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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near `Ohonua in Tonga

Earthquake location -23.2024S, -176.0522WA light earthquake magnitude 4.5 (ml/mb) has occurred on Tuesday, 236 km SSW of `Ohonua, Tonga (147 miles). Global time and date of event 12/05/20 / 2020-05-12 15:42:06 / May 12, 2020 @ 3:42 pm UTC/GMT. Exact location of earthquake, longitude -176.0522 West, latitude -23.2024 South, depth = 41.54 km. The temblor was picked up at 03:42:06 / 3:42 am (local time epicenter). Event id: us70009kv5. Ids that are associated to the earthquake: us70009kv5. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 41.54 km (26 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days six and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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. 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: 236 km SSW of `Ohonua, Tonga.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -176.0522° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.2024° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.54 km Depth of the event in kilometers.
Place 236km SSW of `Ohonua, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-12 15:42:06 Time when the event occurred. UTC/GMT
Updated 2020-05-19 19:17:15 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 312 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 7.037 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us70009kv5 Id of event.
Event Code 70009kv5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70009kv5, A comma-separated list of event ids that are associated to an event.

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