Teaches GLY 101 at UB every fall. Loves volcanoes and lava flows.

Joined July 2013
14 Photos and videos
Professor Gregg retweeted
Time flies when you’re exploring another planet! This week marks my one-year landiversary on Mars (Feb. 18) and I have several drives planned and more rocks to see. Meanwhile, my team back on Earth has various ways you can celebrate my first year at Mars: go.nasa.gov/3uQuURw
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Professor Gregg retweeted
15 Feb 2022
USGS mourns the passing of Waverly “Mr. Earthquake” Person, 95. A legendary government spokesperson on earthquakes, Person served 51 years in federal service as a geophysicist and seismologist. Visit History Makers for interviews of this iconic figure. ow.ly/WCcu50HVUGs
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Professor Gregg retweeted
11 Feb 2022
Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mission objectives. It continued to send data home until October 1972. solarsystem.nasa.gov/mission…
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Professor Gregg retweeted
As tectonic plates pull apart, what drives formation of rifts? shar.es/aW9EEy

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Professor Gregg retweeted
10 Feb 2022
New observations reveal Venus marked with continents, flat expanses, and ranging highlands. These features have never been seen before in the visible spectrum of light, a feat achieved only through a series of stealthy flybys of the planet’s nightside. inverse.com/science/venus-su…
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Professor Gregg retweeted
The Martian surface can be rocky, sharp, and unforgiving – so after nearly 10 years, my wheels have taken a beating. The good news is that this is not impacting my mission.
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Professor Gregg retweeted
Take a minute to view the Winter 2022 EPOCH arts-sciences.buffalo.edu/ge…

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Professor Gregg retweeted
Post-caldera volcanism reveals shallow priming of an intra-ocean arc andesitic caldera: Hunga volcano, Tonga, SW Pacific - ScienceDirect sciencedirect.com/science/ar…

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Professor Gregg retweeted
New paper out today! Low-cost instruments used to assess air quality in communities downwind from Masaya volcano, Nicaragua. Click the link below if you're interested, the article is open-access: doi.org/10.30909/vol.05.01.3… #volcano #AirQuality #Nicaragua
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Professor Gregg retweeted
3 Feb 2022
Scientists detect rejuvenated uplift near South Sister Volcano - Using satellite imagery and sophisticated GPS instruments, geophysicists have detected a subtle increase in the rate of uplift of the ground surface. ow.ly/OYx950HLA4Q #Oregon 📷 John Scurlock
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Professor Gregg retweeted
UB Geology starting the semester hands on and horns up.#UBGeology
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