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Light earthquake: M4.2 quake has struck near Cartagena in Chile


Earthquake location -33.3667S, -72.4976WA light earthquake with magnitude 4.2 (ml/mb) was detected on Tuesday, 85 kilometers (53 miles) from Cartagena in Chile. The temblor was detected at 20:34:47 / 8:34 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 8.7 km (5 miles). Event ids that are associated to the earthquake: us7000aff4. Id of event: us7000aff4. Exact time and date of event in UTC/GMT: 30/06/20 / 2020-06-30 20:34:47 / June 30, 2020 @ 8:34 pm. Exact location of earthquake, longitude -72.4976 West, latitude -33.3667 South, depth = 8.7 km.

Country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Valparaíso, San Antonio, Cartagena. Event epicenter was 89 km (55 miles) from Valparaíso (c. 282 400 pop), 86 km (54 miles) from San Antonio (c. 85 700 pop), 85 km (53 miles) from Cartagena (c. 16 900 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

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 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: 85 km WNW of Cartagena, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -72.4976° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.3667° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.7 km Depth of the event in kilometers.
Place 85 km WNW of Cartagena, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-06-30 20:34:47 Time when the event occurred. UTC/GMT
Updated 2020-06-30 22:08:36 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 271 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 0.798 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 185 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 us7000aff4 Id of event.
Event Code 7000aff4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000aff4, A comma-separated list of event ids that are associated to an event.

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