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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 75 km W of Illapel, Chile


Earthquake location -31.7367S, -71.9481WA light earthquake magnitude 4.5 (ml/mb) strikes 75 kilometers (47 miles) from Illapel in Chile on Thursday. Exact location of event, longitude -71.9481 West, latitude -31.7367 South, depth = 8.37 km. The epicenter was at a depth of 8.37 km (5 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 17/09/15 / 2015-09-17 08:10:36 / September 17, 2015 @ 8:10 am. The temblor was reported at 03:10:36 / 3:10 am (local time epicenter). Id of earthquake: us10003j52. Event ids that are associated: us10003j52.

Epicenter of the earthquake was 75 km (46 miles) from Illapel (c. 22 800 pop), 93 km (58 miles) from Salamanca (c. 13 300 pop). Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Salamanca, Illapel (min 5000 pop).

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 75 km W of Illapel, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -71.9481° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.7367° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.37 km Depth of the event in kilometers.
Place 75km W 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 08:10:36 Time when the event occurred. UTC/GMT
Updated 2015-10-04 10:04:11 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 312 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 1.093 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us10003j52 Id of event.
Event Code 10003j52 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j52, A comma-separated list of event ids that are associated to an event.

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