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Minor earthquake 2.8 mag, 74 km NW of San Antonio, Puerto Rico


Earthquake location 18.9631S, -67.6026WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Monday, 74 kilometers (46 miles) from San Antonio in Puerto Rico. The 2.8-magnitude earthquake has occurred at 16:31:21 / 4:31 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 29/06/20 / 2020-06-29 16:31:21 / June 29, 2020 @ 4:31 pm. Exact location of event, longitude -67.6026 West, latitude 18.9631 North, depth = 10 km. Event ids that are associated to the earthquake: us7000aefh. Id of event: us7000aefh. The earthquake occurred at a depth of 10 km (6 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Aguadilla (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). The epicenter was 76 km (47 miles) from Aguadilla (c. 16 100 pop).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days fourteen, in the past 30 days sixty-two and in the last 365 days one thousand, one hundred and twenty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. 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: 74 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -67.6026° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9631° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 74 km 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 2020-06-29 16:31:21 Time when the event occurred. UTC/GMT
Updated 2020-06-29 17:24:15 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.678 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us7000aefh Id of event.
Event Code 7000aefh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000aefh, A comma-separated list of event ids that are associated to an event.

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