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Minor earthquake: M3.14 quake has struck near Tierras Nuevas Poniente in Puerto Rico


Earthquake location 19.1641S, -66.5445WA minor earthquake magnitude 3.14 (ml/mb) strikes 77 kilometers (48 miles) from Tierras Nuevas Poniente in Puerto Rico on Thursday. The 3.14-magnitude earthquake was detected at 04:36:36 / 4:36 am (local time epicenter). The epicenter of the earthquake was roughly 26 km (16 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 17/12/20 / 2020-12-17 04:36:36 / December 17, 2020 @ 4:36 am. Exact location of event, depth 26 km, -66.5445° West, 19.1641° North. Id of earthquake: pr2020352002. Event ids that are associated: pr2020352002.

Nearest cities/city/towns to hypocenter/epicentrum was Barceloneta, Arecibo (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 79 km (49 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Barceloneta (c. 22 300 pop).

In the past 24 hours, there have been three, in the last 10 days fourteen, in the past 30 days twenty-four and in the last 365 days two hundred and seventy earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 77 km N of Tierras Nuevas Poniente, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.14 mb The magnitude for the event.
Longitude -66.5445° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1641° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26 km Depth of the event in kilometers.
Place 77 km 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 2020-12-17 04:36:36 Time when the event occurred. UTC/GMT
Updated 2020-12-17 05:33:08 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 152 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8439 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 294 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 pr2020352002 Id of event.
Event Code 2020352002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020352002, A comma-separated list of event ids that are associated to an event.

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