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Archive for the ‘Tsunami Evaluation’ Category

Powerful Quake Strikes Near Andaman Isls, India

Posted by feww on August 11, 2009

Magnitude 7.6 Quake Strikes Near Andaman Islands, India Region

us2009kdb2 andaman
Earthquake Location Map. Source: USGS

Earthquake Details

  • Magnitude: 7.6
  • Date-Time
    • Monday, August 10, 2009 at 19:55:39 UTC
    • Tuesday, August 11, 2009 at 01:55:39 AM at epicenter
  • Location: 14.013°N, 92.923°E
  • Depth: 33.1 km (20.6 miles)
  • Region: ANDAMAN ISLANDS, INDIA REGION
  • Distances:
    • 260 km (160 miles) N of Port Blair, Andaman Islands, India
    • 365 km (225 miles) SSW of Pathein (Bassein), Myanmar
    • 825 km (510 miles) W of BANGKOK, Thailand
    • 2295 km (1420 miles) SE of NEW DELHI, Delhi, India
  • Location Uncertainty:  horizontal +/- 9.8 km (6.1 miles); depth +/- 5.7 km (3.5 miles)
  • Parameters: NST= 64, Nph= 64, Dmin=833.8 km, Rmss=0.86 sec, Gp= 72°, M-type=(unknown type), Version=6
  • Source: USGS NEIC (WDCS-D)
  • Event ID: us2009kdb2

Seismic Hazard Map [USGS]

seishaz
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Historic Seismicity
hisseis
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

world quakes 7 days

Source: USGS

Tsunami Evaluation:

SEA LEVEL READINGS INDICATE THAT A SIGNIFICANT TSUNAMI WAS NOT
GENERATED. THEREFORE THE TSUNAMI WATCH ISSUED BY THIS CENTER
IS NOW CANCELED.

Related Links:

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