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 Subiectul mesajului: Cutremur in Bali
MesajScris: Joi Oct 13, 2011 9:22 pm 
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Membru din: Joi Sep 15, 2011 4:55 am
Mesaje: 580
Localitate: Darwin-Australia
Earthquake Response Genesis Date October 13, 2011 At Southwest Nusa Dua, Bali
Thursday, 13 October 2011 19:41 administrator
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The response to the earthquake in Southwest of Nusa Dua, Bali based on information obtained from BMKG, USGS, United States, as well as other data as follows:

1. The earthquake occurred on Thursday, October 13, 2011, at: 10:16:27 CDT. Based on information from BMKG epicenter located at coordinates 9.89 ° S and 114.53 ° East, with a magnitude 6.8 magnitude at a depth of 10 km, located 143 km Southwest of Nusa Dua, Bali. Based on information from the USGS earthquake center coordinates located at 9.378 ° S and 114.628 ° east, with a magnitude 6.1 MW at a depth of 35.1 km, is 100 Km Southwest of Denpasar. This earthquake was followed by aftershocks with coordinates 9.76 ° S and 114.53 ° East, with a magnitude 5.6 magnitude at a depth of 10 km, located 131 km Southwest of Nusa Dua, Bali

2. Geological conditions earthquake affected areas:

Epicenter was at sea.Area closest to the epicenter, especially on the south coast of Bali, Lombok and eastern Java. Most of the area composed of alluvium, and Quaternary volcanic sediments. In the area drawn up by alluvium and Quaternary sediments are terlapukkan expected earthquake shaking will be more robust because these rocks are dust, loose, yet compact and reinforcing effects of vibration, making it vulnerable to earthquake shocks.

3. Impact of earthquakes:

Based on information from the USGS earthquake felt with intensity IV-V in the area of ​​Kuta and Nusa Dua, Bali. Intensity IV MMI in Banyuwangi, Kedunghaji, Grajagan, and Sukamande, East Java. Based on information from Observation Post Mount Batur, Bali earthquake shock felt by the maximum amplitude of 38 mm, for 240 seconds. According to information from one of the people in Bali, Nusa Dua and Kuta Beach tourist could create panic and there are casualties numbered about 40 people injured as a result of this earthquake. From VIVA News, this earthquake caused severe damage to the Legal Aid Society building located on Jalan Bali Plawa No. 57 Denpasar. Information from Sec.com, there are a few damaged buildings, where buildings were falling tiles and plaster a cracked wall in Denpasar and Nusa two. The workers who are building one of the parliament building Banyuwangi could create panic, because the tiles were falling. Vibrations are strong enough Banyuwangi felt by the public for about a minute. Reportedly there is also a building collapsed due to shocks of this earthquake. In addition to the city of Mataram and the surrounding quake was also felt in Taliwang, West Sumbawa regency, resulting in some people jump out of the house.

4. Causes of earthquakes:

Based on the position of the source of an earthquake at a depth of 10 km (BMKG) and 35.1 (USGS) estimated these earthquakes associated with active faults that developed in the South Indian Ocean seabed island of Bali and Java.

5. Recommendation:

* Communities are encouraged to remain calm and follow directions as well as information from local government. Not moved by issues that are not responsible about the earthquake and tsunami

* Chance of earthquake aftershocks will be smaller than the main earthquake, but the community is expected to remain vigilant.

* This earthquake did not cause a tsunami, because even though the epicenter in the sea, but energy is not strong enough to generate dislocations seabed.


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