Light earthquake 4.8 mag, 6 km SE of Tallaboa, Puerto Rico

A light earthquake magnitude 4.8 (ml/mb) strikes 6 kilometers (4 miles) from Tallaboa in Puerto Rico on Friday. The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. Exact location of earthquake, longitude -66.668 West, latitude 17.962 North, depth = 5 km. The temblor was picked up at 04:05:28 / 4:05 am (local time epicenter). Exact time and date of earthquake 10/01/20 / 2020-01-10 08:05:28 / January 10, 2020 @ 8:05 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: pt20010001. Ids that are associated to the event: pt20010001.

Earthquake epicenter was 82 km (51 miles) from San Juan (c. 418 100 pop), 73 km (45 miles) from Bayamón (c. 203 500 pop), 88 km (55 miles) from Carolina (c. 170 400 pop), 8 km (5 miles) from Ponce (c. 152 600 pop), 72 km (45 miles) from Caguas (c. 86 800 pop), 73 km (46 miles) from Guaynabo (c. 81 400 pop), 56 km (35 miles) from Mayagüez (c. 78 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Punta Santiago, Río Grande, Loíza (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been fifteen, in the last 10 days one hundred and ninety-seven, in the past 30 days two hundred and thirty-five and in the last 365 days two hundred and seventy-eight earthquakes of magnitude 3.0 or greater that has struck near.

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. 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: 6 km SE of Tallaboa, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-66.668° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.962° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	6km SE of Tallaboa, 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	2020-01-10 08:05:28	Time when the event occurred. UTC/GMT
Updated	2020-01-10 08:11:10	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	5	The total number of felt reports
CDI	3.4	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	356	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pt	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,	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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	169.199986464	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	pt20010001	Id of event.
Event Code	20010001	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt20010001,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.8 mb

The magnitude for the event.

Longitude

-66.668° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

17.962° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

5 km

Depth of the event in kilometers.

Place

6km SE of Tallaboa, 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

2020-01-10 08:05:28

Time when the event occurred. UTC/GMT

Updated

2020-01-10 08:11:10

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

3.4

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

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

356

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.

Sources

,pt,

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

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

169.199986464

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

pt20010001

Id of event.

Event Code

20010001

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,pt20010001,

A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.8 mag, 6 km SE of Tallaboa, Puerto Rico

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