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


Earthquake location 18.7392S, -67.577WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 56 kilometers (35 miles) from Aguadilla in Puerto Rico. The earthquake occurred at a depth of 11 km (7 miles) below the earth’s surface. Id of earthquake: pr16180001. Event ids that are associated: pr16180001. Date and time of earthquake in UTC/GMT: 28/06/16 / 2016-06-28 07:09:24 / June 28, 2016 @ 7:09 am. The 3.1-magnitude earthquake has occurred at 02:09:24 / 2:09 am (local time epicenter). Exact location of earthquake, longitude -67.577 West, latitude 18.7392 North, depth = 11 km.

Earthquake epicenter was 76 km (47 miles) from Mayagüez (c. 78 600 pop), 56 km (35 miles) from Aguadilla (c. 16 100 pop), 64 km (40 miles) from Isabela (c. 12 500 pop), 76 km (47 miles) from San Sebastián (c. 11 600 pop), 69 km (43 miles) from Añasco (c. 6 100 pop). Closest city/cities/towns to epicentrum/hypocenter was San Sebastián, Mayagüez, Quebradillas (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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 seven, in the past 30 days thirty and in the last 365 days three hundred and twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel the quake?

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 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: 56 km NW of Aguadilla, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.577° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7392° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 56km NW of Aguadilla, 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 2016-06-28 07:09:24 Time when the event occurred. UTC/GMT
Updated 2016-06-28 08:09:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.36381769 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 298.8 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 pr16180001 Id of event.
Event Code 16180001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16180001, A comma-separated list of event ids that are associated to an event.

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