Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.9 on date 30-01-2023 and time 04:14:24 (UTC) in region Malta [Sea]

A magnitude ML 2.9 earthquake occured in region: Malta [Sea], on

  • 30-01-2023 04:14:24 (UTC)
  • 30-01-2023 05:14:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8430, 14.4850 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.

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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
Reviewed
Rev100 		ML 2.9 2023-01-30
04:14:24		 34.8427 14.4848 10 2023-01-30
07:35:36		 Sala Sismica INGV-Roma 113905081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 04:14:24 ± 0.49
Latitude 34.8427 ± 0.0324
Longitude 14.4848 ± 0.0712
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113905081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6490
Semi-minor axis of confidence ellipse (meter) 3580
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) 6490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 331
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.93004
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.9

Field Value
Value 2.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 113905081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 07:35:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HLNI.HHE. 2023-01-30T04:15:36.65 0.6 undecidable manual S 7 2.5235 38 0.21 42
IV.HAGA.HHE. 2023-01-30T04:15:35.75 0.6 undecidable manual S 12 2.5001 38 -0.13 44
IV.RAFF.HHZ. 2023-01-30T04:15:33.00 0.6 undecidable manual S 358 2.3805 38 -0.01 47
IV.HMDC.HHE. 2023-01-30T04:15:26.91 0.6 undecidable manual S 6 2.1287 38 -0.08 51
IV.PLAC.HHZ. 2023-01-30T04:15:25.84 0.1 undecidable manual P 23 3.9300 38 0.46 34
IV.MUCR.HHZ. 2023-01-30T04:15:15.71 0.1 undecidable manual P 5 3.2133 38 0.23 59
IV.CSLB.HHZ. 2023-01-30T04:15:13.76 0.1 undecidable manual P 354 3.1117 38 -0.32 61
IV.EPZF.HHZ. 2023-01-30T04:15:13.27 0.1 undecidable manual P 6 2.9947 38 0.81 56
IV.GALF.HHZ. 2023-01-30T04:15:11.40 0.1 undecidable manual P 1 2.8670 38 0.71 62
IV.CPTP.HHE. 2023-01-30T04:15:06.96 0.1 undecidable manual P 354 2.5766 38 0.28 82
IV.HAGA.HHE. 2023-01-30T04:15:05.32 0.1 undecidable manual P 12 2.5001 38 -0.31 84
IV.HLNI.HHE. 2023-01-30T04:15:05.33 0.1 undecidable manual P 7 2.5235 38 -0.62 76
IV.AGST.EHE. 2023-01-30T04:15:05.33 0.1 undecidable manual P 14 2.4857 38 -0.1 88
IV.HCRL.HHE. 2023-01-30T04:15:05.47 0.1 undecidable manual P 10 2.4785 38 0.14 88
IV.HVZN.HHE. 2023-01-30T04:15:04.10 0.1 undecidable manual P 4 2.3418 38 0.66 81
IV.SSY.HHE. 2023-01-30T04:15:03.63 0.1 undecidable manual P 11 2.3616 38 -0.09 93
IV.HSRS.HHE. 2023-01-30T04:15:03.28 0.1 undecidable manual P 15 2.3265 38 0.05 95
IV.RAFF.HHZ. 2023-01-30T04:15:03.13 0.1 undecidable manual P 358 2.3805 38 -0.84 73
1J.FX01.HHE. 2023-01-30T04:15:02.25 0.1 undecidable manual P 16 2.3095 38 -0.75 79
IV.CLTA.HHZ. 2023-01-30T04:15:02.03 3.0 undecidable manual P 0
IV.ACATE.EHE. 2023-01-30T04:15:01.30 0.1 undecidable manual P 0 2.1800 38 0.09 100
IV.HMDC.HHE. 2023-01-30T04:15:01.09 0.1 undecidable manual P 6 2.1287 38 0.59 90
IV.HAVL.HHE. 2023-01-30T04:15:00.67 0.1 undecidable manual P 14 2.1773 38 -0.5 92
IV.HVIT.HHE. 2023-01-30T04:15:00.18 0.1 undecidable manual P 1 2.1485 38 -0.59 89
IV.HPAC.HHN. 2023-01-30T04:14:58.16 0.1 undecidable manual P 13 1.9174 38 0.58 98
IV.CROCE.HHZ. 2023-01-30T04:14:56.85 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHE. ML:2.6 0.0000337 0.64 AML other m 2023-01-30T04:15:20.51
IV.CSLB.HHN. ML:2.6 0.000036400000000000004 0.42 AML other m 2023-01-30T04:15:21.68
IV.GALF.HHE. ML:3.3 0.0001995 1.5 AML other m 2023-01-30T04:15:25.03
IV.MUCR.HHE. ML:2.8 0.00005714999999999999 0.42 AML other m 2023-01-30T04:15:26.54
IV.GALF.HHN. ML:3.3 0.00019350000000000001 0.44 AML other m 2023-01-30T04:15:31.39
IV.MUCR.HHN. ML:2.9 0.00006345000000000001 1.58 AML other m 2023-01-30T04:15:32.01
IV.RAFF.HHE. ML:3.1 0.000227 1.66 AML other m 2023-01-30T04:15:34.12
IV.RAFF.HHN. ML:2.9 0.000122 1.58 AML other m 2023-01-30T04:15:35.90
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