Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 06-10-2021 and time 16:50:04 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 06-10-2021 14:50:04 (UTC)
  • 06-10-2021 16:50:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2990, 15.2110 at 113 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Milazzo ME 9 31646 31646
Merì ME 15 2338 33984
San Filippo del Mela ME 15 7115 41099
Pace del Mela ME 16 6239 47338
Venetico ME 16 3911 51249
Spadafora ME 17 5021 56270
Barcellona Pozzo di Gotto ME 17 41583 97853
Condrò ME 17 493 98346
Torregrotta ME 17 7431 105777
Gualtieri Sicaminò ME 18 1807 107584
Valdina ME 18 1355 108939
Terme Vigliatore ME 18 7395 116334
Santa Lucia del Mela ME 19 4650 120984
Roccavaldina ME 19 1133 122117
San Pier Niceto ME 20 2837 124954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Messina (238439 inhabitants)
43 Km NW of Reggio di Calabria (183035 inhabitants)
76 Km N of Acireale (52622 inhabitants)
89 Km N of Catania (314555 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 2.3 2021-10-06
14:50:04		 38.299 15.2108 113 2022-03-30
13:04:13		 Bollettino Sismico Italiano INGV 96881761
Reviewed
Rev100 		ML 2.3 2021-10-06
14:50:03		 38.3455 15.2007 115 2021-10-06
15:00:41		 Sala Sismica INGV-Roma 96293861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-06 14:50:04 ± 0.26
Latitude 38.2990 ± 0.0171
Longitude 15.2108 ± 0.0160
Depth (km) 113 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96881761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1778
Semi-minor axis of confidence ellipse (meter) 1057
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 161
Circular confidence region, given by single value of horizontal uncertainty (meter) 1780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 1.52435
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 96881761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 10:52:44

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 96293861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-06 15:00:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHN. 2021-10-06T14:50:52.00 0.6 undecidable manual S 53 165.7119 120 0.36 36
IV.CELI.HHE. 2021-10-06T14:50:52.42 0.6 undecidable manual S 42 166.0116 119 0.72 33
IV.SELL.HHZ. 2021-10-06T14:50:49.10 0.6 undecidable manual S 58 144.3444 123 1.39 26
IV.PLAC.HHZ. 2021-10-06T14:50:41.49 0.6 undecidable manual S 81 108.0141 132 -0.03 46
IV.SOI.EHZ. 2021-10-06T14:50:36.71 0.3 undecidable manual S 109 77.6667 142 -0.36 69
IV.JOPP.HHZ. 2021-10-06T14:50:35.43 0.6 undecidable manual S 60 67.8765 146 -0.4 45
IV.MTTG.HHZ. 2021-10-06T14:50:34.87 0.6 undecidable manual S 127 53.8017 152 0.59 44
IV.MUCR.HHE. 2021-10-06T14:50:33.40 0.6 undecidable manual S 226 40.8258 158 0.29 49
IV.IVPL.HHZ. 2021-10-06T14:50:32.12 0.6 undecidable manual S 293 21.867 168 0.21 52
IV.IVUG.HHZ. 2021-10-06T14:50:32.32 0.6 undecidable manual S 299 22.3554 168 0.38 50
IV.MPNC.HHZ. 2021-10-06T14:50:32.05 0.6 undecidable manual S 144 20.9679 169 0.17 52
IV.MILZ.HHZ. 2021-10-06T14:50:31.01 0.6 undecidable manual S 150 3.5964 178 -0.42 51
MN.TIP.HHN. 2021-10-06T14:50:31.66 0.3 undecidable manual P 53 165.7119 120 0.04 58
IV.CELI.HHE. 2021-10-06T14:50:31.92 0.3 undecidable manual P 42 166.0116 119 0.27 55
IV.GRIS.EHZ. 2021-10-06T14:50:31.87 0.3 undecidable manual P 19 169.2084 119 -0.13 55
IV.SERS.HHZ. 2021-10-06T14:50:30.20 0.3 undecidable manual P 57 151.8369 122 0.06 62
IV.SELL.HHZ. 2021-10-06T14:50:29.49 0.3 undecidable manual P 58 144.3444 123 0.14 62
IV.CET2.HHZ. 2021-10-06T14:50:29.97 0.3 undecidable manual P 25 150.738 122 -0.06 61
IV.PLAC.HHZ. 2021-10-06T14:50:25.68 0.1 undecidable manual P 81 108.0141 132 -0.1 91
IV.FERC.HHE.00 2021-10-06T14:50:23.28 0.3 undecidable manual P 78 81.5517 141 -0.23 70
IV.SOI.EHZ. 2021-10-06T14:50:22.87 0.3 undecidable manual P 109 77.6667 142 -0.34 69
IV.JOPP.HHZ. 2021-10-06T14:50:22.02 0.3 undecidable manual P 60 67.8765 146 -0.47 67
IV.EPIT.HHZ. 2021-10-06T14:50:22.37 0.3 undecidable manual P 194 55.6998 151 0.66 63
IV.MUCR.HHE. 2021-10-06T14:50:21.64 0.3 undecidable manual P 226 40.8258 158 0.72 64
IV.MTTG.HHZ. 2021-10-06T14:50:21.58 0.3 undecidable manual P 127 53.8017 152 -0.02 76
IV.NOV.HHZ. 2021-10-06T14:50:20.74 0.3 undecidable manual P 192 30.747 163 0.23 76
IV.IVUG.HHZ. 2021-10-06T14:50:19.96 0.3 undecidable manual P 299 22.3554 168 -0.28 76
IV.IVPL.HHZ. 2021-10-06T14:50:19.88 0.1 undecidable manual P 293 21.867 168 -0.35 100
IV.MPNC.HHZ. 2021-10-06T14:50:19.82 0.3 undecidable manual P 144 20.9679 169 -0.39 75
IV.MILZ.HHZ. 2021-10-06T14:50:19.25 0.3 undecidable manual P 150 3.5964 178 -0.71 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:2.6 0.0002906467 1.6992 AML other m 2021-10-06T14:50:32.91
IV.MILZ.HHE. ML:3.0 0.0008209999999999999 0.42 AML other m 2021-10-06T14:50:32.31
IV.MPNC.HHN. ML:2.2 0.00014000000000000001 0.42 AML other m 2021-10-06T14:50:32.96
IV.IVPL.HHN. ML:2.3 0.00015203105 0.5824 AML other m 2021-10-06T14:50:33.61
IV.MPNC.HHE. ML:2.2 0.0001265 0.34 AML other m 2021-10-06T14:50:34.98
IV.JOPP.HHN. ML:2.3 0.00013847248 0.2048 AML other m 2021-10-06T14:50:35.98
IV.JOPP.HNN. ML:2.3 0.000128393035 0.192 AML other m 2021-10-06T14:50:35.98
IV.NOV.HHE. ML:2.8 0.00046350000000000004 0.28 AML other m 2021-10-06T14:50:36.36
IV.IVPL.HHE. ML:2.2 0.0001389713 0.5376 AML other m 2021-10-06T14:50:36.59
IV.JOPP.HNE. ML:2.1 0.00008572128500000001 0.2112 AML other m 2021-10-06T14:50:36.96
IV.NOV.HHN. ML:2.6 0.00035150000000000003 0.42 AML other m 2021-10-06T14:50:37.32
IV.MTTG.HHN. ML:2.2 0.0001135 0.52 AML other m 2021-10-06T14:50:37.61
IV.MTTG.HHE. ML:2.0 0.00007680000000000001 0.52 AML other m 2021-10-06T14:50:37.59
IV.SOI.EHN. ML:2.2 0.00010350000000000001 0.7 AML other m 2021-10-06T14:50:38.93
IV.SOI.EHE. ML:2.1 0.0000732 0.64 AML other m 2021-10-06T14:50:38.46
IV.PLAC.HHN. ML:2.5 0.00014138485 1.5008 AML other m 2021-10-06T14:50:42.08
IV.PLAC.HNN. ML:2.5 0.00014099999999999998 1.5 AML other m 2021-10-06T14:50:42.09
IV.PLAC.HNE. ML:2.2 0.00008044973 0.3392 AML other m 2021-10-06T14:50:43.17
IV.PLAC.HHE. ML:1.8 0.000029179130000000002 1.6608 AML other m 2021-10-06T14:50:44.99
IV.CET2.HHN. ML:2.5 0.00010618697 1.6416 AML other m 2021-10-06T14:50:49.11
IV.SERS.HHE. ML:1.9 0.000022971480000000004 0.384 AML other m 2021-10-06T14:50:50.41
IV.CET2.HHE. ML:2.3 0.00006534813000000001 0.2816 AML other m 2021-10-06T14:50:50.69
IV.SERS.HHN. ML:1.9 0.00002434779 0.2624 AML other m 2021-10-06T14:50:52.23
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
Waveforms Seismic signals in miniseed + resp format Download