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Minor earthquake 3.03 mag, 67 km NNE of Luquillo, Puerto Rico

Earthquake location 18.912S, -65.4265WA minor earthquake magnitude 3.03 (ml/mb) has struck on Sunday, 67 kilometers (42 miles) from Luquillo in Puerto Rico. Id of earthquake: pr2018224005. Event ids that are associated: pr2018224005. Exact location, longitude -65.4265° West, latitude 18.912° North, depth = 54 km. Global date and time of event UTC/GMT: 12/08/18 / 2018-08-12 14:38:31 / August 12, 2018 @ 2:38 pm. The earthquake was roughly at a depth of 54 km (34 miles). The temblor was detected at 10:38:31 / 10:38 am (local time epicenter).

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). The epicenter was 69 km (43 miles) from Fajardo (c. 34 100 pop), 73 km (45 miles) from Río Grande (c. 13 500 pop), 78 km (48 miles) from Canovanas (c. 8 400 pop), 67 km (42 miles) from Luquillo (c. 8 300 pop), 75 km (47 miles) from San Isidro (c. 8 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Canovanas, Santa Barbara, Ceiba (min 5000 pop).

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 eight, in the past 30 days fifty-eight and in the last 365 days four hundred and one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 67 km NNE of Luquillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.03 mb The magnitude for the event.
Longitude -65.4265° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.912° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54 km Depth of the event in kilometers.
Place 67km NNE of Luquillo, 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 2018-08-12 14:38:31 Time when the event occurred. UTC/GMT
Updated 2018-08-12 16:54:40 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8782 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 320 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 pr2018224005 Id of event.
Event Code 2018224005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018224005, A comma-separated list of event ids that are associated to an event.

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