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Weak mag. 2.7 earthquake - 70 km northeast of Fort-de-France, Martinique, on Wednesday, Sep 28, 2022 at 5:21 am (GMT -4) -

Weak magnitude 2.7 earthquake at 17 km depth

28 Sep 16:49 UTC: First to report: RENASS after 7 hours.
28 Sep 21:21: Magnitude recalculated from 0.1 to 2.3. Hypocenter depth recalculated from 0.0 to 17.0 km (from 0 to 10.6 mi). Epicenter location corrected by 57 km (35 mi) towards NE.
28 Sep 21:35: Magnitude recalculated from 2.3 to 2.7.

Earthquake details

Date & time	Sep 28, 2022 09:21:55 UTC -
Local time at epicenter	Wednesday, Sep 28, 2022 at 5:21 am (GMT -4)
Status	Confirmed
Magnitude	2.7
Depth	17.0 km
Epicenter latitude / longitude	15.13527°N / 60.7316°W (North Atlantic Ocean, Martinique)
Antipode	15.135°S / 119.268°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	RENASS (Réseau National de Surveillance Sismique (RéNaSS))
Nearest volcano	Pelée (59 km / 37 mi)
Nearby towns and cities	48 km (30 mi) NE of Sainte-Marie (pop: 20,400) \| Show on map \| Quakes nearby 51 km (32 mi) NNE of La Trinite (La Trinité) (pop: 15,000) \| Show on map \| Quakes nearby 56 km (35 mi) NNE of Robert (pop: 23,800) \| Show on map \| Quakes nearby 61 km (38 mi) NNE of Le François (pop: 19,700) \| Show on map \| Quakes nearby 61 km (38 mi) NNE of Saint-Joseph (pop: 17,000) \| Show on map \| Quakes nearby 65 km (40 mi) NNE of Le Lamentin (pop: 40,600) \| Show on map \| Quakes nearby 70 km (43 mi) NNE of Fort-de-France (pop: 90,000) \| Show on map \| Quakes nearby 73 km (45 mi) ESE of Roseau (Dominica) (pop: 16,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	7.1 x 10⁸ joules (197 kilowatt hours, equivalent to 0.169 tons of TNT) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
2.7	17 km	Martinique: Near Fort-de-France	RENASS

Most recent quakes Top 20 past 24 hrs

Seismograms

Seismic station: Station Meteo Caravelle - Martinique (ILAM/WI network) | Distance from quake: 43 km / 27 mi | Show on map | Station Info

Seismic station Station Meteo Caravelle - Martinique: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Station Meteo Caravelle - Martinique: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Station Meteo Caravelle - Martinique: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Morne la Rosette, Martinique, France (FDFM/G network) | Distance from quake: 64 km / 40 mi | Show on map | Station Info

Seismic station Morne la Rosette, Martinique, France: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Morne la Rosette, Martinique, France: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Morne la Rosette, Martinique, France: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Morne Mazeau - Deshaies, Guadeloupe (DHS/WI network) | Distance from quake: 169 km / 105 mi | Show on map | Station Info

Seismic station Morne Mazeau - Deshaies, Guadeloupe: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Morne Mazeau - Deshaies, Guadeloupe: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Morne Mazeau - Deshaies, Guadeloupe: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Olveston, Montserrat (OLV1/MC network) | Distance from quake: 241 km / 149 mi | Show on map | Station Info

Seismic station Olveston, Montserrat: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Olveston, Montserrat: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Olveston, Montserrat: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Grenville, Grenada (GRGR/CU network) | Distance from quake: 348 km / 217 mi | Show on map | Station Info

Seismic station Grenville, Grenada: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Grenville, Grenada: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Grenville, Grenada: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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