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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Illapel in Chile



Earthquake location -31.364S, -71.9186WA light earthquake with magnitude 4.1 (ml/mb) was detected on Thursday, 77 kilometers (48 miles) from Illapel in Chile. Exact location, longitude -71.9186° West, latitude -31.364° South, depth = 24.37 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 16:13:02 / 4:13 pm (local time epicenter). All ids that are associated to the event: us10003j7j. Unique identifier: us10003j7j. The epicenter of the earthquake was roughly 24.37 km (15 miles) below the earth’s surface. Global date and time of event UTC/GMT: 17/09/15 / 2015-09-17 21:13:02 / September 17, 2015 @ 9:13 pm.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Earthquake epicenter was 77 km (48 miles) from Illapel (c. 22 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Illapel (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three hundred and nineteen, in the last 10 days three hundred and nineteen, in the past 30 days three hundred and nineteen and in the last 365 days three hundred and thirty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

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 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: 77 km WNW of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -71.9186° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.364° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.37 km Depth of the event in kilometers.
Place 77km WNW 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 2015-09-17 21:13:02 Time when the event occurred. UTC/GMT
Updated 2015-10-13 03:24:50 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 259 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 0.729 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us10003j7j Id of event.
Event Code 10003j7j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j7j, A comma-separated list of event ids that are associated to an event.

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