Earthquake with magnitude of ML 3.1 on date 25-01-2023 and time 20:14:09 (UTC) in region Malta [Sea]

A magnitude ML 3.1 earthquake occured in region: Malta [Sea], on

  • 25-01-2023 20:14:09 (UTC)
  • 25-01-2023 21:14:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8080, 13.9400 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 3.1 2023-01-25
20:14:09
34.8082 13.9398 16 2023-01-25
20:30:21
Sala Sismica INGV-Roma 113788121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 20:14:09 ± 0.54
Latitude 34.8082 ± 0.0261
Longitude 13.9398 ± 0.0471
Depth (km) 16 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113788121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4664
Semi-minor axis of confidence ellipse (meter) 1566
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 4660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 335
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.64760
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitude information

ML:3.1

Field Value
Value 3.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113788121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 20:30:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SAMA.EHZ. 2023-01-25T20:16:13.04 3.0 undecidable manual Pg 16.459999 0
IV.HLNI.HHZ. 2023-01-25T20:15:23.15 0.3 undecidable manual S 16 2.6476 54 -0.09 27
IV.SSY.HHZ. 2023-01-25T20:15:19.35 1.0 undecidable manual S 21 2.5208 54 -0.84 9
IV.PLAC.HHZ. 2023-01-25T20:15:12.94 3.0 negative manual Pn -0.88 0
IV.CROCE.HHE. 2023-01-25T20:15:08.07 3.0 undecidable manual S 13 2.0801 54 -1.57 0
IV.MSRU.HHZ. 2023-01-25T20:15:07.47 3.0 negative manual P 0.51 0
IV.MUCR.HHZ. 2023-01-25T20:15:02.73 3.0 negative manual Pn 0.29 0
IV.GIB.HHZ. 2023-01-25T20:15:02.10 3.0 negative manual P -0.36 0
IV.GALF.HHZ. 2023-01-25T20:14:58.79 3.0 positive manual P 1.05 0
IV.CMDO.HHZ. 2023-01-25T20:14:55.63 3.0 undecidable manual P 0
IV.HLNI.HHZ. 2023-01-25T20:14:51.44 0.3 undecidable manual P 16 2.6476 54 -0.52 25
IV.SSY.HHZ. 2023-01-25T20:14:50.48 0.1 undecidable manual P 21 2.5208 54 0.28 41
IV.HSRS.HHE. 2023-01-25T20:14:50.55 0.3 undecidable manual P 24 2.5073 54 0.53 30
ML.XLND.BHE. 2023-01-25T20:14:48.29 0.1 undecidable manual S 10 1.2447 92 -0.29 100
IV.CLTA.HHE. 2023-01-25T20:14:48.57 0.3 undecidable manual P 0 2.3481 54 0.75 32
IV.HAVL.HHZ. 2023-01-25T20:14:47.29 0.3 undecidable manual P 24 2.3535 54 -0.6 33
ML.MSDA.BHE. 2023-01-25T20:14:46.96 0.1 undecidable manual S 22 1.1790 92 0.32 99
IV.HVIT.HHE. 2023-01-25T20:14:46.15 0.6 undecidable manual P 12 2.2330 54 -0.08 28
IV.HMDC.HHE. 2023-01-25T20:14:46.26 0.6 undecidable manual P 17 2.2555 54 -0.27 27
IV.HPAC.HHE. 2023-01-25T20:14:45.28 0.6 undecidable manual P 25 2.0972 54 0.94 25
IV.CROCE.HHE. 2023-01-25T20:14:43.80 0.3 undecidable manual P 13 2.0801 54 -0.31 46
IV.LINA.HHZ. 2023-01-25T20:14:40.81 3.0 undecidable manual P 0
ML.XLND.BHE. 2023-01-25T20:14:32.28 0.1 undecidable manual P 10 1.2447 92 0.34 98
ML.MSDA.BHE. 2023-01-25T20:14:30.33 0.1 undecidable manual P 22 1.1790 92 -0.5 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:3.0 0.00016047525000000002 1.024 AML other m 2023-01-25T20:15:00.64
IV.HAVL.HHN. ML:3.1 0.0002252051 0.256 AML other m 2023-01-25T20:14:54.30
IV.SSY.HHN. ML:4.0 0.0015268665000000002 0.5376 AML other m 2023-01-25T20:15:39.74
IV.SSY.HNN. ML:3.5 0.00048143765 0.3072 AML other m 2023-01-25T20:15:38.92
IV.SSY.HHE. ML:3.8 0.0008925663999999999 0.6144 AML other m 2023-01-25T20:15:36.47
IV.SSY.HNE. ML:3.5 0.00047187965000000003 0.512 AML other m 2023-01-25T20:15:39.74
IV.HLNI.HHN. ML:3.0 0.00013304295 1.0752 AML other m 2023-01-25T20:15:39.49
IV.HLNI.HHE. ML:3.0 0.00012707955 0.3968 AML other m 2023-01-25T20:15:37.79
IV.GALF.HHN. ML:3.1 0.00013350000000000002 0.76 AML other m 2023-01-25T20:15:42.26
IV.GALF.HHE. ML:3.2 0.000152 1.5 AML other m 2023-01-25T20:15:45.90
IV.GALF.HNE. ML:3.1 0.0001350816 0.9216 AML other m 2023-01-25T20:15:16.52
IV.GALF.HNN. ML:3.2 0.00016289985 2.5856 AML other m 2023-01-25T20:15:33.91
IV.GIB.HHE. ML:3.2 0.00013395319999999998 0.96 AML other m 2023-01-25T20:15:45.09
IV.GIB.HHN. ML:3.4 0.00018476255 1.2672 AML other m 2023-01-25T20:15:46.99
IV.MUCR.HHE. ML:2.9 0.00006160372 1.1136 AML other m 2023-01-25T20:15:42.55
IV.MUCR.HHN. ML:2.8 0.000043409539999999994 1.6256 AML other m 2023-01-25T20:15:22.79
IV.MSRU.HHE. ML:3.1 0.00007304658 1.344 AML other m 2023-01-25T20:16:05.22
IV.MSRU.HHN. ML:3.0 0.000052600795 1.8432 AML other m 2023-01-25T20:15:51.45
IV.PLAC.HHE. ML:3.2 0.00006289884499999999 2.1888 AML other m 2023-01-25T20:16:02.53
IV.PLAC.HNE. ML:3.4 0.00008622962 1.216 AML other m 2023-01-25T20:16:11.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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