Earthquake with magnitude of ML 3.4 on date 22-01-2023 and time 14:56:23 (Italy) 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) 34.8880, 14.0510 at 10 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 3.4 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 ± 0.48
Latitude 34.8882 ± 0.0306
Longitude 14.0507 ± 0.0351
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113732471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4020
Semi-minor axis of confidence ellipse (meter) 2320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 318
Circular confidence region, given by single value of horizontal uncertainty (meter) 4020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 271
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 1.07199
Epicentral distance of station farthest from the epicenter (degree) 4.04065
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitude 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
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2023-01-22T13:57:31.51 0.3 undecidable manual S 6 2.3463 38 -0.13 47
IV.PLAC.HHZ. 2023-01-22T13:57:25.95 0.1 undecidable manual P 28 4.0407 38 -0.4 33
IV.SICLA.EHZ. 2023-01-22T13:57:20.01 0.6 negative manual P 21 3.6207 38 -0.54 17
IV.MSRU.HHZ. 2023-01-22T13:57:20.16 0.1 undecidable manual P 19 3.5703 38 0.31 36
IV.MSFR.HHZ. 2023-01-22T13:57:15.64 0.6 positive manual P 8 3.1737 38 1.27 13
IV.MUCR.HHZ. 2023-01-22T13:57:15.50 0.3 negative manual P 12 3.2214 38 0.47 27
IV.PLLN.EHZ. 2023-01-22T13:57:14.90 0.6 positive manual P 1 3.1036 38 1.5 11
IV.GIB.HHZ. 2023-01-22T13:57:14.01 0.1 undecidable manual P 360 3.1000 38 0.66 34
IV.CSLB.HHZ. 2023-01-22T13:57:13.21 0.1 undecidable manual P 0 3.0478 38 0.59 35
IV.EPZF.HHZ. 2023-01-22T13:57:13.02 0.1 undecidable manual P 12 3.0046 38 0.98 30
IV.CIMI.HHZ. 2023-01-22T13:57:12.91 0.1 undecidable manual P 353 3.0163 38 0.72 34
IV.GALF.HHZ. 2023-01-22T13:57:10.99 0.3 positive manual P 8 2.8509 38 1.08 22
IV.MMGO.HHZ. 2023-01-22T13:57:09.37 0.1 undecidable manual P 343 2.9039 38 -1.27 26
IV.CMDO.HHZ. 2023-01-22T13:57:08.08 0.1 undecidable manual P 356 2.5811 38 1.9 21
IV.HLNI.HHZ. 2023-01-22T13:57:04.84 0.3 positive manual P 15 2.5469 38 -0.87 30
IV.SSY.HHZ. 2023-01-22T13:57:03.52 0.1 undecidable manual P 20 2.4138 38 -0.35 56
IV.RAFF.HHZ. 2023-01-22T13:57:02.08 0.1 undecidable manual P 6 2.3463 38 -0.86 50
ML.XLND.BHE. 2023-01-22T13:57:00.72 0.6 undecidable manual S 7 1.1520 50 0.16 64
IV.HPAC.HHE. 2023-01-22T13:56:58.22 0.6 undecidable manual P 23 1.9875 38 0.24 41
ML.MSDA.BHZ. 2023-01-22T13:56:58.02 0.6 undecidable manual S 19 1.0720 50 -0.18 65
IV.CROCE.HHZ. 2023-01-22T13:56:56.80 0.1 undecidable manual P 11 1.9821 38 -1.11 60
IV.LPDG.HHE. 2023-01-22T13:56:48.21 0.6 undecidable manual P 299 1.3202 50 0.34 59
IV.LINA.HHE. 2023-01-22T13:56:47.91 0.6 undecidable manual P 316 1.3796 50 -0.98 46
ML.XLND.BHE. 2023-01-22T13:56:45.08 0.3 undecidable manual P 7 1.1520 50 0.08 98
ML.MSDA.BHZ. 2023-01-22T13:56:43.70 0.3 undecidable manual P 19 1.0720 50 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HNE. ML:3.5 0.000793 0.64 AML other m 2023-01-22T13:57:28.40
IV.CROCE.HHE. ML:3.4 0.000603 0.6 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:2.8 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