Analisa Awal Penyebab Gempa 8,5 SR di Aceh

Ahli Geologi dari ITB DR Irwan Meilano mempunya analisis awal soal penyebab 
gempa 8,5 SR di Aceh. Mekanisme gempa tersebut sesar geser bukan sesar naik.

"Analisis awal mekanisme gempa tadi yaitu sesar geser dan bukan sesar naik 
(bukan mega thrust) sehingga potensi tsunami tidak terlalu besar," kata Irwan 
dalam keterangan tertulisnya, Rabu (11/4/2012).

Menurut Irwan, lokasi gempa berada di bagian luar daerah pertemuan Lempeng 
(Outer rise earthquake). "Jarak dari gempa 10 januari 2012 yaitu kurang dari 30 
Km," imbuhnya.

Salam ,

Iqbal Rahman 
Padang , 59 L 

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-----Original Message-----
From: "sjamsir_sjarif" <[email protected]>
Sender: [email protected]
Date: Wed, 11 Apr 2012 12:21:23 
To: <[email protected]>
Reply-To: [email protected]
Subject: Re: [R@ntau-Net] Peringatan Dini Tsunami,  Gampo 8.9SR Barat Aceh, 11
 Apr 2012,

Dengan beberapa gempa susulan yang cukup besar di Laut sebelah Barat Aceh dan 
Utara Lautan Hinda memang potensi tsunami ini perlu diamati.
-- MakNgah
Kita pantau Update berita:
Jakarta Globe:
http://www.thejakartaglobe.com/news/update-magnitude-88-aftershock-hits-sumatera-as-fears-of-a-large-tsunami-recede-in-indonesia/510730
GFS Potsdam:
http://geofon.gfz-potsdam.de/eqinfo/list.php
USGS:
http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/region/Australia.php


--- In [email protected], "sjamsir_sjarif" <hambociek@...> wrote:
>
> Berita Aceh Dari TribuneNews Jakarta:
> http://www.tribunnews.com/2012/04/11/warga-banda-aceh-belum-banyak-yang-kembali-ke-rumah
> --- In [email protected], "sjamsir_sjarif" <hambociek@> wrote:
> >
> > 
> > Tambahan berita:
> > http://news.yahoo.com/indian-ocean-tsunami-watch-issued-aceh-quake-092735280.html
> > 
> > --- In [email protected], "sjamsir_sjarif" <hambociek@> wrote:
> > >
> > > Iko sumber berita-berita sementara:
> > > http://worldnews.msnbc.msn.com/_news/2012/04/11/11136024-tsunami-alert-after-powerful-quake-hits-off-indonesia?lite
> > > 
> > > http://www.reuters.com/article/2012/04/11/us-indonesia-earthquake-idUSBRE83A0BB20120411
> > > - MakNgah
> > > Sjamsir Sjarif
> > > 
> > > --- In [email protected], "sjamsir_sjarif" <hambociek@> wrote:
> > > >
> > > > 
> > > > Iyo Hoyak Gampo Gadang Mah Epicenger di sebelah Barat Tsunami dulu.
> > > > -- MakNgah
> > > > Iko Sumber USGS:
> > > > http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/region/Australia.php
> > > > 
> > > > Magnitude 8.9 - OFF THE WEST COAST OF NORTHERN SUMATRA
> > > > 2012 April 11 08:38:30 UTC
> > > > 
> > > >     Details
> > > >     Maps
> > > >     Tsunami 
> > > > 
> > > > Earthquake Details
> > > > 
> > > >     This event has been reviewed by a seismologist.
> > > > 
> > > > Magnitude       8.9 (Preliminary magnitude — update expected within 15 
> > > > minutes)
> > > > Date-Time       
> > > > 
> > > >     Wednesday, April 11, 2012 at 08:38:30 UTC
> > > >     Wednesday, April 11, 2012 at 02:38:30 PM at epicenter 
> > > > 
> > > > Location        2.043°N, 92.518°E
> > > > Depth   33 km (20.5 miles) set by location program
> > > > Region  OFF THE WEST COAST OF NORTHERN SUMATRA
> > > > Distances       
> > > > 
> > > >     495 km (308 miles) SW (219°) from Banda Aceh, Sumatra, Indonesia
> > > >     1027 km (638 miles) W (263°) from KUALA LUMPUR, Malaysia
> > > > 
> > > > Location Uncertainty    Error estimate not available
> > > > Parameters      NST= 14, Nph=0, Dmin=0 km, Rmss=0 sec, Gp=198°,
> > > > M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), 
> > > > Version=B
> > > > Source  
> > > > 
> > > >     NOAA Pacific Tsunami Warning Center
> > > > 
> > > > Event ID        pt12102000
> > > > 
> > > >     Did you feel it? Report shaking and damage at your location. You 
> > > > can also view a map displaying accumulated data from your report and 
> > > > others.
> > > > 
> > > >     Preliminary Earthquake Report
> > > >     NOAA Pacific Tsunami Warning Center
> > > > 
> > > > GFZPotsdam:
> > > > http://maps.google.com/maps?f=q&q=2.25N,92.97E%20%28epicenter%29&ie=UTF8&t=p&z=5&om=1
> > > > 
> > > > BMKG belum dapat diakses.
> > > > 
> > > > --- In [email protected], Reni Sisri Yanti <resy_2000@> wrote:
> > > > >
> > > > > Peringatan Dini Tsunami di BENGKULU,LAMPUNG,NAD,SUMBAR,SUMUT, Gempa 
> > > > > Mag:8.9SR, 11-Apr-12 15:38:29WIB, 
> > > > > Lok:2.31LU,92.67BT,Kdlmn:10Km::BMKG@METRO_TV
> > > > >   
> > > > > Renny.Bintara
>


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