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Minor earthquake: M2.94 quake has struck near Brenas in Puerto Rico

Posted by admin on December 25, 2018 0 Comments

Earthquake location 18.5668S, -66.308WA minor earthquake with magnitude 2.94 (ml/mb) was reported 11 kilometers (7 miles) from Brenas in Puerto Rico on Tuesday. Event ids that are associated to the earthquake: pr2018359011. Id of event: pr2018359011. Exact time and date of earthquake 25/12/18 / 2018-12-25 08:21:39 / December 25, 2018 @ 8:21 am UTC/GMT. The epicenter of the earthquake was roughly 86 km (53 miles) below the earth’s surface. The temblor was detected at 04:21:39 / 4:21 am (local time epicenter). Exact location of earthquake, longitude -66.308 West, latitude 18.5668 North, depth = 86 km.

The epicenter was 24 km (15 miles) from San Juan (c. 418 100 pop), 25 km (15 miles) from Bayamón (c. 203 500 pop), 42 km (26 miles) from Carolina (c. 170 400 pop), 70 km (43 miles) from Ponce (c. 152 600 pop), 46 km (29 miles) from Caguas (c. 86 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ceiba, San Sebastián, Isabela. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days twenty-one and in the last 365 days two hundred earthquakes of magnitude 3.0 or greater that have been detected 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: 11 km NNE of Brenas, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -66.308° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5668° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 86 km Depth of the event in kilometers.
Place 11km NNE 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 2018-12-25 08:21:39 Time when the event occurred. UTC/GMT
Updated 2018-12-25 12:05:52 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 133 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4842 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 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 pr2018359011 Id of event.
Event Code 2018359011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018359011, A comma-separated list of event ids that are associated to an event.

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