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Minor earthquake, 2.84 mag strikes near Brenas in Puerto Rico

Earthquake location 18.5041S, -66.368WA minor earthquake magnitude 2.84 (ml/mb) strikes 4 kilometers (2 miles) from Brenas in Puerto Rico on Saturday. Date and time of earthquake in UTC/GMT: 25/08/18 / 2018-08-25 21:46:15 / August 25, 2018 @ 9:46 pm. Event id: pr2018237007. Ids that are associated to the earthquake: pr2018237007. Exact location, longitude -66.368° West, latitude 18.5041° North, depth = 87 km. The epicenter was at a depth of 87 km (54 miles). The temblor was reported at 17:46:15 / 5:46 pm (local time epicenter).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 28 km (17 miles) from San Juan (c. 418 100 pop), 25 km (16 miles) from Bayamón (c. 203 500 pop), 45 km (28 miles) from Carolina (c. 170 400 pop), 61 km (38 miles) from Ponce (c. 152 600 pop), 45 km (28 miles) from Caguas (c. 86 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Punta Santiago, Naguabo, Maunabo (min 5000 pop).

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

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. 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 NW of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -66.368° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5041° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 87 km Depth of the event in kilometers.
Place 4km NW 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 2018-08-25 21:46:15 Time when the event occurred. UTC/GMT
Updated 2018-08-26 01:39:59 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 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4169 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 319 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 pr2018237007 Id of event.
Event Code 2018237007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018237007, A comma-separated list of event ids that are associated to an event.

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