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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.28 mag strikes near Culebra in Puerto Rico


Earthquake location 19S, -65.3555WA minor earthquake with magnitude 3.28 (ml/mb) was detected on Sunday, 77 kilometers (48 miles) from Culebra in Puerto Rico. Event ids that are associated to the earthquake: pr2018140007. Id of event: pr2018140007. Exact time and date of earthquake 20/05/18 / 2018-05-20 21:13:56 / May 20, 2018 @ 9:13 pm UTC/GMT. The epicenter of the earthquake was roughly 28 km (17 miles) below the earth’s surface. The 3.28-magnitude earthquake has occurred at 17:13:56 / 5:13 pm (local time epicenter). Exact location of event, depth 28 km, -65.3555° West, 19° North.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 81 km (50 miles) from Fajardo (c. 34 100 pop), 79 km (49 miles) from Luquillo (c. 8 300 pop), 78 km (48 miles) from Culebra (c. 1 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Fajardo, Luquillo, Culebra.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days ten, in the past 30 days nineteen and in the last 365 days three hundred and eighty-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 77 km N of Culebra, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.28 mb The magnitude for the event.
Longitude -65.3555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28 km Depth of the event in kilometers.
Place 77km 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 2018-05-20 21:13:56 Time when the event occurred. UTC/GMT
Updated 2018-05-21 00:59:52 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 166 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9896 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 316 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 pr2018140007 Id of event.
Event Code 2018140007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018140007, A comma-separated list of event ids that are associated to an event.

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