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Minor earthquake, 2.88 mag was detected near San Juan in Puerto Rico


Earthquake location 18.9378S, -66.2073WA minor earthquake with magnitude 2.88 (ml/mb) was reported 53 kilometers (33 miles) from San Juan in Puerto Rico on Saturday. The temblor was picked up at 23:13:13 / 11:13 pm (local time epicenter). Exact location of event, longitude -66.2073 West, latitude 18.9378 North, depth = 31 km. Global date and time of event UTC/GMT: 28/01/18 / 2018-01-28 03:13:13 / January 28, 2018 @ 3:13 am. Event id: pr2018028001. Ids that are associated to the earthquake: pr2018028001. The earthquake was roughly at a depth of 31 km (19 miles).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Aguas Buenas, Arecibo, Estancias de Florida (min 5000 pop). Epicenter of the earthquake was 54 km (33 miles) from San Juan (c. 418 100 pop), 60 km (37 miles) from Bayamón (c. 203 500 pop), 67 km (42 miles) from Carolina (c. 170 400 pop), 65 km (41 miles) from Guaynabo (c. 81 400 pop), 68 km (42 miles) from Trujillo Alto (c. 54 200 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days thirty and in the last 365 days two hundred and seventy-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 53 km NNW of San Juan, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.88 mb The magnitude for the event.
Longitude -66.2073° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9378° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31 km Depth of the event in kilometers.
Place 53km NNW of San Juan, 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 2018-01-28 03:13:13 Time when the event occurred. UTC/GMT
Updated 2018-01-28 07:11:44 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 128 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8052 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 340 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 pr2018028001 Id of event.
Event Code 2018028001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018028001, A comma-separated list of event ids that are associated to an event.

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