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# An Asteroid And Volcanic Activity: 1-2 Extinction Punch

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<!-- video src="https://cdn.jwplayer.com/manifests/ZzeYk5Rx.m3u8" -->
## Video: An Asteroid And Volcanic Activity: 1-2 Extinction Punch

[Watch (HLS stream): An Asteroid And Volcanic Activity: 1-2 Extinction Punch](https://cdn.jwplayer.com/manifests/ZzeYk5Rx.m3u8) (1:25)

![An Asteroid And Volcanic Activity: 1-2 Extinction Punch](https://cdn.jwplayer.com/v2/media/ZzeYk5Rx/poster.jpg?width=720)

_Published 2015-10-02. New evidence supports the theory that both an asteroid impact and volcanic activity triggered widespread extinctions in the Cretaceous period._


---

Jul 27, 2023 6:55 PM UTC

---

## More From This Series

[All Videos](https://time.com/video/)

[NASA's OSIRIS-REx Probe Punched an Asteroid in the Name of Science](/video/dP4RS0hd/)

### NASA's OSIRIS-REx Probe Punched an Asteroid in the Name of Science

[Study: Global Warming Hiatus Result Of Volcanic Activity](/video/Xn3wASQB/)

### Study: Global Warming Hiatus Result Of Volcanic Activity

[NASA_asteroid](/video/na1M4vgn/)

### NASA\_asteroid

---


## Transcript

It wasn't just a space rock. More evidence now supports the theory that Earth suffered not one but two simultaneous extinction events at the end of the Cretaceous Period. The asteroid impact linked the cretaceous extinction also accelerated volcanic activity in the region of India known as Deccan Traps. New research from a team at UC Berkley shows these two events took place one after the other, at least on a geological timescale. Scientists still disagree on which event caused more widespread extinction, but this new research makes it, Academic. One of the lead researchers said, it becomes somewhat artificial to distinguish between them as killing mechanisms, both phenomena were clearly at work at the same time.

Think of earth as a toothpaste tube, but the toothpaste is lava If you poke the tube, that is earth's crust with enough force, it's going to leak. If yo poke it with an asteroid, it's going to start leaking twice as fast as it was before. The researchers say the Deccan traps double their lava output after the impact on the other side of the world. That said, it took awhile. Initiation of this new regime occurred within about 50, 000 years of the impact Which is consistent with transient effects of impact- induced seismic energy. In other words, the planet's ecosystems had just started to get back on balance after the space rock landed on their heads, when the planet started spewing dangerous amounts of lava.

The Berkeley Research team has published its findings in the journal Science

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