Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.9 on date 19-01-2023 and time 06:18:49 (UTC) in region Malta [Sea]

A magnitude ML 3.9 earthquake occured in region: Malta [Sea], on

  • 19-01-2023 06:18:49 (UTC)
  • 19-01-2023 07:18:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8510, 14.2110 at 10 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.

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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 3.9 2023-01-19
06:18:49		 34.8507 14.2112 10 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116281581
Reviewed
Rev100 		ML 3.9 2023-01-19
06:18:50		 34.8915 14.0335 10 2023-01-19
06:27:46		 Sala Sismica INGV-Roma 113672541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-19 06:18:49 ± 0.43
Latitude 34.8507 ± 0.0234
Longitude 14.2112 ± 0.0636
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116281581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5790
Semi-minor axis of confidence ellipse (meter) 2590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 5790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 323
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 1.18081
Epicentral distance of station farthest from the epicenter (degree) 3.56671
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:3.9

Field Value
Value 3.9
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 113672541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-19 06:27:46

ML:3.9

Field Value
Value 3.9
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 116281581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-07 15:29:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2023-01-19T06:20:02.21 0.6 undecidable manual S 12 283.3053 38 -0.51 19
IV.RAFF.HHZ. 2023-01-19T06:19:58.93 0.6 undecidable manual S 3 263.4363 38 0.5 23
IV.HVZN.HHZ. 2023-01-19T06:19:58.11 0.6 undecidable manual S 10 262.1376 38 -0.04 25
IV.HAVL.HHZ. 2023-01-19T06:19:55.50 0.6 undecidable manual S 19 247.863 38 0.43 26
IV.ACATE.EHZ. 2023-01-19T06:19:54.68 0.6 undecidable manual S 6 242.4795 38 0.77 24
IV.SOI.EHZ. 2023-01-19T06:19:46.36 0.6 undecidable manual P 24 393.5061 38 0.72 13
IV.MSRU.HHZ. 2023-01-19T06:19:46.26 1.0 undecidable manual P 17 395.9037 38 0.32 7
IV.MPNC.HHZ. 2023-01-19T06:19:44.53 0.6 undecidable manual P 15 379.5312 38 0.63 13
IV.MUCR.HHZ. 2023-01-19T06:19:41.70 0.6 undecidable manual P 9 359.0739 38 0.35 15
IV.SOLUN.HHZ. 2023-01-19T06:19:41.28 0.6 undecidable manual P 351 364.6572 38 -0.77 13
IV.PLLN.EHZ. 2023-01-19T06:19:40.89 0.3 undecidable manual P 359 348.5844 38 0.84 19
IV.CORL.HHZ. 2023-01-19T06:19:39.82 0.6 undecidable manual P 347 347.1858 38 -0.06 16
IV.CSLB.HHZ. 2023-01-19T06:19:39.43 0.6 undecidable manual P 358 342.7014 38 0.11 16
IV.EPZF.HHZ. 2023-01-19T06:19:39.79 0.6 undecidable manual P 10 334.8093 38 1.45 10
IV.GALF.HHZ. 2023-01-19T06:19:37.35 0.6 undecidable manual P 6 318.8364 38 1 12
IV.CMDO.HHZ. 2023-01-19T06:19:34.09 0.3 undecidable manual P 353 291.9855 38 1.08 20
IV.HLNI.HHZ. 2023-01-19T06:19:30.89 0.3 undecidable manual P 12 283.3053 38 -1.04 22
IV.HVZN.HHZ. 2023-01-19T06:19:29.73 0.3 undecidable manual P 10 262.1376 38 0.44 35
IV.SSY.HHZ. 2023-01-19T06:19:29.80 0.3 undecidable manual P 17 267.3324 38 -0.15 35
IV.RAFF.HHZ. 2023-01-19T06:19:29.06 0.3 undecidable manual P 3 263.4363 38 -0.4 35
IV.ACATE.EHZ. 2023-01-19T06:19:27.08 1.0 undecidable manual P 6 242.4795 38 0.23 14
ML.XLND.BHE. 2023-01-19T06:19:27.31 0.6 undecidable manual S 0 131.0688 50 -0.26 50
IV.HMDC.HHZ. 2023-01-19T06:19:26.27 0.3 undecidable manual P 12 239.4825 38 -0.2 44
IV.HAVL.HHZ. 2023-01-19T06:19:26.38 0.3 undecidable manual P 19 247.863 38 -1.14 30
ML.XLND.BHE. 2023-01-19T06:19:11.34 0.1 undecidable manual P 0 131.0688 50 -0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACATE.HNE. ML:4.1 0.0025 0.94 AML other m 2023-01-19T06:20:03.31
IV.ACATE.EHE. ML:4.1 0.0023250000000000002 0.84 AML other m 2023-01-19T06:20:03.32
IV.HAVL.HHN. ML:4.0 0.001905 0.6 AML other m 2023-01-19T06:20:06.90
IV.HAVL.HHE. ML:4.1 0.0023250000000000002 0.62 AML other m 2023-01-19T06:20:06.61
IV.ACATE.EHN. ML:4.0 0.0020499999999999997 0.56 AML other m 2023-01-19T06:20:07.57
IV.ACATE.HNN. ML:4.0 0.002055 0.58 AML other m 2023-01-19T06:20:07.57
IV.HMDC.HHE. ML:3.4 0.000544 0.66 AML other m 2023-01-19T06:20:13.40
IV.HMDC.HNE. ML:4.1 0.0024100000000000002 0.66 AML other m 2023-01-19T06:20:13.41
IV.HLNI.HHE. ML:3.8 0.0008660000000000001 1.34 AML other m 2023-01-19T06:20:14.80
IV.RAFF.HHE. ML:4.0 0.00173 1.28 AML other m 2023-01-19T06:20:14.86
IV.HVZN.HNN. ML:4.1 0.002205 0.64 AML other m 2023-01-19T06:20:15.49
IV.SSY.HHE. ML:4.6 0.006900000000000001 0.76 AML other m 2023-01-19T06:20:16.47
IV.HVZN.HHE. ML:4.2 0.0027093749999999995 0.6624 AML other m 2023-01-19T06:20:17.78
IV.HVZN.HNE. ML:4.2 0.002935 1.5 AML other m 2023-01-19T06:20:18.86
IV.SOLUN.HHE. ML:3.8 0.0004855 1.14 AML other m 2023-01-19T06:20:19.71
IV.PLLN.EHE. ML:4.2 0.0012349999999999998 0.9 AML other m 2023-01-19T06:20:22.45
IV.RAFF.HHN. ML:3.9 0.0014750000000000002 1.12 AML other m 2023-01-19T06:20:22.06
IV.SSY.HNN. ML:4.3 0.00317 0.78 AML other m 2023-01-19T06:20:22.47
IV.HMDC.HHN. ML:4.0 0.00219 0.7 AML other m 2023-01-19T06:20:23.64
IV.HMDC.HNN. ML:4.0 0.002145 0.68 AML other m 2023-01-19T06:20:23.65
IV.SSY.HNE. ML:4.3 0.0033200000000000005 0.54 AML other m 2023-01-19T06:20:23.66
IV.SSY.HHN. ML:4.6 0.007405 0.5 AML other m 2023-01-19T06:20:23.70
IV.PLLN.EHN. ML:4.3 0.001575 0.84 AML other m 2023-01-19T06:20:25.61
IV.CSLB.HHE. ML:3.8 0.0005355 1.12 AML other m 2023-01-19T06:20:26.92
IV.HLNI.HHN. ML:3.9 0.0011899999999999999 1.06 AML other m 2023-01-19T06:20:28.10
IV.CORL.HNN. ML:3.6 0.000357 0.82 AML other m 2023-01-19T06:20:30.07
IV.GALF.HNE. ML:3.4 0.000259 1.58 AML other m 2023-01-19T06:20:33.79
IV.GALF.HHE. ML:4.2 0.0015249999999999999 1.42 AML other m 2023-01-19T06:20:37.03
IV.EPZF.HHE. ML:4.1 0.0011235 1.52 AML other m 2023-01-19T06:20:43.95
IV.SOI.EHN. ML:3.4 0.0001725 0.66 AML other m 2023-01-19T06:20:44.15
IV.CMDO.HHE. ML:3.1 0.00015999999999999999 0.42 AML other m 2023-01-19T06:20:44.03
IV.MUCR.HHN. ML:3.8 0.00043599999999999997 1.48 AML other m 2023-01-19T06:20:45.74
IV.GALF.HHN. ML:4.3 0.0019549999999999997 0.72 AML other m 2023-01-19T06:20:46.15
IV.GALF.HNN. ML:3.5 0.0003375 0.78 AML other m 2023-01-19T06:20:46.15
IV.SOI.EHE. ML:3.4 0.00016450000000000001 0.8 AML other m 2023-01-19T06:20:50.92
IV.CORL.HHN. ML:3.6 0.0003465 0.98 AML other m 2023-01-19T06:20:50.63
IV.CMDO.HHN. ML:3.1 0.00017299999999999998 1.02 AML other m 2023-01-19T06:20:51.39
IV.CSLB.HHN. ML:3.8 0.0006014999999999999 0.94 AML other m 2023-01-19T06:20:51.07
IV.CORL.HNE. ML:3.7 0.00040899999999999997 0.94 AML other m 2023-01-19T06:20:51.52
IV.CORL.HHE. ML:3.7 0.000405 0.94 AML other m 2023-01-19T06:20:51.52
IV.MUCR.HHE. ML:3.8 0.000503 1.38 AML other m 2023-01-19T06:20:53.84
IV.EPZF.HHN. ML:4.0 0.001054 1.28 AML other m 2023-01-19T06:20:54.93
IV.SOLUN.HHN. ML:3.7 0.0003435 0.42 AML other m 2023-01-19T06:20:56.70
IV.MSRU.HHE. ML:4.0 0.0005595 0.62 AML other m 2023-01-19T06:20:57.50
IV.MSRU.HHN. ML:3.9 0.00045 0.72 AML other m 2023-01-19T06:21:01.14
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