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Light earthquake 4.3 mag, 76 km NNE of Luquillo, Puerto Rico

Earthquake location 19.0119S, -65.43WA light earthquake magnitude 4.3 (ml/mb) has struck on Sunday, 76 kilometers (47 miles) from Luquillo in Puerto Rico. Event ids that are associated to the earthquake: pr16248034, at00oczv8e. Id of event: pr16248034. The 4.3-magnitude earthquake was detected at 15:24:18 / 3:24 pm (local time epicenter). Exact location of earthquake, -65.43° West, 19.0119° North, depth 39 km. Exact time and date of earthquake 04/09/16 / 2016-09-04 19:24:18 / September 4, 2016 @ 7:24 pm UTC/GMT. A tsunami warning has been issued near Luquillo in Puerto Rico (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 39 km (24 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Charlotte Amalie, Carolina, Canovanas (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop). Earthquake epicenter was 89 km (56 miles) from Carolina (c. 170 400 pop), 80 km (50 miles) from Fajardo (c. 34 100 pop), 91 km (57 miles) from Charlotte Amalie (c. 20 000 pop), 82 km (51 miles) from Río Grande (c. 13 500 pop), 86 km (54 miles) from Canovanas (c. 8 400 pop), 77 km (48 miles) from Luquillo (c. 8 300 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days fifteen, in the past 30 days twenty-five and in the last 365 days five hundred and thirty earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

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. 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: 76 km NNE of Luquillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -65.43° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0119° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39 km Depth of the event in kilometers.
Place 76km NNE of Luquillo, 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 2016-09-04 19:24:18 Time when the event occurred. UTC/GMT
Updated 2016-09-04 19:38:00 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 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 284 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,at, A comma-separated list of network contributors.
Number of Stations Used 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.71056739 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151.2 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 pr16248034 Id of event.
Event Code 16248034 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16248034,at00oczv8e, A comma-separated list of event ids that are associated to an event.

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