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Minor earthquake, 3.06 mag strikes near Hatillo in Puerto Rico


Earthquake location 19.0223S, -66.8625WA minor earthquake magnitude 3.06 (ml/mb) has struck on Tuesday, 59 kilometers (37 miles) from Hatillo in Puerto Rico. Id of earthquake: pr2018338010. Event ids that are associated: pr2018338010. The 3.06-magnitude earthquake was detected at 19:22:27 / 7:22 pm (local time epicenter). Exact location of earthquake, longitude -66.8625 West, latitude 19.0223 North, depth = 45 km. The earthquake was roughly at a depth of 45 km (28 miles). Exact time and date of earthquake 04/12/18 / 2018-12-04 23:22:27 / December 4, 2018 @ 11:22 pm UTC/GMT.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was San Sebastián, Manatí, Moca (min 5000 pop). Epicenter of the earthquake was 63 km (39 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 77 km (48 miles) from Manatí (c. 16 100 pop), 73 km (45 miles) from Aguadilla (c. 16 100 pop), 60 km (38 miles) from Isabela (c. 12 500 pop).

Each year there are an estimated 130,000 minor earthquakes 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 three, in the last 10 days ten, in the past 30 days sixteen and in the last 365 days two hundred and sixty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 59 km N of Hatillo, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.06 mb The magnitude for the event.
Longitude -66.8625° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0223° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45 km Depth of the event in kilometers.
Place 59km N of Hatillo, 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 2018-12-04 23:22:27 Time when the event occurred. UTC/GMT
Updated 2018-12-05 05:13:12 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 144 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 0.9888 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 298 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 pr2018338010 Id of event.
Event Code 2018338010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018338010, A comma-separated list of event ids that are associated to an event.

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