Earthquake with magnitude of ML 3.4 on date 22-01-2023 and time 13:56:23 (UTC) in region Malta [Sea]

A magnitude ML 3.4 earthquake occured in region: Malta [Sea], on

  • 22-01-2023 13:56:23 (UTC)
  • 22-01-2023 14:56:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8810, 14.0590 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.

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 3.4 2023-01-22
13:56:23
34.8813 14.0593 10 2024-03-01
17:18:14
Bollettino Sismico Italiano INGV 119971161
Reviewed
Rev100
ML 3.4 2023-01-22
13:56:23
34.8882 14.0507 10 2023-01-22
14:13:54
Sala Sismica INGV-Roma 113732471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-22 13:56:23 ± 0.49
Latitude 34.8813 ± 0.0306
Longitude 14.0593 ± 0.0351
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119971161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4090
Semi-minor axis of confidence ellipse (meter) 2280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 4090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 1.07649
Epicentral distance of station farthest from the epicenter (degree) 4.04335
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 113732471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-22 14:13:54

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 119971161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-09 14:40:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2023-01-22T13:57:31.52 0.6 undecidable manual S 6 261.1386 38 -0.13 31
IV.PLAC.HHZ. 2023-01-22T13:57:25.97 0.3 undecidable manual P 27 448.8174 38 -0.31 25
IV.MSRU.HHZ. 2023-01-22T13:57:20.12 0.3 undecidable manual P 19 396.8028 38 0.32 27
IV.SICLA.EHZ. 2023-01-22T13:57:20.72 0.6 undecidable manual P 21 402.3972 38 0.23 18
IV.MSFR.HHZ. 2023-01-22T13:57:15.53 0.3 undecidable manual P 8 352.8801 38 1.19 20
IV.MUCR.HHZ. 2023-01-22T13:57:15.43 0.3 undecidable manual P 11 358.1748 38 0.44 27
IV.GIB.HHZ. 2023-01-22T13:57:14.09 0.3 undecidable manual P 360 344.8992 38 0.75 25
IV.PLLN.EHZ. 2023-01-22T13:57:14.60 0.3 undecidable manual P 1 345.1989 38 1.22 20
IV.EPZF.HHZ. 2023-01-22T13:57:13.26 0.3 undecidable manual P 12 334.11 38 1.26 20
IV.CSLB.HHZ. 2023-01-22T13:57:13.21 0.1 undecidable manual P 360 339.0051 38 0.6 35
IV.CIMI.HHZ. 2023-01-22T13:57:12.91 0.1 undecidable manual P 353 335.6085 38 0.72 34
IV.GALF.HHZ. 2023-01-22T13:57:10.95 0.3 undecidable manual P 8 317.1381 38 1.07 22
IV.MMGO.HHZ. 2023-01-22T13:57:09.33 0.3 undecidable manual P 343 323.3319 38 -1.32 19
IV.CMDO.HHZ. 2023-01-22T13:57:08.09 0.3 undecidable manual P 356 287.2902 38 1.92 15
IV.HLNI.HHZ. 2023-01-22T13:57:04.73 0.3 undecidable manual P 15 283.2054 38 -0.93 29
IV.SSY.HHZ. 2023-01-22T13:57:03.22 0.3 undecidable manual P 20 268.4313 38 -0.6 39
IV.RAFF.HHZ. 2023-01-22T13:57:02.08 0.1 undecidable manual P 6 261.1386 38 -0.83 50
ML.XLND.BHE. 2023-01-22T13:57:00.72 0.6 undecidable manual S 6 128.4714 50 0.11 65
ML.MSDA.BHZ. 2023-01-22T13:56:58.02 0.6 undecidable manual S 19 119.4915 50 -0.18 66
IV.HPAC.HHE. 2023-01-22T13:56:57.42 0.6 undecidable manual P 23 220.9122 38 -0.49 39
IV.CROCE.HHZ. 2023-01-22T13:56:56.78 0.3 undecidable manual P 11 220.6125 38 -1.09 46
IV.LPDG.HHE. 2023-01-22T13:56:48.21 0.6 undecidable manual P 299 147.5412 50 0.28 60
IV.LINA.HHE. 2023-01-22T13:56:47.91 0.6 undecidable manual P 316 154.1346 50 -1.04 45
ML.XLND.BHE. 2023-01-22T13:56:45.08 0.3 undecidable manual P 6 128.4714 50 0.09 98
ML.MSDA.BHZ. 2023-01-22T13:56:43.70 0.3 undecidable manual P 19 119.4915 50 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HHE. ML:3.4 0.000603 0.6 AML other m 2023-01-22T13:57:28.40
IV.CROCE.HNE. ML:3.5 0.000793 0.64 AML other m 2023-01-22T13:57:28.40
IV.CROCE.HHN. ML:3.2 0.0003445 1.48 AML other m 2023-01-22T13:57:34.76
IV.PLAC.HHE. ML:3.2 0.0000613 0.58 AML other m 2023-01-22T13:57:35.92
IV.CROCE.HNN. ML:3.2 0.0004205 1.3 AML other m 2023-01-22T13:57:43.02
IV.HLNI.HHE. ML:3.4 0.000345 0.82 AML other m 2023-01-22T13:57:47.97
IV.RAFF.HHE. ML:3.4 0.0004425 1.32 AML other m 2023-01-22T13:57:48.32
IV.SSY.HNE. ML:3.8 0.001065 1.54 AML other m 2023-01-22T13:57:50.11
IV.HLNI.HHN. ML:3.4 0.000393 1.42 AML other m 2023-01-22T13:57:53.99
IV.CMDO.HHE. ML:3.1 0.00019250000000000002 0.42 AML other m 2023-01-22T13:57:53.55
IV.SSY.HHN. ML:4.2 0.0028250000000000003 0.48 AML other m 2023-01-22T13:57:55.21
IV.RAFF.HHN. ML:3.4 0.0004455 1.36 AML other m 2023-01-22T13:57:56.73
IV.SSY.HNN. ML:3.9 0.0011555 0.94 AML other m 2023-01-22T13:57:56.77
IV.SSY.HHE. ML:4.3 0.0033599999999999997 0.92 AML other m 2023-01-22T13:57:57.77
IV.GIB.HHE. ML:3.5 0.0002575 1 AML other m 2023-01-22T13:58:01.86
IV.PLLN.EHN. ML:3.6 0.00036250000000000003 0.86 AML other m 2023-01-22T13:58:02.05
IV.GALF.HHE. ML:3.6 0.00047850000000000003 0.66 AML other m 2023-01-22T13:58:06.57
IV.CMDO.HHN. ML:3.2 0.00019334999999999998 0.42 AML other m 2023-01-22T13:58:10.67
IV.EPZF.HHE. ML:3.6 0.00035150000000000003 1.24 AML other m 2023-01-22T13:58:13.35
IV.CIMI.HHN. ML:3.2 0.000135 1.1 AML other m 2023-01-22T13:58:13.06
IV.MUCR.HHE. ML:3.2 0.000136 0.52 AML other m 2023-01-22T13:58:15.25
IV.CSLB.HNN. ML:3.1 0.00010465 0.98 AML other m 2023-01-22T13:58:15.26
IV.CSLB.HHN. ML:3.0 0.00009209999999999999 1.02 AML other m 2023-01-22T13:58:15.26
IV.CIMI.HHE. ML:3.2 0.000154 1.36 AML other m 2023-01-22T13:58:17.22
IV.MSFR.HHN. ML:3.0 0.00008879999999999999 1.28 AML other m 2023-01-22T13:58:19.00
IV.CSLB.HNE. ML:3.0 0.0000998 0.4 AML other m 2023-01-22T13:58:19.21
IV.CSLB.HHE. ML:2.9 0.00006604999999999999 0.74 AML other m 2023-01-22T13:58:19.24
IV.GALF.HHN. ML:3.8 0.0006245000000000001 0.8 AML other m 2023-01-22T13:58:19.28
IV.MSRU.HHN. ML:3.6 0.000213 0.74 AML other m 2023-01-22T13:58:21.48
IV.MUCR.HHN. ML:3.3 0.000156 1.26 AML other m 2023-01-22T13:58:21.95
IV.EPZF.HHN. ML:3.6 0.000339 1.12 AML other m 2023-01-22T13:58:22.11
IV.PLAC.HHN. ML:3.1 0.000049250000000000004 0.52 AML other m 2023-01-22T13:58:23.26
IV.GIB.HHN. ML:3.5 0.0002515 1.08 AML other m 2023-01-22T13:58:24.29
IV.PLLN.EHE. ML:3.6 0.00031999999999999997 0.84 AML other m 2023-01-22T13:58:25.62
IV.MSFR.HHE. ML:3.0 0.0000921 1.44 AML other m 2023-01-22T13:58:26.05
IV.MSRU.HHE. ML:3.6 0.00022 0.74 AML other m 2023-01-22T13:58:28.66
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