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Light earthquake, 4.8 mag strikes near Valparaíso in Chile

Posted by admin on September 28, 2020 0 Comments

Earthquake location -33.0046S, -72.0549WA light earthquake magnitude 4.8 (ml/mb) has occurred on Monday, 39 kilometers (24 miles) from Valparaíso in Chile. Event ids that are associated to the earthquake: us6000c269. Id of event: us6000c269. The earthquake occurred at a depth of 18.66 km (12 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 28/09/20 / 2020-09-28 16:49:16 / September 28, 2020 @ 4:49 pm. The 4.8-magnitude earthquake was detected at 16:49:16 / 4:49 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -72.0549° West, latitude -33.0046° South, depth = 18.66 km.

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Earthquake epicenter was 47 km (29 miles) from Viña del Mar (c. 294 600 pop), 40 km (25 miles) from Valparaíso (c. 282 400 pop), 57 km (36 miles) from Quilpué (c. 130 300 pop), 64 km (40 miles) from Villa Alemana (c. 97 300 pop), 78 km (48 miles) from San Antonio (c. 85 700 pop), 76 km (47 miles) from Quillota (c. 67 800 pop), 82 km (51 miles) from Hacienda La Calera (c. 49 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was La Ligua, Hacienda La Calera, San Antonio (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 39 km W of Valparaíso, Chile.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -72.0549° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.0046° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.66 km Depth of the event in kilometers.
Place 39 km W of Valparaíso, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-28 16:49:16 Time when the event occurred. UTC/GMT
Updated 2020-09-28 17:18:52 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 354 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.351 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000c269 Id of event.
Event Code 6000c269 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c269, A comma-separated list of event ids that are associated to an event.

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