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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 29 km SW of San Isidro, Costa Rica

Earthquake location 9.1525S, -83.8591WA light earthquake magnitude 4.6 (mg/mb) was reported Saturday, 29 kilometers (18 miles) from San Isidro in Costa Rica. The temblor was reported at 12:56:15 / 12:56 am (local time epicenter) at a depth of 48.55 km (30 miles). Global time of event 2015-01-10 06:56:15 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -83.8591 West, latitude 9.1525 North, depth 48.55 km.

Close countries, Costa Rica (c. 4 516 000 pop). The epicenter was 90 km (56 miles) from San José (c. 335 000 pop), 98 km (61 miles) from San Francisco (c. 55 900 pop), 76 km (47 miles) from Paraíso (c. 39 700 pop), 30 km (18 miles) from San Isidro (c. 34 900 pop), 87 km (54 miles) from Curridabat (c. 34 600 pop). Nearest city, towns to epicentrum/hypocenter was San Francisco, San Pablo, Colón.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 29 km SW of San Isidro, Costa Rica.

More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -83.8591° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.1525° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.55 km Depth of the event in kilometers.
Place 29km SW of San Isidro, 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 2015-01-10 06:56:15 Time when the event occurred. UTC/GMT
Updated 2015-01-10 07:20:48 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 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 0.88 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 usc000tefc Id of event.
Event Code c000tefc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000tefc A comma-separated list of event ids that are associated to an event.

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