Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 16-09-2021 and time 21:25:28 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 16-09-2021 21:25:28 (UTC)
  • 16-09-2021 23:25:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4570, 15.5330 at 135 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
29 Km N of Messina (238439 inhabitants)
40 Km N of Reggio di Calabria (183035 inhabitants)
90 Km SW of Lamezia Terme (70714 inhabitants)
99 Km NE 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 2.2 2021-09-16
21:25:28		 38.4567 15.5328 135 2022-03-30
13:04:41		 Bollettino Sismico Italiano INGV 102005441
Reviewed
Rev100 		ML 2.3 2021-09-16
21:25:28		 38.5188 15.5448 133 2021-09-16
21:37:12		 Sala Sismica INGV-Roma 95523391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-16 21:25:28 ± 0.18
Latitude 38.4567 ± 0.0108
Longitude 15.5328 ± 0.0184
Depth (km) 135 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102005441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1686
Semi-minor axis of confidence ellipse (meter) 698
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 1690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 59
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.97320
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 102005441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-15 18:44:14

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 95523391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-16 21:37:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2021-09-16T21:27:20.92 3.0 undecidable manual Pg 21.68 0
HL.VLS.HHZ. 2021-09-16T21:26:27.30 0.3 undecidable manual P 92 441.0252 104 -1.57 8
MN.KEK.HHZ. 2021-09-16T21:26:21.66 0.3 undecidable manual P 68 392.607 105 -1.38 10
IV.LADO.EHZ. 2021-09-16T21:26:16.33 0.6 undecidable manual S 53 155.0226 127 -0.09 39
IV.CELI.HHZ. 2021-09-16T21:26:13.79 0.6 undecidable manual S 38 134.5653 132 0.78 35
MN.TIP.HHZ. 2021-09-16T21:26:13.39 0.6 undecidable manual S 52 132.867 132 0.65 37
IV.CET2.HHZ. 2021-09-16T21:26:11.30 0.6 undecidable manual S 17 124.3866 134 -0.11 44
IV.SELL.HHZ. 2021-09-16T21:26:09.99 1.0 undecidable manual S 58 111.2997 137 0.55 20
IV.NOCI.HHZ. 2021-09-16T21:26:08.82 3.0 undecidable manual P -2.07 0
IV.CAR1.HHZ. 2021-09-16T21:26:07.88 1.0 undecidable manual S 33 106.116 139 -0.81 18
IV.GRI.EHZ. 2021-09-16T21:26:06.52 0.6 undecidable manual S 62 86.9463 145 0.39 44
IV.PLAC.HHE. 2021-09-16T21:26:05.19 1.0 undecidable manual S 90 78.6657 147 0.05 24
IV.NOV.HHZ. 2021-09-16T21:26:04.16 1.0 undecidable manual S 216 58.7967 155 1.09 17
IV.MTTG.HHZ. 2021-09-16T21:26:03.10 0.6 undecidable manual S 164 52.4031 157 0.6 44
IV.SOI.EHZ. 2021-09-16T21:26:03.05 0.6 undecidable manual S 133 62.1933 153 -0.34 46
IV.AIO.HHZ. 2021-09-16T21:26:03.93 0.6 undecidable manual S 206 59.8956 154 0.77 39
IV.IVPL.HHZ. 2021-09-16T21:26:02.20 0.3 undecidable manual S 260 48.8178 159 -0.01 74
IV.JOPP.HHZ. 2021-09-16T21:26:01.11 0.3 undecidable manual S 61 34.8429 164 -0.15 77
IV.MTSN.HHZ. 2021-09-16T21:26:00.64 0.3 undecidable manual P 5 201.6426 120 -0.29 46
IV.MILZ.HHZ. 2021-09-16T21:26:00.67 0.6 undecidable manual S 232 33.3444 165 -0.5 49
IV.MPNC.HHZ. 2021-09-16T21:26:00.64 0.6 undecidable manual S 205 37.8288 163 -0.79 43
IV.MGR.HHZ. 2021-09-16T21:25:59.44 0.1 undecidable manual P 1 186.4689 122 0.12 68
IV.MSRU.HHZ. 2021-09-16T21:25:59.94 0.6 undecidable manual S 186 21.4674 170 -0.69 46
IV.SIRI.HHZ. 2021-09-16T21:25:59.94 0.1 undecidable manual P 8 193.5618 121 -0.13 66
IV.RAFF.HHZ. 2021-09-16T21:25:58.48 0.3 undecidable manual P 217 170.9955 125 0.76 46
IV.MMN.HHE. 2021-09-16T21:25:56.47 0.3 undecidable manual P 14 163.9137 126 -0.52 53
IV.PIPA.HHZ. 2021-09-16T21:25:56.68 0.3 undecidable manual P 44 158.9187 127 0.19 58
IV.HAVL.HHZ. 2021-09-16T21:25:56.53 0.1 undecidable manual P 192 169.8966 125 -1.07 52
IV.LADO.EHZ. 2021-09-16T21:25:55.80 0.3 undecidable manual P 53 155.0226 127 -0.3 56
IV.TDS.HHZ. 2021-09-16T21:25:55.39 0.3 undecidable manual P 27 150.4383 128 -0.26 59
IV.GRIS.EHZ. 2021-09-16T21:25:54.93 0.1 negative manual P 11 145.0437 129 -0.2 81
MN.TIP.HHZ. 2021-09-16T21:25:54.12 0.1 undecidable manual P 52 132.867 132 0.14 85
IV.CELI.HHZ. 2021-09-16T21:25:54.47 0.1 undecidable manual P 38 134.5653 132 0.33 81
IV.CAGR.HHE. 2021-09-16T21:25:54.89 0.6 undecidable manual P 225 129.2706 133 1.24 28
IV.HCRL.HHN. 2021-09-16T21:25:53.86 0.6 undecidable manual P 199 137.3625 131 -0.54 38
IV.HLNI.HHZ. 2021-09-16T21:25:53.51 0.3 undecidable manual P 205 135.864 131 -0.75 52
IV.CET2.HHZ. 2021-09-16T21:25:53.02 0.1 negative manual P 17 124.3866 134 -0.19 85
IV.SERS.HHZ. 2021-09-16T21:25:52.97 0.1 negative manual P 57 118.8921 136 0.25 86
IV.SELL.HHZ. 2021-09-16T21:25:52.45 0.1 undecidable manual P 58 111.2997 137 0.38 85
IV.CAR1.HHZ. 2021-09-16T21:25:51.25 0.3 undecidable manual P 33 106.116 139 -0.39 63
IV.EPZF.HHZ. 2021-09-16T21:25:51.48 0.1 undecidable manual P 220 91.6416 143 0.96 69
IV.ECPN.HHZ. 2021-09-16T21:25:50.24 0.6 undecidable manual P 211 92.3409 143 -0.32 44
IV.EPIT.HHZ. 2021-09-16T21:25:50.50 0.1 undecidable manual P 210 82.7505 146 0.63 82
IV.EMNR.HHZ. 2021-09-16T21:25:50.86 0.6 undecidable manual P 212 83.6496 146 0.93 36
IV.EPOZ.HHZ. 2021-09-16T21:25:50.74 0.3 undecidable manual P 199 92.1411 143 0.2 68
IV.IFIL.HHN. 2021-09-16T21:25:50.00 1.0 undecidable manual P 278 83.9493 146 0.04 23
IV.GRI.EHZ. 2021-09-16T21:25:50.34 0.1 undecidable manual P 62 86.9463 145 0.18 92
IV.MUCR.HHZ. 2021-09-16T21:25:49.19 0.3 undecidable manual P 232 73.4709 149 -0.07 73
IV.ECTS.HHZ. 2021-09-16T21:25:49.68 0.6 undecidable manual P 210 73.1712 149 0.44 44
IV.EFIU.HHE. 2021-09-16T21:25:49.74 0.1 undecidable manual P 201 79.1652 147 0.12 94
IV.PLAC.HHE. 2021-09-16T21:25:49.81 0.1 undecidable manual P 90 78.6657 147 0.22 93
IV.AIO.HHZ. 2021-09-16T21:25:48.55 0.6 undecidable manual P 206 59.8956 154 0.1 49
IV.NOV.HHZ. 2021-09-16T21:25:48.83 0.3 undecidable manual P 216 58.7967 155 0.44 68
IV.MTTG.HHZ. 2021-09-16T21:25:48.24 0.1 undecidable manual P 164 52.4031 157 0.17 98
IV.SOI.EHZ. 2021-09-16T21:25:48.53 0.1 undecidable manual P 133 62.1933 153 -0.05 97
IV.JOPP.HHZ. 2021-09-16T21:25:47.14 0.1 undecidable manual P 61 34.8429 164 -0.21 100
IV.IVUG.HHZ. 2021-09-16T21:25:47.76 0.6 undecidable manual P 262 48.0186 159 -0.11 51
IV.IVPL.HHZ. 2021-09-16T21:25:47.69 0.1 undecidable manual P 260 48.8178 159 -0.22 99
IV.MILZ.HHZ. 2021-09-16T21:25:46.86 0.1 undecidable manual P 232 33.3444 165 -0.44 97
IV.MPNC.HHZ. 2021-09-16T21:25:46.88 0.1 undecidable manual P 205 37.8288 163 -0.57 92
IV.MSRU.HHZ. 2021-09-16T21:25:46.44 0.1 undecidable manual P 186 21.4674 170 -0.55 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVPL.HHN. ML:2.2 0.00008248921500000001 0.128 AML other m 2021-09-16T21:25:48.00
IV.IVPL.HHE. ML:2.2 0.0000915546 0.1536 AML other m 2021-09-16T21:25:48.90
IV.EPIT.HHE. ML:3.2 0.0007085 1.16 AML other m 2021-09-16T21:26:00.80
IV.MGR.HHN. ML:2.0 0.000022100000000000002 0.7 AML other m 2021-09-16T21:26:00.77
IV.MGR.HHE. ML:2.0 0.00002265 0.3 AML other m 2021-09-16T21:26:00.63
IV.MSRU.HHN. ML:2.4 0.0001372419 0.32 AML other m 2021-09-16T21:26:01.43
IV.MTSN.HHE. ML:1.9 0.00001545 0.72 AML other m 2021-09-16T21:26:00.34
IV.SIRI.HHN. ML:2.0 0.000018200000000000002 0.74 AML other m 2021-09-16T21:26:00.97
IV.MILZ.HHN. ML:2.8 0.0003415 0.42 AML other m 2021-09-16T21:26:01.20
IV.JOPP.HNE. ML:2.3 0.000105628485 0.2816 AML other m 2021-09-16T21:26:03.05
IV.MPNC.HHN. ML:2.3 0.00010972076 0.2048 AML other m 2021-09-16T21:26:02.34
IV.MILZ.HHE. ML:2.9 0.00043406710000000004 0.5632 AML other m 2021-09-16T21:26:01.08
IV.JOPP.HHN. ML:2.4 0.0001365 0.12 AML other m 2021-09-16T21:26:02.44
IV.JOPP.HNN. ML:2.4 0.00013297930000000002 0.1024 AML other m 2021-09-16T21:26:02.43
IV.MSRU.HHE. ML:2.4 0.00016749999999999998 0.24 AML other m 2021-09-16T21:26:03.12
IV.MTTG.HHE. ML:2.2 0.00009475195 0.4608 AML other m 2021-09-16T21:26:04.58
IV.SOI.EHN. ML:2.5 0.000176 0.34 AML other m 2021-09-16T21:26:04.61
IV.SOI.EHE. ML:2.4 0.00014199999999999998 1.5 AML other m 2021-09-16T21:26:04.81
IV.SIRI.HHE. ML:1.8 0.000015050000000000002 0.42 AML other m 2021-09-16T21:26:05.28
IV.AIO.HHE. ML:2.0 0.00005542836 0.4096 AML other m 2021-09-16T21:26:06.57
IV.MTSN.HHN. ML:2.0 0.00001835 0.6 AML other m 2021-09-16T21:26:05.12
IV.MTTG.HHN. ML:2.4 0.0001373181 0.4608 AML other m 2021-09-16T21:26:04.58
IV.MPNC.HHE. ML:2.1 0.00007815134 0.2048 AML other m 2021-09-16T21:26:07.76
IV.GRI.EHE. ML:2.3 0.000085766075 0.32 AML other m 2021-09-16T21:26:07.16
IV.EPZF.HHN. ML:2.9 0.00034750000000000004 1.02 AML other m 2021-09-16T21:26:08.45
IV.MUCR.HHE. ML:2.0 0.0000465 0.62 AML other m 2021-09-16T21:26:08.60
IV.GRI.EHN. ML:2.4 0.000106076745 0.3584 AML other m 2021-09-16T21:26:08.77
IV.MUCR.HHN. ML:2.0 0.000046933265000000004 0.4352 AML other m 2021-09-16T21:26:08.78
IV.EPIT.HHN. ML:3.2 0.00065134795 0.96 AML other m 2021-09-16T21:26:09.16
IV.AIO.HHN. ML:1.9 0.000038354645 0.2176 AML other m 2021-09-16T21:26:05.73
IV.CAR1.HHN. ML:2.3 0.00007660792500000001 0.2944 AML other m 2021-09-16T21:26:10.53
IV.ECTS.HHE. ML:2.3 0.00009060303 0.6272 AML other m 2021-09-16T21:26:10.05
IV.EPZF.HHE. ML:2.6 0.0001885 1.16 AML other m 2021-09-16T21:26:10.31
IV.SELL.HHN. ML:1.8 0.000025849999999999998 0.94 AML other m 2021-09-16T21:26:11.07
IV.SERS.HHN. ML:2.1 0.00005145 0.8 AML other m 2021-09-16T21:26:11.46
IV.CET2.HHE. ML:2.4 0.0000958 0.26 AML other m 2021-09-16T21:26:12.28
IV.SERS.HHE. ML:2.0 0.0000383 1.06 AML other m 2021-09-16T21:26:12.78
IV.SELL.HHE. ML:2.0 0.00003845 1.3 AML other m 2021-09-16T21:26:12.28
IV.CET2.HHN. ML:2.8 0.00022749999999999997 0.52 AML other m 2021-09-16T21:26:13.45
MN.TIP.HHE. ML:1.8 0.0000201 0.42 AML other m 2021-09-16T21:26:15.31
MN.TIP.HHN. ML:2.0 0.0000367 0.46 AML other m 2021-09-16T21:26:15.42
IV.CELI.HHN. ML:1.9 0.0000249 0.3 AML other m 2021-09-16T21:26:16.40
IV.GRIS.EHN. ML:2.1 0.000041 0.88 AML other m 2021-09-16T21:26:16.58
IV.LADO.EHE. ML:2.4 0.0000779 0.96 AML other m 2021-09-16T21:26:18.92
IV.CELI.HHE. ML:1.8 0.00002155 0.7 AML other m 2021-09-16T21:26:18.14
IV.LADO.EHN. ML:2.3 0.00005690000000000001 0.32 AML other m 2021-09-16T21:26:19.95
IV.GRIS.EHE. ML:1.9 0.000023850000000000004 1.32 AML other m 2021-09-16T21:26:19.29
IV.EPOZ.HHE. ML:2.4 0.00009848463999999999 0.576 AML other m 2021-09-16T21:26:22.50
IV.PIPA.HHE. ML:2.2 0.00004385 0.22 AML other m 2021-09-16T21:26:20.71
IV.PIPA.HHN. ML:2.1 0.0000329 0.48 AML other m 2021-09-16T21:26:23.79
IV.NOCI.HHN. ML:2.6 0.00004165000000000001 0.46 AML other m 2021-09-16T21:26:43.00
IV.NOCI.HHE. ML:2.5 0.0000344 0.7 AML other m 2021-09-16T21:26:44.70
MN.KEK.HHE. ML:2.9 0.00003945 0.98 AML other m 2021-09-16T21:27:03.20
MN.KEK.HHN. ML:2.8 0.00003735 0.38 AML other m 2021-09-16T21:27:03.58
IV.JOPP.HHE. ML:2.2 0.00009016551000000001 0.0768 AML other m 2021-09-16T21:25:47.42
IV.CAR1.HNE. ML:2.3 0.00008186815 0.1792 AML other m 2021-09-16T21:26:09.00
IV.CAR1.HNN. ML:2.2 0.000065056795 0.2944 AML other m 2021-09-16T21:26:10.39
IV.CAR1.HHE. ML:2.2 0.00005954435500000001 0.1408 AML other m 2021-09-16T21:25:51.76
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