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


Earthquake location 17.9534S, -66.7244WA light earthquake magnitude 4 (ml/mb) has occurred on Friday, 4 kilometers (2 miles) from Tallaboa in Puerto Rico. Global time and date of event 17/01/20 / 2020-01-17 17:30:51 / January 17, 2020 @ 5:30 pm UTC/GMT. Exact location of earthquake, longitude -66.7244 West, latitude 17.9534 North, depth = 13.63 km. All ids that are associated to the event: us600079bt. Unique identifier: us600079bt. The earthquake was roughly at a depth of 13.63 km (8 miles). The 4-magnitude earthquake has occurred at 13:30:51 / 1:30 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities/towns to epicentrum/hypocenter was Yabucoa, Trujillo Alto, Maunabo (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 87 km (54 miles) from San Juan (c. 418 100 pop), 78 km (48 miles) from Bayamón (c. 203 500 pop), 13 km (8 miles) from Ponce (c. 152 600 pop), 78 km (48 miles) from Caguas (c. 86 800 pop), 79 km (49 miles) from Guaynabo (c. 81 400 pop), 52 km (32 miles) from Mayagüez (c. 78 600 pop).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 4 km S of Tallaboa, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.7244° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9534° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.63 km Depth of the event in kilometers.
Place 4km S 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 2020-01-17 17:30:51 Time when the event occurred. UTC/GMT
Updated 2020-01-17 17:47:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 6 The total number of felt reports
CDI 3.7 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 248 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 0.056 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us600079bt Id of event.
Event Code 600079bt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600079bt, A comma-separated list of event ids that are associated to an event.

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