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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Ovalle in Chile



Earthquake location -30.4107S, -72.0453WA light earthquake with magnitude 4.2 (ml/mb) was reported 83 kilometers (52 miles) from Ovalle in Chile on Friday. Unique identifier: us20003l4j. Ids that are associated to the event: us20003l4j. The earthquake occurred at a depth of 13.23 km (8 miles). Date and time of earthquake in UTC/GMT: 18/09/15 / 2015-09-18 07:05:24 / September 18, 2015 @ 7:05 am. The temblor was detected at 02:05:24 / 2:05 am (local time epicenter). Exact location of earthquake, longitude -72.0453 West, latitude -30.4107 South, depth = 13.23 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Coquimbo, Ovalle (min 5000 pop). Event epicenter was 85 km (53 miles) from Coquimbo (c. 161 300 pop), 84 km (52 miles) from Ovalle (c. 77 100 pop).

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. In the past 24 hours, there have been one hundred and fifty-six, in the last 10 days one hundred and seventy-eight, in the past 30 days one hundred and eighty-three and in the last 365 days two hundred and three earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 83 km WNW of Ovalle, Chile. This data 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 -72.0453° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.4107° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.23 km Depth of the event in kilometers.
Place 83km WNW 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 2015-09-18 07:05:24 Time when the event occurred. UTC/GMT
Updated 2015-10-07 10:49:37 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 0.44 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 91 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 us20003l4j Id of event.
Event Code 20003l4j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003l4j, A comma-separated list of event ids that are associated to an event.

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