Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 21-09-2021 and time 01:50:46 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-09-2021 01:50:46 (UTC)
  • 21-09-2021 03:50:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4000, 15.3000 at 166 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Messina (238439 inhabitants)
44 Km NW of Reggio di Calabria (183035 inhabitants)
88 Km N of Acireale (52622 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 2.5 2021-09-21
01:50:46		 38.4002 15.3003 167 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99256951
Reviewed
Rev100 		ML 2.6 2021-09-21
01:50:46		 38.4187 15.2698 166 2021-09-21
02:12:01		 Sala Sismica INGV-Roma 95682011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-21 01:50:46 ± 0.18
Latitude 38.4002 ± 0.0126
Longitude 15.3003 ± 0.0172
Depth (km) 167 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99256951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1806
Semi-minor axis of confidence ellipse (meter) 413
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 1810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 91
Number of defining phases 90
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) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 3.72679
Number of stations at which the event was observed 65
Number of stations from which data was used for origin computation 64
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 95682011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-21 02:12:01

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 99256951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-28 11:42:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2021-09-21T01:52:05.50 0.3 undecidable manual S 29 304.8615 116 -0.47 19
MN.KEK.HHZ. 2021-09-21T01:51:44.48 0.6 undecidable manual P 68 413.6748 109 -0.53 11
IV.PIPA.HHZ. 2021-09-21T01:51:42.90 0.6 undecidable manual S 47 177.6888 130 0.11 36
IV.CELI.HHZ. 2021-09-21T01:51:39.20 0.3 undecidable manual S 43 152.4363 135 0.41 57
MN.TIP.HHZ. 2021-09-21T01:51:39.60 0.3 undecidable manual S 55 152.8359 135 0.75 51
IV.SERS.HHZ. 2021-09-21T01:51:37.00 0.6 undecidable manual S 59 139.3605 138 0.17 42
IV.CET2.HHZ. 2021-09-21T01:51:36.30 0.3 undecidable manual S 24 137.3625 138 -0.24 62
IV.SELL.HHZ. 2021-09-21T01:51:35.60 0.6 undecidable manual S 60 131.868 139 -0.17 42
IV.SPS2.HHZ. 2021-09-21T01:51:35.50 0.6 undecidable manual S 42 133.4664 139 -0.49 39
IV.CAR1.HHZ. 2021-09-21T01:51:34.30 0.6 undecidable manual S 39 123.0879 141 -0.26 42
IV.GRI.EHZ. 2021-09-21T01:51:32.30 0.6 undecidable manual S 64 107.7144 145 -0.28 43
IV.PLAC.HHZ. 2021-09-21T01:51:31.50 0.6 undecidable manual S 86 99.0231 147 -0.03 46
IV.NOCI.HHZ. 2021-09-21T01:51:30.97 0.6 undecidable manual P 29 304.8615 116 -1.48 8
IV.AMUR.HHZ. 2021-09-21T01:51:30.65 0.6 undecidable manual P 21 299.5779 116 -1.21 9
OT.TAR1.HHZ. 2021-09-21T01:51:29.24 3.0 undecidable manual P 35 290.6868 117 -1.62 16
IV.FERC.HHE.00 2021-09-21T01:51:28.70 0.6 undecidable manual S 85 72.1722 155 -0.04 49
IV.EFIU.HHZ. 2021-09-21T01:51:28.30 0.6 undecidable manual S 187 68.1762 156 -0.09 49
IV.SOI.EHZ. 2021-09-21T01:51:28.40 0.3 undecidable manual S 119 75.0693 154 -0.61 64
IV.ECTS.HHZ. 2021-09-21T01:51:28.60 0.6 undecidable manual S 195 59.5959 159 0.92 38
IV.MTTG.HHZ. 2021-09-21T01:51:27.80 0.6 undecidable manual S 142 56.1993 160 0.37 47
IV.AIO.HHZ. 2021-09-21T01:51:27.30 0.6 undecidable manual S 187 47.9187 163 0.43 47
IV.NOV.HHZ. 2021-09-21T01:51:27.60 0.6 undecidable manual S 199 43.7229 164 0.99 38
IV.MUCR.HHZ. 2021-09-21T01:51:27.60 0.3 undecidable manual S 223 54.3012 161 0.3 71
IV.IVUG.HHE. 2021-09-21T01:51:26.30 0.6 undecidable manual S 269 27.3504 170 0.47 48
IV.IVGP.HHN. 2021-09-21T01:51:26.91 0.6 undecidable manual S 269 29.5482 169 0.99 38
IV.JOPP.HHZ. 2021-09-21T01:51:26.60 0.6 undecidable manual S 66 55.6998 160 -0.8 41
IV.IVPL.HHZ. 2021-09-21T01:51:25.90 0.6 undecidable manual S 265 27.9498 170 0.04 53
IV.MPNC.HHZ. 2021-09-21T01:51:25.90 0.6 undecidable manual S 171 28.5492 170 0.02 53
IV.MSRU.HHZ. 2021-09-21T01:51:24.80 0.3 undecidable manual S 130 23.5542 171 -0.9 62
IV.MILZ.HHE. 2021-09-21T01:51:24.70 0.6 undecidable manual S 203 15.4734 174 -0.79 44
IV.HPAC.HHE. 2021-09-21T01:51:21.13 0.6 undecidable manual P 187 189.0663 129 0.97 26
IV.MGR.HHZ. 2021-09-21T01:51:20.87 0.6 undecidable manual P 6 193.9614 128 0.23 32
IV.CMDO.HHZ. 2021-09-21T01:51:19.80 0.6 undecidable manual P 232 165.8118 132 1.84 17
IV.PIPA.HHZ. 2021-09-21T01:51:19.57 0.3 undecidable manual P 47 177.6888 130 0.5 50
IV.LADO.EHE. 2021-09-21T01:51:19.06 0.6 undecidable manual P 55 175.0914 131 0.24 36
IV.GRIS.EHZ. 2021-09-21T01:51:17.33 0.3 undecidable manual P 18 156.1215 134 0.25 58
IV.TDS.HHZ. 2021-09-21T01:51:17.79 0.6 undecidable manual P 32 165.9117 132 -0.18 37
IV.ALJA.HHZ. 2021-09-21T01:51:17.40 0.6 undecidable manual P 242 153.1356 135 0.58 36
IV.CPTP.HHZ. 2021-09-21T01:51:17.30 0.6 undecidable manual P 222 148.4403 136 0.89 32
IV.CELI.HHZ. 2021-09-21T01:51:17.34 0.3 undecidable manual P 43 152.4363 135 0.58 55
MN.TIP.HHZ. 2021-09-21T01:51:17.21 0.3 undecidable manual P 55 152.8359 135 0.42 57
IV.HVIT.HHZ. 2021-09-21T01:51:17.59 0.6 undecidable manual P 204 170.496 132 -0.8 30
IV.RAFF.HHZ. 2021-09-21T01:51:16.84 0.6 undecidable manual P 212 154.3344 135 -0.09 40
IV.HAVL.HHN. 2021-09-21T01:51:16.74 0.6 undecidable manual P 186 160.617 133 -0.74 33
MN.VAE.HHZ. 2021-09-21T01:51:15.76 0.6 undecidable manual P 219 132.4674 139 0.7 36
IV.SERS.HHZ. 2021-09-21T01:51:15.99 0.6 undecidable manual P 59 139.3605 138 0.36 40
IV.SPS2.HHZ. 2021-09-21T01:51:15.16 0.3 undecidable manual P 42 133.4664 139 0.02 65
IV.CET2.HHZ. 2021-09-21T01:51:15.35 0.6 undecidable manual P 24 137.3625 138 -0.11 42
IV.SELL.HHZ. 2021-09-21T01:51:15.64 0.6 undecidable manual P 60 131.868 139 0.63 38
IV.HVZN.HNZ. 2021-09-21T01:51:15.12 0.6 undecidable manual P 201 144.9438 136 -0.98 31
IV.SSY.HNN. 2021-09-21T01:51:14.86 0.6 undecidable manual P 188 139.2606 138 -0.76 35
IV.CAR1.HHZ. 2021-09-21T01:51:14.31 0.3 undecidable manual P 39 123.0879 141 -0.01 66
IV.CAGR.HHE. 2021-09-21T01:51:14.92 0.6 undecidable manual P 219 111.0999 144 1.5 25
IV.GIB.HHE. 2021-09-21T01:51:13.56 0.6 undecidable manual P 248 120.0909 142 -0.52 40
IV.HLNI.HHZ. 2021-09-21T01:51:13.75 0.6 undecidable manual P 198 122.5884 141 -0.52 40
IV.CSLB.HHZ. 2021-09-21T01:51:13.37 0.6 undecidable manual P 245 119.8911 142 -0.7 37
IV.HAGA.HHZ. 2021-09-21T01:51:13.63 0.3 undecidable manual P 186 124.3866 141 -0.79 53
IV.HCRL.HHN. 2021-09-21T01:51:13.76 0.6 undecidable manual P 191 126.0738 141 -0.79 35
IV.GALF.HHZ. 2021-09-21T01:51:13.46 0.6 undecidable manual P 220 99.8223 147 0.84 37
IV.PLLN.EHN. 2021-09-21T01:51:13.18 0.3 undecidable manual P 246 110.6004 144 -0.19 66
IV.GRI.EHZ. 2021-09-21T01:51:13.52 0.6 undecidable manual P 64 107.7144 145 0.35 43
IV.PLAC.HHZ. 2021-09-21T01:51:13.15 0.3 undecidable manual P 86 99.0231 147 0.58 62
IV.ESML.HHZ. 2021-09-21T01:51:12.79 0.6 undecidable manual P 203 94.239 149 0.54 42
IV.EPOZ.HHZ. 2021-09-21T01:51:11.39 0.6 undecidable manual P 187 81.3519 152 -0.08 48
IV.SOI.EHZ. 2021-09-21T01:51:11.06 0.3 undecidable manual P 119 75.0693 154 -0.05 73
IV.ESCV.HHN. 2021-09-21T01:51:11.66 0.6 undecidable manual P 210 83.9493 152 0.05 48
IV.EPZF.HHZ. 2021-09-21T01:51:11.63 1.0 undecidable manual P 211 74.7696 154 0.54 22
IV.IACL.HHE. 2021-09-21T01:51:11.19 0.3 undecidable manual P 280 83.4498 152 -0.4 67
IV.EVRN.HNN. 2021-09-21T01:51:11.47 0.6 undecidable manual P 190 80.1642 153 0.07 48
IV.FERC.HHE.00 2021-09-21T01:51:11.05 0.3 undecidable manual P 85 72.1722 155 0.09 73
IV.EMNR.HHZ. 2021-09-21T01:51:11.84 0.6 undecidable manual P 200 68.9754 156 1.04 35
IV.EPIT.HHZ. 2021-09-21T01:51:11.48 0.6 undecidable manual P 198 68.6757 156 0.7 41
IV.MSFR.HHZ. 2021-09-21T01:51:10.80 0.6 undecidable manual P 237 73.9704 155 -0.25 47
IV.IFIL.HHN. 2021-09-21T01:51:10.02 0.6 undecidable manual P 286 65.5899 157 -0.61 43
IV.JOPP.HHZ. 2021-09-21T01:51:10.08 0.3 undecidable manual P 66 55.6998 160 -0.1 74
IV.EMSG.HHZ. 2021-09-21T01:51:10.56 0.6 undecidable manual P 206 71.1732 155 -0.35 46
IV.MTTG.HHZ. 2021-09-21T01:51:10.23 0.3 undecidable manual P 142 56.1993 160 0.03 76
IV.IVGP.HHN. 2021-09-21T01:51:10.11 0.6 undecidable manual P 269 29.5482 169 0.78 43
IV.NOV.HHZ. 2021-09-21T01:51:10.03 0.3 undecidable manual P 199 43.7229 164 0.3 73
IV.EFIU.HHZ. 2021-09-21T01:51:10.54 0.3 undecidable manual P 187 68.1762 156 -0.22 71
IV.AIO.HHZ. 2021-09-21T01:51:10.21 0.3 undecidable manual P 187 47.9187 163 0.33 72
IV.IST3.HHE. 2021-09-21T01:51:10.21 0.6 undecidable manual P 352 44.7219 164 0.45 47
IV.ECTS.HHZ. 2021-09-21T01:51:10.42 0.3 undecidable manual P 195 59.5959 159 0.07 75
IV.ESAL.HHE. 2021-09-21T01:51:10.79 0.6 undecidable manual P 191 72.9714 155 -0.21 47
IV.MUCR.HHZ. 2021-09-21T01:51:09.77 0.6 undecidable manual P 223 54.3012 161 -0.35 47
IV.IVPL.HHZ. 2021-09-21T01:51:09.08 0.3 undecidable manual P 265 27.9498 170 -0.21 77
IV.MCPD.HHZ. 2021-09-21T01:51:09.74 0.6 undecidable manual P 238 58.497 159 -0.56 45
IV.IVUG.HHE. 2021-09-21T01:51:09.07 0.3 undecidable manual P 269 27.3504 170 -0.21 77
IV.MILZ.HHE. 2021-09-21T01:51:08.62 0.1 undecidable manual P 203 15.4734 174 -0.46 99
IV.MPNC.HHZ. 2021-09-21T01:51:08.99 0.1 undecidable manual P 171 28.5492 170 -0.31 100
IV.MSRU.HHZ. 2021-09-21T01:51:08.70 0.1 undecidable manual P 130 23.5542 171 -0.5 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVPL.HHE. ML:2.8 0.0002578146 0.22 AML other m 2021-09-21T01:51:10.32
IV.IVPL.HHN. ML:2.7 0.000205055085 0.22 AML other m 2021-09-21T01:51:10.68
IV.AIO.HHE. ML:2.4 0.00009984999999999999 0.68 AML other m 2021-09-21T01:51:11.51
IV.MPNC.HHE. ML:2.7 0.0001945 0.28 AML other m 2021-09-21T01:51:11.58
IV.MPNC.HHN. ML:2.8 0.0002375 0.38 AML other m 2021-09-21T01:51:11.74
IV.AIO.HHN. ML:2.6 0.00016749999999999998 1.62 AML other m 2021-09-21T01:51:12.85
IV.PLAC.HHE. ML:2.3 0.00007230000000000001 0.22 AML other m 2021-09-21T01:51:13.25
IV.NOV.HHN. ML:2.9 0.0003085 0.7 AML other m 2021-09-21T01:51:13.72
IV.MTTG.HHN. ML:2.6 0.00013350000000000002 1.3 AML other m 2021-09-21T01:51:13.82
IV.MSRU.HHN. ML:2.8 0.00026749999999999994 1.32 AML other m 2021-09-21T01:51:26.81
IV.MSRU.HHE. ML:2.9 0.0003475 0.34 AML other m 2021-09-21T01:51:26.58
IV.JOPP.HNE. ML:2.7 0.000211 0.22 AML other m 2021-09-21T01:51:28.38
IV.JOPP.HHN. ML:2.6 0.0001655 1.28 AML other m 2021-09-21T01:51:28.19
IV.JOPP.HHE. ML:2.3 0.00006759999999999999 1.42 AML other m 2021-09-21T01:51:28.99
IV.ECTS.HHE. ML:2.4 0.00008510000000000001 1.1 AML other m 2021-09-21T01:51:29.64
IV.NOV.HHE. ML:3.1 0.000481 1.14 AML other m 2021-09-21T01:51:29.75
IV.JOPP.HNN. ML:2.6 0.00016099999999999998 1.46 AML other m 2021-09-21T01:51:30.77
IV.MUCR.HHE. ML:2.2 0.000056 0.5 AML other m 2021-09-21T01:51:30.26
IV.ECTS.HHN. ML:2.4 0.00008415 0.9 AML other m 2021-09-21T01:51:30.44
IV.SOI.EHE. ML:2.4 0.00009975 1.4 AML other m 2021-09-21T01:51:31.86
IV.SOI.EHN. ML:2.3 0.00007345 0.42 AML other m 2021-09-21T01:51:31.72
IV.MTTG.HHE. ML:2.5 0.00011999999999999999 0.72 AML other m 2021-09-21T01:51:32.29
IV.PLAC.HNE. ML:2.8 0.00021200000000000003 0.58 AML other m 2021-09-21T01:51:32.23
IV.PLAC.HHN. ML:2.9 0.00023549999999999998 0.62 AML other m 2021-09-21T01:51:33.58
IV.PLAC.HNN. ML:2.8 0.000191 0.62 AML other m 2021-09-21T01:51:33.59
IV.GRI.EHN. ML:2.4 0.00008474746 0.78 AML other m 2021-09-21T01:51:33.79
IV.MUCR.HHN. ML:2.3 0.0000692 0.48 AML other m 2021-09-21T01:51:34.01
IV.CAR1.HNE. ML:3.0 0.000248375 0.66 AML other m 2021-09-21T01:51:35.54
IV.GRI.EHE. ML:2.5 0.00009733575999999999 0.3 AML other m 2021-09-21T01:51:35.32
IV.CAR1.HHE. ML:2.4 0.00007105 0.4 AML other m 2021-09-21T01:51:36.28
IV.CAR1.HHN. ML:2.8 0.000184 0.68 AML other m 2021-09-21T01:51:36.59
IV.CAR1.HNN. ML:2.7 0.0001552035 0.6896 AML other m 2021-09-21T01:51:36.25
IV.SELL.HNE. ML:2.8 0.00017099999999999998 1.02 AML other m 2021-09-21T01:51:37.93
IV.CET2.HHN. ML:2.7 0.0001305 1.14 AML other m 2021-09-21T01:51:38.02
IV.SPS2.HHN. ML:2.2 0.0000421 0.32 AML other m 2021-09-21T01:51:38.03
IV.CET2.HHE. ML:2.6 0.00011094999999999999 1.2 AML other m 2021-09-21T01:51:38.66
IV.SPS2.HHE. ML:2.1 0.0000367 0.54 AML other m 2021-09-21T01:51:38.52
IV.SERS.HHN. ML:2.2 0.00003875 1.38 AML other m 2021-09-21T01:51:38.74
MN.TIP.HHE. ML:2.2 0.00003305 0.94 AML other m 2021-09-21T01:51:40.20
IV.SELL.HHN. ML:2.0 0.00002715 1.28 AML other m 2021-09-21T01:51:40.75
MN.TIP.HHN. ML:2.1 0.0000276 0.54 AML other m 2021-09-21T01:51:40.91
IV.SERS.HHE. ML:2.4 0.00006989999999999999 0.34 AML other m 2021-09-21T01:51:41.45
IV.SELL.HHE. ML:2.0 0.0000315 1.3 AML other m 2021-09-21T01:51:42.87
IV.CELI.HHN. ML:2.0 0.0000260212 0.7 AML other m 2021-09-21T01:51:42.83
IV.CELI.HHE. ML:2.2 0.00003252435 0.56 AML other m 2021-09-21T01:51:44.01
IV.PIPA.HHN. ML:2.4 0.000045950000000000006 0.96 AML other m 2021-09-21T01:51:46.68
IV.SELL.HNN. ML:2.6 0.00010645 0.56 AML other m 2021-09-21T01:51:46.56
IV.PIPA.HHE. ML:2.4 0.00005115 1.3 AML other m 2021-09-21T01:51:47.92
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