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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.73 quake has struck near Guánica in Puerto Rico


Earthquake location 17.9458S, -66.948WA minor earthquake magnitude 3.73 (ml/mb) has occurred on Sunday, 5 kilometers (3 miles) from Guánica in Puerto Rico. Exact time and date of earthquake 28/06/20 / 2020-06-28 21:43:57 / June 28, 2020 @ 9:43 pm UTC/GMT. Exact location of earthquake, longitude -66.948 West, latitude 17.9458 North, depth = 12 km. The epicenter was at a depth of 12 km (7 miles). The 3.73-magnitude earthquake was detected at 21:43:57 / 9:43 pm (local time epicenter). Event id: pr2020180029. Ids that are associated to the earthquake: us7000adwd, pr2020180029.

The epicenter was 36 km (22 miles) from Ponce (c. 152 600 pop), 35 km (22 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop), 81 km (50 miles) from Vega Baja (c. 29 300 pop), 71 km (44 miles) from Barceloneta (c. 22 300 pop), 14 km (9 miles) from Yauco (c. 20 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Cayey, Naranjito, Ceiba (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been thirty-two, in the last 10 days seventy-two, in the past 30 days one hundred and seventy-one and in the last 365 days two thousand, two hundred and ninety-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

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: 5 km SW of Guánica, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.73 mb The magnitude for the event.
Longitude -66.948° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9458° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 5 km SW 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 2020-06-28 21:43:57 Time when the event occurred. UTC/GMT
Updated 2020-06-28 22:29:34 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 25 The total number of felt reports
CDI 4.8 The maximum reported intensity for the event.
MMI 3.608 The maximum estimated instrumental intensity for the event.
Alert Level green 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 226 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 ,us,pr, A comma-separated list of network contributors.
Number of Stations Used 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0748 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 203 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 pr2020180029 Id of event.
Event Code 2020180029 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000adwd,pr2020180029, A comma-separated list of event ids that are associated to an event.

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