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Minor earthquake, 2.96 mag strikes near Hatillo in Puerto Rico

Earthquake location 18.9801S, -66.8338WA minor earthquake with magnitude 2.96 (ml/mb) was detected on Saturday, 54 kilometers (34 miles) from Hatillo in Puerto Rico. Exact location of earthquake, -66.8338° West, 18.9801° North, depth 26 km. The epicenter of the earthquake was roughly 26 km (16 miles) below the earth’s surface. Event id: pr2019355021. Ids that are associated to the earthquake: pr2019355021. Date and time of earthquake in UTC/GMT: 21/12/19 / 2019-12-21 11:29:49 / December 21, 2019 @ 11:29 am. The 2.96-magnitude earthquake has occurred at 07:29:49 / 7:29 am (local time epicenter).

Earthquake epicenter was 58 km (36 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Vega Baja (c. 29 300 pop), 67 km (41 miles) from Barceloneta (c. 22 300 pop), 71 km (44 miles) from Manatí (c. 16 100 pop), 70 km (44 miles) from Aguadilla (c. 16 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Ceiba, Aguada, Lares (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been ten, in the last 10 days eighty-six, in the past 30 days one hundred and sixty-seven and in the last 365 days seven hundred and ninety-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every 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?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 54 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.96 mb The magnitude for the event.
Longitude -66.8338° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9801° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26 km Depth of the event in kilometers.
Place 54km 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 2019-12-21 11:29:49 Time when the event occurred. UTC/GMT
Updated 2019-12-21 17:31:33 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 135 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 0.6385 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 308 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 pr2019355021 Id of event.
Event Code 2019355021 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019355021, A comma-separated list of event ids that are associated to an event.

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