Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.6 on date 02-10-2021 and time 04:39:33 (Italy) in region Malta [Sea]

A magnitude ML 3.6 earthquake occured in region: Malta [Sea], on

  • 02-10-2021 02:39:33 (UTC)
  • 02-10-2021 04:39:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 34.7980, 14.0380 at 22 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3.6 2021-10-02
02:39:33		 34.7982 14.0377 22 2022-03-30
13:04:14		 Bollettino Sismico Italiano INGV 97188531
Reviewed
Rev100 		ML 3.6 2021-10-02
02:39:33		 34.7343 14.3382 19 2021-10-02
02:55:48		 Sala Sismica INGV-Roma 96119051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-02 02:39:33 ± 0.5
Latitude 34.7982 ± 0.0324
Longitude 14.0377 ± 0.0668
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97188531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6336
Semi-minor axis of confidence ellipse (meter) 3032
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 6340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 318
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.73493
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:3.6

Field Value
Value 3.6
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 96119051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-02 02:55:48

ML:3.6

Field Value
Value 3.6
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 97188531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-07 16:47:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2021-10-02T02:41:31.59 3.0 undecidable manual Pg 12.46 0
OT.OT17.EHZ. 2021-10-02T02:41:29.89 3.0 positive manual Pg 13.76 0
OT.CGL1.HHZ. 2021-10-02T02:41:19.86 3.0 negative manual Pg 10.24 0
IV.SERS.HHZ. 2021-10-02T02:40:44.99 0.6 undecidable manual P 26 525.5739 54 0.34 24
IV.RAFF.HHZ. 2021-10-02T02:40:41.96 0.6 undecidable manual S 6 270.5292 54 0.26 43
IV.HAVL.HHZ. 2021-10-02T02:40:38.40 0.6 undecidable manual S 22 258.8409 54 -0.78 41
IV.PLAC.HHZ. 2021-10-02T02:40:36.33 0.3 undecidable manual P 27 457.9971 54 0.1 41
IV.HVIT.HHZ. 2021-10-02T02:40:36.62 0.6 undecidable manual S 10 247.2636 54 -0.07 55
IV.HMDC.HHZ. 2021-10-02T02:40:36.97 0.6 undecidable manual S 15 248.862 54 -0.07 54
IV.MPNC.HHZ. 2021-10-02T02:40:28.37 0.3 undecidable manual P 17 389.5212 54 0.65 38
IV.MCPD.HHZ. 2021-10-02T02:40:26.60 0.3 undecidable manual P 9 373.6482 54 0.86 36
IV.EMSG.HHZ. 2021-10-02T02:40:23.81 1.0 undecidable manual P 13 345.099 54 1.62 8
IV.SOLUN.HHZ. 2021-10-02T02:40:23.84 0.3 undecidable manual P 353 368.1537 54 -1.22 30
IV.EPZF.HHZ. 2021-10-02T02:40:23.45 0.3 undecidable manual P 12 343.6005 54 1.45 27
IV.PLLN.EHZ. 2021-10-02T02:40:23.86 0.3 undecidable manual P 1 354.4785 54 0.5 42
IV.CSLB.HHZ. 2021-10-02T02:40:22.75 0.3 undecidable manual P 0 348.2847 54 0.17 45
IV.EMPL.HHZ. 2021-10-02T02:40:21.12 1.0 undecidable manual P 14 330.3249 54 0.77 13
IV.GALF.HHZ. 2021-10-02T02:40:21.10 1.0 undecidable manual P 8 326.5287 54 1.22 10
IV.CMDO.HHZ. 2021-10-02T02:40:17.75 0.6 undecidable manual P 356 296.3811 54 1.63 18
IV.CPTP.HHZ. 2021-10-02T02:40:16.11 0.3 undecidable manual P 2 289.6878 54 0.82 44
IV.SCIAC.HHN. 2021-10-02T02:40:15.80 0.3 undecidable manual P 345 312.9534 54 -2.39 13
IV.SSY.HHZ. 2021-10-02T02:40:13.86 0.3 undecidable manual P 19 277.8108 54 0.05 63
IV.HSRS.HNN. 2021-10-02T02:40:13.22 0.6 undecidable manual P 22 275.9127 54 -0.35 40
IV.RAFF.HHZ. 2021-10-02T02:40:12.52 0.3 undecidable manual P 6 270.5292 54 -0.39 63
IV.HVZN.HHZ. 2021-10-02T02:40:12.98 0.6 undecidable manual P 13 270.9288 54 0.02 45
IV.CLTA.HHZ. 2021-10-02T02:40:11.52 0.6 undecidable manual P 359 261.8379 54 -0.31 47
IV.HAVL.HHZ. 2021-10-02T02:40:10.77 0.3 undecidable manual P 22 258.8409 54 -0.68 64
MN.WDD.HHE. 2021-10-02T02:40:09.35 0.6 undecidable manual S 21 123.3876 95 0.24 100
IV.HVIT.HHZ. 2021-10-02T02:40:09.30 0.3 undecidable manual P 10 247.2636 54 -0.72 69
IV.HMDC.HHZ. 2021-10-02T02:40:09.72 0.6 undecidable manual P 15 248.862 54 -0.5 50
IV.ISPIC.EHZ. 2021-10-02T02:40:08.76 0.3 undecidable manual P 19 233.2887 54 0.49 84
IV.HPAC.HHZ. 2021-10-02T02:40:07.98 0.6 undecidable manual P 23 230.1918 54 0.09 62
MN.WDD.HHE. 2021-10-02T02:39:53.64 0.6 undecidable manual P 21 123.3876 95 -0.45 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHN. ML:3.5 0.000716 0.4 AML other m 2021-10-02T02:40:17.59
IV.HPAC.HHE. ML:3.4 0.00052376025 1.68 AML other m 2021-10-02T02:40:17.88
IV.GALF.HNN. ML:3.2 0.0001629174 1 AML other m 2021-10-02T02:40:24.04
IV.ISPIC.HNN. ML:3.2 0.0003833821 0.4608 AML other m 2021-10-02T02:40:28.21
IV.CMDO.HHN. ML:3.0 0.00013984625 1.0592 AML other m 2021-10-02T02:40:32.67
IV.ISPIC.HNE. ML:3.2 0.00035887225 1.6 AML other m 2021-10-02T02:40:34.04
IV.ISPIC.EHE. ML:3.2 0.00031732445 1.6208 AML other m 2021-10-02T02:40:34.04
IV.ISPIC.EHN. ML:3.3 0.00039102444999999995 0.6 AML other m 2021-10-02T02:40:36.15
IV.HMDC.HHN. ML:3.5 0.00056167665 0.4 AML other m 2021-10-02T02:40:37.32
IV.HMDC.HNN. ML:3.5 0.00055167955 0.6 AML other m 2021-10-02T02:40:38.64
IV.HMDC.HNE. ML:3.3 0.00038900959999999994 0.3408 AML other m 2021-10-02T02:40:39.64
IV.PLAC.HHE. ML:3.3 0.00007242854 1.56 AML other m 2021-10-02T02:40:40.89
IV.HMDC.HHE. ML:3.3 0.0003943572 0.36 AML other m 2021-10-02T02:40:40.51
IV.HVIT.HHN. ML:3.7 0.0009290163500000001 1.48 AML other m 2021-10-02T02:40:41.84
IV.HVIT.HHE. ML:3.6 0.00086775195 0.36 AML other m 2021-10-02T02:40:41.82
IV.EMSG.HHN. ML:3.6 0.000375 0.54 AML other m 2021-10-02T02:40:43.90
IV.EMSG.HHE. ML:3.6 0.00036750000000000004 1.26 AML other m 2021-10-02T02:40:44.24
IV.HAVL.HHE. ML:3.6 0.00073820865 1.7408 AML other m 2021-10-02T02:40:46.03
IV.HAVL.HHN. ML:3.7 0.0009527534 0.24 AML other m 2021-10-02T02:40:46.81
IV.MPNC.HHE. ML:3.9 0.0004615 0.58 AML other m 2021-10-02T02:40:47.82
IV.HVZN.HNE. ML:3.7 0.0008778962500000001 0.4304 AML other m 2021-10-02T02:40:49.35
IV.HVZN.HHE. ML:3.7 0.00089177875 0.44 AML other m 2021-10-02T02:40:49.13
IV.RAFF.HHE. ML:3.7 0.00085557945 0.3808 AML other m 2021-10-02T02:40:50.83
IV.HVZN.HNN. ML:3.8 0.0010480767499999998 1.6512 AML other m 2021-10-02T02:40:51.04
IV.HVZN.HHN. ML:3.8 0.0010897791000000002 1.6608 AML other m 2021-10-02T02:40:51.04
IV.CMDO.HHE. ML:2.9 0.00011014011 0.8 AML other m 2021-10-02T02:40:51.13
IV.SSY.HHE. ML:4.0 0.0016191996 0.5408 AML other m 2021-10-02T02:40:51.50
IV.GALF.HNE. ML:3.2 0.00013954394000000001 1.3392 AML other m 2021-10-02T02:40:51.18
IV.SSY.HHN. ML:4.4 0.004077044 0.2992 AML other m 2021-10-02T02:40:52.33
IV.RAFF.HHN. ML:3.7 0.0008911573500000001 1.2416 AML other m 2021-10-02T02:40:55.80
IV.GALF.HHE. ML:3.7 0.0005687785999999999 0.88 AML other m 2021-10-02T02:40:58.29
IV.GALF.HHN. ML:3.9 0.0007505 1.28 AML other m 2021-10-02T02:41:01.08
IV.EMPL.HHN. ML:4.0 0.00096938875 0.4208 AML other m 2021-10-02T02:41:01.30
IV.CPTP.HHE. ML:3.7 0.0007210447 0.5792 AML other m 2021-10-02T02:41:03.94
IV.CSLB.HHN. ML:3.4 0.00021400000000000002 0.74 AML other m 2021-10-02T02:41:04.56
IV.EMPL.HHE. ML:4.0 0.0010184999999999999 0.36 AML other m 2021-10-02T02:41:04.73
IV.CPTP.HHN. ML:3.7 0.0006494245 1.0192 AML other m 2021-10-02T02:41:05.32
IV.CSLB.HHE. ML:3.5 0.0002605 1.04 AML other m 2021-10-02T02:41:05.26
IV.PLLN.EHN. ML:4.1 0.000969 0.8 AML other m 2021-10-02T02:41:07.82
IV.EPZF.HHE. ML:3.6 0.00034395244999999995 0.4384 AML other m 2021-10-02T02:41:07.96
IV.PLLN.EHE. ML:4.0 0.0009264184500000001 1.0192 AML other m 2021-10-02T02:41:08.87
IV.EPZF.HHN. ML:3.8 0.0005434999999999999 1.5 AML other m 2021-10-02T02:41:10.91
IV.MCPD.HHN. ML:3.3 0.00014641189999999997 0.4592 AML other m 2021-10-02T02:41:10.50
IV.MPNC.HHN. ML:3.7 0.0003215 0.64 AML other m 2021-10-02T02:41:20.43
IV.IACL.HHE. ML:3.8 0.000326 0.5 AML other m 2021-10-02T02:41:21.50
IV.IACL.HHN. ML:3.7 0.00028300000000000005 0.42 AML other m 2021-10-02T02:41:22.55
IV.PLAC.HNN. ML:3.5 0.0001185 0.66 AML other m 2021-10-02T02:41:25.80
IV.PLAC.HNE. ML:3.5 0.00012192006 0.5296 AML other m 2021-10-02T02:41:26.87
IV.PLAC.HHN. ML:3.5 0.000115337175 0.52 AML other m 2021-10-02T02:41:30.94
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