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Minor earthquake, 3.05 mag was detected near Isabela in Puerto Rico


Earthquake location 19.0565S, -67.0743WA minor earthquake with magnitude 3.05 (ml/mb) was reported 61 kilometers (38 miles) from Isabela in Puerto Rico on Friday. The earthquake occurred at a depth of 15 km (9 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 28/09/18 / 2018-09-28 05:22:53 / September 28, 2018 @ 5:22 am. Exact location of earthquake, -67.0743° West, 19.0565° North, depth 15 km. Event id: pr2018271002. Ids that are associated to the earthquake: pr2018271002. The 3.05-magnitude earthquake was detected at 01:22:53 / 1:22 am (local time epicenter).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 75 km (47 miles) from Arecibo (c. 49 300 pop), 70 km (44 miles) from Aguadilla (c. 16 100 pop), 62 km (39 miles) from Isabela (c. 12 500 pop), 69 km (43 miles) from Hatillo (c. 5 600 pop), 66 km (41 miles) from Quebradillas (c. 5 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Aguada, Arecibo, Moca (min 5000 pop).

Each 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. In the past 24 hours, there have been four, in the last 10 days twelve, in the past 30 days thirty-two and in the last 365 days two hundred and ninety-nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 61 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.05 mb The magnitude for the event.
Longitude -67.0743° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0565° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15 km Depth of the event in kilometers.
Place 61km N of Isabela, 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 2018-09-28 05:22:53 Time when the event occurred. UTC/GMT
Updated 2018-09-28 08:43:55 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 143 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5902 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 313 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 pr2018271002 Id of event.
Event Code 2018271002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018271002, A comma-separated list of event ids that are associated to an event.

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