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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake: M5.1 quake has struck near Ciudad Cortes in Costa Rica


Earthquake location 8.5871S, -84.1161WA moderate earthquake magnitude 5.1 (ml/mb) has struck on Sunday, 77 kilometers (48 miles) from Ciudad Cortes in Costa Rica. The earthquake was roughly at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 09/04/18 / 2018-04-09 03:37:36 / April 9, 2018 @ 3:37 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000dwqs. Event ids that are associated: us2000dwqs. Exact location of event, longitude -84.1161 West, latitude 8.5871 North, depth = 10 km. The temblor was reported at 21:37:36 / 9:37 pm (local time epicenter).

Earthquake epicenter was 98 km (61 miles) from San Isidro (c. 34 900 pop), 97 km (60 miles) from Daniel Flores (c. 10 000 pop), 93 km (58 miles) from Quepos (c. 7 800 pop), 95 km (59 miles) from Mercedes (c. 5 500 pop). Close country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Isidro, Daniel Flores, Mercedes (min 5000 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 earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1320 moderate earthquakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 77 km WSW of Ciudad Cortes, Costa Rica.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -84.1161° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 8.5871° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 77km WSW of Ciudad Cortes, 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 2018-04-09 03:37:36 Time when the event occurred. UTC/GMT
Updated 2018-04-09 03:52:55 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 3.8 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 401 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 0.807 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 137 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 us2000dwqs Id of event.
Event Code 2000dwqs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwqs, A comma-separated list of event ids that are associated to an event.

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