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Importance of socioeconomic factors in effects of disaster
| Characteristics and effects of earthquake | San Fernando, California, 1971 | Managua, Nicaragua, 1972 |
|---|---|---|
| Magnitude (Richter scale) | 6.6 | 5.6 |
| Duration of strong shaking (seconds) | 10 | 5-10 |
| Population of affected area | 7 000 000 | 420 000 |
| No of deaths | 60 | 4 000-6 000 |
| No of people injured | 2 540 | 20 000 |
| No of houses destroyed or unsafe | 915 | 50 000 |
Adapted from Seaman J. Epidemiology of natural disasters. Basel: Karger, 1984
