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Minor earthquake 2.86 mag, 20 km NNW of Brenas, Puerto Rico


Earthquake location 18.6451S, -66.3786WA minor earthquake with magnitude 2.86 (ml/mb) was reported 20 kilometers (12 miles) from Brenas in Puerto Rico on Monday. Date and time of earthquake in UTC/GMT: 26/06/18 / 2018-06-26 01:25:59 / June 26, 2018 @ 1:25 am. Exact location, longitude -66.3786° West, latitude 18.6451° North, depth = 95 km. Event ids that are associated to the earthquake: pr2018177000. Id of event: pr2018177000. The 2.86-magnitude earthquake was detected at 21:25:59 / 9:25 pm (local time epicenter). The earthquake was roughly at a depth of 95 km (59 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Luquillo, Santa Isabel, Peñuelas. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 35 km (22 miles) from San Juan (c. 418 100 pop), 36 km (22 miles) from Bayamón (c. 203 500 pop), 53 km (33 miles) from Carolina (c. 170 400 pop), 75 km (46 miles) from Ponce (c. 152 600 pop), 57 km (36 miles) from Caguas (c. 86 800 pop).

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. In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days ten and in the last 365 days two hundred and fourty-six earthquakes of magnitude 3.0 or greater that was reported nearby.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 20 km NNW of Brenas, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -66.3786° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6451° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 95 km Depth of the event in kilometers.
Place 20km NNW of Brenas, 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 2018-06-26 01:25:59 Time when the event occurred. UTC/GMT
Updated 2018-06-26 06:09:46 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 126 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4796 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 283 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 pr2018177000 Id of event.
Event Code 2018177000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018177000, A comma-separated list of event ids that are associated to an event.

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