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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Finschhafen in Papua New Guinea


Earthquake location -6.2377S, 147.5439WA light earthquake magnitude 4.1 (ml/mb) strikes 48 kilometers (30 miles) from Finschhafen in Papua New Guinea on Saturday. Global date and time of event UTC/GMT: 23/01/21 / 2021-01-23 03:18:51 / January 23, 2021 @ 3:18 am. Event ids that are associated to the earthquake: us6000dd00. Id of event: us6000dd00. The temblor was picked up at 03:18:51 / 3:18 am (local time epicenter). The earthquake occurred at a depth of 35.24 km (22 miles). Exact location of earthquake, 147.5439° East, -6.2377° South, depth 35.24 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Papua New Guinea (c. 6 065 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Lae (min 5000 pop). Epicenter of the event was 82 km (51 miles) from Lae (c. 76 300 pop).

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

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 48 km NW of Finschhafen, Papua New Guinea.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 147.5439° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.2377° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.24 km Depth of the event in kilometers.
Place 48 km NW of Finschhafen, Papua New Guinea Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-23 03:18:51 Time when the event occurred. UTC/GMT
Updated 2021-01-30 00:07:17 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 259 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 3.169 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 43 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 us6000dd00 Id of event.
Event Code 6000dd00 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dd00, A comma-separated list of event ids that are associated to an event.

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