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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Samara in Costa Rica

Earthquake location 9.9825S, -85.5914WA light earthquake with magnitude 4.6 (ml/mb) was reported 13 kilometers (8 miles) from Samara in Costa Rica on Wednesday. The temblor was reported at 18:03:17 / 6:03 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 18.59 km (12 miles) below the earth’s surface. All ids that are associated to the event: us20004g1n. Unique identifier: us20004g1n. Exact time and date of earthquake 10/12/15 / 2015-12-10 00:03:17 / December 10, 2015 @ 12:03 am UTC/GMT. Exact location of event, depth 18.59 km, -85.5914° West, 9.9825° North.

The epicenter was 74 km (46 miles) from Liberia (c. 45 400 pop), 82 km (51 miles) from Puntarenas (c. 35 700 pop), 89 km (55 miles) from Chacarita (c. 26 400 pop), 73 km (46 miles) from Cañas (c. 20 300 pop), 24 km (15 miles) from Nicoya (c. 15 300 pop), 31 km (19 miles) from Santa Cruz (c. 12 300 pop), 87 km (54 miles) from Tilarán (c. 7 300 pop). Nearby country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Miramar, Chacarita, Tilarán (min 5000 pop).

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

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 13 km NNW of Samara, Costa Rica.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -85.5914° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.9825° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.59 km Depth of the event in kilometers.
Place 13km NNW of Samara, Costa Rica Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-10 00:03:17 Time when the event occurred. UTC/GMT
Updated 2015-12-10 03:39:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 2.9 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 326 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 0.135 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us20004g1n Id of event.
Event Code 20004g1n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004g1n, A comma-separated list of event ids that are associated to an event.

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