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Minor earthquake: M3 quake has struck near San Juan in Puerto Rico



Earthquake location 19.1315S, -66.0248WA minor earthquake magnitude 3 (ml/mb) strikes 74 kilometers (46 miles) from San Juan in Puerto Rico on Friday. The earthquake occurred at a depth of 36 km (22 miles) below the earth’s surface. Exact location of earthquake, longitude -66.0248 West, latitude 19.1315 North, depth = 36 km. Event id: pr17027005. Ids that are associated to the earthquake: pr17027005. The 3-magnitude earthquake was detected at 07:35:12 / 7:35 am (local time epicenter). Exact time and date of earthquake 27/01/17 / 2017-01-27 11:35:12 / January 27, 2017 @ 11:35 am UTC/GMT.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 74 km (46 miles) from San Juan (c. 418 100 pop), 78 km (48 miles) from Levittown (c. 29 800 pop), 77 km (48 miles) from Cataño (c. 28 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Levittown, Cataño, San Juan.

In the past 24 hours, there have been four, in the last 10 days thirteen, in the past 30 days thirty and in the last 365 days two hundred and eleven 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. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel it?

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. 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: 74 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.0248° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1315° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36 km Depth of the event in kilometers.
Place 74km 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 2017-01-27 11:35:12 Time when the event occurred. UTC/GMT
Updated 2017-01-27 16:59:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 138 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8695692 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 327.6 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 pr17027005 Id of event.
Event Code 17027005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17027005, A comma-separated list of event ids that are associated to an event.

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