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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.97 mag has occurred near Guanica in Puerto Rico


Earthquake location 17.9201S, -66.8791WA minor earthquake with magnitude 3.97 (ml/mb) was detected on Thursday, 18 kilometers (11 miles) from Guanica in Puerto Rico. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: pr2020030000. Ids that are associated to the earthquake: us60007js8, pr2020030000. Date and time of earthquake in UTC/GMT: 30/01/20 / 2020-01-30 04:59:48 / January 30, 2020 @ 4:59 am. The temblor was detected at 00:59:48 / 12:59 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -66.8791 West, latitude 17.9201 North, depth = 10 km.

Nearest cities/city/towns to hypocenter/epicentrum was Aguas Buenas, Ingenio, Candelaria Arenas (min 5000 pop). Earthquake epicenter was 30 km (19 miles) from Ponce (c. 152 600 pop), 42 km (26 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 69 km (43 miles) from Barceloneta (c. 22 300 pop), 81 km (50 miles) from Guayama (c. 21 600 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been fifteen, in the last 10 days two hundred and eighteen, in the past 30 days eight hundred and sixty-three and in the last 365 days nine hundred and fifty-two 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. Every year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 18 km SSE of Guanica, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.97 mb The magnitude for the event.
Longitude -66.8791° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9201° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 18km 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 2020-01-30 04:59:48 Time when the event occurred. UTC/GMT
Updated 2020-01-30 05:25:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 24 The total number of felt reports
CDI 4.6 The maximum reported intensity for the event.
MMI 3.073 The maximum estimated instrumental intensity for the event.
Alert Level green 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 254 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 ,us,pr, A comma-separated list of network contributors.
Number of Stations Used 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.055 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 pr2020030000 Id of event.
Event Code 2020030000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007js8,pr2020030000, A comma-separated list of event ids that are associated to an event.

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