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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near San Antonio in Puerto Rico

Earthquake location 19.028S, -67.24WA light earthquake magnitude 4.3 (ml/mb) has struck on Sunday, 61 kilometers (38 miles) from San Antonio in Puerto Rico. Exact time and date of earthquake 27/10/19 / 2019-10-27 13:48:44 / October 27, 2019 @ 1:48 pm UTC/GMT. Id of earthquake: pt19300001. Event ids that are associated: pt19300001. Exact location of earthquake, -67.24° West, 19.028° North, depth 21.5 km. The epicenter was at a depth of 21.5 km (13 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake was detected at 09:48:44 / 9:48 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Mayagüez, Las Marías, Lares (min 5000 pop). Event epicenter was 93 km (58 miles) from Mayagüez (c. 78 600 pop), 83 km (51 miles) from Arecibo (c. 49 300 pop), 67 km (42 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 81 km (50 miles) from San Sebastián (c. 11 600 pop), 90 km (56 miles) from Lares (c. 7 200 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been three, in the last 10 days thirty-three, in the past 30 days two hundred and thirty-six and in the last 365 days seven hundred and thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 61 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -67.24° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.028° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.5 km Depth of the event in kilometers.
Place 61km NNW 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 2019-10-27 13:48:44 Time when the event occurred. UTC/GMT
Updated 2019-10-27 13:53:41 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 284 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205.199983584 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 pt19300001 Id of event.
Event Code 19300001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt19300001, A comma-separated list of event ids that are associated to an event.

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