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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near San Marcos in Costa Rica

Earthquake location 9.7103S, -84.0288WA minor earthquake with magnitude 3.9 (ml/mb) was detected on Tuesday, 5 kilometers (3 miles) from San Marcos in Costa Rica. Exact time and date of event in UTC/GMT: 11/08/20 / 2020-08-11 01:06:15 / August 11, 2020 @ 1:06 am. Exact location of event, depth 10 km, -84.0288° West, 9.7103° North. The temblor was picked up at 01:06:15 / 1:06 am (local time epicenter). Event id: us6000bcfh. Ids that are associated to the earthquake: us6000bcfh. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

Nearby country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Miramar, Chacarita, Quesada (min 5000 pop). The epicenter was 26 km (16 miles) from San José (c. 335 000 pop), 33 km (21 miles) from San Francisco (c. 55 900 pop), 39 km (25 miles) from Alajuela (c. 47 500 pop), 23 km (14 miles) from Paraíso (c. 39 700 pop), 52 km (32 miles) from San Isidro (c. 34 900 pop), 22 km (14 miles) from Curridabat (c. 34 600 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 5 km N of San Marcos, Costa Rica.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -84.0288° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.7103° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 5 km N of San Marcos, 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 2020-08-11 01:06:15 Time when the event occurred. UTC/GMT
Updated 2020-08-11 02:18:20 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 234 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 0.301 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000bcfh Id of event.
Event Code 6000bcfh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bcfh, A comma-separated list of event ids that are associated to an event.

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