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Minor earthquake, 3.03 mag has occurred near Aguadilla in Puerto Rico


Earthquake location 18.5555S, -67.3935WA minor earthquake magnitude 3.03 (ml/mb) has struck on Saturday, 28 kilometers (17 miles) from Aguadilla in Puerto Rico. Exact time and date of earthquake 19/08/17 / 2017-08-19 12:22:57 / August 19, 2017 @ 12:22 pm UTC/GMT. Exact location, longitude -67.3935° West, latitude 18.5555° North, depth = 24 km. All ids that are associated to the event: pr2017231004. Unique identifier: pr2017231004. The earthquake occurred at a depth of 24 km (15 miles) below the earth’s surface. The 3.03-magnitude earthquake has occurred at 08:22:57 / 8:22 am (local time epicenter).

Epicenter of the event was 48 km (30 miles) from Mayagüez (c. 78 600 pop), 72 km (45 miles) from Arecibo (c. 49 300 pop), 29 km (18 miles) from Aguadilla (c. 16 100 pop), 39 km (24 miles) from Isabela (c. 12 500 pop), 64 km (40 miles) from San Germán (c. 12 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Arecibo, Sabana Grande, Lajas (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days twelve, in the past 30 days twenty-nine and in the last 365 days two hundred and eighty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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: 28 km WNW of Aguadilla, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.03 mb The magnitude for the event.
Longitude -67.3935° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5555° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24 km Depth of the event in kilometers.
Place 28km WNW of Aguadilla, 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 2017-08-19 12:22:57 Time when the event occurred. UTC/GMT
Updated 2017-08-19 13:08:19 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 141 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1913 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 262 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 pr2017231004 Id of event.
Event Code 2017231004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017231004, A comma-separated list of event ids that are associated to an event.

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