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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.22 mag strikes near Guanica in Puerto Rico


Earthquake location 17.9048S, -66.8861WA minor earthquake magnitude 3.22 (ml/mb) strikes 7 kilometers (4 miles) from Guanica in Puerto Rico on Tuesday. The temblor was picked up at 18:02:56 / 6:02 pm (local time epicenter). Unique identifier: pr2019365042. Ids that are associated to the event: pr2019365042. Date and time of earthquake in UTC/GMT: 31/12/19 / 2019-12-31 22:02:56 / December 31, 2019 @ 10:02 pm. Exact location, longitude -66.8861° West, latitude 17.9048° North, depth = 6 km. The earthquake occurred at a depth of 6 km (4 miles) below the earth’s surface.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Vega Baja, Cayey, Comerío (min 5000 pop). Epicenter of the event was 31 km (19 miles) from Ponce (c. 152 600 pop), 42 km (26 miles) from Mayagüez (c. 78 600 pop), 66 km (41 miles) from Arecibo (c. 49 300 pop), 80 km (50 miles) from Vega Baja (c. 29 300 pop), 71 km (44 miles) from Barceloneta (c. 22 300 pop).

In the past 24 hours, there have been seven, in the last 10 days fourty, in the past 30 days fourty-eight and in the last 365 days ninety-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 7 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.22 mb The magnitude for the event.
Longitude -66.8861° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9048° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 7km SSE of Guanica, 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 2019-12-31 22:02:56 Time when the event occurred. UTC/GMT
Updated 2019-12-31 22:19:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 5 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 162 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0706 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 221 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 pr2019365042 Id of event.
Event Code 2019365042 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019365042, A comma-separated list of event ids that are associated to an event.

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