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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.21 mag, 14 km SSE of Guanica, Puerto Rico


Earthquake location 17.8506S, -66.8488WA minor earthquake magnitude 3.21 (ml/mb) has struck on Monday, 14 kilometers (9 miles) from Guanica in Puerto Rico. Exact location of earthquake, longitude -66.8488 West, latitude 17.8506 North, depth = 10 km. Id of earthquake: pr2020013043. Event ids that are associated: pr2020013043. The temblor was detected at 00:07:15 / 12:07 am (local time epicenter). Date and time of earthquake in UTC/GMT: 13/01/20 / 2020-01-13 04:07:15 / January 13, 2020 @ 4:07 am. The earthquake occurred at a depth of 10 km (6 miles).

Closest city/cities/towns to epicentrum/hypocenter was Guayama, Corozal, Cayey (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 31 km (19 miles) from Ponce (c. 152 600 pop), 50 km (31 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Barceloneta (c. 22 300 pop), 79 km (49 miles) from Guayama (c. 21 600 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one hundred and sixty-five, in the last 10 days four hundred and fourty-one, in the past 30 days five hundred and two and in the last 365 days five hundred and fourty-one 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.

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 14 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.21 mb The magnitude for the event.
Longitude -66.8488° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8506° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 14km SSE of Guanica, 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 2020-01-13 04:07:15 Time when the event occurred. UTC/GMT
Updated 2020-01-16 23:29:11 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 159 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, A comma-separated list of network contributors.
Number of Stations Used 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1282 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 234 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 pr2020013043 Id of event.
Event Code 2020013043 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020013043, A comma-separated list of event ids that are associated to an event.

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