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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Yonakuni in Japan

Earthquake location 24.7088S, 122.6409WA light earthquake with magnitude 4.2 (ml/mb) was reported 45 kilometers (28 miles) from Yonakuni in Japan on Friday. Exact location of earthquake, 122.6409° East, 24.7088° North, depth 102.37 km. Id of earthquake: us2000jnzq. Event ids that are associated: us2000jnzq. Exact time and date of earthquake 15/02/19 / 2019-02-15 14:44:30 / February 15, 2019 @ 2:44 pm UTC/GMT. The earthquake was roughly at a depth of 102.37 km (64 miles). The 4.2-magnitude earthquake was detected at 22:44:30 / 10:44 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquake epicenter was 90 km (56 miles) from Yilan (c. 94 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Yilan (min 5000 pop). Nearby country/countries that might be effected, Taiwan (c. 22 894 000 pop).

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 three, in the past 30 days four and in the last 365 days fourty earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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. 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: 45 km NW of Yonakuni, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 122.6409° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.7088° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 102.37 km Depth of the event in kilometers.
Place 45km NW of Yonakuni, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-02-15 14:44:30 Time when the event occurred. UTC/GMT
Updated 2019-03-13 09:13:09 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 271 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 0.414 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 63 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 us2000jnzq Id of event.
Event Code 2000jnzq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000jnzq, A comma-separated list of event ids that are associated to an event.

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