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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M2.9 quake has struck near Santa Cruz in Costa Rica

Posted by admin on December 23, 2018 0 Comments

Earthquake location 10.1917S, -85.8828WA minor earthquake with magnitude 2.9 (ml/mb) was reported 33 kilometers (21 miles) from Santa Cruz in Costa Rica on Friday. All ids that are associated to the event: us2000ivv9. Unique identifier: us2000ivv9. Global date and time of event UTC/GMT: 21/12/18 / 2018-12-21 11:06:59 / December 21, 2018 @ 11:06 am. Exact location, longitude -85.8828° West, latitude 10.1917° North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 2.9-magnitude earthquake has occurred at 05:06:59 / 5:06 am (local time epicenter).

Close country/countries, Costa Rica (c. 4 516 000 pop) (That might be effected). Event epicenter was 69 km (43 miles) from Liberia (c. 45 400 pop), 47 km (30 miles) from Nicoya (c. 15 300 pop), 33 km (21 miles) from Santa Cruz (c. 12 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Liberia, Nicoya, Santa Cruz.

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 33 km WSW of Santa Cruz, Costa Rica.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -85.8828° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.1917° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 33km WSW of Santa Cruz, 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 2018-12-21 11:06:59 Time when the event occurred. UTC/GMT
Updated 2018-12-23 22:42:48 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 129 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 0.921 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 285 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 us2000ivv9 Id of event.
Event Code 2000ivv9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ivv9, A comma-separated list of event ids that are associated to an event.

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