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Minor earthquake: M3.4 quake has struck near San Juan in Puerto Rico

Posted by admin on August 18, 2015 0 Comments

Earthquake location 19.5118S, -66.0544WA minor earthquake magnitude 3.4 (ml/mb) strikes 115 km N of San Juan, Puerto Rico (71 miles) on Monday. The epicenter of the earthquake was roughly 57 km (35 miles) below the earth’s surface. The temblor was detected at 04:55:20 / 4:55 am (local time epicenter). Exact location of event, longitude -66.0544 West, latitude 19.5118 North, depth = 57 km. Exact time and date of event in UTC/GMT: 17/08/15 / 2015-08-17 08:55:20 / August 17, 2015 @ 8:55 am. Id of earthquake: pr15229008. Event ids that are associated: pr15229008.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seventeen, in the last 10 days fourty-nine, in the past 30 days one hundred and eighty-five and in the last 365 days four hundred and thirty-two earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

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. 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: 115 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -66.0544° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.5118° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57 km Depth of the event in kilometers.
Place 115km N of San Juan, 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 2015-08-17 08:55:20 Time when the event occurred. UTC/GMT
Updated 2015-08-17 17:12:14 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 178 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 1.12289411 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 273.6 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 pr15229008 Id of event.
Event Code 15229008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15229008, A comma-separated list of event ids that are associated to an event.

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