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Minor earthquake, 2.91 mag has occurred near Stella in Puerto Rico


Earthquake location 18.2386S, -67.3018WA minor earthquake magnitude 2.91 (ml/mb) has occurred on Monday, 10 kilometers (6 miles) from Stella in Puerto Rico. Exact time and date of earthquake 21/01/19 / 2019-01-21 10:13:29 / January 21, 2019 @ 10:13 am UTC/GMT. The earthquake occurred at a depth of 85 km (53 miles). Exact location of earthquake, -67.3018° West, 18.2386° North, depth 85 km. The temblor was picked up at 06:13:29 / 6:13 am (local time epicenter). All ids that are associated to the event: pr2019021004. Unique identifier: pr2019021004.

Epicenter of the event was 77 km (48 miles) from Ponce (c. 152 600 pop), 18 km (11 miles) from Mayagüez (c. 78 600 pop), 67 km (42 miles) from Arecibo (c. 49 300 pop), 53 km (33 miles) from Yauco (c. 20 300 pop), 62 km (38 miles) from Adjuntas (c. 19 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ponce, Jayuya, Arecibo. Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days twenty-three and in the last 365 days two hundred and ninety-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 10 km SSW of Stella, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -67.3018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2386° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 85 km Depth of the event in kilometers.
Place 10km SSW of Stella, 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 2019-01-21 10:13:29 Time when the event occurred. UTC/GMT
Updated 2019-01-21 11:57:51 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 130 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 0.2249 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 170 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 pr2019021004 Id of event.
Event Code 2019021004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019021004, A comma-separated list of event ids that are associated to an event.

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