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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Illapel in Chile

Posted by admin on October 30, 2015 0 Comments

Earthquake location -31.4233S, -72.7889WA light earthquake magnitude 4.5 (ml/mb) strikes 155 km W of Illapel, Chile (96 miles) on Friday. Exact time and date of event in UTC/GMT: 02/10/15 / 2015-10-02 07:54:20 / October 2, 2015 @ 7:54 am. All ids that are associated to the event: us10003jq6. Unique identifier: us10003jq6. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -72.7889° West, -31.4233° South, depth 10 km. The 4.5-magnitude earthquake has occurred at 02:54:20 / 2:54 am (local time epicenter). The epicenter was at a depth of 10 km (6 miles).

Every 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. In the past 24 hours, there have been twenty-eight, in the last 10 days seventy-two, in the past 30 days two hundred and thirty-five and in the last 365 days two hundred and fourty earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 155 km W of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -72.7889° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.4233° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 155km 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 2015-10-02 07:54:20 Time when the event occurred. UTC/GMT
Updated 2015-10-30 08:23:05 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 1.24 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us10003jq6 Id of event.
Event Code 10003jq6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003jq6, A comma-separated list of event ids that are associated to an event.

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