Credit: NASA/JPL/MSSS/The Murray Lab
Evidence of recent volcanic activity on Mars shows that eruptions could have taken place in the past 50,000 years, according to new study by researchers at the University of Arizona s Lunar and Planetary Laboratory and the Planetary Science Institute.
Most volcanism on the Red Planet occurred between 3 and 4 billion years ago, with smaller eruptions in isolated locations continuing perhaps as recently as 3 million years ago. But, until now, there was no evidence to indicate Mars could still be volcanically active.
Using data from satellites orbiting Mars, researchers discovered a previously unknown volcanic deposit. They detail their findings in the paper Evidence for geologically recent explosive volcanism in Elysium Planitia, Mars, published in the journal
Evidence of recent activity from volcanoes on Mars shows that eruptions could have taken place in the past 50,000 years, according to a new study.
Most volcanism on the red planet occurred between 3 and 4 billion years ago, with smaller eruptions in isolated locations continuing perhaps as recently as 3 million years ago. But, until now, there was no evidence to indicate Mars could still be volcanically active.
“The young age of this deposit absolutely raises the possibility that there could still be volcanic activity on Mars…”
Using data from satellites orbiting Mars, researchers discovered a previously unknown volcanic deposit.
“This may be the youngest volcanic deposit yet documented on Mars,” says lead author David Horvath, who did the research as a postdoctoral researcher at the University of Arizona and is now a research scientist at the Planetary Science Institute. “If we were to compress Mars’ geologic history into a single day, this would have occurred in t
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Strong earthquake jolts Assam
A strong earthquake rocked the northeastern Indian state of Assam on Wednesday morning at 7:51 am local time. The National Centre for Seismology (NCS), India’s agency responsible for monitoring earthquakes via a regional network of seismic stations, determined that the magnitude-6.4 event struck 4.8 miles (7.7 kilometers) northwest of the town of Dhekiajuli and 26.7 miles (43 kilometers) west of Tezpur, a city on the banks of the Brahmaputra River. The NCS reports that the quake ruptured at a depth of 10.5 miles (17 kilometers). The United States Geological Survey and European Mediterranean Seismological Centre both report that the event registered as a magnitude-6.0 earthquake. They calculated this magnitude using teleseismic data collected from stations located more than approximately 620 miles (1000 kilometers) from the quake.
A tally of pristine micrometeorites locked in polar ice gives the best-yet look at the origin and amount of extraterrestrial material reaching our planet