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Light World Earthquakes Magnitude 4-4.9

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



Earthquake location -30.9404S, -71.5984WA light earthquake magnitude 4.5 (ml/mb) has occurred on Friday, 53 kilometers (33 miles) from Ovalle in Chile. 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: 02/10/15 / 2015-10-02 07:43:21 / October 2, 2015 @ 7:43 am. Exact location of earthquake, longitude -71.5984 West, latitude -30.9404 South, depth = 31 km. Event ids that are associated to the earthquake: us10003jq4. Id of event: us10003jq4. The temblor was reported at 04:43:21 / 4:43 am (local time epicenter). The epicenter was at a depth of 31 km (19 miles).

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Illapel, Monte Patria, Ovalle. The epicenter was 54 km (33 miles) from Ovalle (c. 77 100 pop), 87 km (54 miles) from Illapel (c. 22 800 pop), 67 km (42 miles) from Monte Patria (c. 13 900 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 53 km SW of Ovalle, Chile. This data 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 -71.5984° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.9404° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 31 km Depth of the event in kilometers.
Place 53km SW of Ovalle, 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 07:43:21 Time when the event occurred. UTC/GMT
Updated 2015-10-30 08:14:43 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 0.267 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us10003jq4 Id of event.
Event Code 10003jq4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003jq4, A comma-separated list of event ids that are associated to an event.

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