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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.81 mag strikes near Guánica in Puerto Rico


Earthquake location 17.9313S, -66.9128WA minor earthquake magnitude 3.81 (ml/mb) has struck on Wednesday, 4 kilometers (2 miles) from Guánica in Puerto Rico. All ids that are associated to the event: us6000b5yw, pr2020211002. Unique identifier: pr2020211002. The epicenter was at a depth of 13 km (8 miles). The 3.81-magnitude earthquake has occurred at 08:45:56 / 8:45 am (local time epicenter). Exact location of earthquake, longitude -66.9128 West, latitude 17.9313 North, depth = 13 km. Exact time and date of earthquake 29/07/20 / 2020-07-29 08:45:56 / July 29, 2020 @ 8:45 am UTC/GMT.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Pájaros, Toa Alta, San Antonio. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 33 km (20 miles) from Ponce (c. 152 600 pop), 38 km (24 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 80 km (49 miles) from Vega Baja (c. 29 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop), 85 km (53 miles) from Guayama (c. 21 600 pop).

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

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 4 km S of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.81 mb The magnitude for the event.
Longitude -66.9128° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9313° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 4 km S 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 2020-07-29 08:45:56 Time when the event occurred. UTC/GMT
Updated 2020-07-29 09:31:19 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 24 The total number of felt reports
CDI 4.7 The maximum reported intensity for the event.
MMI 3.309 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 235 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 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0552 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2020211002 Id of event.
Event Code 2020211002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b5yw,pr2020211002, A comma-separated list of event ids that are associated to an event.

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