Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 30-09-2021 and time 04:52:30 (UTC) in region Tirreno Meridionale (MARE)

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

  • 30-09-2021 04:52:30 (UTC)
  • 30-09-2021 06:52:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6850, 15.4600 at 168 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
55 Km N of Messina (238439 inhabitants)
66 Km N of Reggio di Calabria (183035 inhabitants)
81 Km W of Lamezia Terme (70714 inhabitants)
97 Km SW of Cosenza (67546 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
04:52:30		 38.6848 15.4595 168 2022-03-30
13:04:10		 Bollettino Sismico Italiano INGV 96315401
Reviewed
Rev100 		ML 2.3 2021-09-30
04:52:29		 38.6702 15.4193 170 2021-09-30
05:00:11		 Sala Sismica INGV-Roma 96051721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-30 04:52:30 ± 0.27
Latitude 38.6848 ± 0.0135
Longitude 15.4595 ± 0.0242
Depth (km) 168 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96315401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2080
Semi-minor axis of confidence ellipse (meter) 1011
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 2080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 35
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) 1.52885
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 96051721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-30 05:00:11

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 96315401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 16:16:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-09-30T04:54:27.48 3.0 undecidable manual Sn -3.58 0
IV.MMO1.EHZ. 2021-09-30T04:54:23.83 3.0 undecidable manual Sn -5.17 0
IV.FIR.HHZ. 2021-09-30T04:54:13.86 3.0 undecidable manual Pg 17.42 0
MN.TRI.HHZ. 2021-09-30T04:54:07.67 3.0 negative manual Pn -4.38 0
GU.GSCL.HHZ. 2021-09-30T04:54:07.01 3.0 undecidable manual Pn 0.52 0
IV.PTRJ.HHZ. 2021-09-30T04:53:52.21 3.0 undecidable manual Sn 2.82 0
IV.SACR.HHZ. 2021-09-30T04:53:52.05 3.0 undecidable manual Sn 2.57 0
IV.MMO1.EHZ. 2021-09-30T04:53:48.46 3.0 positive manual Pg 11.62 0
IX.SSB3.HHZ.02 2021-09-30T04:53:40.42 3.0 undecidable manual Sn -1.27 0
IV.VVLD.HHZ. 2021-09-30T04:53:39.86 3.0 undecidable manual Pg 16.49 0
IV.LADO.EHZ. 2021-09-30T04:53:21.36 0.3 undecidable manual S 63 146.9418 136 -0.48 62
IV.CELI.HHE. 2021-09-30T04:53:19.12 0.6 undecidable manual S 48 120.4905 142 1 33
IV.PZUN.HHZ. 2021-09-30T04:53:18.18 3.0 positive manual Pg 12.57 0
MN.TIP.HHZ. 2021-09-30T04:53:18.84 0.3 undecidable manual S 64 124.7862 141 0.15 67
IV.GRIS.EHZ. 2021-09-30T04:53:18.73 0.6 undecidable manual S 16 121.8891 142 0.43 43
IV.CET2.HHZ. 2021-09-30T04:53:15.62 0.3 undecidable manual S 24 102.8193 147 -0.29 69
IV.AIO.HHE. 2021-09-30T04:53:15.25 0.6 undecidable manual S 194 81.5517 153 1.66 27
IV.GRI.EHN. 2021-09-30T04:53:14.86 0.3 undecidable manual S 79 84.4488 152 0.98 55
IV.PLAC.HHZ. 2021-09-30T04:53:14.42 0.3 undecidable manual S 107 88.8444 150 0.09 73
IV.SCTE.HHZ. 2021-09-30T04:53:14.63 3.0 positive manual Pn -0.81 0
IV.CAR1.HHZ. 2021-09-30T04:53:13.93 0.3 undecidable manual S 46 90.4428 150 -0.58 67
IV.SOI.EHZ. 2021-09-30T04:53:13.48 0.3 undecidable manual S 143 85.3479 151 -0.49 69
IV.MTTG.HHZ. 2021-09-30T04:53:13.72 0.3 undecidable manual S 164 78.4659 153 0.44 71
IV.MPNC.HHN. 2021-09-30T04:53:11.36 0.6 undecidable manual S 189 60.495 159 -0.36 48
IV.SACR.HHZ. 2021-09-30T04:53:11.14 3.0 positive manual Pn -3.5 0
IV.MILZ.HHN. 2021-09-30T04:53:11.29 0.3 undecidable manual S 203 50.0166 162 0.31 78
IV.MSRU.HHZ. 2021-09-30T04:53:10.45 0.3 undecidable manual S 175 46.9197 163 -0.33 75
IV.JOPP.HHZ. 2021-09-30T04:53:09.56 0.3 undecidable manual S 103 37.9287 167 -0.72 68
IV.BULG.HHN. 2021-09-30T04:53:01.19 0.6 undecidable manual P 357 154.7229 135 0.47 40
IV.SIRI.HNE. 2021-09-30T04:53:01.79 0.6 undecidable manual P 12 169.6968 132 -0.28 38
IV.LADO.EHZ. 2021-09-30T04:52:59.79 0.6 undecidable manual P 63 146.9418 136 -0.25 43
IV.CELI.HHE. 2021-09-30T04:52:58.56 0.3 undecidable manual P 48 120.4905 142 0.67 59
MN.TIP.HHZ. 2021-09-30T04:52:58.22 0.3 undecidable manual P 64 124.7862 141 0 69
IV.SELL.HHZ. 2021-09-30T04:52:57.01 0.3 undecidable manual P 71 106.2159 146 0.16 70
IV.GRIS.EHZ. 2021-09-30T04:52:57.90 0.3 undecidable manual P 16 121.8891 142 -0.1 69
IV.SERS.HHZ. 2021-09-30T04:52:57.38 0.3 undecidable manual P 69 113.0979 144 0.04 71
IV.MUCR.HHE. 2021-09-30T04:52:56.02 0.3 undecidable manual P 216 87.5457 151 0.39 71
IV.CET2.HHZ. 2021-09-30T04:52:56.51 0.1 undecidable manual P 24 102.8193 147 -0.11 96
IV.AIO.HHE. 2021-09-30T04:52:55.90 0.3 undecidable manual P 194 81.5517 153 0.62 67
IV.CAR1.HHZ. 2021-09-30T04:52:55.86 0.6 undecidable manual P 46 90.4428 150 0.05 49
IV.SOI.EHZ. 2021-09-30T04:52:55.28 0.1 positive manual P 143 85.3479 151 -0.22 98
IV.PLAC.HHZ. 2021-09-30T04:52:55.61 0.1 undecidable manual P 107 88.8444 150 -0.1 100
IV.GRI.EHN. 2021-09-30T04:52:55.64 0.1 undecidable manual P 79 84.4488 152 0.2 97
IV.MTTG.HHZ. 2021-09-30T04:52:55.13 0.3 undecidable manual P 164 78.4659 153 0.03 77
IV.MILZ.HHN. 2021-09-30T04:52:53.20 0.6 undecidable manual P 203 50.0166 162 -0.57 46
IV.MPNC.HHN. 2021-09-30T04:52:53.81 0.3 undecidable manual P 189 60.495 159 -0.39 73
IV.MSRU.HHZ. 2021-09-30T04:52:53.16 0.3 undecidable manual P 175 46.9197 163 -0.5 73
IV.JOPP.HHZ. 2021-09-30T04:52:53.08 0.3 undecidable manual P 103 37.9287 167 -0.29 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:1.9 0.0000259 0.38 AML other m 2021-09-30T04:53:09.48
IV.FERC.HHN.00 ML:4.0 0.00354 0.6 AML other m 2021-09-30T04:53:14.37
IV.FERC.HHE.00 ML:4.0 0.00379 0.76 AML other m 2021-09-30T04:53:14.51
IV.PLAC.HHN. ML:2.4 0.00007294999999999998 1.26 AML other m 2021-09-30T04:53:15.08
IV.CAR1.HHE. ML:2.1 0.000043650000000000004 0.5 AML other m 2021-09-30T04:53:15.77
IV.SOI.EHE. ML:2.4 0.0000767 1.7 AML other m 2021-09-30T04:53:15.90
IV.SOI.EHN. ML:2.4 0.0000731 1.74 AML other m 2021-09-30T04:53:16.87
IV.MTTG.HHN. ML:2.4 0.0000848 0.58 AML other m 2021-09-30T04:53:16.55
IV.PLAC.HHE. ML:2.1 0.0000428 1.72 AML other m 2021-09-30T04:53:17.87
IV.SPS2.HHN. ML:2.1 0.000038400000000000005 0.28 AML other m 2021-09-30T04:53:17.21
IV.CET2.HHE. ML:2.5 0.0000908 0.54 AML other m 2021-09-30T04:53:17.36
IV.MTTG.HHE. ML:2.3 0.0000764 0.76 AML other m 2021-09-30T04:53:18.84
IV.SERS.HHE. ML:2.0 0.000031100000000000004 0.54 AML other m 2021-09-30T04:53:18.48
IV.CET2.HHN. ML:2.6 0.000131 0.46 AML other m 2021-09-30T04:53:18.79
IV.SERS.HHN. ML:2.2 0.0000514 0.42 AML other m 2021-09-30T04:53:19.07
IV.CAR1.HHN. ML:2.3 0.00006840000000000001 0.44 AML other m 2021-09-30T04:53:19.63
IV.GRIS.EHE. ML:2.3 0.0000596 0.92 AML other m 2021-09-30T04:53:19.47
IV.SELL.HHN. ML:1.8 0.000022150000000000003 1.42 AML other m 2021-09-30T04:53:20.93
IV.GRIS.EHN. ML:2.1 0.0000351 0.58 AML other m 2021-09-30T04:53:20.81
MN.TIP.HHN. ML:2.0 0.00002425 1.42 AML other m 2021-09-30T04:53:20.14
IV.SELL.HHE. ML:1.9 0.0000275 0.54 AML other m 2021-09-30T04:53:21.23
MN.TIP.HHE. ML:1.9 0.0000224 0.48 AML other m 2021-09-30T04:53:21.50
IV.LADO.EHN. ML:2.2 0.00004235 0.74 AML other m 2021-09-30T04:53:24.45
IV.LADO.EHE. ML:2.6 0.00008360000000000001 0.36 AML other m 2021-09-30T04:53:26.24
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