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Minor earthquake, 3.19 mag was detected near Maria Antonia in Puerto Rico


Earthquake location 17.9835S, -66.8666WA minor earthquake magnitude 3.19 (ml/mb) strikes 2 kilometers (1 miles) from Maria Antonia in Puerto Rico on Saturday. Id of earthquake: pr2021002009. Event ids that are associated: us6000d4zg, pr2021002009. The epicenter was at a depth of 13 km (8 miles). Exact time and date of earthquake 02/01/21 / 2021-01-02 10:04:10 / January 2, 2021 @ 10:04 am UTC/GMT. Exact location of earthquake, -66.8666° West, 17.9835° North, depth 13 km. The 3.19-magnitude earthquake was detected at 10:04:10 / 10:04 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Guayama, Toa Alta, San Antonio (min 5000 pop). Epicenter of the earthquake was 27 km (17 miles) from Ponce (c. 152 600 pop), 38 km (23 miles) from Mayagüez (c. 78 600 pop), 57 km (35 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Vega Baja (c. 29 300 pop), 62 km (39 miles) from Barceloneta (c. 22 300 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days seventy-seven, in the past 30 days one hundred and ten and in the last 365 days two thousand, eight hundred and fifty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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: 2 km ENE of Maria Antonia, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.19 mb The magnitude for the event.
Longitude -66.8666° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9835° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 2 km ENE 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 2021-01-02 10:04:10 Time when the event occurred. UTC/GMT
Updated 2021-01-02 12:36:22 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 157 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 ,us,pr, A comma-separated list of network contributors.
Number of Stations Used 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0151 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 pr2021002009 Id of event.
Event Code 2021002009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d4zg,pr2021002009, A comma-separated list of event ids that are associated to an event.

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