Marvelous publication. #California #geology #geoheritage #megathrust #GeologicMapping
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#megathrust
Latest posts tagged with #megathrust on Bluesky
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#TimeWillTell ꩜*
# 21
Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#December #25th ⋅ #2025
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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#TimeWillTell ꩜*
# 21
Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#December #25th ⋅ #2025
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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#TimeWillTell ꩜*
# 21
Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#November #22nd ⋅ #2025
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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#TimeWillTell ꩜*
# 21
Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#November #22nd ⋅ #2025
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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An #earthquake of magnitude Mw 7.4 struck offshore #Mindanao island, #Philippines.
Both hypocentral depth (~60km) and mechanism (thrusting) suggest a rupture on, or near the subduction #megathrust which allows the Philippines oceanic plate to plunge westward under the islands. ⚒️ 🧪
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#TimeWillTell ꩜*
# 21
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#September #3rd ⋅ #4th ⋅ #2025
⏰ 10:21
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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We drilled deep under the sea to learn more about mega-earthquakes and tsunamis
#Earthquakes #Tsunami #Japan #JapanTrench #Chikyu #EarthquakeResearch #TsunamiScience #IODP405 #SeafloorDrilling #MegaThrust #Geoscience #TectonicPlates #DisasterPreparedness
the-14.com/we-drilled-d...
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#August #29th ⋅ #30th ⋅ #2025
⏰ 10:21
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#August #29th ⋅ #30th ⋅ #2025
⏰ 10:21
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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Sleeping giants may awaken after the Krasheninnikov eruption.
EVEN MORE VOLCANOES ARE POPPING!
#Kamchatka #Megathrust #Earthquake #Tsunami #Kresheninnkov #GEOPHYSICS
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This water surface roughness visualisation of the #Copernicus #Sentinel1 data acquired over 7 hours over the #megathrust #earthquake shows how complex tsunami wave field is 🤯
Image via Copernicus Browser.
link.dataspace.copernicus.eu/g3rj
@fabriceardhuin.bsky.social @copernicusmarine.bsky.social
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Have prior #megathrust #earthquakes in region caused topographic changes, say uplift, along parts of Kamchatka Peninsula ?
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Map showing all events from the 2006-2009 Kuril earthquake sequence.
#Kuril #earthquake sequence 2006-2009 👇. #Megathrust #earthquakes encircled in yellow, outer-rise events in green. Majority of outer-rises are extensional and shallow. But a compressional one happened deeper. Bending of oceanic crust explains these mechanisms.
⚒️ 2/2
Source doi:10.1029/2008JB006280
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It appears that the Mw8.8 of yesterday triggers outer-rise extensional #earthquakes 👇.
Outer-rise earthquakes break the oceanic plate seaward from the trench. They may be large. Little more south, the Mw8.1 of Jan 2007 (outer-rise) followed the Nov 2006 Mw8.3 #Kuril #megathrust #earthquake. ⚒️ 1/2
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Map showing location of the earthquake of the 20th of July offshore Kamchatka
Map showing location of the earthquake of the 29th of July offshore Kamchatka
It appears that the magnitude 7.4 #earthquake of the 20th of July was a foreshock for the Mw 8.7 to 8.8 of today offshore #Kamchatka.
Both seem to have broken the #megathrust where the Pacific oceanic plate subducts under Asia.
1/n
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#July #29th ⋅ #30th ⋅ #2025
⏰ 10:21
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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🌊 Japan faces a silent giant! The Nankai Trough could unleash a colossal earthquake & tsunami within 30 years. A breathtaking, yet daunting, power of nature! 😮 #megathrust
Source: phys.org/news/2025-07-unmanned-ae...
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#July #23rd ⋅ #24th ⋅ #25th ⋅ #2025
⏰ 10:21
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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map showing location of earthquake and thrust mechanism
map showing location of the second earthquake and thrust mechanism
A magnitude 6.8 foreshock followed by a magnitude 7.4 #earthquake 20 minutes later, offshore #Kamchatka.
Shallow hypocentral depths and thrust mechanisms point to a rupture on the #subduction #megathrust. ⚒️ 🧪
geoscope.ipgp.fr/index.php/en...
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#July #23rd ⋅ #24th ⋅ #2025
⏰
✦ M 8.1 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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#TimeWillTell ꩜*
Eastern Mediterranean Sea, Ionian Sea, Aegean Sea, Adriatic Sea, Tyrrhenian Sea
• THE #HELLENIC #ARC •
#April #26th ⋅ #27th ⋅ #2025
⏰ 15:33 p.m.
✦ M 9.3 #Megathrust #Earthquake
♦ #MediterraneanSea #Tsunami 🌊
♦ #VolcanicEruption 🌋 #Aftershocks 🪨
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Randomness Of #Megathrust #Earthquakes Implied By Rapid #Stress #Recovery After The #Japan #Earthquake
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doi.org/10.1038/ngeo...
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#GIS #spatial #mapping #model #modeling #japan #subduction #geology #risk #hazard #engineeringgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #Tohoku
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