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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Tallaboa in Puerto Rico


Earthquake location 17.99S, -66.7243WA light earthquake magnitude 4.3 (ml/mb) has struck on Tuesday, 1 kilometers (1 miles) from Tallaboa in Puerto Rico. Event ids that are associated to the earthquake: us60007c67. Id of event: us60007c67. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 07/01/20 / 2020-01-07 11:31:09 / January 7, 2020 @ 11:31 am. The temblor was picked up at 07:31:09 / 7:31 am (local time epicenter). Exact location of earthquake, longitude -66.7243 West, latitude 17.99 North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Las Piedras, Carolina, Yabucoa (min 5000 pop). Epicenter of the earthquake was 84 km (52 miles) from San Juan (c. 418 100 pop), 75 km (47 miles) from Bayamón (c. 203 500 pop), 92 km (57 miles) from Carolina (c. 170 400 pop), 12 km (7 miles) from Ponce (c. 152 600 pop), 76 km (47 miles) from Caguas (c. 86 800 pop), 77 km (48 miles) from Guaynabo (c. 81 400 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 1 km WSW of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -66.7243° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.99° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 1km WSW 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 11:31:09 Time when the event occurred. UTC/GMT
Updated 2020-01-28 09:59:41 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 4.128 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 284 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 0.124 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us60007c67 Id of event.
Event Code 60007c67 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007c67, A comma-separated list of event ids that are associated to an event.

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