Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.0 on date 24-02-2023 and time 02:12:36 (UTC) in region Malta [Sea]

A magnitude ML 3.0 earthquake occured in region: Malta [Sea], on

  • 24-02-2023 02:12:36 (UTC)
  • 24-02-2023 03:12:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8640, 14.2380 at 17 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.

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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 3.0 2023-02-24
02:12:36		 34.8645 14.2377 17 2024-03-01
17:18:01		 Bollettino Sismico Italiano INGV 116005251
Reviewed
Rev100 		ML 1.8 2023-02-24
02:13:05		 36.741 14.7602 9 2023-02-24
02:36:38		 Sala Sismica INGV-Roma 114748431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-24 02:12:36 ± 0.54
Latitude 34.8645 ± 0.0297
Longitude 14.2377 ± 0.0877
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116005251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8225
Semi-minor axis of confidence ellipse (meter) 2636
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 8220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 336
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 1.05580
Epicentral distance of station farthest from the epicenter (degree) 3.12874
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 114748431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-24 02:36:38

ML:3.0

Field Value
Value 3.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116005251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-22 19:45:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2023-02-24T02:13:48.25 0.6 undecidable manual S 11 281.4072 54 0.25 19
IV.HAVL.HHZ. 2023-02-24T02:13:40.61 0.6 undecidable manual S 19 245.6652 54 0.32 25
IV.CROCE.HHZ. 2023-02-24T02:13:34.11 0.6 undecidable manual S 7 219.9132 54 -0.65 28
IV.GIB.HHZ. 2023-02-24T02:13:27.37 0.3 undecidable manual P 357 347.2857 54 1.25 15
IV.PLLN.EHZ. 2023-02-24T02:13:27.82 0.3 undecidable manual P 359 347.0859 54 1.72 11
IV.CPTP.HHZ. 2023-02-24T02:13:19.15 0.3 undecidable manual P 359 282.2064 54 1.13 20
IV.AGST.EHZ. 2023-02-24T02:13:18.25 0.3 undecidable manual P 18 279.8088 54 0.52 27
IV.HLNI.HHZ. 2023-02-24T02:13:17.54 0.1 undecidable manual P 11 281.4072 54 -0.38 36
IV.HCRL.HHN. 2023-02-24T02:13:17.31 0.3 undecidable manual P 15 277.611 54 -0.14 30
IV.HAGA.HHZ. 2023-02-24T02:13:17.73 0.3 undecidable manual P 17 280.8078 54 -0.12 29
IV.SSY.HHZ. 2023-02-24T02:13:16.38 0.3 undecidable manual P 16 265.2345 54 0.47 31
IV.HSRS.HNN. 2023-02-24T02:13:16.47 0.6 undecidable manual P 19 262.5372 54 0.89 18
IV.RAFF.HHZ. 2023-02-24T02:13:15.33 0.1 undecidable manual P 2 261.8379 54 -0.16 46
IV.CLTA.HHN. 2023-02-24T02:13:14.64 0.6 undecidable manual P 355 255.6552 54 -0.08 25
IV.HAVL.HHZ. 2023-02-24T02:13:13.02 0.1 undecidable manual P 19 245.6652 54 -0.45 49
IV.HMDC.HHZ. 2023-02-24T02:13:12.68 0.3 undecidable manual P 12 237.4845 54 0.22 41
IV.HVIT.HHZ. 2023-02-24T02:13:11.64 0.3 undecidable manual P 6 237.4845 54 -0.82 34
ML.MSDA.BHE. 2023-02-24T02:13:10.76 0.6 undecidable manual S 11 117.1938 93 0.15 49
IV.HPAC.HHZ. 2023-02-24T02:13:10.07 0.3 undecidable manual P 19 216.8163 54 0.18 48
IV.CROCE.HHZ. 2023-02-24T02:13:09.75 0.1 undecidable manual P 7 219.9132 54 -0.53 58
ML.MSDA.BHE. 2023-02-24T02:12:56.24 0.1 undecidable manual P 11 117.1938 93 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HHN. ML:2.3 0.000048799999999999994 1.02 AML other m 2023-02-24T02:13:14.91
IV.HPAC.HHN. ML:3.0 0.000273 0.26 AML other m 2023-02-24T02:13:16.48
IV.CROCE.HHE. ML:2.1 0.00003225 0.46 AML other m 2023-02-24T02:13:16.49
IV.HPAC.HHE. ML:3.0 0.00028100000000000005 0.38 AML other m 2023-02-24T02:13:22.70
IV.HAVL.HHN. ML:3.0 0.0002055 0.26 AML other m 2023-02-24T02:13:24.81
IV.SSY.HHE. ML:3.2 0.000236 1.7 AML other m 2023-02-24T02:13:29.96
IV.SSY.HNN. ML:3.0 0.000174 0.62 AML other m 2023-02-24T02:13:31.95
IV.SSY.HHN. ML:3.6 0.0006825 0.28 AML other m 2023-02-24T02:13:32.63
IV.SSY.HNE. ML:3.1 0.00021200000000000003 0.28 AML other m 2023-02-24T02:13:32.49
IV.HAVL.HHE. ML:2.8 0.00011999999999999999 0.32 AML other m 2023-02-24T02:13:35.73
IV.RAFF.HHN. ML:2.5 0.00004985 1.28 AML other m 2023-02-24T02:13:41.32
IV.RAFF.HHE. ML:2.6 0.0000649 0.5 AML other m 2023-02-24T02:13:43.00
IV.HLNI.HHE. ML:2.7 0.0000759 0.78 AML other m 2023-02-24T02:13:48.60
IV.HLNI.HHN. ML:2.7 0.00006735 0.74 AML other m 2023-02-24T02:13:49.77
IV.AGST.EHE. ML:3.0 0.0001485 0.92 AML other m 2023-02-24T02:13:49.88
IV.AGST.EHN. ML:3.1 0.000178 1.54 AML other m 2023-02-24T02:13:51.82
IV.PLLN.EHE. ML:3.2 0.0001375 0.76 AML other m 2023-02-24T02:14:08.51
IV.GIB.HHN. ML:3.1 0.00011425 1.3 AML other m 2023-02-24T02:14:09.87
IV.GIB.HHE. ML:3.2 0.0001285 1.34 AML other m 2023-02-24T02:14:10.99
IV.PLLN.EHN. ML:3.2 0.00013350000000000002 0.6 AML other m 2023-02-24T02:14:11.56
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