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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.4 mag, 45 km N of San Juan, Puerto Rico


Earthquake location 18.8803S, -66.0938WA minor earthquake magnitude 3.4 (ml/mb) has struck on Wednesday, 45 kilometers (28 miles) from San Juan in Puerto Rico. Exact time and date of earthquake 23/03/16 / 2016-03-23 11:20:25 / March 23, 2016 @ 11:20 am UTC/GMT. Exact location of earthquake, longitude -66.0938 West, latitude 18.8803 North, depth = 26 km. All ids that are associated to the event: pr16083001. Unique identifier: pr16083001. The epicenter was at a depth of 26 km (16 miles). The temblor was reported at 07:20:25 / 7:20 am (local time epicenter).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 46 km (29 miles) from San Juan (c. 418 100 pop), 54 km (34 miles) from Bayamón (c. 203 500 pop), 57 km (36 miles) from Carolina (c. 170 400 pop), 72 km (45 miles) from Caguas (c. 86 800 pop), 58 km (36 miles) from Guaynabo (c. 81 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Naguabo, Ceiba, Las Piedras.

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days twenty-one and in the last 365 days five hundred and twenty-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 45 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -66.0938° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8803° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26 km Depth of the event in kilometers.
Place 45km N of San Juan, 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 2016-03-23 11:20:25 Time when the event occurred. UTC/GMT
Updated 2016-03-23 11:38:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 178 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.56773526 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 pr16083001 Id of event.
Event Code 16083001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16083001, A comma-separated list of event ids that are associated to an event.

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