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Minor earthquake, 3.1 mag was detected near Santo Domingo in Puerto Rico


Earthquake location 18.0463S, -66.7517WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 1 kilometers (1 miles) from Santo Domingo in Puerto Rico. Exact location of earthquake, -66.7517° West, 18.0463° North, depth 10 km. Unique identifier: us60007c8q. Ids that are associated to the event: us60007c8q. Global time and date of event 21/01/20 / 2020-01-21 17:36:24 / January 21, 2020 @ 5:36 pm UTC/GMT. The temblor was reported at 13:36:24 / 1:36 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Cataño, Patillas, Caguas. Earthquake epicenter was 74 km (46 miles) from Bayamón (c. 203 500 pop), 15 km (9 miles) from Ponce (c. 152 600 pop), 77 km (48 miles) from Caguas (c. 86 800 pop), 76 km (47 miles) from Guaynabo (c. 81 400 pop), 44 km (28 miles) from Mayagüez (c. 78 600 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel it?

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: 1 km S of Santo Domingo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.7517° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0463° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 1km S of Santo Domingo, 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 2020-01-21 17:36:24 Time when the event occurred. UTC/GMT
Updated 2020-01-21 22:06:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 3.8 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 149 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 0.027 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us60007c8q Id of event.
Event Code 60007c8q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007c8q, A comma-separated list of event ids that are associated to an event.

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