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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Jaco in Costa Rica

Earthquake location 9.4813S, -84.5864WA light earthquake magnitude 4.3 (ml/mb) has occurred on Monday, 15 kilometers (9 miles) from Jaco in Costa Rica. Exact location, longitude -84.5864° West, latitude 9.4813° North, depth = 14.35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 18:00:00 / 6:00 pm (local time epicenter). Exact time and date of event in UTC/GMT: 28/11/17 / 2017-11-28 00:00:00 / November 28, 2017 @ 12:00 am. Id of earthquake: us1000bmdz. Event ids that are associated: us1000bmdz. The epicenter was at a depth of 14.35 km (9 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Río Segundo, Cot, Paraíso. The epicenter was 75 km (46 miles) from San José (c. 335 000 pop), 76 km (47 miles) from San Francisco (c. 55 900 pop), 72 km (45 miles) from Alajuela (c. 47 500 pop), 88 km (55 miles) from Paraíso (c. 39 700 pop), 62 km (38 miles) from Puntarenas (c. 35 700 pop), 77 km (48 miles) from Curridabat (c. 34 600 pop). Nearby country/countries, Costa Rica (c. 4 516 000 pop) (That might be effected).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 15 km SSE of Jaco, Costa Rica. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -84.5864° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.4813° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.35 km Depth of the event in kilometers.
Place 15km 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 2017-11-28 00:00:00 Time when the event occurred. UTC/GMT
Updated 2017-12-09 23:52:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 285 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 0.193 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us1000bmdz Id of event.
Event Code 1000bmdz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bmdz, A comma-separated list of event ids that are associated to an event.

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