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2007 November 29 19:00:19 UTC

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Earthquake Details

  • This event has been reviewed by a seismologist.
Location14.943°N, 61.244°W
Depth146.2 km (90.8 miles)
Distances40 km (25 miles) SSE of ROSEAU, Dominica
45 km (30 miles) NNW of FORT-DE-FRANCE, Martinique
110 km (70 miles) NNW of CASTRIES, St. Lucia
650 km (405 miles) SE of SAN JUAN, Puerto Rico
Location Uncertaintyhorizontal +/- 4.1 km (2.5 miles); depth +/- 6 km (3.7 miles)
ParametersNST=243, Nph=243, Dmin=268 km, Rmss=0.79 sec, Gp= 18°,
M-type=centroid moment magnitude (Mw), Version=U
Event IDus2007kha5
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Earthquake Summary

Small globe showing earthquakeSmall map showing earthquake

Earthquake Summary Poster

  • The following is a release by the United States Geological Survey, National Earthquake Information Center: An earthquake occurred about 40 km (25 miles) NNW of FORT-DE-FRANCE, Martinique at 12:00 PM MST, Nov 29, 2007 (3:00 PM AST in Martinique). The magnitude and location may be revised when additional data and further analysis results are available.

  • Felt Reports

    One person killed, at least 100 injured, several buildings damaged or destroyed and power outages occurred on Martinique. Two people injured and several buildings destroyed on Barbados. Minor damage occurred on St. Lucia and St. Vincent. Power outages occurred on Guadeloupe. Felt (VII) at Fort-de- France and (VI) at Le Lamentin. Felt (VII) at Cap Estate, Castries, Soufriere; (VI) at Choc and Gros Islet, Saint Lucia. Also felt (VI) at Bolans, Antigua. Felt (V) on Barbados, Grenada, Guadeloupe, Saint Kitts, Saint Vincent, Trinidad; (IV) on Bequia, Dominica, Anguilla, British Virgin Islands, Nevis, Saint Martin, Tobago and throughout Puerto Rico; (III) on Saba, Sint Eustatius and at Savanna- la-Mar, Jamaica; (II) at Santo Domingo, Dominican Republic. Felt (V) at Georgetown and Linden, Guyana; (IV) at Lelydorp and (III) at Paramaribo, Suriname; (IV) at Kourou, French Guiana. Felt (IV) at Ciudad Bolivar, Ciudad Guayana and Maturin; (II) at Caracas and Puerto La Cruz, Venzuela. Felt at Armenia and Bogota, Columbia; at Macouria, Montjoly and Remire, French Guiana; at Overwacht, Suriname. Also felt throughout northern Guyana and Venezuela. Felt as far south as Boa Vista, Brazil.

    Tectonic Summary

    The Martinique earthquake 29 November 2007 occurred in the inclined seismic zone that dips to the west beneath the Lesser Antilles islands arc. In the region of Martinique, the South America plate moves to the west-northwest with respect to the Caribbean plate with a velocity of about 2 cm/yr. This relative motion is accommodated largely by the South America plate thrusting beneath the Caribbean plate. The earthquake occurred within the subducted South America plate, in response to stresses generated by plate's slow distortion, rather on the thrust fault that constitutes the interface the between the Caribbean and South America plates. The subducted South American plate is seismically active to depths of almost 200 km beneath the Lesser Antilles island arc near Martinique.

    Earthquakes, such as this one, that have focal-depths between 70 and 300 km are commonly termed "intermediate-depth" earthquakes. Intermediate-depth earthquakes typically cause less damage on the ground surface above their foci than is the case with similar magnitude shallow-focus earthquakes, but large intermediate-depth earthquakes may be damaging nonetheless and may be felt at great distance from their epicenters

    Earthquake Information for Caribbean

    Tsunami Information

    The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.

    General Tsunami Information