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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag strikes near Valparaiso in Chile

Earthquake location -33.0659S, -72.0135WA minor earthquake with magnitude 3.8 (ml/mb) was detected on Sunday, 36 kilometers (22 miles) from Valparaiso in Chile. Exact time and date of event in UTC/GMT: 23/04/17 / 2017-04-23 12:52:15 / April 23, 2017 @ 12:52 pm. Exact location of earthquake, -72.0135° West, -33.0659° South, depth 27.19 km. The epicenter was at a depth of 27.19 km (17 miles). Event ids that are associated to the earthquake: us10008k0k. Id of event: us10008k0k. The temblor was detected at 07:52:15 / 7:52 am (local time epicenter).

Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 43 km (27 miles) from Viña del Mar (c. 294 600 pop), 36 km (22 miles) from Valparaíso (c. 282 400 pop), 53 km (33 miles) from Quilpué (c. 130 300 pop), 60 km (37 miles) from Villa Alemana (c. 97 300 pop), 70 km (43 miles) from San Antonio (c. 85 700 pop), 74 km (46 miles) from Quillota (c. 67 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Hacienda La Calera, Quillota, Limache (min 5000 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been fifty-one, in the last 10 days fifty-one, in the past 30 days fifty-one and in the last 365 days eighty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 36 km W of Valparaiso, Chile.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -72.0135° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.0659° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.19 km Depth of the event in kilometers.
Place 36km W of Valparaiso, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-23 12:52:15 Time when the event occurred. UTC/GMT
Updated 2017-04-26 15:01:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 222 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 0.318 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008k0k Id of event.
Event Code 10008k0k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008k0k, A comma-separated list of event ids that are associated to an event.

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