Earthquake with magnitude of ML 2.9 on date 01-02-2023 and time 23:55:07 (UTC) in region Malta [Sea]

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

  • 01-02-2023 23:55:07 (UTC)
  • 02-02-2023 00:55:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8530, 14.3870 at 9 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 2.9 2023-02-01
23:55:07
34.8528 14.3868 9 2023-02-02
00:13:02
Sala Sismica INGV-Roma 113968061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 23:55:07 ± 0.67
Latitude 34.8528 ± 0.0297
Longitude 14.3868 ± 0.0384
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113968061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4170
Semi-minor axis of confidence ellipse (meter) 2480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 4170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 306
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.60529
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 3
Magnitude information

ML:2.9

Field Value
Value 2.9
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 113968061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-02 00:13:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2023-02-01T23:56:09.73 3.0 positive manual Pn -1.52 0
IV.IVPL.HHZ. 2023-02-01T23:56:04.62 3.0 positive manual P 0.86 0
IV.MSRU.HHZ. 2023-02-01T23:56:04.04 3.0 positive manual Pn 0.07 0
IV.MPNC.HHZ. 2023-02-01T23:56:01.83 3.0 negative manual P -0.02 0
IV.MUCR.HHZ. 2023-02-01T23:55:59.84 3.0 positive manual P 0.78 0
IV.PLLN.EHZ. 2023-02-01T23:55:59.60 3.0 negative manual P 1.32 0
IV.CSLB.HHZ. 2023-02-01T23:55:58.72 3.0 positive manual P 1.01 0
IV.LINA.HHE. 2023-02-01T23:55:58.32 0.6 undecidable manual S 310 1.6053 38 0.03 41
IV.CIMI.HHZ. 2023-02-01T23:55:57.35 3.0 positive manual Pn -1.33 0
IV.CPTP.HHZ. 2023-02-01T23:55:50.73 3.0 positive manual Pg 0.43 0
IV.AGST.EHZ. 2023-02-01T23:55:49.20 3.0 undecidable manual P 0
IV.HLNI.HHZ. 2023-02-01T23:55:48.72 3.0 positive manual P -0.79 0
ML.XLND.BHE. 2023-02-01T23:55:45.56 0.6 undecidable manual S 353 1.1862 50 -0.35 46
ML.MSDA.BHE. 2023-02-01T23:55:42.26 0.3 undecidable manual S 4 1.0504 50 0.37 71
IV.LINA.HHE. 2023-02-01T23:55:37.39 0.6 undecidable manual P 310 1.6053 38 0.42 38
ML.XLND.BHE. 2023-02-01T23:55:29.42 0.1 undecidable manual P 353 1.1862 50 -0.4 90
ML.MSDA.BHE. 2023-02-01T23:55:27.58 0.1 undecidable manual P 4 1.0504 50 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:2.7 0.000040294355 0.512 AML other m 2023-02-01T23:56:43.78
IV.CIMI.HHE. ML:2.8 0.000054934415 0.3584 AML other m 2023-02-01T23:56:01.29
IV.PLLN.EHN. ML:3.3 0.0001578386 0.5632 AML other m 2023-02-01T23:56:09.44
IV.MPNC.HHE. ML:3.1 0.00009111213500000001 0.4736 AML other m 2023-02-01T23:56:13.72
IV.HLNI.HHN. ML:2.7 0.00007728456 0.3584 AML other m 2023-02-01T23:56:25.00
IV.HLNI.HHE. ML:2.7 0.000077503865 0.2944 AML other m 2023-02-01T23:56:30.13
IV.CSLB.HHN. ML:2.5 0.00002605 1.58 AML other m 2023-02-01T23:56:39.03
IV.PLLN.EHE. ML:3.2 0.0001425496 1.1008 AML other m 2023-02-01T23:56:38.52
IV.CSLB.HHE. ML:2.5 0.000031 1.34 AML other m 2023-02-01T23:56:39.93
IV.CIMI.HHN. ML:2.9 0.00007291416000000001 0.8192 AML other m 2023-02-01T23:56:44.13
IV.MPNC.HHN. ML:3.0 0.00007331718500000001 0.5632 AML other m 2023-02-01T23:56:53.45
IV.MUCR.HHE. ML:2.6 0.000037478405 0.5888 AML other m 2023-02-01T23:56:55.94
IV.AGST.EHE. ML:2.9 0.0001175832 0.4096 AML other m 2023-02-01T23:56:30.59
IV.AGST.EHN. ML:3.1 0.0001762103 0.4608 AML other m 2023-02-01T23:56:23.90
IV.CPTP.HHN. ML:2.8 0.00009391321 0.5632 AML other m 2023-02-01T23:56:26.32
IV.CIMI.HNN. ML:3.0 0.00008702959000000001 0.7168 AML other m 2023-02-01T23:56:44.06
IV.CIMI.HNE. ML:2.9 0.00006794040999999999 0.3584 AML other m 2023-02-01T23:56:06.89
IV.CSLB.HNE. ML:2.8 0.000058816229999999996 1.088 AML other m 2023-02-01T23:56:13.33
IV.CSLB.HNN. ML:2.8 0.000054904935 1.1776 AML other m 2023-02-01T23:56:20.92
IV.MSRU.HHE. ML:3.0 0.000064611315 0.576 AML other m 2023-02-01T23:56:20.26
IV.MSRU.HHN. ML:3.0 0.0000531109 0.7168 AML other m 2023-02-01T23:56:45.88
IV.IVPL.HHE. ML:3.3 0.00011479665 0.8704 AML other m 2023-02-01T23:56:05.61
IV.IVPL.HHN. ML:3.3 0.00010867041500000001 0.8704 AML other m 2023-02-01T23:56:48.44
IV.IVPL.HNE. ML:2.7 0.000029264143 0.0128 AML other m 2023-02-01T23:56:53.51
IV.IVPL.HNN. ML:2.8 0.000033403015 0.128 AML other m 2023-02-01T23:56:46.07
IV.PLAC.HNE. ML:3.2 0.0000711701085 1.1264 AML other m 2023-02-01T23:56:46.26
IV.PLAC.HNN. ML:3.2 0.00006785524 1.1136 AML other m 2023-02-01T23:56:59.42
IV.PLAC.HHE. ML:2.9 0.000035483670000000005 0.96 AML other m 2023-02-01T23:56:35.67
IV.PLAC.HHN. ML:2.8 0.000031472585 1.1648 AML other m 2023-02-01T23:56:58.55
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