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What petrologists learned about #MaunaLoa: 2022 eruption fed by homogenous magma, likely a new intrusion in months prior to eruption. Nearly crystal-free, low-MgO eruption not influenced by rift-stored magma leftover from 1984. More in #VolcanoWatch: usgs.gov/observatories/…

Sadly, a violent tornado shredded homes into pieces in Norman, OK Sunday night. We're now getting a look at damage as daylight emerges in Oklahoma. #OKwx #tornado

GIS (Geographic Information System) tools are about more than just making maps. Today’s #Yellowstone #CalderaChronicles explores how GIS systems can be used to organize complex geological datasets, like hot spring acidity. ow.ly/kKQ850MWlQQ

We are now targeting 11:15pm EST for the start of @NASA’s @SpaceX Crew-6 mission prelaunch news teleconference. Tune in: nasa.gov/live

What happened to slow slip events on #Kilauea's south flank? #HVO scientists share how massive stress release from the M6.9 EQ (May 4, 2018) means the fault that produced SSEs needs time to build enough stress to start producing SSEs again: usgs.gov/observatories/… #VolcanoWatch

One of these things is not like the other ...

A horseshoe crab helping its mate Despite their armored appearance, horseshoe crabs can see. They have 10 eyes, a pair of compound eyes on the prosoma, and "photo receptors" in other areas, primarily along the tail [📹 buff.ly/3Ek93px]

Horsetail Falls in Yosemite turned into a fire fall Friday night - a phenomenon caused by the angle of sunlight hitting the falls at sunset!

Comparing #MaunaLoa 1984 to 2022: scientists & citizens awakened from slumber, similar seismicity, glow from summit, migration to NERZ. For both, no significant impacts to infrastructure. #HVO appreciates community awareness & preparedness. #VolcanoWatch usgs.gov/observatories/…

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Feel like you’re spiraling? You’re in good company! Webb’s images of NGC 1365 (left), NGC 7496 (top) & NGC 1433 (bottom) reveal the galaxies' networks of gas and dust in incredible detail. The data is part of an ongoing Webb survey of 19 spiral galaxies: go.nasa.gov/3YzvAXj

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Watch as severe weather blasts through west Tennessee this morning! Have a plan for severe weather wherever you are today! #TNwx

Huge bolts of #lightning have been seen in #Mississippi tonight as powerful storms strike the South. #MSwx We'll have more details on-air and online.

Dangerous conditions in the Oklahoma Panhandle! Winds to 80 and near zero visibility at times from blowing dust. This is from an @OHPtraffic Trooper who was following an ambulance after a 10-car collision near Goodwell on Hwy 54. #okwx #koco5

Your Sunday morning sunrise zen comes from Belgium, WI, where we're seeing clumps of ice gather along the Lake Michigan shoreline. #WIwx #sunrise

Thunderstorms observed in the southeast U.S and offshore. Seen this afternoon by NOAA-20 and SNPP VIIRS.

#HVO gas team shifts gear, driving ~3,000 miles (4,800 km) with a vehicle-mounted ultraviolet spectrometer to measure SO2 emission rates during #MaunaLoa eruption. Driving pays off. HVO reports emission rates to the public & vog forecasters. #VolcanoWatch: usgs.gov/observatories/…

530am: 2"/hr snow rates here at NWS Caribou, the heaviest snow rate we've seen so far. Up to 4.4" snow here. Snow rates decrease significantly in about an hour, with sleet perhaps mixing in. #MEwx

If you need us we'll just be watching this video on repeat 🔂 #UTwx

Early morning overflight of #Kilauea's summit. Active eastern lava lake is ~25 acres in size & its small lava fountain reaches heights of 1-2 m (visible in live-stream video at youtube.com/usgs/live). Smaller western & central lava ponds remain active with occasional overflows.

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