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Minor earthquake 3.11 mag, 70 km NW of Rincón, Puerto Rico

Earthquake location 18.8003S, -67.7178WA minor earthquake with magnitude 3.11 (ml/mb) was reported 70 kilometers (43 miles) from Rincón in Puerto Rico on Monday. The earthquake occurred at a depth of 7 km (4 miles). Unique identifier: pr2021011020. Ids that are associated to the event: pr2021011020. Exact location of earthquake, longitude -67.7178 West, latitude 18.8003 North, depth = 7 km. Global date and time of event UTC/GMT: 11/01/21 / 2021-01-11 23:22:04 / January 11, 2021 @ 11:22 pm. The temblor was reported at 23:22:04 / 11:22 pm (local time epicenter).

Nearby country/countries that might be effected, Dominican Republic (c. 9 824 000 pop), Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Isabela, Moca, Punta Cana (min 5000 pop). Event epicenter was 76 km (47 miles) from Punta Cana (c. 100 000 pop), 72 km (45 miles) from Aguadilla (c. 16 100 pop), 80 km (50 miles) from Isabela (c. 12 500 pop), 78 km (49 miles) from Moca (c. 5 000 pop), 73 km (45 miles) from Aguada (c. 4 000 pop).

In the past 24 hours, there have been one, in the last 10 days eleven, in the past 30 days thirty-six and in the last 365 days five hundred and thirteen earthquakes of magnitude 3.0 or greater that was reported 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 the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 70 km NW of Rincón, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -67.7178° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8003° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 70 km NW of Rincón, 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 2021-01-11 23:22:04 Time when the event occurred. UTC/GMT
Updated 2021-01-12 00:05:53 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 1 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 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4795 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 222 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 pr2021011020 Id of event.
Event Code 2021011020 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021011020, A comma-separated list of event ids that are associated to an event.

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