Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 22-12-2021 and time 04:41:36 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-12-2021 04:41:36 (UTC)
  • 22-12-2021 05:41:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4920, 15.4840 at 132 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 NW 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 2.0 2021-12-22
04:41:36		 38.4923 15.4843 132 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99278881
Reviewed
Rev100 		ML 2.0 2021-12-22
04:41:36		 38.5208 15.4807 132 2021-12-22
04:51:12		 Sala Sismica INGV-Roma 98806301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-22 04:41:36 ± 0.23
Latitude 38.4923 ± 0.0135
Longitude 15.4843 ± 0.0184
Depth (km) 132 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99278881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1627
Semi-minor axis of confidence ellipse (meter) 1142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.22933
Epicentral distance of station farthest from the epicenter (degree) 1.78515
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 99278881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-04 16:01:11

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 98806301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-22 04:51:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHN. 2021-12-22T04:42:21.37 0.6 undecidable manual S 55 133.866 131 0.99 34
IV.SPS2.HHZ. 2021-12-22T04:42:17.44 0.6 undecidable manual S 40 115.2957 136 -0.03 49
IV.GIZZ.HHN. 2021-12-22T04:42:12.61 0.6 undecidable manual S 49 82.7505 145 -0.38 48
IV.PLAC.HHZ. 2021-12-22T04:42:12.84 0.6 undecidable manual S 93 82.9503 145 -0.18 50
IV.AIO.HHE. 2021-12-22T04:42:11.52 0.6 undecidable manual S 201 61.7937 153 0.85 42
IV.MTTG.HHZ. 2021-12-22T04:42:10.77 0.6 undecidable manual S 161 57.3981 155 0.52 49
IV.FERC.HHZ. 2021-12-22T04:42:10.80 0.6 undecidable manual S 94 56.0994 155 0.68 46
IV.MTSN.HNN. 2021-12-22T04:42:08.21 0.3 undecidable manual P 7 198.1572 120 -0.09 52
IV.JOPP.HHZ. 2021-12-22T04:42:08.62 0.6 undecidable manual S 70 37.0296 163 -0.04 56
3D.OEM9.HHE. 2021-12-22T04:42:08.60 0.6 undecidable manual S 255 44.4222 160 -0.56 49
IV.MPNC.HHZ. 2021-12-22T04:42:08.50 0.6 undecidable manual S 197 40.0266 162 -0.35 53
IV.MSRU.HHZ. 2021-12-22T04:42:07.58 0.6 undecidable manual S 175 25.4523 168 -0.46 53
IV.SIRI.HNE. 2021-12-22T04:42:07.28 0.3 undecidable manual P 10 190.2651 121 -0.18 54
IV.MGR.HHZ. 2021-12-22T04:42:06.97 0.1 undecidable manual P 2 182.5839 122 0.33 72
IV.BULG.HHN. 2021-12-22T04:42:06.99 0.3 undecidable manual P 357 176.1903 123 1.03 43
IV.PIPA.HHZ. 2021-12-22T04:42:04.40 0.3 undecidable manual P 46 159.1185 126 0.19 63
IV.LADO.EHZ. 2021-12-22T04:42:03.57 0.3 undecidable manual P 55 156.1215 126 -0.34 62
IV.GRIS.EHZ. 2021-12-22T04:42:02.53 0.1 negative manual P 13 142.0467 129 0 92
IV.CELI.HHZ. 2021-12-22T04:42:01.98 0.3 undecidable manual P 41 134.1657 131 0.2 68
MN.TIP.HHN. 2021-12-22T04:42:01.69 0.1 undecidable manual P 55 133.866 131 -0.06 93
IV.SERS.HHZ. 2021-12-22T04:42:00.56 0.3 undecidable manual P 60 120.3906 134 0.05 72
IV.CET2.HHZ. 2021-12-22T04:42:00.58 0.3 undecidable manual P 19 121.8891 134 -0.07 71
IV.SPS2.HHZ. 2021-12-22T04:41:59.87 0.1 negative manual P 40 115.2957 136 -0.2 94
IV.GRI.EHN. 2021-12-22T04:41:58.38 0.3 undecidable manual P 65 88.9443 143 0.45 70
IV.CAR1.HHZ. 2021-12-22T04:41:58.66 0.6 undecidable manual P 36 105.2169 138 -0.55 44
IV.GIZZ.HHN. 2021-12-22T04:41:57.15 0.3 undecidable manual P 49 82.7505 145 -0.33 73
IV.PLAC.HHZ. 2021-12-22T04:41:57.28 0.1 positive manual P 93 82.9503 145 -0.22 100
IV.MPAZ.HHZ. 2021-12-22T04:41:56.81 0.3 undecidable manual P 143 75.1692 148 -0.15 77
IV.MUCR.HHE. 2021-12-22T04:41:56.93 0.3 undecidable manual P 227 72.8715 149 0.12 78
IV.AIO.HHE. 2021-12-22T04:41:56.32 0.3 undecidable manual P 201 61.7937 153 0.18 78
IV.FERC.HHZ. 2021-12-22T04:41:55.73 1.0 undecidable manual P 94 56.0994 155 -0.1 27
3D.OEM9.HHE. 2021-12-22T04:41:55.33 0.3 undecidable manual P 255 44.4222 160 0.06 83
IV.MPNC.HHZ. 2021-12-22T04:41:55.77 0.6 undecidable manual P 197 40.0266 162 0.68 47
IV.IVPL.HHZ. 2021-12-22T04:41:55.44 0.6 negative manual P 254 45.621 159 0.11 55
IV.MTTG.HHZ. 2021-12-22T04:41:55.90 0.6 positive manual P 161 57.3981 155 0 55
IV.MSRU.HHZ. 2021-12-22T04:41:54.02 0.3 undecidable manual P 175 25.4523 168 -0.6 75
IV.JOPP.HHZ. 2021-12-22T04:41:54.64 0.3 undecidable manual P 70 37.0296 163 -0.34 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HNE. ML:2.1 0.000072620845 0.768 AML other m 2021-12-22T04:41:55.60
IV.IVPL.HHN. ML:2.3 0.00010695537 1.2416 AML other m 2021-12-22T04:41:55.29
IV.IVPL.HNN. ML:1.8 0.000034625550000000006 0.1024 AML other m 2021-12-22T04:41:55.41
IV.MPNC.HHE. ML:1.9 0.00004767128499999999 0.6784 AML other m 2021-12-22T04:41:57.60
IV.IVPL.HHE. ML:2.4 0.00015136305 0.8992 AML other m 2021-12-22T04:42:00.44
IV.CELI.HNN. ML:2.1 0.00004577685 0.9984 AML other m 2021-12-22T04:42:03.52
IV.PIPA.HNN. ML:3.1 0.00033022485 0.7712 AML other m 2021-12-22T04:42:03.96
IV.MPAZ.HHE. ML:1.7 0.000026070524999999995 0.96 AML other m 2021-12-22T04:42:05.42
IV.IVPL.HNE. ML:1.8 0.00003400162 0.0096 AML other m 2021-12-22T04:42:05.07
IV.JOPP.HNN. ML:2.0 0.00006506237000000001 0.5696 AML other m 2021-12-22T04:42:07.45
IV.MSRU.HHE. ML:2.2 0.00008877283999999999 0.4 AML other m 2021-12-22T04:42:08.07
IV.LADO.EHN. ML:1.9 0.000024581865 0.8992 AML other m 2021-12-22T04:42:08.87
IV.MPNC.HHN. ML:2.0 0.000052533365 0.4416 AML other m 2021-12-22T04:42:09.29
IV.JOPP.HHN. ML:2.0 0.00005704306500000001 0.16 AML other m 2021-12-22T04:42:09.42
IV.SERS.HNN. ML:1.9 0.000031493115 1.1808 AML other m 2021-12-22T04:42:12.02
IV.MPAZ.HHN. ML:1.8 0.00003298358 0.3616 AML other m 2021-12-22T04:42:12.67
IV.PLAC.HHN. ML:1.9 0.00003548442 0.1984 AML other m 2021-12-22T04:42:13.90
IV.PLAC.HHE. ML:1.9 0.000032565554999999996 0.32 AML other m 2021-12-22T04:42:14.47
IV.CELI.HHE. ML:1.9 0.000023997095 1.5008 AML other m 2021-12-22T04:42:14.79
IV.JOPP.HHE. ML:2.0 0.000054437855 0.8 AML other m 2021-12-22T04:42:17.46
IV.CAR1.HHE. ML:2.1 0.00005317101 0.2016 AML other m 2021-12-22T04:42:17.52
IV.CAR1.HHN. ML:2.0 0.000045970994 0.2176 AML other m 2021-12-22T04:42:17.95
IV.SPS2.HHN. ML:1.7 0.0000217 0.26 AML other m 2021-12-22T04:42:19.24
IV.SPS2.HHE. ML:1.4 0.0000123 0.74 AML other m 2021-12-22T04:42:19.76
IV.CET2.HHN. ML:2.6 0.00015451435000000003 0.3424 AML other m 2021-12-22T04:42:19.76
IV.CET2.HHE. ML:2.3 0.000070974635 0.2784 AML other m 2021-12-22T04:42:19.84
IV.SERS.HHN. ML:1.6 0.000015671405 0.56 AML other m 2021-12-22T04:42:20.26
IV.CAR1.HNE. ML:2.2 0.000070767105 1.36 AML other m 2021-12-22T04:42:20.41
IV.PLAC.HNE. ML:2.0 0.00004716616499999999 0.8416 AML other m 2021-12-22T04:42:22.63
IV.GRIS.HNE. ML:2.7 0.00016300709 0.6976 AML other m 2021-12-22T04:42:25.81
IV.PLAC.HNN. ML:2.0 0.000050562385 0.9696 AML other m 2021-12-22T04:42:26.33
IV.MSRU.HHN. ML:2.0 0.000063989475 1.04 AML other m 2021-12-22T04:42:25.93
IV.GRIS.HNN. ML:2.6 0.00014098999499999998 0.7008 AML other m 2021-12-22T04:42:26.83
IV.MTTG.HHN. ML:2.1 0.00006367316000000001 1.3216 AML other m 2021-12-22T04:42:27.68
IV.SERS.HHE. ML:1.6 0.0000170207 1.1808 AML other m 2021-12-22T04:42:30.06
IV.GRIS.EHE. ML:2.2 0.000048785245 1.44 AML other m 2021-12-22T04:42:33.96
IV.MTTG.HHE. ML:2.1 0.00007520807000000001 1.2384 AML other m 2021-12-22T04:42:35.63
IV.CELI.HNE. ML:2.1 0.00004319684 1.12 AML other m 2021-12-22T04:42:37.95
IV.PIPA.HNE. ML:2.7 0.00015482265 1.3888 AML other m 2021-12-22T04:42:41.26
IV.CELI.HHN. ML:1.6 0.000016337765000000002 1.92 AML other m 2021-12-22T04:42:42.55
IV.SERS.HNE. ML:2.1 0.000044495285 1.2 AML other m 2021-12-22T04:42:42.70
IV.CAR1.HNN. ML:2.3 0.00009155422500000001 1.0592 AML other m 2021-12-22T04:42:43.43
IV.LADO.EHE. ML:2.1 0.000036972644999999995 1.1424 AML other m 2021-12-22T04:42:43.37
IV.GRIS.EHN. ML:1.9 0.000023132534999999998 0.9376 AML other m 2021-12-22T04:42:48.88
IV.PIPA.HHN. ML:1.8 0.000018660555 1.28 AML other m 2021-12-22T04:42:51.19
IV.PIPA.HHE. ML:1.7 0.00001556256 0.9792 AML other m 2021-12-22T04:42:53.67
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