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Generated on 9/3/2010 2:02:09 PM
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On 2/27/2010 6:34:14 AM UTC an earthquake of magnitude 8.8 and depth 35km has struck an moderately populated area in the Bio-Bio Province (population: 1.7 million) in Chile. GDACS estimates the likelihood for need of international humanitarian intervention to be high (Red alert). It is likely that a tsunami was generated. The maximum tsunami wave height near the coast of Tres Esquinas will be 7.41m. Please refer to the GDACS tsunami report for more details. This earthquake can have a high humanitarian impact since the affected region is moderately populated and has high resilience for natural disasters. The earthquake 113km from the city of Concepci˘n. The nearest populated places are Pullay (19km), Quile (19km), Ramadillas (18km), Canelillos (15km), Trogualemo (12km), Molinos (11km), Las Quilas (16km), Chevelle (6km), Curanipe (8km), Las Lomas (14km), Infiernillo (17km). It is a hilly region with a maximum altitude of 796 m.
Caution: this information is based on risk models. Whether international humanitarian aid is needed must be decided by an
expert.
This report was automatically updated by a computer on: 2/27/2010 7:57:38 AM UTC (1 hour 23 minutes after the event) Downloads: Word report, PDF report Explanation of alert calculation: Show Tsunami wave height |
Earthquake epicentre: best estimate |
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Geological map
Characteristics for this report
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Previous reports for this earthquake.
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The population in the area of this earthquake if 9 people/km˛. (Data source).
The earthquake occurred at 1h local time. At this time a day, more people are at home and therefore more vulnerable to collapsing residential buildings. During traffic hours, people can be affected by collapsing bridges and other road infrastructure.
| Population Data | ||
|---|---|---|
| Radius (km) | Population | Density (people/km˛) |
| 1 | 0 | 0 |
| 2 | 0 | 0 |
| 5 | 5 | 0 |
| 10 | 2161 | 6 |
| 20 | 6755 | 5 |
| 50 | 75849 | 9 |
| 100 | 501139 | 15 |
| 200 | 2998404 | 23 |
The affected region has low level of urban area (0.1%) and a high level of cultivated area (26.3%). In urban areas more damage can be expected than in cultivated or natural areas. (Data source)
| Radius (km) | urban areas | cultivated areas | other |
|---|---|---|---|
| 200 | 0.14% | 26.36% | 73.49% |
| 100 | 0.08% | 32.9% | 67.01% |
| 50 | 0.03% | 23.72% | 76.24% |
| 10 | 0% | 2% | 97.99% |
Resilience is the capacity of the population to cope with a hazard. Since much of investments in earthquake preparedness and available funds for quick response is related to household income, the GDP per capita can be used as a rough indicator of resilience.
Chile has a GDP per capita of 5121 PPP$ (Parity Purchasing Power Dollar, about 1 Euro) and is therefore part of the high level income countries. Therefore, the earthquake happened in an area of high resilience.
Based on the combination of 9 indicators, ECHO attributes Chile a low vulnerability.
| ECHO Intervention Priority Ranking for Chile | |
|---|---|
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| Overall situation | |
| Human Development |
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| Human Poverty |
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| Exposure to Major Disasters | |
| Natural Disasters |
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| Conflicts |
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| Humanitarian effects of population movement | |
| Refugees |
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| Internally Displaced People |
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| Health and Nutrition | |
| Undernourishment |
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| Mortality rates |
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| Donor contributions | |
| Official Development assistance |
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Source ECHO Key: 
Bad -
Medium -
Good -
No data | |
Both conditions for survival and conditions for delivering aid strongly depend on the current weather and temperature. The following graphs show the current and forecast weather.
Current weather conditions and forecasts at earthquake location (lat: -35.8464 - long: -72.7189) (Data source).
More detailed observations at closest weather station (Quivolgo): WeatherByWeb - NOAA
Landslides: The maximum slope in the area of the earthquake is 25.82%
and the maximum altitude is 796 m. Since this is a low
slope, the risk of earthquake induced landslides is low.
Note, however, that the slope data is not reliable on a local scale, while
landslides depend very much on local topography, soil and meteorological
conditions. More...
Tsunami:
the JRC tsunami wave propagation models indicated a medium likelihood for a destructive tsunami.
However, this probability must be confirmed by oceanographic measurements or
observations.
See full report.
The following critical infrastructure is nearby and could be affected by the earthquake:
Nuclear power plants:
There are no nuclear facilities nearby the epicenter.
Hydrodams:
The following hydrodam installations are near the epicenter: [None]
The distance to nuclear installations is evaluated based on a 1999 UN dataset containing the location of nuclear plants in the world. If plants are near and the earthquake magnitude is above 6.5, the alert is set to orange. Note that the location of plants is approximate with errors of up to 100km.
The nearest civilian airport (Quivolgo) is at 67km from the epicenter. Other airports are: Los Angeles (175km), La Playa (158km), Siberia (159km), Carriel Sur International (108km), General Bernardo O Higgins (103km), Linares (106km), Panguilemo (114km), Quivolgo (67km)
Ports nearby are: Puerto Yana (188km), Lota (145km), Coronel (137km), San Vicente (105km), Lirquen (98km), Talca (100km), Talcahuano (99km), Tome (89km), Constitucion (66km)
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
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Information on this website is collected from scientific
and media sources in participation with European Commission Joint Research Centre,
UNOSAT and OCHA ReliefWeb.
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Population
Density near epicenter (people/km2). Image area: 6x4 decimal
degrees (approx. 650x450km2).
previous estimates: 
2/27/2010 6:34:14 AM (UTC, Universal Standard Time)
