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Strong Earthquake Strikes Vanuatu

Posted by feww on January 29, 2010

Strong Earthquake Measuring Up to M6.3 Struck Vanuatu

The quake struck about 65 km (40 miles) NNE of Isangel, Tanna, Vanuatu, at a depth of about 85 km (52.8 miles) on Friday, January 29, 2010 at 09:20 UTC.

The mainshock  was preceded by a foreshock measuring up to 5.4Mw which occurred about an hour earlier.

There was no tsunami generated by the quakes, and as of posting no damage or casualties report was made.

Traitor’s Head and Yasur Volcanoes

Today’s main event occurred near Erromango Basin about 45 km SE of Traitor’s Head volcano and some 56 Km NNE of Yasur volcano and may well prove significant in any forthcoming activity at the two volcanoes.

Earthquake Details

  • Magnitude as reported by USGS: 6.0 [Max EQ magnitude estimated by FEWW: 6.3 Mw]
  • Date-Time
    • Friday, January 29, 2010 at 09:20:04 UTC
    • Friday, January 29, 2010 at 08:20:04 PM at epicenter
  • Location: 19.039°S, 169.540°E
  • Depth: 85 km (52.8 miles)
  • Region VANUATU
  • Distances:
    • 65 km (40 miles) NNE of Isangel, Tanna, Vanuatu
    • 195 km (120 miles) SE of PORT-VILA, Efate, Vanuatu
    • 325 km (200 miles) NNE of Tadine, Loyalty Islands, New Caledonia
    • 1935 km (1200 miles) ENE of BRISBANE, Queensland, Australia
  • Location Uncertainty:  horizontal +/- 8.3 km (5.2 miles); depth +/- 6.7 km (4.2 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2010sbaw


Map of Vanuatu. Credit: M.Minderhoud. Click image to enlarge.


EQ Location Map. Source: USGS/EHP. Enhanced by FEWW. Click image to enlarge.


EQ Location Map. Source: USGS/EHP. Edited and Enhanced by FEWW. Click image to enlarge.

Seismic Hazard Map


Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green. Source: USGS/EHP.Click image to enlarge.

Historic Seismicity


Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green. Source: USGS/EHP. Click image to enlarge.

Related Links:

One Response to “Strong Earthquake Strikes Vanuatu”

  1. feww said

    GFZ Potsdam – Earthquake Bulletin
    Region: Vanuatu Islands
    Time: 2010-04-08 14:57:59.6 UTC
    Magnitude: 5.2
    Epicenter: 168.16°E 18.88°S
    Depth: 10 km
    Status: automatic
    ================================================
    European-Mediterranean Seismological Centre
    Magnitude: mb 5.2
    Region: VANUATU
    Date time: 2010-04-08 at 14:58:04.7 UTC
    Location: 18.06S ; 168.16E
    Depth: 139 km
    Distances:
    + 1085 km W Suva (pop 199,455 ; local time 02:58 2010-04-09)
    + 39 km SW Vila (pop 35,901 ; local time 01:58 2010-04-09)

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