Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 30-09-2021 and time 20:09:49 (UTC) in region Tirreno Meridionale (MARE)

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

  • 30-09-2021 20:09:49 (UTC)
  • 30-09-2021 22:09:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4970, 15.4880 at 95 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
34 Km N of Messina (238439 inhabitants)
45 Km N of Reggio di Calabria (183035 inhabitants)
90 Km SW of Lamezia Terme (70714 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 2021-09-30
20:09:49		 38.4973 15.4877 95 2022-03-30
13:04:40		 Bollettino Sismico Italiano INGV 101758851
Reviewed
Rev100 		ML 2.1 2021-09-30
20:09:49		 38.549 15.4978 88 2021-09-30
20:16:23		 Sala Sismica INGV-Roma 96076961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-30 20:09:49 ± 0.22
Latitude 38.4973 ± 0.0117
Longitude 15.4877 ± 0.0172
Depth (km) 95 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101758851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1298
Semi-minor axis of confidence ellipse (meter) 1097
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.23382
Epicentral distance of station farthest from the epicenter (degree) 2.61883
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 101758851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 17:22:13

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 96076961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-30 20:16:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2021-09-30T20:10:29.67 0.3 undecidable manual P 12 290.6868 103 -0.52 20
IV.HLNI.HHZ. 2021-09-30T20:10:28.01 0.6 undecidable manual S 203 138.3615 119 -1.33 26
IV.AMUR.HHZ. 2021-09-30T20:10:28.26 0.3 undecidable manual P 19 283.8048 103 -1.09 17
IV.NOCI.HHZ. 2021-09-30T20:10:28.13 0.3 undecidable manual P 27 287.6898 103 -1.69 11
IV.HAGA.HHZ. 2021-09-30T20:10:27.46 0.6 undecidable manual S 192 137.5623 119 -1.74 20
OT.TAR1.HHZ. 2021-09-30T20:10:26.03 0.3 undecidable manual P 34 272.5161 104 -1.96 11
IV.SERS.HNN. 2021-09-30T20:10:26.24 0.6 undecidable manual S 60 119.7912 123 0.34 40
IV.SELL.HHZ. 2021-09-30T20:10:25.90 0.6 undecidable manual S 61 112.3986 125 1.33 27
IV.CET2.HHZ. 2021-09-30T20:10:25.65 0.6 undecidable manual S 19 121.2897 122 -0.52 38
IV.PLAC.HHZ. 2021-09-30T20:10:19.70 0.6 undecidable manual S 93 82.7505 134 0.08 46
IV.MTSN.HNN. 2021-09-30T20:10:19.18 0.3 undecidable manual P 6 197.5578 110 0.14 47
IV.SIRI.HNE. 2021-09-30T20:10:18.06 0.3 undecidable manual P 10 189.6657 111 -0.06 49
IV.AIO.HHZ. 2021-09-30T20:10:17.87 0.6 undecidable manual S 201 62.493 143 1.15 32
IV.SOI.EHZ. 2021-09-30T20:10:17.12 1.0 undecidable manual S 133 68.1762 140 -0.37 22
IV.MTTG.HHZ. 2021-09-30T20:10:16.65 0.6 undecidable manual S 161 57.8976 145 0.51 43
IV.LADO.EHE. 2021-09-30T20:10:14.86 0.3 undecidable manual P 55 155.622 115 0.64 50
IV.IVUG.HHZ. 2021-09-30T20:10:14.45 0.6 undecidable manual S 256 45.0216 152 -0.23 48
IV.MILZ.HHZ. 2021-09-30T20:10:13.18 0.1 undecidable manual S 222 33.5442 158 -0.46 70
IV.JOPP.HHZ. 2021-09-30T20:10:13.26 0.6 undecidable manual S 70 36.6411 157 -0.63 43
IV.MPNC.HHZ. 2021-09-30T20:10:13.79 0.6 undecidable manual S 197 40.626 154 -0.47 46
IV.MSRU.HHZ. 2021-09-30T20:10:12.42 0.6 undecidable manual S 176 25.9518 163 -0.68 44
IV.GRIS.EHZ. 2021-09-30T20:10:12.76 0.3 undecidable manual P 13 141.4473 118 0.12 61
IV.CSLB.HHZ. 2021-09-30T20:10:12.63 0.3 undecidable manual P 244 139.2606 118 0.23 59
IV.HAGA.HHZ. 2021-09-30T20:10:11.12 0.3 undecidable manual P 192 137.5623 119 -1.11 43
IV.HLNI.HHZ. 2021-09-30T20:10:11.39 0.1 undecidable manual P 203 138.3615 119 -0.91 63
IV.CELI.HHZ. 2021-09-30T20:10:11.95 0.3 undecidable manual P 41 133.5663 120 0.17 61
IV.CET2.HHZ. 2021-09-30T20:10:10.46 0.3 undecidable manual P 19 121.2897 122 -0.01 64
IV.SELL.HHZ. 2021-09-30T20:10:10.22 0.3 undecidable manual P 61 112.3986 125 0.67 56
IV.SERS.HNN. 2021-09-30T20:10:10.64 0.3 undecidable manual P 60 119.7912 123 0.32 61
IV.EPIT.HHZ. 2021-09-30T20:10:08.07 0.3 undecidable manual P 206 84.8484 133 1.18 46
IV.CAR1.HHZ. 2021-09-30T20:10:08.46 0.3 undecidable manual P 36 104.6175 127 -0.3 62
IV.MSFR.HHZ. 2021-09-30T20:10:08.00 0.3 undecidable manual P 237 93.4398 130 0.32 64
IV.EMSG.HHZ. 2021-09-30T20:10:08.90 0.3 undecidable manual P 212 88.5447 132 1.68 34
IV.IFIL.HHN. 2021-09-30T20:10:06.57 0.3 undecidable manual P 276 79.5648 135 0.16 68
IV.PLAC.HHZ. 2021-09-30T20:10:06.67 0.3 undecidable manual P 93 82.7505 134 -0.02 69
IV.ECTS.HHZ. 2021-09-30T20:10:06.52 0.3 undecidable manual P 205 75.369 137 0.47 64
IV.SOI.EHZ. 2021-09-30T20:10:05.40 0.3 undecidable manual P 133 68.1762 140 -0.06 71
IV.AIO.HHZ. 2021-09-30T20:10:05.61 0.1 undecidable manual P 201 62.493 143 0.59 84
IV.MUCR.HHZ. 2021-09-30T20:10:05.97 0.3 undecidable manual P 227 73.4709 138 0.08 70
IV.MTTG.HHZ. 2021-09-30T20:10:04.88 0.3 undecidable manual P 161 57.8976 145 0.2 70
IV.IVUG.HHZ. 2021-09-30T20:10:04.05 0.1 undecidable manual P 256 45.0216 152 0.2 95
IV.IVPL.HHZ. 2021-09-30T20:10:04.03 0.3 undecidable manual P 253 46.1205 151 0.12 73
IV.MPNC.HHZ. 2021-09-30T20:10:03.31 0.1 positive manual P 197 40.626 154 -0.28 95
IV.MILZ.HHZ. 2021-09-30T20:10:03.15 0.1 positive manual P 222 33.5442 158 -0.09 100
IV.JOPP.HHZ. 2021-09-30T20:10:03.16 0.1 undecidable manual P 70 36.6411 157 -0.23 97
IV.MSRU.HHZ. 2021-09-30T20:10:02.63 0.1 undecidable manual P 176 25.9518 163 -0.29 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHE. ML:2.4 0.00026450000000000003 0.22 AML other m 2021-09-30T20:10:13.29
IV.MILZ.HHE. ML:3.3 0.002105 0.4 AML other m 2021-09-30T20:10:13.51
IV.MILZ.HHN. ML:3.0 0.000988 0.52 AML other m 2021-09-30T20:10:13.95
IV.MSRU.HHN. ML:2.3 0.000209 0.14 AML other m 2021-09-30T20:10:14.24
IV.MPNC.HHE. ML:2.4 0.0002465 0.72 AML other m 2021-09-30T20:10:14.39
IV.JOPP.HHN. ML:2.2 0.00015150000000000002 0.14 AML other m 2021-09-30T20:10:15.56
IV.MPNC.HHN. ML:2.4 0.000253 0.42 AML other m 2021-09-30T20:10:15.93
IV.JOPP.HHE. ML:1.6 0.00004165 1.54 AML other m 2021-09-30T20:10:16.84
IV.IVPL.HHN. ML:2.4 0.00022 1.22 AML other m 2021-09-30T20:10:16.73
IV.IVPL.HHE. ML:2.4 0.0002195 0.94 AML other m 2021-09-30T20:10:18.47
IV.MTTG.HHN. ML:2.0 0.0000769 0.46 AML other m 2021-09-30T20:10:18.79
IV.MTTG.HHE. ML:1.9 0.0000686 0.54 AML other m 2021-09-30T20:10:18.48
IV.SOI.EHN. ML:1.9 0.00006515 0.42 AML other m 2021-09-30T20:10:18.96
IV.SOI.EHE. ML:1.9 0.000057650000000000005 1.64 AML other m 2021-09-30T20:10:19.94
IV.AIO.HHE. ML:2.2 0.000122 0.34 AML other m 2021-09-30T20:10:19.41
IV.AIO.HHN. ML:2.2 0.0001315 1 AML other m 2021-09-30T20:10:19.69
IV.PLAC.HHE. ML:1.5 0.00002155 0.46 AML other m 2021-09-30T20:10:22.65
IV.CAR1.HHN. ML:2.1 0.00006644999999999999 0.32 AML other m 2021-09-30T20:10:23.42
IV.PLAC.HHN. ML:1.8 0.00004605 1.58 AML other m 2021-09-30T20:10:23.02
IV.CAR1.HHE. ML:1.8 0.00004105 1.5 AML other m 2021-09-30T20:10:24.16
IV.CET2.HHN. ML:2.5 0.00017199999999999998 0.46 AML other m 2021-09-30T20:10:27.71
IV.CET2.HHE. ML:2.5 0.00015099999999999998 0.78 AML other m 2021-09-30T20:10:27.35
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