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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Illapel in Chile


Earthquake location -31.8246S, -72.1028WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 91 kilometers (57 miles) from Illapel in Chile. All ids that are associated to the event: us20003pak. Unique identifier: us20003pak. The temblor was reported at 01:16:31 / 1:16 am (local time epicenter). Date and time of earthquake in UTC/GMT: 26/09/15 / 2015-09-26 06:16:31 / September 26, 2015 @ 6:16 am. The earthquake occurred at a depth of 12.82 km (8 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 12.82 km, -72.1028° West, -31.8246° South.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Illapel. Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Epicenter of the event was 91 km (56 miles) from Illapel (c. 22 800 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been fourty-five, in the last 10 days two hundred and fifty-nine, in the past 30 days two hundred and fifty-nine and in the last 365 days two hundred and seventy-four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 91 km WSW of Illapel, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -72.1028° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.8246° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.82 km Depth of the event in kilometers.
Place 91km WSW of Illapel, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-26 06:16:31 Time when the event occurred. UTC/GMT
Updated 2015-10-22 11:16:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.126 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 168 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 us20003pak Id of event.
Event Code 20003pak An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003pak, A comma-separated list of event ids that are associated to an event.

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