Earthquake with magnitude of ML 3.4 on date 25-04-2023 and time 20:15:15 (Italy) in region Malta [Sea]

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

  • 25-04-2023 18:15:15 (UTC)
  • 25-04-2023 20:15:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 34.7940, 14.1820 at 14 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 2023-04-25
18:15:15
34.7935 14.1817 14 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124948031
Reviewed
Rev100
ML 3.4 2023-04-25
18:15:16
34.7937 14.3753 12 2023-04-25
18:28:15
Sala Sismica INGV-Roma 116747261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 18:15:15 ± 0.43
Latitude 34.7935 ± 0.0270
Longitude 14.1817 ± 0.0230
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124948031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3355
Semi-minor axis of confidence ellipse (meter) 905
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 3350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 1.08009
Epicentral distance of station farthest from the epicenter (degree) 4.74212
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 116747261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 18:28:15

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 124948031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-30 11:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2023-04-25T18:16:27.26 0.6 undecidable manual P 19 526.3731 54 -0.22 12
IV.PLAC.HHZ. 2023-04-25T18:16:18.47 0.3 undecidable manual P 26 452.6025 54 0.17 19
IV.AIO.HHZ. 2023-04-25T18:16:07.84 0.3 undecidable manual P 15 364.7571 54 0.47 20
IV.GIB.HHZ. 2023-04-25T18:16:07.04 0.3 undecidable manual P 358 354.8781 54 0.9 17
IV.CORL.HHZ. 2023-04-25T18:16:06.45 0.6 undecidable manual P 347 352.7802 54 0.57 13
IV.CSLB.HHZ. 2023-04-25T18:16:06.31 0.3 undecidable manual P 358 348.984 54 0.92 17
IV.CIMI.HHZ. 2023-04-25T18:16:05.94 0.3 undecidable manual P 351 346.8861 54 0.8 18
IV.MMGO.HHZ. 2023-04-25T18:16:03.10 0.3 undecidable manual P 342 336.0081 54 -0.68 19
IV.GALF.HHZ. 2023-04-25T18:16:03.97 0.3 undecidable manual P 6 325.4298 54 1.5 13
IV.CMDO.HHZ. 2023-04-25T18:16:01.05 0.6 undecidable manual P 354 297.9795 54 1.99 6
IV.CPTP.HHZ. 2023-04-25T18:15:59.09 0.3 undecidable manual P 360 289.9875 54 1.03 19
IV.SSY.HHZ. 2023-04-25T18:15:56.15 0.3 undecidable manual P 17 274.2144 54 0.05 32
IV.RAFF.HHZ. 2023-04-25T18:15:55.44 0.3 undecidable manual P 3 269.9298 54 -0.13 33
ML.XLND.HHZ. 2023-04-25T18:15:54.84 0.6 undecidable manual S 1 137.4624 91 0.09 48
IV.HAVL.HHZ. 2023-04-25T18:15:53.35 0.3 undecidable manual P 19 254.7561 54 -0.32 36
IV.HMDC.HNN. 2023-04-25T18:15:52.07 0.3 undecidable manual P 13 246.2646 54 -0.55 36
ML.MSDA.BHE. 2023-04-25T18:15:51.53 0.6 undecidable manual S 12 125.874 91 -0.13 49
IV.HVIT.HHZ. 2023-04-25T18:15:51.58 0.3 undecidable manual P 7 245.865 54 -0.99 30
IV.HPAC.HHE. 2023-04-25T18:15:50.24 0.3 undecidable manual P 20 226.0071 54 0.15 46
MN.WDD.HHZ. 2023-04-25T18:15:50.13 0.6 undecidable manual S 15 119.8911 91 0.08 50
IV.CROCE.HHE. 2023-04-25T18:15:49.49 0.3 undecidable manual P 8 228.3936 54 -0.91 36
IV.LPDG.HHE. 2023-04-25T18:15:42.10 0.3 undecidable manual P 300 162.0156 91 0.11 67
IV.LINA.HHE. 2023-04-25T18:15:42.45 0.6 undecidable manual P 315 168.9087 54 -0.54 39
ML.XLND.HHZ. 2023-04-25T18:15:38.07 0.1 undecidable manual P 1 137.4624 91 -0.13 96
ML.MSDA.BHE. 2023-04-25T18:15:36.44 0.1 undecidable manual P 12 125.874 91 0.02 100
MN.WDD.HHZ. 2023-04-25T18:15:35.59 0.1 undecidable manual P 15 119.8911 91 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.WDD.HHE. ML:3.8 0.004935 0.54 AML other m 2023-04-25T18:15:52.59
ML.XLND.BHE. ML:3.2 0.0010699999999999998 0.4 AML other m 2023-04-25T18:15:55.35
MN.WDD.HHN. ML:3.7 0.004025 0.42 AML other m 2023-04-25T18:15:55.63
ML.XLND.HHN. ML:3.3 0.0012000000000000001 0.4 AML other m 2023-04-25T18:16:00.83
ML.XLND.BHN. ML:3.3 0.001155 0.4 AML other m 2023-04-25T18:16:00.85
ML.XLND.HHE. ML:3.2 0.0010789999999999999 0.42 AML other m 2023-04-25T18:16:02.76
IV.MMGO.HHN. ML:2.6 0.00003965 0.76 AML other m 2023-04-25T18:16:25.26
IV.HAVL.HHE. ML:3.7 0.0009805 1.08 AML other m 2023-04-25T18:16:37.06
IV.RAFF.HHN. ML:3.5 0.0005200000000000001 0.72 AML other m 2023-04-25T18:16:40.92
IV.RAFF.HNE. ML:3.2 0.000241 1.48 AML other m 2023-04-25T18:16:43.74
IV.RAFF.HHE. ML:3.4 0.000417 1.42 AML other m 2023-04-25T18:16:43.74
IV.SSY.HHN. ML:4.0 0.0016899999999999999 0.36 AML other m 2023-04-25T18:16:46.20
IV.HAVL.HHN. ML:3.7 0.0009809999999999999 0.46 AML other m 2023-04-25T18:16:46.44
IV.SSY.HNN. ML:3.9 0.001325 0.34 AML other m 2023-04-25T18:16:46.23
IV.CORL.HHN. ML:3.2 0.0001445 1.14 AML other m 2023-04-25T18:16:47.34
IV.CORL.HNN. ML:3.2 0.00014450000000000002 0.52 AML other m 2023-04-25T18:16:47.35
IV.CPTP.HHN. ML:3.5 0.00046350000000000004 0.7 AML other m 2023-04-25T18:16:49.64
IV.SSY.HHE. ML:3.8 0.0009519999999999999 0.96 AML other m 2023-04-25T18:16:49.72
IV.RAFF.HNN. ML:3.2 0.00022 0.7 AML other m 2023-04-25T18:16:50.52
IV.GIB.HHN. ML:3.6 0.000308 1.5 AML other m 2023-04-25T18:16:50.89
IV.CPTP.HHE. ML:3.5 0.0003975 1.3 AML other m 2023-04-25T18:16:51.19
IV.CSLB.HHE. ML:3.0 0.00008494999999999999 0.8 AML other m 2023-04-25T18:16:51.22
IV.SSY.HNE. ML:3.9 0.001295 0.46 AML other m 2023-04-25T18:16:52.87
IV.CORL.HNE. ML:3.2 0.00014250000000000002 1.38 AML other m 2023-04-25T18:16:58.73
IV.GIB.HHE. ML:3.7 0.000382 0.66 AML other m 2023-04-25T18:16:59.58
IV.CORL.HHE. ML:3.2 0.00014500000000000003 0.76 AML other m 2023-04-25T18:16:59.95
IV.GALF.HHN. ML:3.9 0.0007925 0.56 AML other m 2023-04-25T18:17:01.84
IV.GALF.HNN. ML:3.6 0.00041549999999999996 1.32 AML other m 2023-04-25T18:17:01.84
IV.CSLB.HNE. ML:3.1 0.0000986 0.96 AML other m 2023-04-25T18:17:04.08
IV.GALF.HNE. ML:3.5 0.0003165 0.76 AML other m 2023-04-25T18:17:06.43
IV.GALF.HHE. ML:3.8 0.0006605000000000001 0.82 AML other m 2023-04-25T18:17:06.05
IV.CIMI.HHN. ML:3.2 0.00014500000000000003 1.32 AML other m 2023-04-25T18:17:06.97
IV.CIMI.HHE. ML:3.3 0.0001805 0.66 AML other m 2023-04-25T18:17:09.43
IV.MMGO.HHE. ML:2.6 0.00003875 0.42 AML other m 2023-04-25T18:17:10.62
IV.AIO.HHN. ML:3.2 0.0001295 0.84 AML other m 2023-04-25T18:17:11.74
IV.CSLB.HNN. ML:3.1 0.0001175 0.62 AML other m 2023-04-25T18:17:16.62
IV.CSLB.HHN. ML:3.1 0.00011360000000000001 0.62 AML other m 2023-04-25T18:17:16.62
IV.AIO.HHE. ML:3.2 0.0001245 1.08 AML other m 2023-04-25T18:17:18.78
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