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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Hihifo in Tonga

Posted by admin on May 12, 2020 0 Comments

Earthquake location -16.1355S, -173.2013WA light earthquake magnitude 4.6 (ml/mb) has occurred on Monday, 62 kilometers (39 miles) from Hihifo in Tonga. Exact location of event, depth 40.21 km, -173.2013° West, -16.1355° South. Id of earthquake: us70009em3. Event ids that are associated: us70009em3. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 04/05/20 / 2020-05-04 17:31:28 / May 4, 2020 @ 5:31 pm UTC/GMT. The temblor was detected at 05:31:28 / 5:31 am (local time epicenter). The epicenter was at a depth of 40.21 km (25 miles).

Nearby country/countries that might be effected, Tonga (c. 123 000 pop). Epicenter of the earthquake was 67 km (41 miles) from Hihifo (c. 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hihifo (min 5000 pop).

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

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 62 km ESE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -173.2013° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.1355° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.21 km Depth of the event in kilometers.
Place 62km ESE of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-04 17:31:28 Time when the event occurred. UTC/GMT
Updated 2020-05-12 16:38:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 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 326 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 2.604 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 58 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 us70009em3 Id of event.
Event Code 70009em3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70009em3, A comma-separated list of event ids that are associated to an event.

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