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Minor earthquake 2.84 mag, 32 km N of Tierras Nuevas Poniente, Puerto Rico


Earthquake location 18.7546S, -66.4635WA minor earthquake with magnitude 2.84 (ml/mb) was reported 32 kilometers (20 miles) from Tierras Nuevas Poniente in Puerto Rico on Monday. Exact location of event, depth 48 km, -66.4635° West, 18.7546° North. The epicenter was at a depth of 48 km (30 miles). The 2.84-magnitude earthquake was detected at 05:37:01 / 5:37 am (local time epicenter). All ids that are associated to the event: pr2017240019. Unique identifier: pr2017240019. Global date and time of event UTC/GMT: 28/08/17 / 2017-08-28 09:37:01 / August 28, 2017 @ 9:37 am.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 49 km (31 miles) from San Juan (c. 418 100 pop), 51 km (32 miles) from Bayamón (c. 203 500 pop), 68 km (42 miles) from Carolina (c. 170 400 pop), 73 km (45 miles) from Caguas (c. 86 800 pop), 58 km (36 miles) from Guaynabo (c. 81 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Gurabo, Coamo, San Isidro (min 5000 pop).

In the past 24 hours, there have been six, in the last 10 days twelve, in the past 30 days twenty-seven and in the last 365 days two hundred and thirty-eight earthquakes of magnitude 3.0 or greater that has struck near. Each 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.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 32 km N of Tierras Nuevas Poniente, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -66.4635° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7546° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48 km Depth of the event in kilometers.
Place 32km N of Tierras Nuevas Poniente, 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 2017-08-28 09:37:01 Time when the event occurred. UTC/GMT
Updated 2017-08-28 12:09:59 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.726 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 244 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 pr2017240019 Id of event.
Event Code 2017240019 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017240019, A comma-separated list of event ids that are associated to an event.

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