Moderate mag. 4.5 earthquake - North Pacific Ocean, 61 km southwest of Santa Tecla, El Salvador, on Sunday, 17 Jan 2021 10:04 pm (GMT -6) -

Moderate mag. 4.5 earthquake - North Pacific Ocean, 61 km southwest of Santa Tecla, El Salvador, on Sunday, 17 Jan 2021 10:04 pm (GMT -6)

Moderate magnitude 4.5 earthquake at 32 km depth

18 Jan 04:07 UTC: First to report: INETER after 3 minutes.
18 Jan 04:14: Magnitude recalculated from 4.7 to 4.5. Hypocenter depth recalculated from 27.0 to 32.0 km (from 16.8 to 19.9 mi). Epicenter location corrected by 2.7 km (1.7 mi) towards NE.
Update Mon, 18 Jan 2021, 04:12
Light magnitude 4.7 quake hits 64 km southwest of Santa Tecla, El Salvador late at night
4.7 quake 17 Jan 10:04 pm (GMT -6)
4.7 quake 17 Jan 10:04 pm (GMT -6)
Just 8 minutes ago, a 4.7-magnitude earthquake struck near Santa Tecla, Departamento de La Libertad, El Salvador. The tremor was recorded late at night on Sunday 17 January 2021 at 10:04 pm local time, at a shallow depth of 27 km below the surface.
The event was filed by the Nicaraguan Institute of Territorial Studies (INETER), the first seismological agency to report it.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in La Libertad (pop. 16,900) located 43 km from the epicenter, Acajutla (pop. 22,800) 54 km away, Sonsonate (pop. 59,500) 63 km away, Santa Tecla (pop. 124,700) 64 km away, San Marcos (pop. 54,600) 68 km away, San Salvador (pop. 526,000) 70 km away, Mexicanos (pop. 160,300) 73 km away, Delgado (pop. 71,600) 74 km away, and Soyapango (pop. 329,700) 75 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
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Earthquake data:

Date & time: 18 Jan 2021 04:04:21 UTC -
Local time at epicenter: Sunday, 17 Jan 2021 10:04 pm (GMT -6)
Magnitude: 4.5
Depth: 32.0 km
Epicenter latitude / longitude: 13.2°N / 89.55°W (North Pacific Ocean, El Salvador)
Nearest volcano: San Salvador (68 km / 42 mi)
Nearby towns and cities:
40 km (25 mi) SW of La Libertad (pop: 16,900) --> See nearby quakes!
53 km (33 mi) SE of Acajutla (pop: 22,800) --> See nearby quakes!
61 km (38 mi) SSW of Antiguo Cuscatlan (Antiguo Cuscatlán) (pop: 33,800) --> See nearby quakes!
62 km (39 mi) SSE of Izalco (pop: 19,200) --> See nearby quakes!
65 km (40 mi) SW of San Marcos (pop: 54,600) --> See nearby quakes!
67 km (42 mi) SW of San Salvador (pop: 526,000) --> See nearby quakes!
72 km (45 mi) SW of Soyapango (pop: 329,700) --> See nearby quakes!
88 km (55 mi) S of Santa Ana (pop: 176,700) --> See nearby quakes!
124 km (77 mi) SW of Sensuntepeque (pop: 20,400) --> See nearby quakes!
191 km (119 mi) SE of Guatemala City (Guatemala) (pop: 994,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 25°C (77 F), humidity: 78%, wind: 3 m/s (5 kts) from NNW
Primary data source: INETER
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) More info
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If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
MagnitudeDepthLocationSource
M 4.532 km40 Km Al Suroeste De La Libertad, El SalvadorINETER
M 4.275 kmOFFSHORE EL SALVADOREMSC
M 4.275 km5 Km S of La Libertad, El SalvadorUSGS

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Ilopango. San Salvador (72.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / 5-10 s
63.1 km NNE of epicenter [Map] / Light shaking (MMI IV) / single lateral shake / 5-10 s (reported through our app)
67.8 km NNE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
62.4 km N of epicenter [Map] / not felt / vibration and rolling / 2-5 s : 6 89 (reported through our app)
Honduras sps (305.4 km NNE of epicenter) [Map] / not felt (reported through our app)
66.8 km NNE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
62.4 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
San Luis Talpa (60.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
68.7 km NE of epicenter [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 5-10 s (reported through our app)
68.3 km NNE of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / very short (reported through our app)
69.6 km NNE of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Sonsonate / Light shaking (MMI IV) / very short
san salvador, el salvador / Weak shaking (MMI III) : 100 miles away and felt it -- it was clearly and earthquake. Short, two jolts.
Qaulity Inn Airport El Salvador / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
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