Presentation is loading. Please wait.

Presentation is loading. Please wait.

Pelatihan : Techniques in Active Tectonic Study Juni 20-Juli 2, 2013 Instruktur: Prof. J Ramon Arrowsmith (JRA) Dari Arizona State University (ASU) - US.

Similar presentations


Presentation on theme: "Pelatihan : Techniques in Active Tectonic Study Juni 20-Juli 2, 2013 Instruktur: Prof. J Ramon Arrowsmith (JRA) Dari Arizona State University (ASU) - US."— Presentation transcript:

1 Pelatihan : Techniques in Active Tectonic Study Juni 20-Juli 2, 2013 Instruktur: Prof. J Ramon Arrowsmith (JRA) Dari Arizona State University (ASU) - US Tempat Pelaksanaan: Ruang Pangea, Laboratorium Gempabumi (LabEarth) – Puslit Geoteknologi LIPI dan Kuliah lapangan akan dilakukan disekitar Sesar Lembang, Jawa Barat. * Lebih jelas baca TOR/KAK dan daftar acara

2 Jordan, et al., 2011; http://www.annalsofgeophysics.eu/index.php/annals/article/view/5350/5371 L'Aquila earthquake and verdict

3 Accumulated links Operational Earthquake Forecasting – State of Knowledge and Guidelines for Utilization - ICEF report http://www.annalsofgeophysics.eu/index.php/annals/article/view/5350/5371 http://www.annalsofgeophysics.eu/index.php/annals/article/view/5350/5371 News reports: http://www.aljazeera.com/news/europe/2012/10/20121022151851442575.html http://www.livescience.com/24173-laquila-earthquake-manslaughter-verdict-condemned.html Tom Jordan gave a very good interview on NPR: http://www.npr.org/2012/10/23/163499530/italian-seismologists- convicted-of-manslaughterhttp://www.npr.org/2012/10/23/163499530/italian-seismologists- convicted-of-manslaughter Time Magazine: http://world.time.com/2012/10/24/the-aquila-earthquake-verdict-where-the-guilt-may-really-lie/http://world.time.com/2012/10/24/the-aquila-earthquake-verdict-where-the-guilt-may-really-lie/ Scientific journal and blog commentary: Nature: http://www.nature.com/news/2011/110914/full/477264a.htmlhttp://www.nature.com/news/2011/110914/full/477264a.html Trembling Earth blog: http://tremblingearth.wordpress.com/2012/10/23/conviction-of-italian-seismologists-a- nuanced-warning/http://tremblingearth.wordpress.com/2012/10/23/conviction-of-italian-seismologists-a- nuanced-warning/ Highly Allochthonous blog: http://all-geo.org/highlyallochthonous/2009/04/foreshocks-and-aftershocks-of-the- italian-earthquake/http://all-geo.org/highlyallochthonous/2009/04/foreshocks-and-aftershocks-of-the- italian-earthquake/ Statements: Joint statement from the British Royal Society and National Academy of Sciences: http://www.nasonline.org/news- and-multimedia/news/2012_10_25_Joint_Statement_NAS-RS_Italian_Earthquake_Scientists.htmlhttp://www.nasonline.org/news- and-multimedia/news/2012_10_25_Joint_Statement_NAS-RS_Italian_Earthquake_Scientists.html AAAS had issued a statement earlier in the trial - and they may be considering an update: http://www.aaas.org/news/releases/2010/media/0630italy_letter.pdf http://www.aaas.org/news/releases/2010/media/0630italy_letter.pdf AGU, GSA and EGU have released statements: http://www.agu.org/news/press/pr_archives/2012/2012-46.shtml http://www.geosociety.org/news/pr/12-76.htm http://www.egu.eu/inside-egu/divisions-and-present-officers/division-seismology/home.html

4 Some papers and reports Chiaraluce, et al. The anatomy of the 2009 L’Aquila normal fault system… JGR, 2011 http://www.agu.org/journals/jb/jb1112/2011JB 008352/2011JB008352.pdf EERI report on the earthquake: https://www.eeri.org/site/images/lfe/pdf/laquil a-eq-report.pdf https://www.eeri.org/site/images/lfe/pdf/laquil a-eq-report.pdf …there are many more

5 The seismicity Chiaraluce, et al. The anatomy of the 2009 L’Aquila normal fault system… JGR, 2011

6 Felt reports of L’Aquila main shock http://www.haisentitoilterremoto.it/repository /2206496920/index.html

7 http://all-geo.org/highlyallochthonous/2009/04/foreshocks-and-aftershocks-of-the-italian-earthquake/ Seismicity sequence

8 Chiaraluce, et al. The anatomy of the 2009 L’Aquila normal fault system… JGR, 2011

9

10 Spatial and temporal evolution of the foreshock sequence

11 Chiaraluce, et al. The anatomy of the 2009 L’Aquila normal fault system… JGR, 2011 Serial cross sections through the seismicity show activation of mostly west dipping Appenine/Abruzzo faults

12 probabilistic seismic hazard map for Italy: ground acceleration with a 10% probability of exceedance in 50 years Time independent earthquake forecast for Italy based on instrumental and historic seismicity and paleoseismology. Jordan, et al., 2011; http://www.annalsofgeophysics. eu/index.php/annals/article/vie w/5350/5371

13 Lessons of L'Aquila for Operational Earthquake Forecasting Presented by Tom Jordan, Director of the Southern California Earthquake Center (SCEC) and the W.M. Keck Foundation Professor of Earth Sciences at USC http://www.seismosoc.org/italy/ OEF (10:20-11:50): -Continual updating of authoritative information about future occurrence of potentially damaging earthquakes -The officially sanctioned dissemination of this information to enhance earthquake preparedness in threatened communities Earthquake probabilities -Probabilities of large earthquakes (even in areas of high seismicity) are low <<1%/day -High gain-low probability situations (100-1000x)

14 Lessons of L'Aquila for Operational Earthquake Forecasting Presented by Tom Jordan, Director of the Southern California Earthquake Center (SCEC) and the W.M. Keck Foundation Professor of Earth Sciences at USC http://www.seismosoc.org/italy/ L’Aquila (12:40-14:20) -probability of a false alarm > failure to predict (100x) -seismic activity had increased probability of a large event by ~100x -Scientists enticed into addressing a simple yes-no question (“will we be hit by a large earthquake?”) -Reassuring statements widely interpreted to be an anti-alarm

15 Lessons of L'Aquila for Operational Earthquake Forecasting Presented by Tom Jordan, Director of the Southern California Earthquake Center (SCEC) and the W.M. Keck Foundation Professor of Earth Sciences at USC http://www.seismosoc.org/italy/ Recommendations (14:20-16:49) -Separate role of scientific advisors (objective information about natural hazards) from that of civil decision makers (weigh benefits of protective actions with costs of false alarms, other political considerations) -Use probabilistic rather than deterministic statements in characterizing short term changes in seismic hazards (e.g. meteorological community)

16 Membership: Dr. Terry Tullis, Chair Brown University Dr. Ramon Arrowsmith Arizona State University Dr. Nick Beeler USGS, Menlo Park, California Dr. David Jackson University of California, Los Angeles Dr. Bruce Shaw Columbia University Dr. William Ellsworth USGS, Menlo Park, California Dr. Evelyn Roeloffs USGS, Vancouver, Washington Dr. John Vidale University of Washington Dr. Andrew Michael USGS, Menlo Park, California Dr. Allan Rubin Princeton University Roland Burgmann University of California, Berkeley Dr. Bill Leith, Co-chair, ex officio Senior Science Advisor for Earthquake and Geologic Hazards and Coordinator, Earthquake Hazards Program USGS, Reston, Virginia Dr. Michael Blanpied, Executive Secretary Associate Coordinator, Earthquake Hazards Program USGS, Reston, Virginia Also, CEPEC: California Earthquake Prediction Evaluation Council

17 statement regarding California’s Immunity from Liability for Earthquake Predictions 955.1. The science of earthquake prediction is developing rapidly and, although still largely in a research stage, such predictions are now being initiated and are certain to continue into the future… It is the intent of this legislation to ensure that such actions are taken in the public interest by government agencies acting in a responsible manner without fear of consequent financial liabilities. -from John Parrish, California State Geologist

18 statement regarding California’s Immunity from Liability for Earthquake Predictions The state and its agencies and employees shall not be liable for any injury resulting from the issuance or non-issuance of a warning pursuant to this subdivision or for any acts or omissions in fact gathering, evaluation, or other activities leading up to the issuance or non-issuance of a warning. -from John Parrish, California State Geologist


Download ppt "Pelatihan : Techniques in Active Tectonic Study Juni 20-Juli 2, 2013 Instruktur: Prof. J Ramon Arrowsmith (JRA) Dari Arizona State University (ASU) - US."

Similar presentations


Ads by Google