Thursday, September 17, 2015

RED tsunami alert (7.9M,depth:8.29km) in Chile at 9/16/2015 10:54:30 PM

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From: "GDACS" <gdacs-noreply@jrc.ec.europa.eu>
Date: Sep 16, 2015 7:25 PM
Subject: RED tsunami alert (7.9M,depth:8.29km) in Chile at 9/16/2015 10:54:30 PM
To: <gdacs-noreply@jrc.ec.europa.eu>
Cc:

Red Earthquake and Tsunami in Chile

Population Density near epicenter (people/km²). Image area: 6x4 decimal degrees (approx. 650x450km2).

Summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude 7.9M, Depth:8.29km
16 Sep 2015 22:54:30 UTC
140388 people within 100km

Whether international humanitarian aid is needed must be decided by an expert.

See the GDACS website for live news coverage (including OCHA Situation Reports), the full earthquake report and tsunami report

For information on emergency response, please consult the GDACS Virtual OSOCC.

Tsunami Event

It is likely that a tsunami was generated. Based on precalculated scenarios, the maximum tsunami wave height near the coast of Chile will be 3.58250044392146m.

{tsunamilocationsxml}

A detailed tsunami wave height calculation is ongoing and should be available 20 minutes after this report was created. Results can be slightly different than the precalculated scenario. The outcome can be checked here: GDACS tsunami report

Earthquake Event

Characteristics

Magnitude: 7.9 M
Depth: 8.29 km (very shallow)
Area affected by light damage (estimated radius): 135 km (MMI IV)
Source: NEIC
Location (latitude/longitude): -31.5771, -71.6516
Time (UTC): 16 Sep 2015 22:54:30
Time (ECT): 17 Sep 2015 00:54:30

Earthquake Impact Details

The earthquake happened off shore, near Chile, Region of Coquimbo (population 520,420). The distance to the nearest coast is 8km. The nearest places are Huentelauquï¿½n (11km), and Valparaï¿½so (260000 people , 160km).

The following vulnerable infrastructure is nearby and may be affected. The nearest hydrodams are Cogoti (82km). The nearest protected areas are Caleta ï¿½aguï¿½ (32km), Santuario de la Naturaleza Laguna Conchalï¿½ (36km), and Las Chinchillas (46km).

For logistics, the following access points are nearby. The nearest airports are Auco (51km). The nearest ports are Los Vilos (39km).

The maximum altitude nearby is 4100m. The area has steep slopes (up to 50 percent) and may be susceptible to landslides.

The approximate distance within which light damage may occur is 134km (equivalent to Modified Mercalli Index IV).

The population near the earthquake is shown in the table below.


Radius	Population	Density (people/km2)	Affected with damage
200 km	2.2 million people	17	Likely
100 km	140000 people	4	Very likely
75 km	100000 people	5	Very likely
50 km	52000 people	6	Very likely
20 km	3200 people	2	Very likely
10 km	<1000 people	0	Very likely

Disclaimer

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. Please refer to the GDACS website for subscribing or unsubscribing from the earthquake alert email or SMS service.

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