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Mag. 2.9 quake - North Pacific Ocean, 75 km southwest of San Salvador, El Salvador, on Saturday, Sep 23, 2023 03:59 pm (GMT -6) -

Weak magnitude 2.9 earthquake at 31 km depth

23 Sep 22:07 UTC: First to report: INETER after 8 minutes.
23 Sep 22:14: Magnitude recalculated from 3.0 to 2.9. Hypocenter depth recalculated from 24.0 to 31.0 km (from 14.9 to 19.3 mi). Epicenter location corrected by 3.4 km (2.1 mi) towards N.

Earthquake details

Date & time	Sep 23, 2023 21:59:25 UTC -
Local time at epicenter	Saturday, Sep 23, 2023 03:59 pm (GMT -6)
Status	Confirmed
Magnitude	2.9
Depth	31.0 km
Epicenter latitude / longitude	13.214°N / 89.673°W North Pacific Ocean, El Salvador
Antipode	13.214°S / 90.327°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	INETER
Nearest volcano	Izalco (67 km / 42 mi)
Weather at epicenter at time of quake	Clear Sky 30.2°C (86 F), humidity: 69%, wind: 3 m/s (5 kts) from SW
Estimated seismic energy released	1.4 x 10⁹ joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) \| about seismic energy

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Nearby places

Distance	Place	Max. shaking intensity(*)	Region	Country
45 km (28 mi) NNW of epicenter	Acajutla (pop: 22,800)	I Not felt	Departamento de Sonsonate	El Salvador
49 km (30 mi) NE of epicenter	La Libertad (pop: 16,900)	I Not felt	Departamento de La Libertad	El Salvador
75 km (46 mi) NE of epicenter	San Salvador (pop: 526,000)	I Not felt	San Salvador	El Salvador
77 km (48 mi) NE of epicenter	Mexicanos (pop: 160,300)	I Not felt	San Salvador	El Salvador
79 km (49 mi) NE of epicenter	Delgado (pop: 71,600)	I Not felt	San Salvador	El Salvador
80 km (50 mi) NE of epicenter	Soyapango (pop: 329,700)	I Not felt	San Salvador	El Salvador
85 km (53 mi) NE of epicenter	Apopa (pop: 112,200)	I Not felt	San Salvador	El Salvador
88 km (54 mi) N of epicenter	Santa Ana (pop: 176,700)	I Not felt	Santa Ana	El Salvador

Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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	Time GMT	Epicenter	Agency
2.9	31 km (19 mi)	2023-09-23 21:59:25	45 Km Al Sur De Acajutla, El Salvador	INETER

Most recent quakes Top 20 past 24 hrs Quakes in El Salvador

Seismograms

Seismic station: Montecristo, El Salvador (SNET/SV network) | Distance from quake: 71 km / 44 mi | Show on map | Station Info

Seismic station Montecristo, El Salvador: 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

Seismogram (vertical component) around time of quake. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Tegucigalpa, Honduras (TGUH/CU network) | Distance from quake: 276 km / 171 mi | Show on map | Station Info

User-reports for this quake

At magnitude 2.9, 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.

Earlier earthquakes in the same area

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