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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Jaco in Costa Rica



Earthquake location 9.4447S, -84.5447WA light earthquake magnitude 4.3 (ml/mb) strikes 21 kilometers (13 miles) from Jaco in Costa Rica on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000dbzz. Id of event: us1000dbzz. The temblor was picked up at 18:25:37 / 6:25 pm (local time epicenter). Exact time and date of event in UTC/GMT: 01/04/18 / 2018-04-01 00:25:37 / April 1, 2018 @ 12:25 am. Exact location of event, longitude -84.5447 West, latitude 9.4447 North, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles).

Nearby country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Río Segundo, San Isidro, Cot (min 5000 pop). Event epicenter was 74 km (46 miles) from San José (c. 335 000 pop), 76 km (47 miles) from San Francisco (c. 55 900 pop), 73 km (46 miles) from Alajuela (c. 47 500 pop), 86 km (54 miles) from Paraíso (c. 39 700 pop), 67 km (42 miles) from Puntarenas (c. 35 700 pop), 93 km (58 miles) from San Isidro (c. 34 900 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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: 21 km SSE of Jaco, Costa Rica.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -84.5447° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.4447° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 21km SSE of Jaco, 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 2018-04-01 00:25:37 Time when the event occurred. UTC/GMT
Updated 2018-04-01 04:13:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 284 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 0.244 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 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 us1000dbzz Id of event.
Event Code 1000dbzz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dbzz, A comma-separated list of event ids that are associated to an event.

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