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Minor earthquake 2.85 mag, 5 km NNE of Guaynabo, Puerto Rico


Earthquake location 18.4043S, -66.0888WA minor earthquake with magnitude 2.85 (ml/mb) was detected on Monday, 5 kilometers (3 miles) from Guaynabo in Puerto Rico. Global time and date of event 07/08/18 / 2018-08-07 01:58:38 / August 7, 2018 @ 1:58 am UTC/GMT. The 2.85-magnitude earthquake has occurred at 21:58:38 / 9:58 pm (local time epicenter). The earthquake was roughly at a depth of 110 km (68 miles). Exact location of earthquake, longitude -66.0888 West, latitude 18.4043 North, depth = 110 km. All ids that are associated to the event: pr2018219001. Unique identifier: pr2018219001.

Earthquake epicenter was 7 km (4 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), 71 km (44 miles) from Ponce (c. 152 600 pop), 19 km (12 miles) from Caguas (c. 86 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Isabel Segunda, Adjuntas, Adjuntas. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 5 km NNE of Guaynabo, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -66.0888° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4043° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 110 km Depth of the event in kilometers.
Place 5km 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 2018-08-07 01:58:38 Time when the event occurred. UTC/GMT
Updated 2018-08-07 03:45:59 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 125 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0954 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 pr2018219001 Id of event.
Event Code 2018219001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018219001, A comma-separated list of event ids that are associated to an event.

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