ЛЕКЦИИ

Пояснение

Содержание Catalogs of Earthquakes: Record of seismicity on global, regional, and local scales Outline What are earthquakes Recording earthquakes Measuring size of an earthquake Magnitude scales Seismic Moment, MO Magnitude scale MW Gutenberg-Richter relation Global Number of Earthquakes vs. Time Where earthquakes occur Average annual number of magnitude 4.0 or greater earthquakes at a 1°ґ1° cell (normalized to its area on equator) How to get information on earthquakes The US GS/NEIC Global Hypocenter Data Base Catalog Errors What can we learn from a catalog of earthquakes Are earthquakes predictable? Real-time monitoring ( http://www.mitp.ru or http://www.phys.ualberta.ca/mirrors/mitp ) 19/09/1985 Mexico Earthquake 20/10/1986 Kermadek Earthquake 23/05/1989 Macquarie Earthquake 08/08/1993 Guam Earthquake 09/06/1994 Bolivia Deep Earthquake 04/10/1994 Shikotan Earthquake 07/04/1995 Samoa Earthquake 03/12/1995 Iturup Earthquake 17/02/1996 New Guinea Earthquake 25/03/1998 Balleny Sea Earthquake 04/06/2000 South Sumatera Earthquake Seismic Roulette Seismic Roulette Worldwide performance of earthquake prediction algorithms M8 and M8-MSc: Magnitude 8.0 or more. Benioff strain release in 20 years before the great shocks Benioff strain release in 20 years before great shocks (Log-scale) Aftershock sequences of the great shocks Activity in 10 years before + 3 years after the great shocks Aftershock sequences of the great shocks (summary) Conclusions Some References