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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.46 mag strikes near San Antonio in Puerto Rico

Earthquake location 18.8795S, -67.6888WA minor earthquake with magnitude 3.46 (ml/mb) was reported 73 kilometers (45 miles) from San Antonio in Puerto Rico on Sunday. Event id: pr2020124025. Ids that are associated to the earthquake: pr2020124025, us700099ap. The temblor was picked up at 06:17:03 / 6:17 am (local time epicenter). Exact time and date of event in UTC/GMT: 03/05/20 / 2020-05-03 11:17:03 / May 3, 2020 @ 11:17 am. The epicenter was at a depth of 4 km (2 miles). Exact location of event, depth 4 km, -67.6888° West, 18.8795° North.

The epicenter was 82 km (51 miles) from Punta Cana (c. 100 000 pop), 75 km (47 miles) from Aguadilla (c. 16 100 pop), 82 km (51 miles) from Isabela (c. 12 500 pop), 81 km (50 miles) from Moca (c. 5 000 pop), 77 km (48 miles) from Aguada (c. 4 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Punta Cana, Isabela, Moca (min 5000 pop). Country/countries that might be effected, Dominican Republic (c. 9 824 000 pop), Puerto Rico (c. 3 917 000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been twenty-one, in the last 10 days fourty-four, in the past 30 days seventy-seven and in the last 365 days one thousand and sixty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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: 73 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.46 mb The magnitude for the event.
Longitude -67.6888° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8795° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4 km Depth of the event in kilometers.
Place 73km NW 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 2020-05-03 11:17:03 Time when the event occurred. UTC/GMT
Updated 2020-05-06 16:48:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 184 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 0.5376 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 pr2020124025 Id of event.
Event Code 2020124025 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020124025,us700099ap, A comma-separated list of event ids that are associated to an event.

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