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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.4 quake has struck near Tallaboa in Puerto Rico


Earthquake location 17.9192S, -66.7079WA minor earthquake magnitude 3.4 (ml/mb) strikes 8 kilometers (5 miles) from Tallaboa in Puerto Rico on Thursday. Exact location of earthquake, longitude -66.7079 West, latitude 17.9192 North, depth = 10 km. The temblor was detected at 17:13:05 / 5:13 pm (local time epicenter). Global date and time of event UTC/GMT: 28/05/20 / 2020-05-28 17:13:05 / May 28, 2020 @ 5:13 pm. Event ids that are associated to the earthquake: us6000a154. Id of event: us6000a154. The earthquake occurred at a depth of 10 km (6 miles).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 79 km (49 miles) from Bayamón (c. 203 500 pop), 14 km (9 miles) from Ponce (c. 152 600 pop), 78 km (48 miles) from Caguas (c. 86 800 pop), 80 km (50 miles) from Guaynabo (c. 81 400 pop), 55 km (34 miles) from Mayagüez (c. 78 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Levittown, Guaynabo, Bayamón.

In the past 24 hours, there have been fourty-one, in the last 10 days eighty-two, in the past 30 days two hundred and fourty-nine and in the last 365 days two thousand, one hundred and seventeen 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. Every year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 8 km S of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -66.7079° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9192° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 8 km S of Tallaboa, 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 2020-05-28 17:13:05 Time when the event occurred. UTC/GMT
Updated 2020-06-02 20:36:20 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 The maximum reported intensity for the event.
MMI 2.589 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.068 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 204 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 us6000a154 Id of event.
Event Code 6000a154 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000a154, A comma-separated list of event ids that are associated to an event.

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