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Minor earthquake 2.87 mag, 29 km NNE of Culebra, Puerto Rico



Earthquake location 18.5513S, -65.207WA minor earthquake magnitude 2.87 (ml/mb) has struck on Thursday, 29 kilometers (18 miles) from Culebra in Puerto Rico. Event ids that are associated to the earthquake: pr2017208008. Id of event: pr2017208008. Exact location of event, depth 94 km, -65.207° West, 18.5513° North. The temblor was picked up at 16:29:49 / 4:29 pm (local time epicenter). Exact time and date of earthquake 27/07/17 / 2017-07-27 20:29:49 / July 27, 2017 @ 8:29 pm UTC/GMT. The epicenter of the earthquake was roughly 94 km (58 miles) below the earth’s surface.

Close country/countries, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Santa Barbara, Canovanas, San Isidro (min 5000 pop). Event epicenter was 53 km (33 miles) from Fajardo (c. 34 100 pop), 65 km (40 miles) from Tortola (c. 23 900 pop), 37 km (23 miles) from Charlotte Amalie (c. 20 000 pop), 69 km (43 miles) from Río Grande (c. 13 500 pop), 51 km (32 miles) from Isabel Segunda (c. 9 300 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days fourty and in the last 365 days four hundred and sixty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby.

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: 29 km NNE of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -65.207° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5513° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 94 km Depth of the event in kilometers.
Place 29km NNE 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 2017-07-27 20:29:49 Time when the event occurred. UTC/GMT
Updated 2017-07-27 23:57:40 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 127 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2552 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 pr2017208008 Id of event.
Event Code 2017208008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017208008, A comma-separated list of event ids that are associated to an event.

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