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Minor earthquake, 3.13 mag has occurred near Rincon in Puerto Rico



Earthquake location 18.1486S, -67.8473WA minor earthquake magnitude 3.13 (ml/mb) has struck on Friday, 66 kilometers (41 miles) from Rincon in Puerto Rico. Exact time and date of earthquake 21/07/17 / 2017-07-21 20:02:49 / July 21, 2017 @ 8:02 pm UTC/GMT. Event id: pr2017202002. Ids that are associated to the earthquake: pr2017202002. Exact location, longitude -67.8473° West, latitude 18.1486° North, depth = 71 km. The earthquake was roughly at a depth of 71 km (44 miles). The 3.13-magnitude earthquake has occurred at 15:02:49 / 3:02 pm (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Aguadilla, Añasco, Hormigueros (min 5000 pop). Country/countries that might be effected, Dominican Republic (c. 9 824 000 pop), Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 76 km (47 miles) from Punta Cana (c. 100 000 pop), 75 km (47 miles) from Mayagüez (c. 78 600 pop), 79 km (49 miles) from Aguadilla (c. 16 100 pop), 76 km (47 miles) from Hormigueros (c. 11 900 pop), 74 km (46 miles) from Cabo Rojo (c. 10 800 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days eleven, in the past 30 days thirty and in the last 365 days two hundred and twenty-three earthquakes of magnitude 3.0 or greater that was reported 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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 66 km WSW of Rincon, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.13 mb The magnitude for the event.
Longitude -67.8473° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.1486° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71 km Depth of the event in kilometers.
Place 66km WSW of Rincon, 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 2017-07-21 20:02:49 Time when the event occurred. UTC/GMT
Updated 2017-07-22 00:22:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 151 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6471 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 204 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 pr2017202002 Id of event.
Event Code 2017202002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017202002, A comma-separated list of event ids that are associated to an event.

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