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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.69 mag, 14 km N of Isabel Segunda, Puerto Rico

Earthquake location 18.2838S, -65.4576WA minor earthquake with magnitude 3.69 (ml/mb) was reported 14 kilometers (9 miles) from Isabel Segunda in Puerto Rico on Friday. Exact time and date of earthquake 04/09/20 / 2020-09-04 20:05:42 / September 4, 2020 @ 8:05 pm UTC/GMT. The 3.69-magnitude earthquake was detected at 20:05:42 / 8:05 pm (local time epicenter). Exact location of event, longitude -65.4576 West, latitude 18.2838 North, depth = 116 km. All ids that are associated to the event: pr2020248006, us7000bi2x. Unique identifier: pr2020248006. The epicenter was at a depth of 116 km (72 miles).

Closest city/cities/towns to epicentrum/hypocenter was Toa Baja, Toa Alta, Campanilla (min 5000 pop). The epicenter was 71 km (44 miles) from San Juan (c. 418 100 pop), 75 km (46 miles) from Bayamón (c. 203 500 pop), 54 km (33 miles) from Carolina (c. 170 400 pop), 63 km (39 miles) from Caguas (c. 86 800 pop), 69 km (43 miles) from Guaynabo (c. 81 400 pop), 59 km (36 miles) from Trujillo Alto (c. 54 200 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days eight and in the last 365 days one hundred and twenty-nine earthquakes of magnitude 3.0 or greater that has struck near.

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: 14 km N of Isabel Segunda, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.69 mb The magnitude for the event.
Longitude -65.4576° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2838° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 116 km Depth of the event in kilometers.
Place 14 km N of Isabel Segunda, 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 2020-09-04 20:05:42 Time when the event occurred. UTC/GMT
Updated 2020-09-05 00:27:56 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 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 210 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 ,pr,us, A comma-separated list of network contributors.
Number of Stations Used 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4161 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 322 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 pr2020248006 Id of event.
Event Code 2020248006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020248006,us7000bi2x, A comma-separated list of event ids that are associated to an event.

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