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Light earthquake, 4 mag strikes near Stella in Puerto Rico


Earthquake location 18.3229S, -67.2399WA light earthquake magnitude 4 (ml/mb) has struck on Saturday, 0 kilometers (0 miles) from Stella in Puerto Rico. The 4-magnitude earthquake has occurred at 04:29:49 / 4:29 am (local time epicenter). Event ids that are associated to the earthquake: at00o6ssxr, pr16128000. Id of event: pr16128000. The earthquake was roughly at a depth of 19 km (12 miles). A tsunami warning has been issued near Stella in Puerto Rico (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 07/05/16 / 2016-05-07 08:29:49 / May 7, 2016 @ 8:29 am. Exact location, longitude -67.2399° West, latitude 18.3229° North, depth = 19 km.

Closest city/cities/towns to epicentrum/hypocenter was Morovis, Juana Díaz, Villalba (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 75 km (46 miles) from Ponce (c. 152 600 pop), 17 km (11 miles) from Mayagüez (c. 78 600 pop), 58 km (36 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Barceloneta (c. 22 300 pop), 52 km (32 miles) from Yauco (c. 20 300 pop), 57 km (36 miles) from Adjuntas (c. 19 500 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eight and in the last 365 days two hundred and seventy earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 0 km E of Stella, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -67.2399° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3229° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place 0km E of Stella, 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 2016-05-07 08:29:49 Time when the event occurred. UTC/GMT
Updated 2016-05-07 08:40:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.9 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 1 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 248 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 ,at,pr, A comma-separated list of network contributors.
Number of Stations Used 29 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.14013718 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230.4 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 pr16128000 Id of event.
Event Code 16128000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00o6ssxr,pr16128000, A comma-separated list of event ids that are associated to an event.

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