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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.51 mag strikes near Guánica in Puerto Rico


Earthquake location 17.935S, -66.9113WA minor earthquake magnitude 3.51 (ml/mb) has occurred on Wednesday, 4 kilometers (2 miles) from Guánica in Puerto Rico. Date and time of earthquake in UTC/GMT: 29/07/20 / 2020-07-29 08:50:07 / July 29, 2020 @ 8:50 am. Event id: pr2020211001. Ids that are associated to the earthquake: us6000b5z3, pr2020211001. The 3.51-magnitude earthquake was detected at 08:50:07 / 8:50 am (local time epicenter). Exact location of event, longitude -66.9113 West, latitude 17.935 North, depth = 13 km. The epicenter of the earthquake was roughly 13 km (8 miles) below the earth’s surface.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 33 km (20 miles) from Ponce (c. 152 600 pop), 38 km (24 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Vega Baja (c. 29 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop), 13 km (8 miles) from Yauco (c. 20 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cidra, Ceiba, Naranjito.

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. 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 twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 4 km S of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.51 mb The magnitude for the event.
Longitude -66.9113° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.935° 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 08:50:07 Time when the event occurred. UTC/GMT
Updated 2020-07-29 09:35:07 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 9 The total number of felt reports
CDI 4.3 The maximum reported intensity for the event.
MMI 3.036 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 193 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 0.0514 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 207 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 pr2020211001 Id of event.
Event Code 2020211001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b5z3,pr2020211001, A comma-separated list of event ids that are associated to an event.

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