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Funded
in part by
NSF grant 0538333
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![](images/shortperiod.gif) |
Six short-period seismic stations have
been installed on Sumatra in order to better determine the locations
of aftershocks of the Dec 26, 2004 and Mar 28, 2005 great earthquakes
in the Sunda Trench. The sites are located as indicated in
following table and figure. Each site has an L4 1-Hz vertical seismometer
recorded by a Nanometerics Taurus 24-bit logger. The data
are recorded on site and are retrieved at regular intervals up
to 3 months apart. The instruments were installed starting May
20, 2005, co-located with GPS stations of the SuGAr array.
Link to
data |
Site names and locations
Code |
Latitude (degrees) |
Longitude (degrees) |
Site |
ABGS |
0.22082 |
99.38749 |
Air Bangis |
NGNG |
-1.7995 |
99.26829 |
NyangNyang |
PBAI |
-0.03164 |
98.52622 |
Pulau Bais |
PSKI |
-1.12473 |
100.35339 |
Pulau Sikuai |
SLBU |
-2.76634 |
100.00967 |
Silabu |
LHWA |
1.39688 |
97.17194 |
Lahewa, Nias |
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The following
people helped install this network.
Danny Hidayat, Penn State University
Danny Natawidjaja, LIPI/Caltech
Bambang Suwargadi, LIPI
Dudi Prayudi, LIPI
Imam Suprihanto, LIPI
John Galetzka, Caltech
Kerry Sieh, Caltech
Rob Clayton, Caltech
Rich Briggs, Caltech
Aron Meltzner, Caltech
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![](images/shortperiod/SLBUsm.jpg)
Silabu station with village people clustered around.
enlarge
image |
![](images/shortperiod/SilabuSm.jpg)
Silabu village with the station in the middle of the dirt area; blue-roofed
church at right.
enlarge
image |
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