Minor earthquake: M3.46 quake has struck near San Antonio in Puerto Rico

A minor earthquake with magnitude 3.46 (ml/mb) was detected on Sunday, 139 km NNW of San Antonio, Puerto Rico (86 miles). Global date and time of event UTC/GMT: 28/06/20 / 2020-06-28 08:57:31 / June 28, 2020 @ 8:57 am. The 3.46-magnitude earthquake has occurred at 08:57:31 / 8:57 am (local time epicenter). Event id: pr2020180022. Ids that are associated to the earthquake: us7000adki, pr2020180022. The earthquake was roughly at a depth of 28 km (17 miles). Exact location of earthquake, -67.6623° West, 19.6376° North, depth 28 km.

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days thirteen, in the past 30 days sixty and in the last 365 days one thousand and fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

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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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 139 km NNW of San Antonio, Puerto Rico.

Puerto Rico San Antonio

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Parameter	Value	Description
Magnitude	3.46 mb	The magnitude for the event.
Longitude	-67.6623° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.6376° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28 km	Depth of the event in kilometers.
Place	139 km NNW of San Antonio, 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	2020-06-28 08:57:31	Time when the event occurred. UTC/GMT
Updated	2020-06-28 20:38:32	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	184	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	,us,pr,	A comma-separated list of network contributors.
Number of Stations Used	18	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.2665	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.51 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	253	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	pr2020180022	Id of event.
Event Code	2020180022	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000adki,pr2020180022,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.46 quake has struck near San Antonio in Puerto Rico

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