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Light earthquake: M4.5 quake has struck near Sardinal in Costa Rica

Posted by admin on July 31, 2018 0 Comments

A light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 46 kilometers (29 miles) from Sardinal in Costa Rica. Exact location, longitude -86.0536° West, latitude 10.6248° North, depth = 35 km. The earthquake was roughly at a depth of 35 km (22 miles). Date and time of earthquake in UTC/GMT: 31/07/18 / 2018-07-31 14:25:29 / July 31, 2018 @ 2:25 pm. The 4.5-magnitude earthquake was detected at 08:25:29 / 8:25 am (local time epicenter). Id of earthquake: us2000gi7n. Event ids that are associated: us2000gi7n. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Costa Rica (c. 4 516 000 pop), Nicaragua (c. 5 996 000 pop) (That might be effected). The epicenter was 67 km (42 miles) from Liberia (c. 45 400 pop), 94 km (58 miles) from Rivas (c. 30 300 pop), 84 km (52 miles) from Nicoya (c. 15 300 pop), 65 km (41 miles) from Santa Cruz (c. 12 300 pop), 73 km (45 miles) from San Juan del Sur (c. 7 800 pop), 96 km (60 miles) from San Jorge (c. 7 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Jorge, Rivas, Nicoya (min 5000 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 46 km WNW of Sardinal, Costa Rica.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-86.0536° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	10.6248° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	46km WNW of Sardinal, 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	2018-07-31 14:25:29	Time when the event occurred. UTC/GMT
Updated	2018-07-31 14:57:12	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	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.132	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.16 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	179	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	us2000gi7n	Id of event.
Event Code	2000gi7n	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000gi7n,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.5 quake has struck near Sardinal in Costa Rica

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