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Minor earthquake: M2.85 quake has struck near Stella in Puerto Rico

Posted by admin on August 31, 2019 0 Comments

Earthquake location 18.1711S, -67.6385WA minor earthquake magnitude 2.85 (ml/mb) strikes 44 kilometers (27 miles) from Stella in Puerto Rico on Saturday. Unique identifier: pr2019243006. Ids that are associated to the event: pr2019243006. Exact location, longitude -67.6385° West, latitude 18.1711° North, depth = 5 km. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. The 2.85-magnitude earthquake has occurred at 04:45:07 / 4:45 am (local time epicenter). Exact time and date of earthquake 31/08/19 / 2019-08-31 09:45:07 / August 31, 2019 @ 9:45 am UTC/GMT.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 53 km (33 miles) from Mayagüez (c. 78 600 pop), 59 km (36 miles) from Aguadilla (c. 16 100 pop), 74 km (46 miles) from Isabela (c. 12 500 pop), 64 km (39 miles) from San Germán (c. 12 100 pop), 54 km (34 miles) from Hormigueros (c. 11 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Isabela, Sabana Grande, San Sebastián.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days sixteen and in the last 365 days two hundred and sixty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 44 km WSW of Stella, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -67.6385° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.1711° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 44km WSW 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 2019-08-31 09:45:07 Time when the event occurred. UTC/GMT
Updated 2019-08-31 10:37:59 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 125 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2663 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 pr2019243006 Id of event.
Event Code 2019243006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019243006, A comma-separated list of event ids that are associated to an event.

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