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Light earthquake: M4 quake has struck near Constitucion in Chile

Posted by admin on September 29, 2019 0 Comments

Earthquake location -35.5273S, -73.2157WA light earthquake magnitude 4 (ml/mb) has occurred on Sunday, 75 kilometers (47 miles) from Constitucion in Chile. The temblor was detected at 11:13:01 / 11:13 am (local time epicenter). Exact location of earthquake, -73.2157° West, -35.5273° South, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 29/09/19 / 2019-09-29 16:13:01 / September 29, 2019 @ 4:13 pm. Id of earthquake: us70005niq. Event ids that are associated: us70005niq. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Country/countries that might be effected, Chile (c. 16 746 000 pop). The epicenter was 76 km (47 miles) from Constitución (c. 37 900 pop). Closest city/cities/towns to epicentrum/hypocenter was Constitución (min 5000 pop).

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 75 km WSW of Constitucion, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -73.2157° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -35.5273° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 75km WSW of Constitucion, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-29 16:13:01 Time when the event occurred. UTC/GMT
Updated 2019-09-29 17:34:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 50 The total number of felt reports
CDI 4.2 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 267 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 1.218 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us70005niq Id of event.
Event Code 70005niq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005niq, A comma-separated list of event ids that are associated to an event.

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