SRL: Forgotten Archives Reveal Impact of 1918 Puerto Rico Earthquake and Tsunami

Repair petitions filed in the wake of the 1918 Puerto Rico earthquake and tsunami, stored and forgotten in the San Juan archives for nearly 100 years, are giving scientists a house-by-house look at the damage wrought by the magnitude 7.3 event. In Seismological Research Letters, Roland LaForge and William McCann describe how they used the records to trace the impact of the earthquake.

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SSA, AGU Reaffirm Position Statement on the Comprehensive Nuclear-Test Ban Treaty

29 June 2017--Scientific research in Earth and space sciences advances our understanding of our world and contributes to strong global economies, security, and public health and safety. The American Geophysical Union (AGU) and Seismological Society of America (SSA) today announced a revision of their position statement, "The Capability to Monitor the Comprehensive Nuclear-Test-Ban Treaty (CTBT) Should be Expanded, Completed, and Sustained ."

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BSSA: New Evidence for Past Large Earthquakes in the Eastern Tennessee Seismic Zone

27 June 2017-- The Eastern Tennessee Seismic Zone (ETSZ), a zone of small earthquakes stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of magnitude 6 or greater within the last 25,000 years, according to a study published in the Bulletin of the Seismological Society of America.The ETSZ is the second-most active natural seismic zone in the central and eastern United States.

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Call for Papers: SRL Focus Section on Non-explosive Active Source Monitoring and Imaging

30 May 2017 – Seismological Research Letters (SRL) announces a Focus Section on “Non-explosive active source monitoring and imaging.” This SRL section will focus on new developments of non-explosive active sources, data processing, subsurface imaging and monitoring with non-explosive active sources, and their contribution to the advancement in earthquake, tectonic/volcanic, and environmental sciences as well as their social impacts.

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SSA Announces 2017 Award Winners


24 May 2016 – SSA is pleased to announce the recipients of several of the Society's awards for 2017. The winners of the Harry Fielding Reid Medal, the Charles F. Richer Early Career Award, the Frank Press Public Service Award, and the Distinguished Service to SSA Award are among the highest honors conferred by the Society.

Congratulations to Reid Medal recipient George Plafker; Richter recipient Annemarie Baltay; Press Award recipient Lori Dengler; and Distinguished Service recipient Keith Knudsen.

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Call for Papers: BSSA Special Issue

Fifty Years after the 1967 Koyna Earthquake: Progress in our understanding of Reservoir Triggered Seismicity (RTS)  

Call for Papers: Deadline 1 December 2017 

4 May 2017--The Bulletin of the Seismological Society of America (BSSA) is soliciting papers for a Special Issue on Reservoir Triggered Seismicity. December 10, 2017 marks 50 years since the 1967 magnitude 6.3 Koyna earthquake in western India, recognized as the world’s largest Reservoir Triggered Seismic (RTS) event.

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Latest SSA Journals

July/August SRL Now Available

27 June 2017 – The complete July/August 2017 issue of Seismological Research Letters, Volume 88, Number 4, is now available online at the GeoScienceWorld website. This issue includes a Focus Section on the 3 September 2016 Pawnee, Oklahoma, Earthquake featuring 10 original research papers, and:

Cover of SRL 88:4.
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[SRL Cover Picture]

On the Cover…
The 3 September 2016 Mw 5.8 Pawnee earthquake, widely felt throughout Oklahoma and neighboring states, may be the largest injection-induced earthquake recorded to date. The cover figure depicts the slip distribution of the earthquake as derived from Grandin et al. (this issue), one of 10 original research papers presented here in an SRL focus section about the earthquake. The focus section provides a complete view of the stress evolution leading to the mainshock inferred from foreshock activities and coupled poro-elastic modeling; coseismic stress changes and deformations from both seismological and geodetic observations; dynamic hydrological responses at far-field; and liquefaction observations from geoelectrical and surface mapping.

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Back Cover Photo from SRL 88:4.
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[SRL Back Cover Picture]

On the Back Cover…
The bottle shown here emerged shortly after the 18 October 1989 magnitude 7.1 Loma Prieta earthquake as earthwork was being done to repair liquefaction damage in San Francisco’s Marina District. Research reported by Hinzen et al. (this issue) indicates that it is an 8-ounce soda bottle from the Charles Belding Company, and several signs indicate that the bottle pre-dates the 1906 San Francisco earthquake. The location where the bottle was found suggests that it was among rubble from the 1906 earthquake used as artificial fill in the area before the 1914 Panama-Pacific International Exposition. This bottle probably survived two earthquakes 83 years apart.

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SSA members should log in to the members area and follow the link from there to SRL Online at GeoScienceWorld to access full text or PDFs of all articles from the issue (log in with your SSA username and password required). Institutional subscribers can access the issue here. The print edition of this issue is scheduled to mail on 3 July.

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June Issue of BSSA Available


30 May 2017 – The complete June 2017 issue of the Bulletin of the Seismological Society of America (BSSA vol. 107, no. 3) is now available online to SSA members and institutional subscribers at GeoScienceWorld and BSSA Online. SSA members should log in to the members area and follow the link from there to BSSA Online at GeoScienceWorld to access full text or PDFs of all articles from the issue (log in with your SSA username and password required). Institutional BSSA subscribers can access the issue here; Institutional GeoScienceWorld subscribers can access it here. The print edition of this issue is scheduled to mail on 8 June.