Light earthquake, 4.5 mag has occurred near Tamarindo in Costa Rica

A light earthquake magnitude 4.5 (ml/mb) has occurred on Friday, 43 kilometers (27 miles) from Tamarindo in Costa Rica. The temblor was picked up at 20:40:33 / 8:40 pm (local time epicenter). The epicenter of the earthquake was roughly 52.464 km (33 miles) below the earth’s surface. Event id: us6000ny6e. Ids that are associated to the earthquake: us6000ny6e. Global date and time of event UTC/GMT: 11/10/24 / 2024-10-11 20:40:33 / October 11, 2024 @ 8:40 pm. Exact location of event, depth 52.464 km, -86.1604° West, 10.5348° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Costa Rica (c. 4 516 000 pop), Nicaragua (c. 5 996 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Nicoya, San Juan del Sur, Liberia. The epicenter was 80 km (50 miles) from Liberia (c. 45 400 pop), 89 km (55 miles) from Nicoya (c. 15 300 pop), 70 km (43 miles) from Santa Cruz (c. 12 300 pop), 86 km (53 miles) from San Juan del Sur (c. 7 800 pop).

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

Questions or comments?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 43 km NW of Tamarindo, Costa Rica.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-86.1604° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	10.5348° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	52.464 km	Depth of the event in kilometers.
Place	43 km NW of Tamarindo, 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	2024-10-11 20:40:33	Time when the event occurred. UTC/GMT
Updated	2024-10-12 20:28:04	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	312	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	92	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.884	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	186	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	us6000ny6e	Id of event.
Event Code	6000ny6e	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000ny6e,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.5 mag has occurred near Tamarindo in Costa Rica

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