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Minor earthquake, 3 mag strikes near Santa Isabel in Puerto Rico

Earthquake location 17.4004S, -66.501WA minor earthquake magnitude 3 (ml/mb) strikes 63 kilometers (39 miles) from Santa Isabel in Puerto Rico on Wednesday. The 3-magnitude earthquake has occurred at 19:48:40 / 7:48 pm (local time epicenter). Id of earthquake: pr16328014. Event ids that are associated: pr16328014. The earthquake occurred at a depth of 23 km (14 miles). Exact location, longitude -66.501° West, latitude 17.4004° North, depth = 23 km. Exact time and date of event in UTC/GMT: 23/11/16 / 2016-11-23 23:48:40 / November 23, 2016 @ 11:48 pm.

Epicenter of the earthquake was 69 km (43 miles) from Ponce (c. 152 600 pop), 77 km (48 miles) from Guayama (c. 21 600 pop), 77 km (48 miles) from Coamo (c. 11 900 pop), 73 km (45 miles) from Juana Díaz (c. 9 400 pop), 77 km (48 miles) from Guánica (c. 9 200 pop). Closest city/cities/towns to epicentrum/hypocenter was Arroyo, Coamo, Guayama (min 5000 pop). Nearby 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 three, in the past 30 days eleven and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 63 km S of Santa Isabel, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.501° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.4004° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23 km Depth of the event in kilometers.
Place 63km S of Santa Isabel, 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 2016-11-23 23:48:40 Time when the event occurred. UTC/GMT
Updated 2016-11-24 03:40:29 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 138 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.67373646 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237.6 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 pr16328014 Id of event.
Event Code 16328014 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16328014, A comma-separated list of event ids that are associated to an event.

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