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Minor earthquake, 3.17 mag has occurred near Puerto Rico region


Earthquake location 19.558S, -67.1876WA minor earthquake magnitude 3.17 (ml/mb) has occurred on Tuesday, Puerto Rico region (0 miles). All ids that are associated to the event: pr2018212038. Unique identifier: pr2018212038. The 3.17-magnitude earthquake was detected at 09:59:33 / 9:59 am (local time epicenter). Exact location of event, depth 34 km, -67.1876° West, 19.558° North. Exact time and date of earthquake 31/07/18 / 2018-07-31 09:59:33 / July 31, 2018 @ 9:59 am UTC/GMT. The epicenter of the earthquake was roughly 34 km (21 miles) below the earth’s surface.

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days fourteen and in the last 365 days two hundred and thirty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes in the world each year.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: Puerto Rico region. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -67.1876° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.558° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34 km Depth of the event in kilometers.
Place Puerto Rico region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-31 09:59:33 Time when the event occurred. UTC/GMT
Updated 2018-07-31 13:10:22 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.0931 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 341 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 pr2018212038 Id of event.
Event Code 2018212038 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018212038, A comma-separated list of event ids that are associated to an event.

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