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Minor earthquake: M2.81 quake has struck near San Antonio in Puerto Rico

Posted by admin on October 30, 2018 0 Comments

Earthquake location 18.792S, -67.4886WA minor earthquake with magnitude 2.81 (ml/mb) was detected on Monday, 52 kilometers (32 miles) from San Antonio in Puerto Rico. Unique identifier: pr2018303000. Ids that are associated to the event: pr2018303000. Exact location of event, longitude -67.4886 West, latitude 18.792 North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 30/10/18 / 2018-10-30 00:51:38 / October 30, 2018 @ 12:51 am. The temblor was picked up at 20:51:38 / 8:51 pm (local time epicenter).

The epicenter was 75 km (47 miles) from Mayagüez (c. 78 600 pop), 54 km (33 miles) from Aguadilla (c. 16 100 pop), 59 km (36 miles) from Isabela (c. 12 500 pop), 73 km (45 miles) from San Sebastián (c. 11 600 pop), 68 km (42 miles) from Añasco (c. 6 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Camuy, Mayagüez, San Sebastián.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days thirty-one and in the last 365 days four hundred and six earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 52 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -67.4886° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.792° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 52km 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 2018-10-30 00:51:38 Time when the event occurred. UTC/GMT
Updated 2018-10-30 03:06:28 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 pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4977 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 334 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 pr2018303000 Id of event.
Event Code 2018303000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018303000, A comma-separated list of event ids that are associated to an event.

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