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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Tallaboa in Puerto Rico

Earthquake location 17.8699S, -66.7626WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 14 kilometers (9 miles) from Tallaboa in Puerto Rico. Exact location, longitude -66.7626° West, latitude 17.8699° North, depth = 10 km. The 4-magnitude earthquake has occurred at 07:33:09 / 7:33 am (local time epicenter). Date and time of earthquake in UTC/GMT: 07/01/20 / 2020-01-07 11:33:09 / January 7, 2020 @ 11:33 am. The earthquake was roughly 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). Event id: usa0006bn7. Ids that are associated to the earthquake: usa0006bn7.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Levittown, Guaynabo, Bayamón. The epicenter was 87 km (54 miles) from Bayamón (c. 203 500 pop), 22 km (14 miles) from Ponce (c. 152 600 pop), 86 km (53 miles) from Caguas (c. 86 800 pop), 88 km (54 miles) from Guaynabo (c. 81 400 pop), 54 km (34 miles) from Mayagüez (c. 78 600 pop), 67 km (42 miles) from Arecibo (c. 49 300 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been nine hundred and thirteen, in the last 10 days nine hundred and seventy-nine, in the past 30 days nine hundred and eighty-eight and in the last 365 days one thousand and twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 14 km SSW of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.7626° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8699° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 14km SSW 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 11:33:09 Time when the event occurred. UTC/GMT
Updated 2020-02-02 07:07:40 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 3.107 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 246 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 0.227 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 220 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 usa0006bn7 Id of event.
Event Code a0006bn7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usa0006bn7, A comma-separated list of event ids that are associated to an event.

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