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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Hachinohe in Japan


Earthquake location 40.5414S, 142.0044WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 42 kilometers (26 miles) from Hachinohe in Japan. Exact location, longitude 142.0044° East, latitude 40.5414° North, depth = 64.148 km. The epicenter of the earthquake was roughly 64.148 km (40 miles) below the earth’s surface. The temblor was reported at 01:36:47 / 1:36 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 04/12/24 / 2024-12-04 01:36:47 / December 4, 2024 @ 1:36 am UTC/GMT. All ids that are associated to the event: us7000nzjh. Unique identifier: us7000nzjh.

Epicenter of the earthquake was 43 km (27 miles) from Hachinohe (c. 239 000 pop), 54 km (34 miles) from Misawa (c. 42 800 pop), 70 km (44 miles) from Ichinohe (c. 15 800 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Ichinohe, Misawa, Hachinohe (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days ten and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that has struck near. 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.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 42 km E of Hachinohe, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 142.0044° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.5414° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.148 km Depth of the event in kilometers.
Place 42 km E of Hachinohe, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-04 01:36:47 Time when the event occurred. UTC/GMT
Updated 2024-12-18 05:31:11 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 246 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.757 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us7000nzjh Id of event.
Event Code 7000nzjh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nzjh, A comma-separated list of event ids that are associated to an event.

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