Table 2.
Validation sources for the proposed framework. Downtimes estimated with the proposed framework (Estimated downtime) for the three natural hazard events considered, along with the downtimes reported by the various validation sources described in Methods.
Region and Event | Source | Downtime Length |
---|---|---|
Kathmandu, Nepal | Estimated downtime | 48 days |
Gorkha Earthquake | Business surveys, from12 | 41 days |
Kathmandu Post Disaster Needs Assessment41 | 37 days | |
Mobile phone data, from25 | 56 days | |
Facebook posts text analysis (n = 299) | 51 days | |
San Juan, Puerto Rico | Estimated downtime | 118 days |
Hurricane Maria | Satellite imagery, from11,37 | 134 days |
Puerto Rico Tourism Company | 97 days | |
U.S. Energy Information Administration | 128 days | |
Facebook posts text analysis (n = 755) | 71 days | |
Juchitan de Zaragoza, Mexico | Estimated downtime | 52 days |
Chiapas Earthquake | Facebook surveys (n = 16) | 63 days |
Facebook posts text analysis (n = 19) | 55 days |
“The earthquakes and series of continuing aftershocks led to the complete closure of schools and colleges for 37 days” (https://www.nepalhousingreconstruction.org/sites/nuh/files/2017-03/PDNA%20Volume%20A%20Final.pdf).