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Minor earthquake 2.84 mag, 4 km NNE of Guaynabo, Puerto Rico

Posted by admin on February 9, 2018 0 Comments

Earthquake location 18.3941S, -66.0916WA minor earthquake with magnitude 2.84 (ml/mb) was detected on Thursday, 4 kilometers (2 miles) from Guaynabo in Puerto Rico. Exact location of event, depth 115 km, -66.0916° West, 18.3941° North. Id of earthquake: pr2018039018. Event ids that are associated: pr2018039018. Global date and time of event UTC/GMT: 08/02/18 / 2018-02-08 20:28:36 / February 8, 2018 @ 8:28 pm. The epicenter was at a depth of 115 km (71 miles). The temblor was detected at 16:28:36 / 4:28 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Peñuelas, Isabel Segunda, Adjuntas (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 8 km (5 miles) from San Juan (c. 418 100 pop), 7 km (4 miles) from Bayamón (c. 203 500 pop), 14 km (9 miles) from Carolina (c. 170 400 pop), 70 km (43 miles) from Ponce (c. 152 600 pop), 18 km (11 miles) from Caguas (c. 86 800 pop).

In the past 24 hours, there have been one, in the last 10 days fourteen, in the past 30 days twenty-seven and in the last 365 days two hundred and four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world.

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: 4 km NNE of Guaynabo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -66.0916° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 115 km Depth of the event in kilometers.
Place 4km NNE of Guaynabo, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-08 20:28:36 Time when the event occurred. UTC/GMT
Updated 2018-02-08 22:54:45 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 124 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0855 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 231 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2018039018 Id of event.
Event Code 2018039018 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018039018, A comma-separated list of event ids that are associated to an event.

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