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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.52 mag strikes near San Antonio in Puerto Rico

Earthquake location 19.1963S, -67.2506WA minor earthquake with magnitude 3.52 (ml/mb) was reported 80 kilometers (50 miles) from San Antonio in Puerto Rico on Thursday. The epicenter was at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 07/05/20 / 2020-05-07 07:40:20 / May 7, 2020 @ 7:40 am. All ids that are associated to the event: pr2020128013, us70009bku. Unique identifier: pr2020128013. Exact location of event, longitude -67.2506 West, latitude 19.1963 North, depth = 10 km. The temblor was detected at 03:40:20 / 3:40 am (local time epicenter).

Epicenter of the earthquake was 81 km (50 miles) from Isabela (c. 12 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Isabela (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-three, in the last 10 days fifty-eight, in the past 30 days ninety-six and in the last 365 days one thousand and fifty-seven earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes 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. 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: 80 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.52 mb The magnitude for the event.
Longitude -67.2506° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1963° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 80km NNW of San Antonio, 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 2020-05-07 07:40:20 Time when the event occurred. UTC/GMT
Updated 2020-05-12 08:09:16 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 191 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.742 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 201 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 pr2020128013 Id of event.
Event Code 2020128013 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020128013,us70009bku, A comma-separated list of event ids that are associated to an event.

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