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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Sardinal in Costa Rica


Earthquake location 10.4591S, -86.2206WA light earthquake magnitude 4.4 (ml/mb) strikes 63 kilometers (39 miles) from Sardinal in Costa Rica on Wednesday. Event ids that are associated to the earthquake: us2000cnw5. Id of event: us2000cnw5. The 4.4-magnitude earthquake was detected at 16:42:26 / 4:42 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). Exact location of event, longitude -86.2206 West, latitude 10.4591 North, depth = 10 km. Global time and date of event 10/01/18 / 2018-01-10 22:42:26 / January 10, 2018 @ 10:42 pm UTC/GMT.

The epicenter was 88 km (55 miles) from Liberia (c. 45 400 pop), 91 km (56 miles) from Nicoya (c. 15 300 pop), 73 km (45 miles) from Santa Cruz (c. 12 300 pop). Close country/countries that might be effected, Costa Rica (c. 4 516 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Nicoya, Liberia, Santa Cruz.

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 63 km W of Sardinal, Costa Rica.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -86.2206° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.4591° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 63km W 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 2018-01-10 22:42:26 Time when the event occurred. UTC/GMT
Updated 2018-01-27 00:35:35 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 298 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 0.664 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 177 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 us2000cnw5 Id of event.
Event Code 2000cnw5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cnw5, A comma-separated list of event ids that are associated to an event.

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