May 25, 1771, birthday of German anatomist Johann Christian Rosenmüller. As a student he explored a cave near the village of Muggendorf. Austria. There he discovered some bones and a skull. From his analysis of the bones he concluded that the remains represented an extinct species of bear...

May 24, 1970, at the centenary of the birth of Vladimir Lenin, Soviet engineers and scientists start drilling at the Kola Superdeep Hole in the Murmansk region ...

May 24, 1906, birthday of American naval officer and geologist Harry Hammond Hess. Best known for developing the theory of seafloor spreading, one of the foundations of modern plate tectonics ...

May 23 is Día del Geólogo in Paraguay 🇵🇾⚒️ commemorating the founding in 1980 of the Asociación de Geólogos del Paraguay (AGP).

May 23, 1707, birthday of Swedish naturalist Carolus Linnaeus or Carl von Linné. Best known for his animals and plants classification & naming system, he included also (without much success) minerals in his work ...

May 21, 1850, birthday of Italian Giuseppe Mercalli. He was a diocesan priest who later became a seismologist & volcanologist, studying earthquakes and Mount Vesuvius. The Mercalli intensity scale to assess earthquake damage is named after him.

May 21, 1799, birthday of Mary Anning. Carpenter daughter, she run a fossil business in Lyme Regis, making important paleontological discoveries in the Lias of Dorset ...

Want to support the channel and get a good #book on #geology? 📚Like volcanologist David Johnston's biography who sadly died in the Mount St. Helens eruption 46 years ago ? #Books for sale with more to come. Contact & inquiries welcome by DM or e-mail📨 www.bressan-geoconsult.eu/buchverkauf-...

May 20, 1883, steam and ash clouds were first reported over a volcano on a small island in the middle of the Sunda Strait - three months later Krakatoa will explode...

May 19, 1919, Mount Kelud (island of Java, Indonesia) erupted with such force that it blew out its crater lake, creating a massive mud-flow that covered the surrounding farmland, wiping out 100 villages and killing more than 5,000 people. This volcano is the "type locality" of lahars ...

May 19, 1980, Keith Domina takes a break from cleaning up ash from the eruption of Mount St. Helens in Ritzville, Washington, one of the hardest hit towns in the aftermath of the eruption. (Jim Shelton / The Spokesman-Review)

May 19, 1980, rescue efforts start in the blast zone of Mount St. Helens, but there is little hope. The ridge north of the volcano where USGS volcanologist David Johnston had his observation spot was directly hit by the lateral blast and pyroclastic flows. His body is never recovered ...

May 19, 1980, during the night volcanic activity at Mount St. Helens decreases significantly. In the early morning hours the first aerial images show the scale of the eruption, as the volcano lost almost 1,300 feet (400 meters) on height and scorched over 500 km^2 of old-growth forest.

"Vancouver, Vancouver, this is it!" On May 17, 1980, volcanologist David Johnston volunteers to take over the observation post at Mount St. Helens as his colleague Harry Glicken, who had manned the post the previous two weeks, has to return to California ...

At 8:32:21 a.m. in the early morning of May 18, 1980, a magnitude 5.1 #earthquake strikes 1 mile (1,6 km) below Mount St. #Helens, triggering one of the largest landslides ever witnessed by humans - followed by a gigantic lateral blast ...

May 18, 1920, during a meeting of the German Geographical Society in Leipzig, meteorologist and geophysicist Alfred Wegener presents his theory that continents move over time, providing also a map showing the position of the continents during the Carboniferous, the Eocene and today ...

May 16, 1980, this image of Mount St. Helens, viewed from the Coldwater II observation post and taken by volcanologist Harry Glicken, is one of the last photographs showing the entire mountain ...

May 16, 1861, botanist John Stevens Henslow died #OTD. An important mentor to a young Charles Darwin. Apart introducing him to #botany 🌼 he also taught him some basic #geology ⚒

Want to support the channel and get a good #book on #geology? 📚 #Books for sale with more to come. Contact & inquiries welcome by DM or e-mail > [email protected] < 📨

April 15, 1980, this is the fourth week of activity at Mount St. Helens. Seismometers show continued sizeable earthquakes, but no explosions. The local Oregonian newspaper chides the volcano for putting on a half-hearted show with just minor steam emissions and a little ash.

May 14, 1915, Lassen Peak in California erupts violently - it was the last volcanic eruption in the continental U.S. before Mount St. Helens in 1980 🌋

May 13, 1588, birthday of Danish physician & natural historian Ole Worm. His famous cabinet of curiosities in Copenhagen hosted all sorts of natural oddities - including fossils 🐚

"The deep interior of the Earth is inaccessible, & no rays of light penetrate to let us see what is below the surface. But rays of another kind penetrate and carry with them their messages from the interior." May 12, 1888, birthday of Danish seismologist Inge Lehmann, discoverer of Earth's core ...

“Captured for life by chemistry and by crystals” 💎 May 12, 1910, birthday of British crystallographer Dorothy Crowfoot Hodgkin. Turning a childhood interest in crystals into the ground-breaking use of X-ray crystallography to map molecules of penicillin, vitamin B12 & insulin

May 12, 1835, Charles Darwin visits the Panulcillo Copper Mine in North Chile - where a large magmatic intrusion formed a contact-metamorphic rim rich in copper minerals ⚒️

I´m searching for a #job opportunity in the #EU 🔎👷🏻‍♂️ Background in #geology, interested & long experience in environmental consulting, engineering, hydrogeology & geotechnical work ⚒️ E-mail or DM for CV ✉️ - homepage: www.bressan-geoconsult.eu Thanks for sharing & spreading

#MineralMonday 💎 Lamprophyres (from the Greek lamprós = "bright" and phýro = to mix) were named by German geologist Carl Wilhelm von Gümbel in 1874, describing rocks rich with mica and amphiboles/pyroxens crystals - "glittering bright" on a fresh rock surface and inspiring the name.

May 11, 1820, launch of the brig sloop "HMS Beagle." Eleven years later it will take a young Charles #Darwin on his famous scientific voyage around the world ⛵ www.bressan-geoconsult.eu/darwin-the-g...

May 10 is celebrated as Geology Day (地質の日, Chishitsu no Hi) in #Japan to commemorate the establishment of the first comprehensive geological survey in 1876 🇯🇵⚒️

May 10, 1826, birthday of British amateur microscopist and geologist Henry Clifton Sorby 💎🔬 ...

In 2015, David Attenborough unveiled the plaque commemorating the site of William "Strata" Smith’s London home. He also attended the presentation of a rare first edition of Smith's geological map ...

May 8, 1902, Mount La Pelée on the Caribbean island of Martinique erupts. An entire city with 30.000 people is destroyed ...

HOGG sends congratulates Sir David Attenborough on his 100th birthday. His lifelong interest in geology and fossils extends to history of geology. He unveiled the green plaque commemorating the site of Strata Smith’s London home and wrote the foreword to 'William Smith's Fossils Reunited'.

May 8, 1926, happy 100th 💯🎂 birthday to Sir David Frederick Attenborough, broadcaster, naturalist and fossilist 🐚🔨

The very first ocean map showing geologcial structures based on the research by Marie Tharp and Bruce Heezen, published in 1959 libraryoflostmaps.com/2026/05/06/f...

"My Dear Sister: This morning the whole population of the city is on the alert and every eye is directed toward Mont Pelee, an extinct volcano. Everybody is afraid that the volcano has taken into its heart to burst forth and destroy the whole island" ...

May 6, 1859, German naturalist and explorer Alexander von Humboldt died at the age of 89. He started as a mining engineer keeping a a life-long interest in how volcanic forces shape Earth 🌋 ...

May 6, 1976, il Terremoto del Friuli - a Mw 6.5 earthquake centered around the Italian town of Gemona in the province of Friuli kills 939 people, injures 2.400 and leaves 157.000 homeless.

May 5, 1818, birthday of German philosopher Karl #Marx. His thoughts on #economy & #society may well known, but Marx was actually also interested in #geology & copied some geological drawings, like the basalt cliffs of Staffa, Scotland ⚒️

May 4, 1902, the crater lake on top of Mount Pelée overflows, the resulting lahar (volcanic mudflow) surges down the slopes killing over 150 people. Yet this warning sign is ignored by most residents of the nearby city of St. Pierre... www.bressan-geoconsult.eu/support-hist...

‪ May 4, 1902, the crater lake on top of Mount Pelée overflows, the resulting lahar (volcanic mudflow) surges down the slopes killing over 150 people. Yet this warning sign is ignored by most residents of the nearby city of St. Pierre ... www.bressan-geoconsult.eu/support-hist...

May 3, 1902, activity intensified at Mount Pelée, the mountain is rumbling and ash fall covers part of the island of Martinique. Yet local authorities assure the 30.000 locals in the nearby town of Saint Pierre that the volcano presents no danger... www.bressan-geoconsult.eu/support-hist...

April 30, 1864, birthday of Scottish biologist & paleontologist Maria Matilda Ogilvie Gordon. Inspired by fossil corals, she became a pioneering geologist in the Dolomites, publishing over 30 papers, detailed geological maps & one of the first field guides of the Dolomites for the general public ⛰️

April 30, 1980, volcanologist David A. Johnston (standing in the bottom left corner) collecting gas samples in the crater of Mount St. Helens. He will perish in the great eruption 3 weeks later, aged just 30.

"Continental drift, a theory often considered amusing but rarely important, seems about to become the focus of a revolution in geology" from "Drifting theories shake up geology," a Science News article published on April 29, 1967 🌍

April 28, 1854, birthday of British engineer, mathematician, physicist, and inventor Hertha Marks Ayrton. In a 1904 paper she explained how currents can form ripple marks 🌊

April 28, 1928, birthday of American geologist and pioneer of planetary geology Eugene Merle Shoemaker ...

April 27, 1840, birthday of British alpinist, artist & mountaineer Edward Whymper, one of the few survivors of the first ascent on the Swiss Matterhorn in 1865 ...

April 26, 1986, Reactor 4 at the Wladimir Iljitsch Lenin Atomic Power Station near the city of #Chernobyl, #Ukraine, experiences a catastrophic core meltdown - the radioactive lava that formed was named Corium - and it's still there 🌋☢️

April 26, 1774, birthday of German geologist Christian Leopold von Buch. He made several important contributions to geology ...