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Minor earthquake: M2.8 quake has struck near Guánica in Puerto Rico


Earthquake location 17.946S, -66.9148WA minor earthquake with magnitude 2.8 (ml/mb) was reported 2 kilometers (1 miles) from Guánica in Puerto Rico on Tuesday. Exact location of earthquake, longitude -66.9148 West, latitude 17.946 North, depth = 13 km. The 2.8-magnitude earthquake was detected at 19:43:59 / 7:43 pm (local time epicenter). Global date and time of event UTC/GMT: 28/07/20 / 2020-07-28 19:43:59 / July 28, 2020 @ 7:43 pm. The earthquake was roughly at a depth of 13 km (8 miles). Id of earthquake: pr2020210004. Event ids that are associated: pr2020210004.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Corozal, Aibonito, Manatí. Earthquake epicenter was 33 km (20 miles) from Ponce (c. 152 600 pop), 37 km (23 miles) from Mayagüez (c. 78 600 pop), 62 km (39 miles) from Arecibo (c. 49 300 pop), 69 km (43 miles) from Barceloneta (c. 22 300 pop), 12 km (7 miles) from Yauco (c. 20 300 pop).

In the past 24 hours, there have been four, in the last 10 days thirty-seven, in the past 30 days two hundred and twenty and in the last 365 days two thousand, five hundred and twelve earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 2 km SSW of Guánica, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9148° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.946° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 2 km SSW of Guánica, 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 2020-07-28 19:43:59 Time when the event occurred. UTC/GMT
Updated 2020-07-28 20:11:52 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 121 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.046 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 193 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 pr2020210004 Id of event.
Event Code 2020210004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020210004, A comma-separated list of event ids that are associated to an event.

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