1. Walter Arabasz Regional Coordinator Aug. 14, 2006 Scenario Earthquakes and Desirable ANSS System Performance

2. A Brainstorming Exercise Consider 3 (perhaps 4) types of moderate-to-large EQs Discuss desirable outcome in terms of time-critical info for public safety, information flow, data capture for EQ Engineering, EQ science, etc.

3. Scenario EQs 1.M 6.0–6.5 Helena, MT Boise, ID Estes Park, CO Santa Fe, NM 2.M 7.3 ±Reno, NV Salt Lake City, UT

4. Scenario EQs (cont’d) 3.M 7.3 ± Star Valley fault, WY-ID border Hurricane fault, UT-AZ border 4.Moderate-to-large EQ Yellowstone Park

5. Map 20