Reminder: Late-breaking AGU session on the 2021 South Sandwich Islands earthquake sequence

Jonathan Weiss jonathan.weiss at uni-potsdam.de
Fri Sep 24 16:17:53 UTC 2021


Dear Colleagues,

We would like to draw your attention to this late-breaking session at 
the AGU Fall Meeting 2021. The submission deadline is 29 September 2021 
23:59 EDT/03:59 +1 GMT. Authors may submit to this session even if they 
have already submitted the maximum number of first-author abstracts 
allowed to other sessions.

-- 

*The August 2021 South Sandwich Islands earthquake sequence: What 
happened, regional tectonic context, and potential for South Atlantic 
hazards *

On August 12, 2021 a complex earthquake sequence occurred beneath the 
South Sandwich Islands along the Scotia Arc. Magnitude estimates for the 
two (or more?) possibly slow ruptures are still under debate, though 
most estimates suggest that at least one event in this doublet was a 
great earthquake (M8+). Additionally, this sequence generated a 
far-reaching tsunami, highlighting a clear need for better understanding 
of seismic potential and improved geohazard monitoring in the southern 
oceans.

In this late-breaking session we welcome contributions that characterize 
the complex main events and associated aftershocks, discuss the 
observations and forecasts of the subsequent tsunami from both 
operational and post-event perspectives, address the regional tectonics 
of the Scotia Plate, paleo- and historical seismicity, and potential for 
future tsunami hazards along the Atlantic coasts of South America, 
Africa, and Antarctica.

-- 

*Invited presentations:*
Lingling Ye, Southern University of Science and Technology (China)
Robert Smalley, University of Memphis

-- 

To submit an abstract, log in to your AGU User Portal 
(https://agu.confex.com/agu/fm21/gateway.cgi?), select "Late-breaking 
Sessions" from the left-hand menu, and choose "The August 2021 South 
Sandwich Islands earthquake sequence: What happened, regional tectonic 
context, and potential for South Atlantic hazards".

Thank you,

Erica Emry
Jonathan Weiss
Summer Ohlendorf
Matthew Herman

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