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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 40 km NNW of Asan-Maina Village, Guam

Earthquake location 13.7806S, 144.5119WA light earthquake with magnitude 4.4 (ml/mb) was reported 40 kilometers (25 miles) from Asan-Maina Village in Guam on Sunday. The temblor was detected at 18:09:37 / 6:09 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 23/02/20 / 2020-02-23 08:09:37 / February 23, 2020 @ 8:09 am. The epicenter of the earthquake was roughly 141.63 km (88 miles) below the earth’s surface. Id of earthquake: us600085y2. Event ids that are associated: us600085y2. Exact location of event, longitude 144.5119 East, latitude 13.7806 North, depth = 141.63 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Inarajan Village, Merizo Village, Umatac Village. Country/countries that might be effected, Guam (c. 159 000 pop). Epicenter of the earthquake was 46 km (29 miles) from Dededo Village (c. 44 900 pop), 49 km (30 miles) from Yigo Village (c. 20 500 pop), 44 km (27 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 48 km (30 miles) from Mangilao Village (c. 15 200 pop), 46 km (29 miles) from Barrigada Village (c. 8 900 pop), 47 km (29 miles) from Santa Rita Village (c. 7 500 pop).

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

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 40 km NNW of Asan-Maina Village, Guam. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 144.5119° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.7806° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 141.63 km Depth of the event in kilometers.
Place 40km NNW of Asan-Maina Village, Guam Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-23 08:09:37 Time when the event occurred. UTC/GMT
Updated 2020-03-19 12:26:47 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 298 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 0.395 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us600085y2 Id of event.
Event Code 600085y2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600085y2, A comma-separated list of event ids that are associated to an event.

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