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Minor earthquake: M3 quake has struck near Maria Antonia in Puerto Rico


Earthquake location 17.8644S, -66.8331WA minor earthquake with magnitude 3 (ml/mb) was reported 13 kilometers (8 miles) from Maria Antonia in Puerto Rico on Wednesday. The temblor was detected at 21:40:16 / 9:40 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 23/01/20 / 2020-01-23 01:40:16 / January 23, 2020 @ 1:40 am. The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us60007den. Id of event: us60007den. Exact location, longitude -66.8331° West, latitude 17.8644° North, depth = 10 km.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 28 km (18 miles) from Ponce (c. 152 600 pop), 50 km (31 miles) from Mayagüez (c. 78 600 pop), 69 km (43 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 77 km (48 miles) from Guayama (c. 21 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Naranjito, Guayama, Corozal.

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days three hundred and fourty-one, in the past 30 days seven hundred and one and in the last 365 days seven hundred and fourty-five earthquakes of magnitude 3.0 or greater that was reported nearby.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 13 km SSE of Maria Antonia, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.8331° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8644° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 13km SSE of Maria Antonia, 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 2020-01-23 01:40:16 Time when the event occurred. UTC/GMT
Updated 2020-01-23 01:48:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 139 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.159 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 213 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us60007den Id of event.
Event Code 60007den An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007den, A comma-separated list of event ids that are associated to an event.

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