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Minor earthquake, 2.99 mag has occurred near San Antonio in Puerto Rico

Posted by admin on April 18, 2018 0 Comments

Earthquake location 18.8403S, -67.3731WA minor earthquake magnitude 2.99 (ml/mb) has struck on Wednesday, 48 kilometers (30 miles) from San Antonio in Puerto Rico. The 2.99-magnitude earthquake was detected at 05:02:11 / 5:02 am (local time epicenter). The earthquake occurred at a depth of 47 km (29 miles). All ids that are associated to the event: pr2018108005. Unique identifier: pr2018108005. Exact location of event, depth 47 km, -67.3731° West, 18.8403° North. Global date and time of event UTC/GMT: 18/04/18 / 2018-04-18 09:02:11 / April 18, 2018 @ 9:02 am.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Las Marías, Mayagüez, Hatillo. Epicenter of the earthquake was 75 km (47 miles) from Mayagüez (c. 78 600 pop), 51 km (32 miles) from Aguadilla (c. 16 100 pop), 53 km (33 miles) from Isabela (c. 12 500 pop), 69 km (43 miles) from San Sebastián (c. 11 600 pop), 67 km (41 miles) from Añasco (c. 6 100 pop).

In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days thirty-four and in the last 365 days three hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 48 km NW of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.99 mb The magnitude for the event.
Longitude -67.3731° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8403° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 47 km Depth of the event in kilometers.
Place 48km 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 2018-04-18 09:02:11 Time when the event occurred. UTC/GMT
Updated 2018-04-18 09:43:14 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 138 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4556 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 281 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 pr2018108005 Id of event.
Event Code 2018108005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018108005, A comma-separated list of event ids that are associated to an event.

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