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Minor earthquake, 2.81 mag strikes near Salinas in Puerto Rico


Earthquake location 17.8296S, -66.3141WA minor earthquake magnitude 2.81 (ml/mb) has struck on Thursday, 16 kilometers (10 miles) from Salinas in Puerto Rico. The temblor was reported at 05:21:58 / 5:21 am (local time epicenter). Exact location of earthquake, -66.3141° West, 17.8296° North, depth 3 km. Exact time and date of earthquake 04/05/17 / 2017-05-04 09:21:58 / May 4, 2017 @ 9:21 am UTC/GMT. The earthquake occurred at a depth of 3 km (2 miles) below the earth’s surface. Unique identifier: pr2017124005. Ids that are associated to the event: pr2017124005.

Nearest cities/city/villages to epicentrum/hypocenter was San Isidro, Santa Barbara, Canovanas (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 74 km (46 miles) from San Juan (c. 418 100 pop), 65 km (41 miles) from Bayamón (c. 203 500 pop), 72 km (45 miles) from Carolina (c. 170 400 pop), 38 km (23 miles) from Ponce (c. 152 600 pop), 53 km (33 miles) from Caguas (c. 86 800 pop).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days four and in the last 365 days eighty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes 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. 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: 16 km S of Salinas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -66.3141° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8296° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3 km Depth of the event in kilometers.
Place 16km S of Salinas, 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 2017-05-04 09:21:58 Time when the event occurred. UTC/GMT
Updated 2017-05-04 23:08:06 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.22 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 213 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 pr2017124005 Id of event.
Event Code 2017124005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017124005, A comma-separated list of event ids that are associated to an event.

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