What does the magma reservoir beneath Yellowstone look like? How has It changed over time? Geologists have been studying volcanic rocks in Yellowstone to try to find out. Read what they’ve learned in this week's Caldera Chronicles: usgs.gov/observatories/…
🌋🌋 #Yellowstone

For 60+ years, researchers with the #USGS Benchmark Glacier Project have studied glacier-climate relationships. See beautiful, new geonarrative describing one of the longest running studies of glaciers on Earth: geonarrative.usgs.gov/glacierclimate/

#USGS _NOROCK USGS Alaska Glacier National Park

The #MarineMammalProtectionAct is celebrating its 50th Anniversary (signed into law October 21, 1972). Learn about the research that USGS is doing to help protect marine mammals and marine ecosystems: ow.ly/H23W50LhUMq and ow.ly/1Oi050LhUMs

[FAQ] How do I sign up for the ShakeAlert® Earthquake Early Warning System? ow.ly/ee0850Lh950
#ShakeAlert ® #Earthquake #Preparedness

The #GreatHaywardEarthquake occurred #OTD in 1868. This earthquake had an estimated magnitude of 6.8 and, due to its location, was one of the most destructive in California history. Learn more: ow.ly/2kGX50Lh7eQ
Photo: Bancroft Library, University of California

After today's ShakeOut earthquake drills do you know how to prepare for an earthquake… before, during, and after? Learn more here: ow.ly/4ngl50LgSyr #preparedness #BeReady

If you are standing on the ground it is a safe bet that you are also standing on water (more like, 'over' water). Water exists in significant amounts below the Earth's surface. Take this true/false quiz about groundwater to learn many little known facts:ow.ly/6jMS50LgRwQ

[FAQ] At what depth do earthquakes occur? What is the significance of the depth?

ow.ly/TCvM50LgTCQ #DYK #geology

USGS FY23 Broad Agency Announcement now open until November 18, 2022. Info & contacts available at ow.ly/343B50LfYaI & ow.ly/96Gb50LfYaG. Proposals are due by 5 pm ET on 11/18/22. BAA reference materials are available here: ow.ly/FwMU50LfYaH #3DEP #lidar

The Great #ShakeOut Earthquake Drill is TODAY at 10:20 AM local time! Get ready to DROP (or LOCK), COVER AND HOLD ON! ow.ly/Ub7l50wMXm9 #preparedness ShakeOut

Notable quake, preliminary info: M 6.8 - south of Panama earthquake.usgs.gov/earthquakes/ev…

Notable quake, preliminary info: M 6.9 - 58 km S of Boca Chica, Panama earthquake.usgs.gov/earthquakes/ev…

Check it out! Our latest #CriticalMinerals airborne geophysical survey partnership is with Washington State Dept. of Natural Resources's Washington Geological Survey: ow.ly/9y8850LfAe3 We'll be looking at 27 mineral commodities in the northeastern part of the state. USGS in Washington

Act now with your earthquake and other natural hazard preparations. The Great #ShakeOut is tomorrow, October 20th, and is a GREAT excuse to consider what you, those you love, and others in your community will do during and after an earthquake. ow.ly/BonQ50LeQ6K

[FAQ] Can I get a USGS scientist to review my book?
Find out the answer here: ow.ly/OxUB50LeRKn

Tell me you're a Planetary Scientist without telling me you're a #PlanetaryScientist ... we'll go first! Does anyone else decorate their space with moons, planets, and stars? 🌟🌛🪐

EarthWord of the day: Hypoxia
What is the #Etymology ?
'Made up of the Greek prefix “hypo-” meaning “under” in front of oxygen.'
Learn more about it here: ow.ly/lA4w50LeQag

Just a Florida Bay Sunset – 1999
usgs.gov/media/images/f…
#sunset #florida

#ShakeOut is THIS Thursday, October 20! Stay tuned for more updates and visit our website (in bio) for more details! Everyone, everywhere is encouraged to practice a Drop, Cover, and Hold On earthquake drill for one minute. Register at ShakeOut.org/register!