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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near San Antonio in Puerto Rico

Earthquake location 18.937S, -67.555WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 68 kilometers (42 miles) from San Antonio in Puerto Rico. The epicenter was at a depth of 0.1 km (0 miles). The temblor was picked up at 03:01:47 / 3:01 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -67.555 West, latitude 18.937 North, depth = 0.1 km. Unique identifier: pt20043001. Ids that are associated to the event: pt20043001. Global time and date of event 12/02/20 / 2020-02-12 08:01:47 / February 12, 2020 @ 8:01 am UTC/GMT.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Mayagüez, Hatillo, Camuy (min 5000 pop). The epicenter was 93 km (58 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Aguadilla (c. 16 100 pop), 74 km (46 miles) from Isabela (c. 12 500 pop), 89 km (56 miles) from San Sebastián (c. 11 600 pop), 85 km (53 miles) from Añasco (c. 6 100 pop), 92 km (57 miles) from Hatillo (c. 5 600 pop), 83 km (51 miles) from Quebradillas (c. 5 600 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days twenty-three, in the past 30 days ninety-two and in the last 365 days one thousand and thirty-two earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel the quake?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 68 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -67.555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.937° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.1 km Depth of the event in kilometers.
Place 68km 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 2020-02-12 08:01:47 Time when the event occurred. UTC/GMT
Updated 2020-02-12 08:08:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 312 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 10 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 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 pt20043001 Id of event.
Event Code 20043001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt20043001, A comma-separated list of event ids that are associated to an event.

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