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Minor earthquake, 3 mag strikes near Guanica in Puerto Rico


Earthquake location 17.2943S, -66.9065WA minor earthquake with magnitude 3 (ml/mb) was detected on Friday, 74 kilometers (46 miles) from Guanica in Puerto Rico. The 3-magnitude earthquake has occurred at 17:23:34 / 5:23 pm (local time epicenter). The epicenter was at a depth of 50 km (31 miles). All ids that are associated to the event: pr16204006. Unique identifier: pr16204006. Exact time and date of earthquake 22/07/16 / 2016-07-22 21:23:34 / July 22, 2016 @ 9:23 pm UTC/GMT. Exact location of event, depth 50 km, -66.9065° West, 17.2943° North.

Earthquake epicenter was 75 km (47 miles) from Guánica (c. 9 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Guánica. 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. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 74 km S of Guanica, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.9065° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.2943° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 74km S of Guanica, 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 2016-07-22 21:23:34 Time when the event occurred. UTC/GMT
Updated 2016-07-23 00:07:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 138 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.68271962 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 324 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 pr16204006 Id of event.
Event Code 16204006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16204006, A comma-separated list of event ids that are associated to an event.

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