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Minor earthquake 3.16 mag, 74 km N of Culebra, Puerto Rico



Earthquake location 18.9731S, -65.2086WA minor earthquake magnitude 3.16 (ml/mb) has struck on Monday, 74 kilometers (46 miles) from Culebra in Puerto Rico. Exact location of earthquake, -65.2086° West, 18.9731° North, depth 14 km. Event id: pr2017240003. Ids that are associated to the earthquake: pr2017240003. The earthquake was roughly at a depth of 14 km (9 miles). The temblor was detected at 01:40:34 / 1:40 am (local time epicenter). Exact time and date of event in UTC/GMT: 28/08/17 / 2017-08-28 05:40:34 / August 28, 2017 @ 5:40 am.

Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Charlotte Amalie, Culebra (min 5000 pop). Epicenter of the earthquake was 76 km (47 miles) from Charlotte Amalie (c. 20 000 pop), 75 km (47 miles) from Culebra (c. 1 500 pop).

In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days thirty-one and in the last 365 days four hundred and eighty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

How would you describe the shaking?

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 Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.16 mb The magnitude for the event.
Longitude -65.2086° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9731° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 74km N of Culebra, 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 2017-08-28 05:40:34 Time when the event occurred. UTC/GMT
Updated 2017-08-28 06:12:29 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 154 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9409 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 250 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 pr2017240003 Id of event.
Event Code 2017240003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017240003, A comma-separated list of event ids that are associated to an event.

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