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Minor earthquake 3.11 mag, 88 km N of Isabela, Puerto Rico



Earthquake location 19.2973S, -67.0891WA minor earthquake with magnitude 3.11 (ml/mb) was detected on Thursday, 88 km N of Isabela, Puerto Rico (55 miles). The epicenter was at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: pr2018102003. Id of event: pr2018102003. Exact location of earthquake, -67.0891° West, 19.2973° North, depth 10 km. The temblor was reported at 03:45:43 / 3:45 am (local time epicenter). Exact time and date of earthquake 12/04/18 / 2018-04-12 07:45:43 / April 12, 2018 @ 7:45 am UTC/GMT.

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

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 88 km N of Isabela, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -67.0891° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.2973° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 88km 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 2018-04-12 07:45:43 Time when the event occurred. UTC/GMT
Updated 2018-04-12 13:42:01 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 149 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8301 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 257 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 pr2018102003 Id of event.
Event Code 2018102003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018102003, A comma-separated list of event ids that are associated to an event.

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