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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake: M5.5 quake has struck near `Ohonua in Tonga


Earthquake location -22.086S, -175.3808WA moderate earthquake with magnitude 5.5 (ml/mb) was detected on Wednesday, 94 kilometers (58 miles) from `Ohonua in Tonga. The epicenter was at a depth of 40.04 km (25 miles). Exact location of earthquake, -175.3808° West, -22.086° South, depth 40.04 km. The temblor was picked up at 10:31:25 / 10:31 am (local time epicenter). Id of earthquake: us60009a5h. Event ids that are associated: us60009a5h. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 22/04/20 / 2020-04-22 22:31:25 / April 22, 2020 @ 10:31 pm UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Nuku‘alofa, ‘Ohonua. Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected). Epicenter of the earthquake was 107 km (66 miles) from Nuku‘alofa (c. 22 400 pop), 95 km (59 miles) from ‘Ohonua (c. 1 200 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 94 km SSW of `Ohonua, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -175.3808° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.086° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.04 km Depth of the event in kilometers.
Place 94km 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 2020-04-22 22:31:25 Time when the event occurred. UTC/GMT
Updated 2020-04-22 22:50:18 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 3.243 The maximum estimated instrumental intensity for the event.
Alert Level green 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 465 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 5.921 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 36 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us60009a5h Id of event.
Event Code 60009a5h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60009a5h, A comma-separated list of event ids that are associated to an event.

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