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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 88 km W of Ovalle, Chile


Earthquake location -30.7008S, -72.1151WA light earthquake magnitude 4.1 (ml/mb) has struck on Sunday, 88 kilometers (55 miles) from Ovalle in Chile. The epicenter was at a depth of 15.3 km (10 miles). Exact time and date of earthquake 21/09/15 / 2015-09-21 01:42:13 / September 21, 2015 @ 1:42 am UTC/GMT. Exact location of earthquake, -72.1151° West, -30.7008° South, depth 15.3 km. The temblor was picked up at 20:42:13 / 8:42 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us20003nty. Unique identifier: us20003nty.

Closest city/cities/towns to epicentrum/hypocenter was Ovalle (min 5000 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the event was 88 km (55 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 fourty-four, in the last 10 days one hundred and fourty-three, in the past 30 days one hundred and fourty-three and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 88 km W of Ovalle, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -72.1151° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.7008° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.3 km Depth of the event in kilometers.
Place 88km W 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 2015-09-21 01:42:13 Time when the event occurred. UTC/GMT
Updated 2015-09-24 22:31:45 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 0.414 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 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 us20003nty Id of event.
Event Code 20003nty An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003nty, A comma-separated list of event ids that are associated to an event.

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