世界银行-全球灾后损失评估(GRADE)报告:阿富汗赫拉特6.3级地震序列,2023年10月(英)-39页._4mb
报告摘要
Mw 6.3 Herat Earthquake Sequence in Afghanistan, October 2023 - GRADE Report Summary
1. Event and Impact Overview
- Earthquake Sequence: A series of four Mw 6.3 earthquakes occurred between October 7 and 15, 2023, centered west-north of Herat City.
- Affected Areas: 11 districts in Herat Province (containing over 1.7 million people) experienced significant damage.
- Casualties: A total of 1,482 fatalities and 2,100 injuries reported as of October 20, 2023.
- Population Affected: Approximately 154,000 individuals (including 114,000 needing humanitarian aid) were severely impacted.
- Social Vulnerability: High vulnerability observed due to predominantly rural populations (69%), reliance on agriculture, and widespread use of non-resilient housing (90% using paksha construction).
2. Economic Losses
- Total Estimated Damage: US$314 million (approx. 2.2% of 2021 GDP), covering rebuilding costs for residential, non-residential buildings, and infrastructure.
- Housing sector: US$125 million (40% of total).
- Non-residential structures: US$64.4 million.
- Infrastructure and agriculture: US$73.6 million.
- Build Back Better: Additional costs of US$180 million (2.5x replacement value) may be needed for rebuilding better.
3. Social and Contextual Vulnerabilities
- Gender Disparities: Women (58% of fatalities) and elderly more vulnerable due to occupation patterns and restricted mobility.
- Rural-Urban Divide: Rural areas (69% of province) face heightened risk due to poorer infrastructure and economic dependencies.
- Post-Conflict Challenges: An ongoing conflict precipitates constrained aid and governance issues.
4. Conclusions
- Event Summary: The earthquakes represented a rare event with high human and economic impact in an underprepared region.
- Economic Damage: Direct damage costs are estimated at approximately US$314 million, with significant variation by district.
- Build Back Better Implications: Enhanced resilience measures will require substantial investment beyond damage repair.
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