Light earthquake, 4.9 mag was detected near Indios in Puerto Rico

A light earthquake magnitude 4.9 (ml/mb) strikes 11 kilometers (7 miles) from Indios in Puerto Rico on Thursday. Date and time of earthquake in UTC/GMT: 24/12/20 / 2020-12-24 16:56:38 / December 24, 2020 @ 4:56 pm. Unique identifier: pt20359002. Ids that are associated to the event: pt20359002. The 4.9-magnitude earthquake was detected at 16:56:38 / 4:56 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. Exact location of event, longitude -66.829 West, latitude 17.889 North, depth = 5 km.

Event epicenter was 100 km (62 miles) from San Juan (c. 418 100 pop), 91 km (57 miles) from Bayamón (c. 203 500 pop), 26 km (16 miles) from Ponce (c. 152 600 pop), 91 km (57 miles) from Caguas (c. 86 800 pop), 92 km (57 miles) from Guaynabo (c. 81 400 pop), 48 km (30 miles) from Mayagüez (c. 78 600 pop), 101 km (63 miles) from Trujillo Alto (c. 54 200 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Yabucoa, Trujillo Alto, San Juan (min 5000 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 twenty, in the last 10 days thirty-eight, in the past 30 days sixty-four and in the last 365 days two thousand, eight hundred and fourty-six earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 11 km S of Indios, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	-66.829° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.889° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	11 km S of Indios, 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	2020-12-24 16:56:38	Time when the event occurred. UTC/GMT
Updated	2020-12-24 17:01:43	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	7	The total number of felt reports
CDI	2.7	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	371	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		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	pt20359002	Id of event.
Event Code	20359002	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt20359002,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.9 mb

The magnitude for the event.

Longitude

-66.829° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

17.889° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

5 km

Depth of the event in kilometers.

Place

11 km S of Indios, 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

2020-12-24 16:56:38

Time when the event occurred. UTC/GMT

Updated

2020-12-24 17:01:43

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

2.7

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

371

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

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

pt20359002

Id of event.

Event Code

20359002

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

Event IDS

,pt20359002,

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

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Light earthquake, 4.9 mag was detected near Indios in Puerto Rico

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