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Minor earthquake: M2.8 quake has struck near Isabela in Puerto Rico



Earthquake location 19.1308S, -66.9136WA minor earthquake with magnitude 2.8 (ml/mb) was reported 70 kilometers (43 miles) from Isabela in Puerto Rico on Tuesday. The epicenter of the earthquake was roughly 20 km (12 miles) below the earth’s surface. Global date and time of event UTC/GMT: 30/05/17 / 2017-05-30 06:59:32 / May 30, 2017 @ 6:59 am. The temblor was reported at 02:59:32 / 2:59 am (local time epicenter). Event ids that are associated to the earthquake: pr2017150005. Id of event: pr2017150005. Exact location of earthquake, longitude -66.9136 West, latitude 19.1308 North, depth = 20 km.

Nearest cities/city/towns to hypocenter/epicentrum was Arecibo, Quebradillas, Camuy (min 5000 pop). Epicenter of the event was 76 km (47 miles) from Arecibo (c. 49 300 pop), 71 km (44 miles) from Isabela (c. 12 500 pop), 72 km (45 miles) from Hatillo (c. 5 600 pop), 73 km (45 miles) from Quebradillas (c. 5 600 pop), 72 km (45 miles) from Camuy (c. 4 200 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days eighteen and in the last 365 days two hundred and twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 70 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9136° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1308° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 70km 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 2017-05-30 06:59:32 Time when the event occurred. UTC/GMT
Updated 2017-05-31 00:32:40 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 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6921 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 281 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 pr2017150005 Id of event.
Event Code 2017150005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017150005, A comma-separated list of event ids that are associated to an event.

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