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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.4 mag, 8 km N of Cot, Costa Rica



Earthquake location 9.972S, -83.8862WA minor earthquake magnitude 3.4 (ml/mb) strikes 8 kilometers (5 miles) from Cot in Costa Rica on Wednesday. The earthquake occurred at a depth of 12.77 km (8 miles). Exact location of event, depth 12.77 km, -83.8862° West, 9.972° North. The 3.4-magnitude earthquake has occurred at 19:41:56 / 7:41 pm (local time epicenter). Exact time and date of earthquake 28/09/17 / 2017-09-28 01:41:56 / September 28, 2017 @ 1:41 am UTC/GMT. Unique identifier: us2000avq4. Ids that are associated to the event: us2000avq4.

The epicenter was 22 km (14 miles) from San José (c. 335 000 pop), 27 km (17 miles) from San Francisco (c. 55 900 pop), 36 km (22 miles) from Alajuela (c. 47 500 pop), 15 km (9 miles) from Paraíso (c. 39 700 pop), 70 km (43 miles) from San Isidro (c. 34 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Daniel Flores, Quesada, Orotina. Nearby country/countries that might be effected, Costa Rica (c. 4 516 000 pop).

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

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 8 km N of Cot, Costa Rica. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -83.8862° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.972° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.77 km Depth of the event in kilometers.
Place 8km N of Cot, 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 2017-09-28 01:41:56 Time when the event occurred. UTC/GMT
Updated 2017-09-28 02:04:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 4.1 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 179 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 0.121 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 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 us2000avq4 Id of event.
Event Code 2000avq4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000avq4, A comma-separated list of event ids that are associated to an event.

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