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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Neiafu in Tonga

Posted by admin on May 31, 2018 0 Comments

Earthquake location -18.6146S, -175.2254WA light earthquake magnitude 4.6 (ml/mb) has occurred on Wednesday, 131 km W of Neiafu, Tonga (81 miles). Id of earthquake: us1000ec2s. Event ids that are associated: us1000ec2s. The temblor was reported at 04:03:43 / 4:03 am (local time epicenter). Exact location of earthquake, -175.2254° West, -18.6146° South, depth 212.08 km. The epicenter of the earthquake was roughly 212.08 km (132 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 23/05/18 / 2018-05-23 16:03:43 / May 23, 2018 @ 4:03 pm UTC/GMT.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days four and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 131 km W of Neiafu, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -175.2254° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.6146° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 212.08 km Depth of the event in kilometers.
Place 131km W of Neiafu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-05-23 16:03:43 Time when the event occurred. UTC/GMT
Updated 2018-05-31 03:44:36 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 5.038 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us1000ec2s Id of event.
Event Code 1000ec2s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000ec2s, A comma-separated list of event ids that are associated to an event.

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