---

Activity

2017

• POSSIBLE LINKAGE BETWEEN SUPERNOVAE, INCREASED TERRESTRIAL LIGHTNING, AND WILDFIRE ACTIVITY IN THE LATE MIOCENE AND EARLY PLEISTOCENE
  T9 Miocene–Pliocene Terrestrial Ecosystem Response to the Climate System I
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Room 609

---

2016

• TERRESTRIAL EFFECTS OF NEARBY SUPERNOVAE IN THE EARLY PLEISTOCENE
  118 Paleontology 1: Diversity, Extinction, and Origination
  Monday, 26 September 2016

  1:30 PM - 5:30 PM

  Mile High Ballroom 4C

---

2013

• ASTROPHYSICAL EVENTS AS EPISODIC THREATS TO LIFE ON EARTH
  T91 The Pulse of the Earth: Episodic and Periodic Events on Timescales of ³10 million Years
  Sunday, 27 October 2013

  1:00 PM - 5:00 PM

  Room 203

---

2011

• ASTROPHYSICS AND EXTINCTIONS: NEW RATE ESTIMATES FOR POTENTIALLY LETHAL IONIZING RADIATION EVENTS
  T14 Multidisciplinary Approaches to Studying the Causes and Consequences of Mass Extinction: Geochemistry, Paleoecology, and Paleoenvironments I
  Sunday, 9 October 2011

  8:00 AM - 12:00 PM

  Room 200H-J

---

2009

• LATE ORDOVICIAN GEOGRAPHIC PATTERNS OF EXTINCTION COMPARED WITH SIMULATIONS OF ASTROPHYSICAL IONIZING RADIATION DAMAGE
  T159 Volcanism, Impacts, Mass Extinctions, and Global Environmental Change III
  Tuesday, 20 October 2009

  8:00 AM - 12:00 PM

  Portland Ballroom 253