Minor earthquake, 3.5 mag strikes near Magas Arriba in Puerto Rico

A minor earthquake magnitude 3.5 (ml/mb) has struck on Tuesday, 0 kilometers (0 miles) from Magas Arriba in Puerto Rico. The 3.5-magnitude earthquake was detected at 09:33:18 / 9:33 am (local time epicenter). Exact location of event, longitude -66.7766 West, latitude 18.0207 North, depth = 10 km. Global time and date of event 07/01/20 / 2020-01-07 13:33:18 / January 7, 2020 @ 1:33 pm UTC/GMT. Event id: usa0006bp9. Ids that are associated to the earthquake: usa0006bp9. The earthquake occurred at a depth of 10 km (6 miles).

Event epicenter was 78 km (48 miles) from Bayamón (c. 203 500 pop), 17 km (11 miles) from Ponce (c. 152 600 pop), 81 km (50 miles) from Caguas (c. 86 800 pop), 80 km (49 miles) from Guaynabo (c. 81 400 pop), 43 km (27 miles) from Mayagüez (c. 78 600 pop), 51 km (31 miles) from Arecibo (c. 49 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Patillas, Caguas, Guaynabo. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been nine hundred and thirty, in the last 10 days one thousand and one, in the past 30 days one thousand and fifteen and in the last 365 days one thousand and ninety earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 0 km WNW of Magas Arriba, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-66.7766° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.0207° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	0km WNW of Magas Arriba, 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	2020-01-07 13:33:18	Time when the event occurred. UTC/GMT
Updated	2020-02-02 14:51:11	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	188	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.163	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.41 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	185	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	usa0006bp9	Id of event.
Event Code	a0006bp9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,usa0006bp9,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag strikes near Magas Arriba in Puerto Rico

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