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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake: M5.1 quake has struck near Neiafu in Tonga


Earthquake location -18.4198S, -175.4892WA moderate earthquake with magnitude 5.1 (ml/mb) was detected on Tuesday, 161 km W of Neiafu, Tonga (100 miles). Event id: us1000h9qy. Ids that are associated to the earthquake: us1000h9qy. The temblor was detected at 11:12:32 / 11:12 am (local time epicenter). Exact location of event, longitude -175.4892 West, latitude -18.4198 South, depth = 247.58 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 247.58 km (154 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 09/10/18 / 2018-10-09 23:12:32 / October 9, 2018 @ 11:12 pm.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. 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: 161 km W of Neiafu, Tonga.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -175.4892° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.4198° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 247.58 km Depth of the event in kilometers.
Place 161km 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 2018-10-09 23:12:32 Time when the event occurred. UTC/GMT
Updated 2018-10-09 23:31:28 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 400 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 4.806 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 35 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 us1000h9qy Id of event.
Event Code 1000h9qy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h9qy, A comma-separated list of event ids that are associated to an event.

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