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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 9 km SSE of Tallaboa, Puerto Rico


Earthquake location 17.9128S, -66.6898WA light earthquake with magnitude 4.7 (ml/mb) was reported 9 kilometers (6 miles) from Tallaboa in Puerto Rico on Tuesday. Event ids that are associated to the earthquake: us60007c6b. Id of event: us60007c6b. Exact location of earthquake, longitude -66.6898 West, latitude 17.9128 North, depth = 10 km. The temblor was detected at 05:42:11 / 5:42 am (local time epicenter). Global date and time of event UTC/GMT: 07/01/20 / 2020-01-07 09:42:11 / January 7, 2020 @ 9:42 am. The epicenter was at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 87 km (54 miles) from San Juan (c. 418 100 pop), 78 km (49 miles) from Bayamón (c. 203 500 pop), 93 km (58 miles) from Carolina (c. 170 400 pop), 14 km (8 miles) from Ponce (c. 152 600 pop), 77 km (48 miles) from Caguas (c. 86 800 pop), 79 km (49 miles) from Guaynabo (c. 81 400 pop), 57 km (36 miles) from Mayagüez (c. 78 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Canovanas, Santa Barbara, Humacao (min 5000 pop).

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

How would you describe the shaking?

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: 9 km SSE of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -66.6898° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9128° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 9km SSE 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 2020-01-07 09:42:11 Time when the event occurred. UTC/GMT
Updated 2020-01-28 10:20:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 4.6 The maximum reported intensity for the event.
MMI 3.495 The maximum estimated instrumental intensity for the event.
Alert Level green 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 342 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 0.151 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us60007c6b Id of event.
Event Code 60007c6b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007c6b, A comma-separated list of event ids that are associated to an event.

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