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Minor earthquake, 3.16 mag was detected near Maria Antonia in Puerto Rico


Earthquake location 17.945S, -66.8451WA minor earthquake magnitude 3.16 (ml/mb) has occurred on Saturday, 5 kilometers (3 miles) from Maria Antonia in Puerto Rico. The epicenter was at a depth of 11 km (7 miles). Event id: pr2020011118. Ids that are associated to the earthquake: pr2020011118. Exact location of event, longitude -66.8451 West, latitude 17.945 North, depth = 11 km. The 3.16-magnitude earthquake was detected at 09:21:33 / 9:21 am (local time epicenter). Date and time of earthquake in UTC/GMT: 11/01/20 / 2020-01-11 13:21:33 / January 11, 2020 @ 1:21 pm.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 26 km (16 miles) from Ponce (c. 152 600 pop), 42 km (26 miles) from Mayagüez (c. 78 600 pop), 60 km (37 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Vega Baja (c. 29 300 pop), 65 km (40 miles) from Barceloneta (c. 22 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Antonio, Toa Alta, Guayama.

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and sixty-seven, in the last 10 days three hundred and sixty-three, in the past 30 days four hundred and seventeen and in the last 365 days four hundred and seventy-three 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.

Did you feel anything?

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. 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: 5 km SE of Maria Antonia, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.16 mb The magnitude for the event.
Longitude -66.8451° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.945° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 5km SE of Maria Antonia, 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 2020-01-11 13:21:33 Time when the event occurred. UTC/GMT
Updated 2020-01-14 23:53:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 32 The total number of felt reports
CDI 5.2 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 170 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0455 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 203 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2020011118 Id of event.
Event Code 2020011118 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020011118, A comma-separated list of event ids that are associated to an event.

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