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Moderate mag. 4.6 earthquake - North Pacific Ocean, 82 km southwest of San Salvador, El Salvador, on Friday, Nov 18, 2022 at 2:31 am (GMT -6) -

Moderate mag. 4.6 earthquake - North Pacific Ocean, 82 km southwest of San Salvador, El Salvador, on Friday, Nov 18, 2022 at 2:31 am (GMT -6) Moderate mag. 4.6 earthquake - North Pacific Ocean, 82 km southwest of San Salvador, El Salvador, on Friday, Nov 18, 2022 at 2:31 am (GMT -6)

Moderate magnitude 4.6 earthquake at 23 km depth

18 Nov 08:33 UTC: First to report: VolcanoDiscovery after 2 minutes.
18 Nov 08:35: Now using data updates from INETER
18 Nov 12:07: Magnitude recalculated from 4.6 to 4.8. Hypocenter depth recalculated from 23.0 to 24.0 km (from 14.3 to 14.9 mi). Epicenter location corrected by 7 km (4.3 mi) towards NE.
20 Nov 09:56: Magnitude recalculated from 4.8 to 4.6. Hypocenter depth recalculated from 24.0 to 23.0 km (from 14.9 to 14.3 mi). Epicenter location corrected by 7 km (4.3 mi) towards SW.

Earthquake details

Date & timeNov 18, 2022 08:31:05 UTC -
Local time at epicenterFriday, Nov 18, 2022 at 2:31 am (GMT -6)
StatusConfirmed
Magnitude4.6
Depth23.0 km
Epicenter latitude / longitude13.09°N / 89.628°W (North Pacific Ocean, El Salvador)
Antipode13.09°S / 90.372°E
Shaking intensityWeak shaking
Felt10 reports
Primary data sourceINETER
Nearest volcanoIzalco (80 km / 50 mi)
Nearby towns and cities55 km (34 mi) SW of La Libertad (pop: 16,900) | Show on map | Quakes nearby
80 km (50 mi) SW of San Marcos (pop: 54,600) | Show on map | Quakes nearby
82 km (51 mi) SW of San Salvador (pop: 526,000) | Show on map | Quakes nearby
85 km (53 mi) SW of Mexicanos (pop: 160,300) | Show on map | Quakes nearby
86 km (53 mi) SW of Delgado (pop: 71,600) | Show on map | Quakes nearby
87 km (54 mi) SW of Soyapango (pop: 329,700) | Show on map | Quakes nearby
93 km (58 mi) SSW of Apopa (pop: 112,200) | Show on map | Quakes nearby
94 km (59 mi) WSW of Zacatecoluca (pop: 39,600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 28.2°C (83 F), humidity: 67%, wind: 4 m/s (7 kts) from NE
Estimated seismic energy released5 x 1011 joules (139 megawatt hours, equivalent to 120 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.DepthLocationSource
4.623 km55 Km Al Suroeste De La Libertad, El SalvadorINETER
4.640 kmOFFSHORE EL SALVADOREMSC
4.640 kmEl SalvadorRaspberryShake

Seismograms

Seismic station: Montecristo, El Salvador (SNET/SV network) | Distance from quake: 79 km / 49 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: 0.2-10.0 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 / 172 mi | Show on map | Station Info
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User reports for this quake (10)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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San Salvador (81 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
san salvador (72.1 km NNE of epicenter) [Map] / Weak shaking (MMI III) / 5-10 s
San salvador (83.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) : Temblor muy fuerte  
San Salvador (81.1 km NE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 5-10 s
Quezaltepeque, La Libertad (91.3 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / vertical swinging (up and down) / 5-10 s : Sorteo duration (reported through our app)  
San Salvador / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
san salvador / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Playa Cangrejera, El Salvador / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Woke us up and felt minor shaking  
Mejicanos San salvador / Light shaking (MMI IV) / complex motion difficult to describe / 20-30 s : Escuche crujidos en el techo y luego empecé a sentir el temblor.  
San Salvador / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s

Earlier earthquakes in the same area

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