Natalia (Natasha) Ruppert Seismologist Alaska Earthquake Information Center Geophysical Institute, University of Alaska, Fairbanks 903 Koyukuk Drive, P.O.Box 757320 Fairbanks, AK 99775-7320, USA office 301K Elvey bld. tel.: (907)-474-7472 (office); fax: (907)-474-7290 e-mail: natasha at giseis.alaska.edu

Current projects:

• Compilation of the Alaska earthquake catalog, including first motion focal mechanisms and seismic moment tensors
• Real-time earthquake monitoring at AEIC using Antelope package from BRTT, Inc.
• Real-time moment tensor determination within Alaska regional network
  
• Processing and analysis of the aftershock sequence of the magnitude 7.9 Denali Fault earthquake of November 3, 2002
  

Past projects and interests:

• 1999 and 2001 Kodiak Island M_W 7 earthquakes
• Sequence of M_L 5+ earthquakes in 2000 in the Minto Flats seismic zone
• Two M 5 events of Feb. 6, 2002 in the Anchorage area
• Two M 4+ events near Talkeetna on July 13&14, 2002
• Denali fault M 4.7 event of July 5, 2002
• M5.2 Totschunda Fault Earthquake on April 29 2004
  
• M5.8 Earthquake south of Kodiak Island, April 9, 2005
• Seismological constraints on tectonics of interior Alaska: earthquake locations, source mechanisms and stress tensor inversion
• Segmentation of the subducted slab in southern and central Alaska
• Anomalous seismic phases in recordings of the Alaskan subduction zone earthquakes
• Joint Hypocenter Determination method and its application for relocation of Alaskan earthquake
• Seismic array data processing
• Stress distribution in the subducted slab in south-central Alaska

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   P.S. Name change in June 2005. Previous names: Ratchkovski(y), Ratchkovskaia.

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  AEIC

  GI

  UAF

  NEIC

  AVO

  Geol.&Geophys.Dept.

  HarvCMT

Last Modified: 04:23pm AKST, May 10, 2005