Earthquake with magnitude of ML 3.3 on date 18-01-2023 and time 23:29:37 (UTC) in region Malta [Sea]

A magnitude ML 3.3 earthquake occured in region: Malta [Sea], on

  • 18-01-2023 23:29:37 (UTC)
  • 19-01-2023 00:29:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8400, 14.0850 at 19 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Bulletin
Rev1000
ML 3.3 2023-01-18
23:29:37
34.8403 14.0848 19 2024-03-01
17:18:14
Bollettino Sismico Italiano INGV 119971331
Reviewed
Rev100
ML 3.5 2023-01-18
23:29:36
34.8857 14.1335 10 2023-01-18
23:49:33
Sala Sismica INGV-Roma 113669411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-18 23:29:37 ± 0.41
Latitude 34.8403 ± 0.0234
Longitude 14.0848 ± 0.0668
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119971331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6080
Semi-minor axis of confidence ellipse (meter) 2521
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 6080.0
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 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.21777
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:3.5

Field Value
Value 3.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 113669411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-18 23:49:33

ML:3.3

Field Value
Value 3.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 119971331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-09 15:31:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-01-18T23:31:56.56 3.0 undecidable manual Sg -0.07 0
IV.HAGA.HHE. 2023-01-18T23:30:49.20 0.3 undecidable manual S 19 287.6898 54 -0.17 52
IV.HCRL.HHE. 2023-01-18T23:30:48.16 0.1 undecidable manual S 17 284.0046 54 -0.43 69
IV.HSRS.HHE. 2023-01-18T23:30:46.20 0.6 undecidable manual S 22 269.9298 54 0.65 37
IV.SSY.HHZ. 2023-01-18T23:30:45.92 0.3 undecidable manual S 19 271.9278 54 -0.07 63
IV.CLTA.HHE. 2023-01-18T23:30:42.13 0.6 undecidable manual S 358 257.3535 54 -0.7 40
IV.ACATE.EHE. 2023-01-18T23:30:40.54 0.1 undecidable manual S 9 245.0658 54 0.34 100
IV.HVIT.HHE. 2023-01-18T23:30:39.29 0.6 undecidable manual S 9 241.98 54 -0.23 53
IV.CROCE.HHE. 2023-01-18T23:30:35.53 0.6 undecidable manual S 10 224.7084 54 -0.27 59
IV.MSFR.HHZ. 2023-01-18T23:30:29.17 0.6 undecidable manual P 7 357.1758 54 1.66 15
IV.CSLB.HHZ. 2023-01-18T23:30:27.29 0.3 undecidable manual P 360 343.6005 54 1.47 25
IV.GALF.HHZ. 2023-01-18T23:30:24.83 0.6 undecidable manual P 8 321.3339 54 1.78 14
IV.HLNI.HHZ. 2023-01-18T23:30:18.50 0.3 undecidable manual P 14 287.0016 54 -0.29 51
IV.HCRL.HHE. 2023-01-18T23:30:18.27 0.3 undecidable manual P 17 284.0046 54 -0.14 55
IV.AGST.EHZ. 2023-01-18T23:30:18.97 0.3 undecidable manual P 21 286.9017 54 0.19 52
IV.HAGA.HHE. 2023-01-18T23:30:18.82 0.3 undecidable manual P 19 287.6898 54 -0.05 54
IV.HSRS.HHE. 2023-01-18T23:30:17.85 0.6 undecidable manual P 22 269.9298 54 1.19 29
IV.RAFF.HHZ. 2023-01-18T23:30:16.26 0.3 undecidable manual P 5 265.4343 54 0.16 66
IV.SSY.HHZ. 2023-01-18T23:30:16.77 0.6 undecidable manual P 19 271.9278 54 -0.14 41
1J.FX01.HHE. 2023-01-18T23:30:16.69 0.6 undecidable manual P 23 269.0307 54 0.14 43
IV.HVZN.HHE. 2023-01-18T23:30:16.05 0.6 undecidable manual P 12 265.4343 54 -0.05 45
IV.CLTA.HHE. 2023-01-18T23:30:15.69 0.6 undecidable manual P 358 257.3535 54 0.6 42
IV.HAVL.HHE. 2023-01-18T23:30:15.05 0.6 undecidable manual P 21 252.858 54 0.51 45
ML.XLND.BHZ. 2023-01-18T23:30:15.62 0.6 undecidable manual S 5 132.7671 94 0.45 88
IV.ACATE.EHE. 2023-01-18T23:30:13.63 0.3 undecidable manual P 9 245.0658 54 0.06 80
IV.HVIT.HHE. 2023-01-18T23:30:12.69 0.6 undecidable manual P 9 241.98 54 -0.49 50
IV.HMDC.HHE. 2023-01-18T23:30:12.53 0.3 undecidable manual P 15 243.2676 54 -0.81 65
IV.CROCE.HHE. 2023-01-18T23:30:10.74 0.3 undecidable manual P 10 224.7084 54 -0.28 88
ML.XLND.BHZ. 2023-01-18T23:29:58.15 0.6 undecidable manual P 5 132.7671 94 -0.97 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HNN. ML:3.4 0.00034399999999999996 1.58 AML other m 2023-01-18T23:30:54.12
IV.SSY.HHE. ML:3.7 0.000733 0.42 AML other m 2023-01-18T23:31:05.14
IV.SSY.HHN. ML:3.8 0.0010465 0.62 AML other m 2023-01-18T23:31:08.08
IV.SSY.HNE. ML:3.4 0.0003705 0.64 AML other m 2023-01-18T23:31:08.40
IV.GALF.HHN. ML:3.3 0.000195 0.44 AML other m 2023-01-18T23:31:10.24
IV.GALF.HHE. ML:3.3 0.00019849999999999997 0.52 AML other m 2023-01-18T23:31:26.12
IV.HLNI.HHN. ML:3.0 0.00013129778 0.512 AML other m 2023-01-18T23:31:07.55
IV.HLNI.HHE. ML:3.1 0.00016486824999999998 1.8176 AML other m 2023-01-18T23:31:07.80
IV.GALF.HNN. ML:3.1 0.00014017325 0.7552 AML other m 2023-01-18T23:31:27.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download