Earthquake with magnitude of ML 3.4 on date 25-01-2023 and time 01:22:35 (Italy) in region Malta [Sea]

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

  • 25-01-2023 00:22:35 (UTC)
  • 25-01-2023 01:22:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8540, 14.2390 at 18 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 2023-01-25
00:22:35
34.8542 14.239 19 2024-03-01
17:17:59
Bollettino Sismico Italiano INGV 115560441
Reviewed
Rev100
ML 3.4 2023-01-25
00:22:37
34.949 14.5078 10 2023-01-25
02:03:36
Sala Sismica INGV-Roma 113770181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 00:22:35 ± 0.42
Latitude 34.8542 ± 0.0207
Longitude 14.2390 ± 0.0548
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 115560441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4963
Semi-minor axis of confidence ellipse (meter) 2216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 4960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 324
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 1.06480
Epicentral distance of station farthest from the epicenter (degree) 4.66928
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 115560441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-22 12:43:52

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 113770181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 02:03:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHE. 2023-01-25T00:23:47.12 0.6 undecidable manual S 18 280.8078 54 0.73 16
IV.CAR1.HHZ. 2023-01-25T00:23:45.91 0.3 undecidable manual P 19 518.2923 54 -0.09 18
IV.ACATE.HNE. 2023-01-25T00:23:38.48 0.6 undecidable manual S 5 241.8801 54 0.5 25
IV.PLAC.HHZ. 2023-01-25T00:23:37.27 0.3 undecidable manual P 25 444.222 54 0.48 18
IV.HVIT.HHZ. 2023-01-25T00:23:35.92 0.6 undecidable manual S 6 238.5834 54 -1.36 18
IV.CROCE.HHZ. 2023-01-25T00:23:32.97 0.6 undecidable manual S 7 221.0121 54 -0.54 29
IV.MSRU.HHZ. 2023-01-25T00:23:31.22 0.3 undecidable manual P 16 394.8048 54 0.59 19
IV.SOI.EHZ. 2023-01-25T00:23:30.35 0.3 undecidable manual P 24 392.1075 54 0.05 21
IV.MUCR.HHZ. 2023-01-25T00:23:26.39 0.6 undecidable manual P 9 358.2747 54 0.31 14
IV.CIMI.HNE. 2023-01-25T00:23:24.60 0.6 undecidable manual P 350 341.103 54 0.65 13
IV.CSLB.HHZ. 2023-01-25T00:23:24.88 0.3 undecidable manual P 357 342.4017 54 0.77 18
IV.ALJA.HHZ. 2023-01-25T00:23:22.52 0.6 undecidable manual P 352 324.0312 54 0.69 13
IV.CMDO.HHZ. 2023-01-25T00:23:19.89 0.6 undecidable manual P 353 291.8856 54 2.06 6
IV.FAVA.HHE. 2023-01-25T00:23:17.45 0.6 undecidable manual P 349 279.4092 54 1.18 14
IV.CPTP.HHZ. 2023-01-25T00:23:17.35 0.6 undecidable manual P 359 283.3053 54 0.59 17
IV.AGST.EHE. 2023-01-25T00:23:16.17 0.3 undecidable manual P 18 280.8078 54 -0.28 28
IT.LNT.HGZ. 2023-01-25T00:23:16.06 0.3 undecidable manual P 14 278.5101 54 -0.11 30
IV.HLNI.HHE. 2023-01-25T00:23:16.30 0.3 undecidable manual P 11 282.4062 54 -0.35 27
IV.HCRL.HHN. 2023-01-25T00:23:16.38 0.3 undecidable manual P 15 278.7099 54 0.2 29
1J.FX01.HHN. 2023-01-25T00:23:15.06 0.3 undecidable manual P 21 262.3374 54 0.91 27
IV.HAGA.HHZ. 2023-01-25T00:23:15.99 0.6 undecidable manual P 17 281.9067 54 -0.59 17
IV.HSRS.HNN. 2023-01-25T00:23:15.00 0.3 undecidable manual P 19 263.5362 54 0.7 29
IV.RAFF.HHZ. 2023-01-25T00:23:14.29 0.3 undecidable manual P 2 262.9368 54 0.06 35
IV.SSY.HHZ. 2023-01-25T00:23:14.22 0.3 undecidable manual P 16 266.2335 54 -0.42 32
IV.HVZN.HNZ. 2023-01-25T00:23:13.46 0.3 undecidable manual P 9 261.3384 54 -0.56 32
IV.CLTA.HHN. 2023-01-25T00:23:13.49 0.3 undecidable manual P 355 256.7541 54 0.03 37
ML.XLND.HHE. 2023-01-25T00:23:13.12 0.6 undecidable manual S 359 130.6692 94 0.16 48
IV.HAVL.HHZ. 2023-01-25T00:23:11.49 0.3 undecidable manual P 19 246.6642 54 -0.71 34
IV.ACATE.HNE. 2023-01-25T00:23:11.45 0.3 undecidable manual P 5 241.8801 54 -0.15 41
IV.HVIT.HHZ. 2023-01-25T00:23:10.36 0.3 undecidable manual P 6 238.5834 54 -0.83 34
IV.HMDC.HNN. 2023-01-25T00:23:10.78 0.6 undecidable manual P 12 238.5834 54 -0.41 26
IV.HPAC.HHZ. 2023-01-25T00:23:09.52 0.3 undecidable manual P 19 217.9152 54 0.9 38
ML.MSDA.BHE. 2023-01-25T00:23:09.82 0.3 undecidable manual S 11 118.1928 94 0.18 74
IV.CROCE.HHZ. 2023-01-25T00:23:08.34 0.3 undecidable manual P 7 221.0121 54 -0.67 41
ML.XLND.HHE. 2023-01-25T00:22:56.84 0.3 undecidable manual P 359 130.6692 94 -0.31 70
ML.MSDA.BHE. 2023-01-25T00:22:55.14 0.1 undecidable manual P 11 118.1928 94 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:3.6 0.001135 0.38 AML other m 2023-01-25T00:23:19.39
IV.HPAC.HHN. ML:3.6 0.001001 1.18 AML other m 2023-01-25T00:23:19.10
IV.CROCE.HHE. ML:2.8 0.00014250000000000002 0.4 AML other m 2023-01-25T00:23:30.50
IV.CROCE.HHN. ML:3.0 0.00026775745 0.96 AML other m 2023-01-25T00:23:33.60
IV.HAVL.HHE. ML:3.5 0.000554 1.26 AML other m 2023-01-25T00:23:41.26
IV.RAFF.HHE. ML:3.5 0.000492 0.64 AML other m 2023-01-25T00:23:46.68
IV.SSY.HHE. ML:3.9 0.00133 0.5 AML other m 2023-01-25T00:23:48.94
IV.SSY.HNE. ML:3.7 0.0007555000000000001 1.16 AML other m 2023-01-25T00:23:48.16
IV.RAFF.HHN. ML:3.4 0.00046199999999999995 0.62 AML other m 2023-01-25T00:23:48.61
IV.SSY.HNN. ML:3.6 0.0006504999999999999 0.82 AML other m 2023-01-25T00:23:49.61
IV.SSY.HHN. ML:4.2 0.0024649999999999997 0.86 AML other m 2023-01-25T00:23:49.18
IV.SPS2.HHN. ML:2.9 0.0000224 0.34 AML other m 2023-01-25T00:24:03.49
IV.CSLB.HHN. ML:3.2 0.000128 0.66 AML other m 2023-01-25T00:24:05.79
IV.CAR1.HHE. ML:3.5 0.00008135000000000001 1.08 AML other m 2023-01-25T00:24:08.21
IV.CSLB.HNN. ML:3.2 0.00014150000000000002 1.18 AML other m 2023-01-25T00:24:09.66
IV.CSLB.HNE. ML:3.2 0.00012915 0.7 AML other m 2023-01-25T00:24:10.94
IV.CSLB.HHE. ML:3.2 0.00013800000000000002 0.72 AML other m 2023-01-25T00:24:10.59
IV.MUCR.HHN. ML:3.3 0.0001565 0.76 AML other m 2023-01-25T00:24:13.09
IV.MUCR.HHE. ML:3.3 0.00014549999999999999 0.82 AML other m 2023-01-25T00:24:15.60
IV.MSRU.HHE. ML:3.6 0.000222 0.98 AML other m 2023-01-25T00:24:18.89
IV.PLAC.HHN. ML:3.4 0.000111 0.6 AML other m 2023-01-25T00:24:25.93
IV.MSRU.HHN. ML:3.5 0.00020800000000000001 0.44 AML other m 2023-01-25T00:24:26.86
IV.PLAC.HHE. ML:3.4 0.00011525000000000001 0.76 AML other m 2023-01-25T00:24:31.43
IV.CAR1.HHN. ML:3.6 0.00009554999999999999 0.42 AML other m 2023-01-25T00:24:45.81
IV.SPS2.HHE. ML:2.9 0.000018599999999999998 0.42 AML other m 2023-01-25T00:25:01.14
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