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Light mag. 4.6 earthquake - 36 Km Al O De Valparaíso, Chile on Monday, 28 September 2020

Light mag. 4.6 earthquake  - 36 Km Al O De Valparaíso, Chile on Monday, 28 September 2020
28 Sep 17:01 UTC: First to report: EMSC after 12 minutes.
28 Sep 17:02: Now using data updates from GUG (U. Chile)
28 Sep 19:54: Magnitude recalculated from 4.5 to 4.6. Hypocenter depth recalculated from 26.3 to 25.1 km (from 16.3 to 15.6 mi). Epicenter location corrected by 1.5 km (1 mi) towards NW.
Date & time: Monday, 28 September 2020 16:49 UTC
Magnitude: 4.6
Depth: 25.1 km
Epicenter latitude / longitude: 33.005°S / 71.993°W (Chile)
Nearest volcano: Tupungatito (208 km / 129 mi)
Nearby towns and cities:
34 km (21 mi) W of Valparaíso (pop: 282,400)
41 km (26 mi) W of Viña del Mar (pop: 294,600)
52 km (32 mi) W of Quilpué (pop: 130,300)
58 km (36 mi) W of Villa Alemana (pop: 97,300)
135 km (84 mi) NW of Santiago (pop: 4,837,300)
148 km (92 mi) NW of Puente Alto (pop: 510,400)
Weather at epicenter at time of quake:
Overcast Clouds 16°C (61 F), humidity: 59%, wind: 2 m/s (4 kts) from W
Primary data source: GUG (U. Chile)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) [learn more]
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.
TimeMag. / DepthLocationSource
Mon, 28 Sep 16:49 UTCM 4.6 / 25.1 km36 Km Al O De Valparaíso, ChileGUG (U. Chile)
Mon, 28 Sep 16:49 UTCM 4.8 / 15 kmOffshore Valparaiso, ChileEMSC
Mon, 28 Sep 16:49 UTCM 4.8 / 18.2 km40 Km W of Valparaíso, ChileUSGS

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Las Heras (Argentina, 305 km E of epicenter) : Fue un golpe en seco (reported through EMSC)
Casablanca (Chile, 73 km SE of epicenter) : Sismo suave (reported through EMSC)
Providencia (Chile, 147 km E of epicenter) : Se sintió leve (reported through EMSC)
Quilpué (Chile, 61 km E of epicenter) : Como un golpe, corto (reported through EMSC)
Viña del Mar (Chile, 50 km E of epicenter) : Lo senti muy fuerte desde elm9no piso (reported through EMSC)
Valparaíso (Chile, 43 km E of epicenter) : Se sintió un remezon suave nada más. (reported through EMSC)

Earlier earthquakes in the same area since 1900

Light mag. 4.6 earthquake - 36 Km Al O De Valparaíso, Chile on Monday, 28 September 2020

Map of earlier quakes


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