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Minor earthquake 2.8 mag, 4 km SE of Maria Antonia, Puerto Rico


Earthquake location 17.947S, -66.8618WA minor earthquake magnitude 2.8 (ml/mb) has struck on Tuesday, 4 kilometers (2 miles) from Maria Antonia in Puerto Rico. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The 2.8-magnitude earthquake has occurred at 22:04:02 / 10:04 pm (local time epicenter). Exact location of earthquake, -66.8618° West, 17.947° North, depth 10 km. Unique identifier: us60007eaa. Ids that are associated to the event: us60007eaa. Date and time of earthquake in UTC/GMT: 08/01/20 / 2020-01-08 02:04:02 / January 8, 2020 @ 2:04 am.

Earthquake epicenter was 27 km (17 miles) from Ponce (c. 152 600 pop), 41 km (25 miles) from Mayagüez (c. 78 600 pop), 60 km (38 miles) from Arecibo (c. 49 300 pop), 75 km (46 miles) from Vega Baja (c. 29 300 pop), 66 km (41 miles) from Barceloneta (c. 22 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was Vega Alta, Naranjito, Cayey (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been six hundred and thirty-one, in the last 10 days seven hundred and five, in the past 30 days seven hundred and thirty-six and in the last 365 days seven hundred and ninety-seven earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1,300,000 minor quakes in the world.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 4 km SE of Maria Antonia, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.8618° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.947° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 4km SE 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 2020-01-08 02:04:02 Time when the event occurred. UTC/GMT
Updated 2020-01-24 00:06:11 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 121 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 0.175 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us60007eaa Id of event.
Event Code 60007eaa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007eaa, A comma-separated list of event ids that are associated to an event.

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