Public Bulletin in Detail

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Magnitude
Origin Time : 2012-04-11 08:38:00 UTC
Location : 2.33N - 93.04E (Off West Coast of Northern Sumatra)
Depth : 10 Km
Bulletin : 2 (POTENTIAL TSUNAMI THREAT IN THE INDIAN OCEAN)



RTSP-InaTEWS-20120411-0903-002
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TSUNAMI BULLETIN NUMBER 2 (TYPE-II)
REGIONAL TSUNAMI SERVICE PROVIDER - RTSP INDONESIA (InaTEWS-BMKG)
issued at 0903 UTC, Wednesday, 11 April 2012
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... POTENTIAL TSUNAMI THREAT IN THE INDIAN OCEAN ...

1. EARTHQUAKE INFORMATION (preliminary)
RTSP INDONESIA has detected an earthquake with the following details:
information:

   Magnitude  : 8.3 Mwp
   Depth      : 10km
   Date       : 11 Apr 2012
   Origin Time: 08:38:00 UTC
   Latitude   : 2.33N
   Longitude  : 93.04E
   Location   : Off West Coast of Northern Sumatra

2. EVALUATION
Earthquakes of this size are capable of generating tsunamis. However, so far
there is no confirmation about the triggering of a tsunami.

An investigation is under way to determine if a tsunami has been triggered.
This RTSP will monitor sea level gauges and report if any tsunami wave activity
has occurred.


3. ADVICE
This bulletin is being issued as advice. Only national/state/local authorities
and disaster management officers have the authority to make decisions regarding
the official threat and warning status in their coastal areas and any action to
be taken in response.

4. UPDATES
Additional bulletins will be issued by RTSP INDONESIA for this event as more
information becomes available.

Other RTSPs may issue additional information at:
RTSP AUSTRALIA:  http://reg.bom.gov.au/tsunami/rtsp/
RTSP INDIA:      http://www.incois.gov.in/Incois/tsunami/eqevents.jsp

In case of conflicting information from RTSPs or the IAS (PTWC, JMA), the more
conservative information should be used for safety.

5. CONTACT INFORMATION
METEOROLOGICAL CLIMATOLOGICAL AND GEOPHYSICAL AGENCY (BMKG)
InaTEWS - Indonesian Tsunami Early Warning System
Address: Jl. Angkasa I no.2 Kemayoran, Jakarta, Indonesia, 10720
Tel.: +62 (21) 4246321/6546316
Fax: +62 (21) 6546316/4246703
P.O. Box 3540 Jakarta
Website:  http://www.bmkg.go.id
          http://inatews.bmkg.go.id
E-Mail:   inartsp@bmkg.go.id
          monitrtwp@bmkg.go.id

END OF BULLETIN
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