  • · Replies 18 ·
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Which is which among Cyclone, Hurricane, and Typhoon?
  • symbolipoint
  • · Replies 19 ·
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Could an external cosmic body have influenced Earth’s geology?
  • Dani Rose
  • · Replies 22 ·
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Thwaites glacier instability
  • jim mcnamara
  • · Replies 1 ·
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Dealing with mercury produced by hydroelectric dams’ reservoirs
  • jake highlander
  • · Replies 15 ·
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M7.5 South of South America - Drake Passage
  • davenn
  • · Replies 2 ·
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Earthquakes in Queensland, Mag 4.9, 5.6 - August 15
  • Astronuc
  • · Replies 5 ·
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Very long-term temperature trend
  • DOGE3500
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Tintina fault (Yukon, Alaska, US and Canada) becoming more active?
  • Astronuc
  • · Replies 2 ·
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What is the Rate of Perceived Horizon Curvature Change with Altitude?
  • ScarBest
  • · Replies 90 ·
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M 8.8 Off East Coast of Kamchatka
  • fresh_42
  • · Replies 6 ·
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Mount Rainier - earthquake swarm July 2025
  • Astronuc
  • · Replies 2 ·
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Lewotobi Laki-Laki volcano eruption, East Nusa Tenggara, Indonesia
  • Astronuc
  • · Replies 1 ·
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Christopher Scotese on early plate tectonics
  • BillTre
  • · Replies 1 ·
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Minor phreatomagmatic eruption, Taal Volcano, Philippines, July 17
  • Astronuc
  • · Replies 2 ·
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M 7.3 - 2025 Sand Point, Alaska Earthquake, 16 July, 2025
  • Astronuc
  • · Replies 4 ·
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Mw7.7 - 16 km NNW of Sagaing, Myanmar
  • davenn
  • · Replies 7 ·
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Iceland warming up again - quakes swarming
  • davenn
  • · Replies 74 ·
3
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Probabilistic Seismic Hazard Analysis (PSHA) - Identification of area sources
  • Luiz1304
  • · Replies 1 ·
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An article on Antarctic Eocene climate
  • snorkack
  • · Replies 21 ·
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Penguin poop seeds clouds
  • Frabjous
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Was There Any Damage or Tsunami from the M6.4 Earthquake Near Angoram, PNG?
  • davenn
  • · Replies 2 ·
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Active volcanoes in W US and US territories likely to erupt soon
  • Astronuc
  • · Replies 1 ·
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M 7.4 - 2025 Drake Passage Earthquake - unusual
  • Astronuc
  • · Replies 3 ·
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M6.2 quake SW of NZ
  • davenn
  • · Replies 1 ·
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Tall building sighting distance
  • Echoing Stars
  • · Replies 10 ·
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Trying to identify a weird metal object found on a beach
  • xtempore
  • · Replies 48 ·
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Any videos of rock ground rupture of deep major faults?
  • snorkack
  • · Replies 5 ·
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Study suggests Earth's hydrogen was enough for its water budget
  • pinball1970
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What is going on with Earth's longwave energy imbalance?
  • johnbbahm
  • · Replies 4 ·
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4
Mag 7.0 - 73 km SE of Pangai, Tonga
  • Astronuc
  • · Replies 1 ·
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Insights Is There Really a Tidal Bulge? Exploring the Debate and Its Implications
  • D H
  • · Replies 27 ·
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A Tribute to Our Geologists
  • BillTre
  • · Replies 5 ·
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How Did Tropical Cyclone Alfred Impact Southern Regions?
  • bhobba
  • · Replies 13 ·
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What is the Tidal Bulge Theory and its Controversies?
  • roufeng_yang
  • · Replies 13 ·
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Global Warming, History of Earth's Temperature
  • Tom.G
  • · Replies 79 ·
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M 7.6 Earthquake - 209 km depth - midway between Jamaica and Belize
  • Astronuc
  • · Replies 1 ·
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Earth's earliest forest discovered in SW England
  • pinball1970
  • · Replies 4 ·
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What is relationship between weather front and cyclone/anticyclone?
  • Mike_bb
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Why is the CO2 problem considered only in the context of climate?
  • Line_112
  • · Replies 13 ·
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Should We Be Planting More Trees?
  • bhobba
  • · Replies 55 ·
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Restoring Dry Desert Rivers Into Green Oasis Flowing With Water
  • Astronuc
  • · Replies 6 ·
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What Are the Potential Downsides of Perennial Grain Crops Like Kernza®?
  • Astronuc
  • · Replies 2 ·
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How could you calculate the energy of a volcano?
  • Ax_xiom
  • · Replies 7 ·
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Indian Ocean "Gravity hole" - a visual explanation
  • DaveC426913
  • · Replies 6 ·
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How Does the Jacchia Model Predict Atmospheric Drag for Satellites in LEO?
  • Astronuc
  • · Replies 1 ·
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Why does crude oil seep out of the ground on this beautiful Caribbean Island?
  • Ranger Mike
  • · Replies 7 ·
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Mag 7.0 - Offshore Cape Mendocino, California, 5 Dec, 2024
  • Astronuc
  • · Replies 3 ·
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Tropical system (storm, depression), 17-22 Nov, 2024
  • Astronuc
  • · Replies 2 ·
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More Consequences of Warming Oceans
  • gleem
  • · Replies 4 ·
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M6.8 Earthquake, 40 km SSW of Bartolomé Masó, Cuba
  • Astronuc
  • · Replies 2 ·
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Total Precipitable Water Vapor (TQV) and Precipitable Water Vapor (PWV)
  • Melra
  • · Replies 4 ·
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Tracking hurricane Milton and its category rating
  • Trying2Learn
  • · Replies 16 ·
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Hurricanes and the Coriolis effect?
  • ben_orin
  • · Replies 5 ·
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Alaska - Pedersen Glacier: Landslide Triggered Tsunami
  • Astronuc
  • · Replies 1 ·
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Shiveluch Volcano erupts on Kamchatka peninsula
  • Astronuc
  • · Replies 1 ·
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A very puzzling rock or a pallasite / mesmosiderite or a nothing burger
  • malcolmh
  • · Replies 25 ·
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M6.8 and M6.3 east of Mindanao, Philippines
  • Astronuc
  • · Replies 4 ·
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What Could Cause a Persistent 250 Hz Hum at Night?
  • Vanadium 50
  • · Replies 21 ·
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M7.1 Earthquake, Hyuganada Sea, E of Kyushu coast
  • Astronuc
  • · Replies 1 ·
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