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Minor earthquake: M3.08 quake has struck near Guánica in Puerto Rico

Earthquake location 17.9325S, -66.9555WA minor earthquake magnitude 3.08 (ml/mb) has occurred on Sunday, 6 kilometers (4 miles) from Guánica in Puerto Rico. The earthquake occurred at a depth of 11 km (7 miles) below the earth’s surface. All ids that are associated to the event: us7000adjn, pr2020180020. Unique identifier: pr2020180020. The 3.08-magnitude earthquake was detected at 08:15:55 / 8:15 am (local time epicenter). Exact time and date of earthquake 28/06/20 / 2020-06-28 08:15:55 / June 28, 2020 @ 8:15 am UTC/GMT. Exact location, longitude -66.9555° West, latitude 17.9325° North, depth = 11 km.

Closest city/cities/towns to epicentrum/hypocenter was Aibonito, Barranquitas, Coco (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 37 km (23 miles) from Ponce (c. 152 600 pop), 36 km (22 miles) from Mayagüez (c. 78 600 pop), 65 km (40 miles) from Arecibo (c. 49 300 pop), 73 km (45 miles) from Barceloneta (c. 22 300 pop), 16 km (10 miles) from Yauco (c. 20 300 pop).

In the past 24 hours, there have been thirty, in the last 10 days sixty-nine, in the past 30 days one hundred and seventy-one and in the last 365 days two thousand, two hundred and eighty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Did you feel the quake?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km SW of Guánica, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.08 mb The magnitude for the event.
Longitude -66.9555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9325° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 6 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 08:15:55 Time when the event occurred. UTC/GMT
Updated 2020-06-28 19:33:36 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 146 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0874 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 pr2020180020 Id of event.
Event Code 2020180020 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000adjn,pr2020180020, A comma-separated list of event ids that are associated to an event.

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