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Minor earthquake 2.8 mag, 68 km N of Culebra, Puerto Rico


Earthquake location 18.9205S, -65.2353WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 68 kilometers (42 miles) from Culebra in Puerto Rico. The temblor was detected at 14:56:31 / 2:56 pm (local time epicenter). The epicenter of the earthquake was roughly 33.65 km (21 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 30/10/15 / 2015-10-30 18:56:31 / October 30, 2015 @ 6:56 pm. Exact location of event, depth 33.65 km, -65.2353° West, 18.9205° North. Id of earthquake: us2000410s. Event ids that are associated: us2000410s.

The epicenter was 72 km (45 miles) from Charlotte Amalie (c. 20 000 pop), 69 km (43 miles) from Culebra (c. 1 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Charlotte Amalie, Culebra (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 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 fourteen, in the last 10 days thirty-one, in the past 30 days sixty and in the last 365 days five hundred and eighty-nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 68 km N of Culebra, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.2353° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9205° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.65 km Depth of the event in kilometers.
Place 68km 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 2015-10-30 18:56:31 Time when the event occurred. UTC/GMT
Updated 2015-10-31 14:10:19 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.618 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 253 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 us2000410s Id of event.
Event Code 2000410s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000410s, A comma-separated list of event ids that are associated to an event.

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