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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.6 mag, 12 km WNW of San Isidro, Costa Rica

Earthquake location 9.4275S, -83.8062WA minor earthquake with magnitude 3.6 (ml/mb) was detected on Thursday, 12 kilometers (7 miles) from San Isidro in Costa Rica. Global date and time of event UTC/GMT: 31/05/18 / 2018-05-31 16:25:14 / May 31, 2018 @ 4:25 pm. All ids that are associated to the event: us1000efxl. Unique identifier: us1000efxl. The earthquake was roughly at a depth of 21.23 km (13 miles). Exact location of earthquake, -83.8062° West, 9.4275° North, depth 21.23 km. The temblor was detected at 10:25:14 / 10:25 am (local time epicenter).

Epicenter of the event was 64 km (40 miles) from San José (c. 335 000 pop), 72 km (45 miles) from San Francisco (c. 55 900 pop), 79 km (49 miles) from Alajuela (c. 47 500 pop), 46 km (29 miles) from Paraíso (c. 39 700 pop), 13 km (8 miles) from San Isidro (c. 34 900 pop), 59 km (37 miles) from Curridabat (c. 34 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Siquirres, Santo Domingo, Alajuela (min 5000 pop). Nearby country/countries that might be effected, Costa Rica (c. 4 516 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. 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 thirty-one earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes in the world each year.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km WNW of San Isidro, Costa Rica. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -83.8062° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.4275° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.23 km Depth of the event in kilometers.
Place 12km WNW 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 2018-05-31 16:25:14 Time when the event occurred. UTC/GMT
Updated 2018-05-31 21:48:18 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 199 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 0.134 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us1000efxl Id of event.
Event Code 1000efxl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000efxl, A comma-separated list of event ids that are associated to an event.

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