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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 50 km SSW of Golfito, Costa Rica

Earthquake location 8.2109S, -83.3346WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 50 kilometers (31 miles) from Golfito in Costa Rica. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 05:16:44 / 5:16 am (local time epicenter). Date and time of earthquake in UTC/GMT: 14/09/15 / 2015-09-14 11:16:44 / September 14, 2015 @ 11:16 am. Exact location of event, depth 14.82 km, -83.3346° West, 8.2109° North. The earthquake occurred at a depth of 14.82 km (9 miles). Unique identifier: us20003p1g. Ids that are associated to the event: us20003p1g.

Epicenter of the event was 53 km (33 miles) from Puerto Armuelles (c. 18 800 pop), 86 km (53 miles) from La Concepción (c. 16 900 pop), 64 km (40 miles) from Corredor (c. 7 100 pop), 50 km (31 miles) from Golfito (c. 6 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was La Concepción, Corredor, Puerto Armuelles (min 5000 pop). Nearby country/countries, Costa Rica (c. 4 516 000 pop), Panama (c. 3 411 000 pop) (That might be effected).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. 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: 50 km SSW of Golfito, Costa Rica.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -83.3346° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 8.2109° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.82 km Depth of the event in kilometers.
Place 50km SSW of Golfito, 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 2015-09-14 11:16:44 Time when the event occurred. UTC/GMT
Updated 2015-10-03 12:17:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 0.581 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 174 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 us20003p1g Id of event.
Event Code 20003p1g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003p1g, A comma-separated list of event ids that are associated to an event.

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