Light earthquake, 4.2 mag was detected near San Isidro in Costa Rica

Posted by admin on January 7, 2018 0 Comments

A light earthquake magnitude 4.2 (ml/mb) strikes 25 kilometers (16 miles) from San Isidro in Costa Rica on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 09/12/17 / 2017-12-09 13:19:36 / December 9, 2017 @ 1:19 pm. The earthquake occurred at a depth of 10 km (6 miles). Exact location, longitude -83.8314° West, latitude 9.1751° North, depth = 10 km. The temblor was detected at 07:19:36 / 7:19 am (local time epicenter). Unique identifier: us2000c4vu. Ids that are associated to the event: us2000c4vu.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Santa Ana, Santiago, San Juan. Country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Earthquake epicenter was 89 km (55 miles) from San José (c. 335 000 pop), 74 km (46 miles) from Paraíso (c. 39 700 pop), 26 km (16 miles) from San Isidro (c. 34 900 pop), 85 km (53 miles) from Curridabat (c. 34 600 pop), 91 km (56 miles) from San Vicente de Moravia (c. 34 400 pop), 90 km (56 miles) from San Vicente (c. 34 400 pop).

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

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. 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: 25 km SSW of San Isidro, Costa Rica.

More information

Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	-83.8314° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	9.1751° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	25km SSW 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	2017-12-09 13:19:36	Time when the event occurred. UTC/GMT
Updated	2018-01-07 17:38:24	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	271	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	0.468	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.33 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	154	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	us2000c4vu	Id of event.
Event Code	2000c4vu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000c4vu,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag was detected near San Isidro in Costa Rica

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