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Minor earthquake, 3.1 mag was detected near Isabela in Puerto Rico


Earthquake location 19.0809S, -67.2041WA minor earthquake magnitude 3.1 (ml/mb) strikes 66 kilometers (41 miles) from Isabela in Puerto Rico on Monday. Date and time of earthquake in UTC/GMT: 10/10/16 / 2016-10-10 08:48:54 / October 10, 2016 @ 8:48 am. The 3.1-magnitude earthquake has occurred at 04:48:54 / 4:48 am (local time epicenter). Exact location, longitude -67.2041° West, latitude 19.0809° North, depth = 53 km. The epicenter was at a depth of 53 km (33 miles). All ids that are associated to the event: pr16284004. Unique identifier: pr16284004.

Closest city/cities/towns to epicentrum/hypocenter was Aguada, Hatillo, Moca (min 5000 pop). The epicenter was 73 km (45 miles) from Aguadilla (c. 16 100 pop), 67 km (42 miles) from Isabela (c. 12 500 pop), 77 km (48 miles) from Hatillo (c. 5 600 pop), 73 km (45 miles) from Quebradillas (c. 5 600 pop), 77 km (48 miles) from Moca (c. 5 000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor quakes 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 one, in the last 10 days five, in the past 30 days twenty and in the last 365 days two hundred and ten earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 66 km NNW of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.2041° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0809° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53 km Depth of the event in kilometers.
Place 66km NNW 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 2016-10-10 08:48:54 Time when the event occurred. UTC/GMT
Updated 2016-10-10 12:22:13 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 148 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.61534597 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 234 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 pr16284004 Id of event.
Event Code 16284004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16284004, A comma-separated list of event ids that are associated to an event.

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