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Minor earthquake, 2.94 mag was detected near Mayaguez in Puerto Rico


Earthquake location 18.2123S, -67.0888WA minor earthquake with magnitude 2.94 (ml/mb) was detected on Tuesday, 5 kilometers (3 miles) from Mayaguez in Puerto Rico. The temblor was reported at 21:16:27 / 9:16 pm (local time epicenter). Exact location, longitude -67.0888° West, latitude 18.2123° North, depth = 127 km. Exact time and date of earthquake 09/05/18 / 2018-05-09 01:16:27 / May 9, 2018 @ 1:16 am UTC/GMT. The earthquake was roughly at a depth of 127 km (79 miles). Id of earthquake: pr2018129001. Event ids that are associated: pr2018129001.

Event epicenter was 55 km (34 miles) from Ponce (c. 152 600 pop), 6 km (3 miles) from Mayagüez (c. 78 600 pop), 49 km (30 miles) from Arecibo (c. 49 300 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 64 km (40 miles) from Barceloneta (c. 22 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Coamo, Vega Baja, Santa Isabel (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 eight, in the past 30 days twenty and in the last 365 days two hundred and fourty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

How would you describe the shaking?

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 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: 5 km ENE of Mayaguez, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -67.0888° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2123° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 127 km Depth of the event in kilometers.
Place 5km ENE of Mayaguez, 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 2018-05-09 01:16:27 Time when the event occurred. UTC/GMT
Updated 2018-05-09 04:45:52 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 133 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0367 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 170 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 pr2018129001 Id of event.
Event Code 2018129001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018129001, A comma-separated list of event ids that are associated to an event.

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