Earthquake with magnitude of ML 3.7 on date 13-12-2021 and time 02:26:00 (UTC) in region Malta [Sea]

A magnitude ML 3.7 earthquake occured in region: Malta [Sea], on

  • 13-12-2021 02:26:00 (UTC)
  • 13-12-2021 03:26:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8290, 14.0850 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.

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 3.7 2021-12-13
02:26:00
34.829 14.0848 22 2022-03-30
13:04:21
Bollettino Sismico Italiano INGV 98541041
Reviewed
Rev100
ML 3.8 2021-12-13
02:25:59
34.6723 13.9747 38 2021-12-13
02:39:19
Sala Sismica INGV-Roma 98448431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-13 02:26:00 ± 0.37
Latitude 34.8290 ± 0.0252
Longitude 14.0848 ± 0.0351
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 98541041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3839
Semi-minor axis of confidence ellipse (meter) 1556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 3840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 42
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) 4.96246
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:3.7

Field Value
Value 3.7
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 98541041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-31 12:09:35

ML:3.8

Field Value
Value 3.8
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 98448431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-13 02:39:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-12-13T02:27:55.26 3.0 undecidable manual Pn -2.04 0
IV.CAFE.HHE. 2021-12-13T02:27:48.02 3.0 undecidable manual Pg 15.42 0
IV.SGRT.HHN. 2021-12-13T02:27:48.14 3.0 undecidable manual Pn 4.81 0
IX.CLT3.EHN.02 2021-12-13T02:27:47.82 3.0 undecidable manual Pg 16.620001 0
IV.CMIS.HHN. 2021-12-13T02:27:45.53 3.0 positive manual Pg 17.120001 0
IV.ICAI.EHE. 2021-12-13T02:27:31.25 3.0 negative manual Pn 3.44 0
IV.CELI.HHZ. 2021-12-13T02:27:15.30 0.3 undecidable manual P 22 4.9625 54 0.55 16
IV.SPS2.HHZ. 2021-12-13T02:27:12.78 0.6 undecidable manual P 21 4.8078 54 0.17 12
IV.SELL.HHZ. 2021-12-13T02:27:10.97 0.3 undecidable manual P 25 4.6216 54 0.92 14
IV.RAFF.HHZ. 2021-12-13T02:27:08.13 0.6 undecidable manual S 5 2.4021 54 0.29 21
IV.HMDC.HNZ. 2021-12-13T02:27:03.41 0.6 undecidable manual S 15 2.2024 54 0.35 25
IV.PLAC.HHZ. 2021-12-13T02:27:03.14 0.3 undecidable manual P 27 4.0802 54 0.57 18
IV.FERC.HHN. 2021-12-13T02:27:02.24 0.6 undecidable manual P 24 3.9750 54 1.13 9
IV.HVIT.HHN. 2021-12-13T02:27:02.61 0.6 undecidable manual S 9 2.1907 54 -0.17 27
IV.CROCE.HHZ. 2021-12-13T02:26:58.83 0.6 undecidable manual S 10 2.0352 54 -0.22 30
TV.GMB1.HHZ. 2021-12-13T02:26:56.65 0.6 undecidable manual P 22 3.6198 54 0.45 13
IV.MPNC.HHN. 2021-12-13T02:26:54.44 0.6 undecidable manual P 17 3.4687 54 0.33 13
IV.MCPD.HHZ. 2021-12-13T02:26:52.77 0.6 undecidable manual P 9 3.3293 54 0.57 13
IV.AIO.HHZ. 2021-12-13T02:26:52.07 0.6 undecidable manual P 16 3.2735 54 0.65 13
IV.MUCR.HHZ. 2021-12-13T02:26:51.71 0.3 undecidable manual P 11 3.2735 54 0.28 21
IV.MSFR.HHZ. 2021-12-13T02:26:51.80 0.6 undecidable manual P 7 3.2286 54 1 11
IV.SOLUN.HHZ. 2021-12-13T02:26:51.12 0.3 undecidable manual P 352 3.2915 54 -0.55 19
IV.GIB.HHN. 2021-12-13T02:26:50.26 0.6 undecidable manual P 359 3.1593 54 0.41 14
IV.PLLN.EHZ. 2021-12-13T02:26:50.70 0.6 undecidable manual P 1 3.1620 54 0.82 12
IV.CSLB.HHZ. 2021-12-13T02:26:49.46 0.6 undecidable manual P 360 3.1063 54 0.34 14
IV.EPZF.HHN. 2021-12-13T02:26:49.89 0.6 undecidable manual P 12 3.0568 54 1.46 9
IV.ESCV.HHZ. 2021-12-13T02:26:49.00 0.6 undecidable manual P 11 2.9750 54 1.7 8
IV.RESU.HHZ. 2021-12-13T02:26:46.50 0.3 undecidable manual P 360 2.8158 54 1.39 14
MN.CLTB.HHN. 2021-12-13T02:26:46.02 0.6 undecidable manual P 346 2.8356 54 0.65 13
IV.EVRN.HHE. 2021-12-13T02:26:46.70 1.0 undecidable manual P 16 2.9813 54 -0.68 6
IV.MMGO.HHZ. 2021-12-13T02:26:46.00 0.3 undecidable manual P 343 2.9687 54 -1.22 15
IV.ESML.HHZ. 2021-12-13T02:26:45.81 0.6 undecidable manual P 13 2.8598 54 0.1 15
IT.LNT.HGZ. 2021-12-13T02:26:41.43 0.6 undecidable manual P 17 2.5667 54 -0.23 18
IV.HAGA.HHN. 2021-12-13T02:26:41.63 0.3 undecidable manual P 19 2.6026 54 -0.52 24
IV.HCRL.HHZ. 2021-12-13T02:26:41.62 0.6 undecidable manual P 17 2.5694 54 -0.07 19
IV.HLNI.HHZ. 2021-12-13T02:26:41.43 0.3 undecidable manual P 14 2.5972 54 -0.65 23
IV.SSY.HHZ. 2021-12-13T02:26:40.33 0.1 positive manual P 19 2.4605 54 0.14 42
IV.RAFF.HHZ. 2021-12-13T02:26:39.00 0.3 undecidable manual P 5 2.4021 54 -0.39 31
IV.HSRS.HHZ. 2021-12-13T02:26:39.79 0.3 undecidable manual P 22 2.4426 54 -0.15 32
IV.HVZN.HHZ. 2021-12-13T02:26:38.97 0.1 undecidable manual P 12 2.4021 54 -0.42 42
IV.CLTA.HHZ. 2021-12-13T02:26:38.31 0.6 undecidable manual P 358 2.3292 54 -0.08 24
IV.HVIT.HHN. 2021-12-13T02:26:35.69 0.3 undecidable manual P 9 2.1907 54 -0.78 33
IV.HMDC.HNZ. 2021-12-13T02:26:35.97 0.3 undecidable manual P 15 2.2024 54 -0.66 35
IV.ISPIC.HNZ. 2021-12-13T02:26:34.50 0.3 undecidable manual P 19 2.0594 54 -0.16 45
MN.WDD.HHZ. 2021-12-13T02:26:34.87 0.6 undecidable manual S 19 1.0693 96 0.07 49
IV.CROCE.HHZ. 2021-12-13T02:26:33.56 0.3 undecidable manual P 10 2.0352 54 -0.76 38
IV.LINA.HHN. 2021-12-13T02:26:26.44 0.6 undecidable manual P 317 1.4416 54 0.33 42
MN.WDD.HHZ. 2021-12-13T02:26:20.33 0.1 positive manual P 19 1.0693 96 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.WDD.HHN. ML:3.3 0.001375 0.5 AML other m 2021-12-13T02:26:23.69
MN.WDD.HHE. ML:3.1 0.000935 0.74 AML other m 2021-12-13T02:26:25.40
IV.CROCE.HNN. ML:3.6 0.0010385 1.54 AML other m 2021-12-13T02:27:02.17
IV.CROCE.HHN. ML:3.5 0.0008449999999999999 1.56 AML other m 2021-12-13T02:27:02.17
IV.CROCE.HNE. ML:3.6 0.000876 1.3 AML other m 2021-12-13T02:27:09.73
IV.CROCE.HHE. ML:3.5 0.0007125 1.32 AML other m 2021-12-13T02:27:09.74
IV.HVIT.HHE. ML:3.8 0.001335 0.86 AML other m 2021-12-13T02:27:19.46
IV.CLTA.HHE. ML:3.4 0.0003875 0.68 AML other m 2021-12-13T02:27:20.18
IV.RAFF.HHN. ML:3.7 0.0007835 0.52 AML other m 2021-12-13T02:27:20.27
IV.HSRS.HHE. ML:3.6 0.0006715 0.66 AML other m 2021-12-13T02:27:23.06
IV.HVIT.HHN. ML:3.6 0.000749 0.6 AML other m 2021-12-13T02:27:24.20
IV.HVZN.HHE. ML:4.1 0.0019199999999999998 0.92 AML other m 2021-12-13T02:27:25.24
IV.SELL.HNN. ML:3.8 0.00018099999999999998 1.12 AML other m 2021-12-13T02:27:25.72
IV.CLTA.HHN. ML:3.4 0.00041600000000000003 1 AML other m 2021-12-13T02:27:26.94
IV.SELL.HHN. ML:3.2 0.0000431 0.68 AML other m 2021-12-13T02:27:27.26
IV.SSY.HNN. ML:3.9 0.0011149999999999999 1.28 AML other m 2021-12-13T02:27:27.77
IV.HVZN.HHN. ML:3.9 0.001407 1.38 AML other m 2021-12-13T02:27:27.25
IV.HCRL.HHN. ML:3.7 0.0007424999999999999 1.64 AML other m 2021-12-13T02:27:29.07
IV.HSRS.HHN. ML:3.6 0.0006845 1.02 AML other m 2021-12-13T02:27:29.10
IV.SELL.HHE. ML:3.3 0.000055400000000000005 0.8 AML other m 2021-12-13T02:27:30.10
IV.SELL.HNE. ML:3.8 0.000175 1.3 AML other m 2021-12-13T02:27:30.11
IV.MMGO.HNN. ML:3.0 0.00010605 0.92 AML other m 2021-12-13T02:27:30.98
IV.MMGO.HHN. ML:2.9 0.00008465 0.88 AML other m 2021-12-13T02:27:30.53
IV.GIB.HHE. ML:4.0 0.0007675 1.26 AML other m 2021-12-13T02:27:31.17
IV.RAFF.HHE. ML:3.8 0.0010084999999999998 0.7 AML other m 2021-12-13T02:27:31.82
IV.SSY.HHN. ML:4.5 0.004359999999999999 0.38 AML other m 2021-12-13T02:27:31.91
IV.SSY.HHE. ML:4.4 0.003585 0.56 AML other m 2021-12-13T02:27:32.46
IV.SSY.HNE. ML:4.0 0.0014700000000000002 0.5 AML other m 2021-12-13T02:27:32.71
IV.HCRL.HHE. ML:3.8 0.000808 0.52 AML other m 2021-12-13T02:27:32.74
IV.GALF.HHN. ML:4.0 0.001095 1.4 AML other m 2021-12-13T02:27:35.11
IV.GIB.HHN. ML:3.8 0.0005520000000000001 0.74 AML other m 2021-12-13T02:27:36.47
IV.HLNI.HHE. ML:3.6 0.0005555 1.14 AML other m 2021-12-13T02:27:38.05
IV.RESU.HHN. ML:3.4 0.0002535 0.42 AML other m 2021-12-13T02:27:39.18
IV.HLNI.HHN. ML:3.6 0.0005945 0.5 AML other m 2021-12-13T02:27:39.26
IV.PLLN.EHN. ML:4.2 0.001295 1.42 AML other m 2021-12-13T02:27:39.99
IV.HAGA.HHN. ML:3.7 0.0007335 0.7 AML other m 2021-12-13T02:27:39.32
IV.PLLN.EHE. ML:4.0 0.0008005 1.24 AML other m 2021-12-13T02:27:39.26
IV.HAGA.HHE. ML:3.8 0.0007989999999999999 0.78 AML other m 2021-12-13T02:27:40.19
IV.RESU.HHE. ML:3.3 0.000245 0.82 AML other m 2021-12-13T02:27:42.10
IV.GALF.HHE. ML:4.0 0.0009764999999999999 0.66 AML other m 2021-12-13T02:27:42.64
MN.CLTB.HHN. ML:4.1 0.0013 0.48 AML other m 2021-12-13T02:27:42.44
MN.CLTB.HHE. ML:3.9 0.0009279999999999999 0.42 AML other m 2021-12-13T02:27:43.47
IV.ESCV.HHN. ML:3.8 0.00055 0.66 AML other m 2021-12-13T02:27:44.12
IV.ESML.HHE. ML:3.7 0.000507 0.66 AML other m 2021-12-13T02:27:46.35
IV.ESML.HNE. ML:3.7 0.0005394999999999999 0.72 AML other m 2021-12-13T02:27:46.35
IV.EVRN.HNE. ML:3.9 0.0007970000000000001 1.28 AML other m 2021-12-13T02:27:47.77
IV.ESML.HNN. ML:3.6 0.00045900000000000004 1.14 AML other m 2021-12-13T02:27:47.86
IV.ESML.HHN. ML:3.6 0.000451 1.1 AML other m 2021-12-13T02:27:47.86
IV.EVRN.HHN. ML:4.1 0.00117 0.8 AML other m 2021-12-13T02:27:48.81
IV.EVRN.HNN. ML:4.1 0.00115 0.82 AML other m 2021-12-13T02:27:48.41
IV.CSLB.HHN. ML:3.4 0.000242 0.78 AML other m 2021-12-13T02:27:50.16
IV.MMGO.HHE. ML:3.0 0.00011145 0.48 AML other m 2021-12-13T02:27:50.59
IV.ESCV.HHE. ML:3.7 0.0005275 1.12 AML other m 2021-12-13T02:27:50.38
IV.EVRN.HHE. ML:3.9 0.0007804999999999999 0.56 AML other m 2021-12-13T02:27:51.30
IV.EPZF.HHN. ML:3.9 0.000687 0.88 AML other m 2021-12-13T02:27:51.00
IV.MCPD.HHN. ML:3.5 0.0002065 0.6 AML other m 2021-12-13T02:27:53.52
IV.EPZF.HHE. ML:3.7 0.0005445 1.4 AML other m 2021-12-13T02:27:53.12
IV.MMGO.HNE. ML:3.1 0.00011649999999999999 0.82 AML other m 2021-12-13T02:27:54.23
IV.CSLB.HHE. ML:3.4 0.00019700000000000002 0.62 AML other m 2021-12-13T02:27:55.35
IV.AIO.HHN. ML:3.3 0.0001575 1 AML other m 2021-12-13T02:27:55.90
IV.MPNC.HHE. ML:3.7 0.00035 1.3 AML other m 2021-12-13T02:27:55.91
IV.MCPD.HHE. ML:3.5 0.0002125 1.3 AML other m 2021-12-13T02:27:55.27
IV.MUCR.HHE. ML:3.6 0.00029200000000000005 0.58 AML other m 2021-12-13T02:27:56.83
IV.AIO.HHE. ML:3.4 0.000189 0.42 AML other m 2021-12-13T02:27:57.50
IV.MUCR.HHN. ML:3.7 0.000338 0.62 AML other m 2021-12-13T02:27:59.56
IV.MPNC.HHN. ML:3.9 0.0005445 0.76 AML other m 2021-12-13T02:28:04.14
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