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Minor earthquake, 3.17 mag has occurred near Isabela in Puerto Rico



Earthquake location 19.4985S, -67.0776WA minor earthquake with magnitude 3.17 (ml/mb) was detected on Wednesday, 110 km N of Isabela, Puerto Rico (68 miles). Exact time and date of earthquake 28/06/17 / 2017-06-28 21:49:28 / June 28, 2017 @ 9:49 pm UTC/GMT. Exact location of earthquake, longitude -67.0776 West, latitude 19.4985 North, depth = 58 km. The temblor was picked up at 17:49:28 / 5:49 pm (local time epicenter). All ids that are associated to the event: pr2017179012. Unique identifier: pr2017179012. The earthquake occurred at a depth of 58 km (36 miles) below the earth’s surface.

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been four, in the last 10 days nineteen, in the past 30 days twenty-six and in the last 365 days one hundred and eighty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. 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: 110 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -67.0776° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.4985° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58 km Depth of the event in kilometers.
Place 110km 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 2017-06-28 21:49:28 Time when the event occurred. UTC/GMT
Updated 2017-06-30 02:02:25 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 155 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.0315 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 261 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 pr2017179012 Id of event.
Event Code 2017179012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017179012, A comma-separated list of event ids that are associated to an event.

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