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Minor earthquake: M3.16 quake has struck near Magas Arriba in Puerto Rico


Earthquake location 18.031S, -66.779WA minor earthquake magnitude 3.16 (ml/mb) strikes 1 kilometers (1 miles) from Magas Arriba in Puerto Rico on Tuesday. Event ids that are associated to the earthquake: us7000bczd, pr2020238011. Id of event: pr2020238011. Exact location of earthquake, longitude -66.779 West, latitude 18.031 North, depth = 5 km. The earthquake was roughly at a depth of 5 km (3 miles). The temblor was picked up at 22:05:53 / 10:05 pm (local time epicenter). Global time and date of event 25/08/20 / 2020-08-25 22:05:53 / August 25, 2020 @ 10:05 pm UTC/GMT.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 77 km (48 miles) from Bayamón (c. 203 500 pop), 18 km (11 miles) from Ponce (c. 152 600 pop), 80 km (50 miles) from Caguas (c. 86 800 pop), 79 km (49 miles) from Guaynabo (c. 81 400 pop), 43 km (26 miles) from Mayagüez (c. 78 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Caguas, Guaynabo, Levittown (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days twenty-two, in the past 30 days one hundred and two and in the last 365 days two thousand, six hundred and thirty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 1 km NW of Magas Arriba, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.16 mb The magnitude for the event.
Longitude -66.779° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.031° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 1 km NW of Magas Arriba, 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 2020-08-25 22:05:53 Time when the event occurred. UTC/GMT
Updated 2020-08-25 22:26:40 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 5.4 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 155 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1147 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 86 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 pr2020238011 Id of event.
Event Code 2020238011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bczd,pr2020238011, A comma-separated list of event ids that are associated to an event.

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