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Minor earthquake: M2.8 quake has struck near Maria Antonia in Puerto Rico


Earthquake location 17.9651S, -66.8776WA minor earthquake magnitude 2.8 (ml/mb) has struck on Sunday, 1 kilometers (1 miles) from Maria Antonia in Puerto Rico. The temblor was detected at 02:54:43 / 2:54 am (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Exact location of event, longitude -66.8776 West, latitude 17.9651 North, depth = 10 km. Global time and date of event 12/01/20 / 2020-01-12 06:54:43 / January 12, 2020 @ 6:54 am UTC/GMT. Event ids that are associated to the earthquake: usa0005zsz. Id of event: usa0005zsz.

Closest city/cities/towns to epicentrum/hypocenter was Ceiba, Cayey, Naranjito (min 5000 pop). Event epicenter was 28 km (18 miles) from Ponce (c. 152 600 pop), 38 km (24 miles) from Mayagüez (c. 78 600 pop), 59 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). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been seven hundred and sixty-five, in the last 10 days one thousand and sixty-nine, in the past 30 days one thousand, one hundred and twenty-seven and in the last 365 days one thousand, one hundred and ninety-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 1 km SE of Maria Antonia, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.8776° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9651° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 1km 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 2020-01-12 06:54:43 Time when the event occurred. UTC/GMT
Updated 2020-02-07 09:41:12 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.158 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 185 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 usa0005zsz Id of event.
Event Code a0005zsz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usa0005zsz, A comma-separated list of event ids that are associated to an event.

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