Earthquake with magnitude of ML 3.4 on date 25-04-2023 and time 20:15:16 (Italy) in region Malta [Sea]

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

  • 25-04-2023 18:15:16 (UTC)
  • 25-04-2023 20:15:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 34.7940, 14.3750 at 12 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 2023-04-25
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 18:15:16 ± 0.37
Latitude 34.7937 ± 0.0216
Longitude 14.3753 ± 0.0471
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116747261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4304
Semi-minor axis of confidence ellipse (meter) 2297
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 4300.0
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 28
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.24925
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 14
Magnitude 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
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2023-04-25T18:17:12.93 3.0 negative manual Pg 15.67 0
IV.IVPL.HHZ. 2023-04-25T18:16:52.54 3.0 undecidable manual Sn -0.29 0
IV.GIB.HHZ. 2023-04-25T18:16:44.23 0.3 undecidable manual S 355 355.977 54 0.13 22
IV.CORL.HHZ. 2023-04-25T18:16:43.30 0.3 undecidable manual S 345 357.0759 54 -1.03 16
IV.GALF.HHZ. 2023-04-25T18:16:37.74 0.6 undecidable manual S 3 324.0312 54 0.53 14
IV.MMN.HHZ. 2023-04-25T18:16:32.37 3.0 undecidable manual Pn -3.46 0
IV.RAFF.HHZ. 2023-04-25T18:16:28.63 3.0 undecidable manual S 360 269.4303 54 3.19 0
IV.CAR1.HHZ. 2023-04-25T18:16:27.30 3.0 undecidable manual Pn -1.11 0
IV.SSY.HHZ. 2023-04-25T18:16:24.83 0.3 undecidable manual S 13 269.6301 54 -0.66 28
IV.CPTP.HHZ. 2023-04-25T18:16:22.49 3.0 undecidable manual S 356 290.5869 54 -7.51 0
IV.HAVL.HHZ. 2023-04-25T18:16:21.00 0.6 undecidable manual S 15 249.4614 54 -0.14 26
IV.PLAC.HHZ. 2023-04-25T18:16:18.79 3.0 negative manual Pn -0.78 0
IV.AIO.HHZ. 2023-04-25T18:16:07.89 0.1 undecidable manual P 12 360.6612 54 0.41 27
IV.CIMI.HHZ. 2023-04-25T18:16:06.04 0.3 positive manual P 348 349.983 54 -0.11 22
IV.CORL.HHZ. 2023-04-25T18:16:06.76 0.6 undecidable manual P 345 357.0759 54 -0.27 14
IV.GIB.HHZ. 2023-04-25T18:16:06.77 0.1 undecidable manual P 355 355.977 54 -0.12 29
IV.CSLB.HHZ. 2023-04-25T18:16:06.62 0.3 positive manual P 355 349.8831 54 0.48 20
IV.MMGO.HHZ. 2023-04-25T18:16:05.47 0.1 undecidable manual P 339 341.9022 54 0.32 29
IV.GALF.HHZ. 2023-04-25T18:16:02.82 0.1 undecidable manual P 3 324.0312 54 -0.1 30
IV.CMDO.HHZ. 2023-04-25T18:16:00.79 0.1 undecidable manual P 351 300.3771 54 0.82 25
IV.CPTP.HHZ. 2023-04-25T18:15:59.23 0.6 positive manual P 356 290.5869 54 0.47 16
IV.SSY.HHZ. 2023-04-25T18:15:56.40 0.1 undecidable manual P 13 269.6301 54 0.25 42
IV.RAFF.HHZ. 2023-04-25T18:15:55.64 0.1 undecidable manual P 360 269.4303 54 -0.48 40
ML.XLND.HHZ. 2023-04-25T18:15:54.84 0.6 undecidable manual S 354 138.1617 90 -0.55 41
IV.HAVL.HHZ. 2023-04-25T18:15:53.99 0.6 positive manual P 15 249.4614 54 0.35 25
MN.WDD.HHZ. 2023-04-25T18:15:50.13 0.6 undecidable manual S 7 116.5944 91 0.49 47
ML.XLND.HHZ. 2023-04-25T18:15:38.40 0.1 positive manual P 354 138.1617 90 -0.38 89
MN.WDD.HHZ. 2023-04-25T18:15:35.59 0.1 undecidable manual P 7 116.5944 91 0.14 100
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:3.3 0.0001445 1.14 AML other m 2023-04-25T18:16:47.34
IV.CORL.HNN. ML:3.3 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:3.1 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:3.3 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.HHN. ML:3.1 0.00011360000000000001 0.62 AML other m 2023-04-25T18:17:16.62
IV.CSLB.HNN. ML:3.1 0.0001175 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