8.9 Magnitude Earthquake Hits The West Coast Of Northern SUMATRA

Earthquake

Magnitude 8.9 Earthquake Hits The West Coast Of Northern SUMATRA

Indonesia’s geophysical agency has registered an 8.9 M( bmkg.go.id )  > 8.7 M ( earthquake.usgs.gov )        magnitude earthquake in the Aceh region, off the coast of northern Sumatra. A tsunami warning has been issued, the US Geological Survey reports.

Tremors were felt in Singapore, Thailand, Malaysia and India. High-rise apartments and offices on Malaysia’s west coast shook for at least a minute. In Bangalore, India hundreds of office workers left their buildings, workers there said.

The U.S. Geological Survey said the powerful quake was centered 20 miles (33 kilometers) beneath the ocean floor around 308 miles (495 kilometers) from Aceh’s provincial capital.

The closest city to the quake’s epicenter is provincial capital Banda Aceh with a population of over 220,000, some 500 kilometers away.

Magnitude 8.7
Date-Time
  • Wednesday, April 11, 2012 at 08:38:38 UTC
  • Wednesday, April 11, 2012 at 02:38:38 PM at epicenter
Location 2.348°N, 93.073°E
Depth 33 km (20.5 miles)
Region OFF THE WEST COAST OF NORTHERN SUMATRA
Distances
  • 431 km (268 miles) SW (216°) from Banda Aceh, Sumatra, Indonesia
  • 962 km (598 miles) W (265°) from KUALA LUMPUR, Malaysia
Location Uncertainty horizontal +/- 14 km (8.7 miles); depth +/- 2.8 km (1.7 miles)
Parameters NST=243, Nph=243, Dmin=514.3 km, Rmss=1.67 sec, Gp= 36°,
M-type=regional moment magnitude (Mw), Version=8
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usc000905e
The Pacific Tsunami Warning Centre is monitoring the situation in the Indian Ocean.
TSUNAMI BULLETIN NUMBER 001

PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS                                        ISSUED AT 0845Z 11 APR 2012

THIS BULLETIN IS FOR ALL AREAS OF THE INDIAN OCEAN.                                 AN INDIAN-OCEAN-WIDE TSUNAMI WATCH IS IN EFFECT

A TSUNAMI WATCH IS IN EFFECT FOR

INDONESIA / INDIA / SRI LANKA / AUSTRALIA / MYANMAR / THAILAND / MALDIVES / UNITED KINGDOM / MALAYSIA / MAURITIUS / REUNION / SEYCHELLES / PAKISTAN / SOMALIA / OMAN / MADAGASCAR / IRAN / UAE / YEMEN / COMORES / BANGLADESH / TANZANIA / MOZAMBIQUE / KENYA / CROZET ISLANDS / KERGUELEN ISLANDS / SOUTH AFRICA / SINGAPORE

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME –  0839Z 11 APR 2012                                                                  COORDINATES –   2.0 NORTH   92.5 EAST                                                                  LOCATION    –  OFF W COAST OF NORTHERN SUMATRA                        MAGNITUDE   –  8.7

An official at Indonesia’s Meteorology and Geophysics Agency who goes by only one name, said a tsunami warning has been issued for Aceh, West Sumatra, North Sumatra, Lampung and Bengkulu. The tsunami is expected to reach Aceh at 4:31 p.m. local time.

Update:

The past 2 hours more 5+ M earthquakes recorded:

6.0 M  – North Indian Ocean

5.3 M  – Off The West Coast of Northern Sumatra

5.3. M – Off The West Coast of Northern Sumatra

5.1 M – Off The West Coast of Northern Sumatra

8.2 M – Off The West Coast of Northern Sumatra

More details to follow…

Source and author: earthquake.usgs.gov * ptwc.weather.gov Earthquake

 

2 responses to “8.9 Magnitude Earthquake Hits The West Coast Of Northern SUMATRA

  1. badbradisraddad

    pleasedo your research 8.2 AND 8.6 hit today in the same area and wow good thing this was two events and not one big ass mega quake, yea 12.0 and above this could have been and then all hell breaks loose. Know one knows why but maybe Nobody is on to something…

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