Earthquake with magnitude of ML 2.2 on date 16-12-2021 and time 17:23:32 (Italy) in region Mar Ionio Meridionale (MARE)

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

  • 16-12-2021 16:23:32 (UTC)
  • 16-12-2021 17:23:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.3010, 15.8360 at 30 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.

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 NE of Siracusa (122291 inhabitants)
69 Km SE of Acireale (52622 inhabitants)
70 Km E of Catania (314555 inhabitants)
92 Km S of Reggio di Calabria (183035 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 2021-12-16
16:23:32
37.3008 15.8365 30 2022-03-30
13:04:29
Bollettino Sismico Italiano INGV 99689001
Reviewed
Rev100
ML 2.2 2021-12-16
16:23:32
37.3025 15.8447 29 2021-12-16
16:31:46
Sala Sismica INGV-Roma 98594801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-16 16:23:32 ± 0.13
Latitude 37.3008 ± 0.0063
Longitude 15.8365 ± 0.0090
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99689001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 927
Semi-minor axis of confidence ellipse (meter) 468
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.30582
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 19
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 99689001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-23 09:43:34

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 98594801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-16 16:31:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2021-12-16T16:24:52.52 3.0 positive manual Pg 10.61 0
IV.VIVA.HHZ. 2021-12-16T16:24:47.56 3.0 positive manual Pn 1.04 0
IV.BSSO.HNZ. 2021-12-16T16:24:40.02 3.0 undecidable manual Pn 2.77 0
IT.ORP.HGZ. 2021-12-16T16:24:37.91 3.0 undecidable manual Pg 5.36 0
IV.PTRJ.HHZ. 2021-12-16T16:24:36.99 3.0 undecidable manual Pn 2.02 0
AC.VLO.HHZ. 2021-12-16T16:24:31.23 3.0 undecidable manual Pn -5.83 0
IV.RESU.HHZ. 2021-12-16T16:24:12.71 3.0 undecidable manual Sn -3.06 0
IV.JOPP.HNN. 2021-12-16T16:24:12.02 0.6 undecidable manual S 2 144.9438 54 -0.3 41
IV.HVIT.HHZ. 2021-12-16T16:24:07.03 0.6 undecidable manual S 254 121.1898 54 -0.17 44
IV.MSRU.HHE. 2021-12-16T16:24:05.04 0.6 undecidable manual S 345 110.6004 54 0.11 45
IV.ISPIC.EHZ. 2021-12-16T16:24:02.17 0.6 undecidable manual S 235 100.8213 102 -0.36 44
IV.HVZN.HHZ. 2021-12-16T16:24:02.55 0.6 undecidable manual S 263 99.9222 102 0.25 45
IV.HMDC.HHZ. 2021-12-16T16:24:01.87 0.6 undecidable manual S 248 100.6215 102 -0.6 41
IV.HLNI.HHZ. 2021-12-16T16:23:58.03 0.6 undecidable manual S 274 85.248 105 -0.46 45
IV.RESU.HHZ. 2021-12-16T16:23:57.01 3.0 positive manual Pn -0.2 0
IV.HCRL.HHZ. 2021-12-16T16:23:55.01 0.6 undecidable manual S 269 70.9734 108 0.18 49
IV.JOPP.HNN. 2021-12-16T16:23:55.58 0.1 undecidable manual P 2 144.9438 54 0.04 86
IV.MPAZ.HHZ. 2021-12-16T16:23:54.95 0.6 undecidable manual S 12 73.8705 107 -0.62 44
IV.SSY.HHZ. 2021-12-16T16:23:54.38 0.6 undecidable manual S 257 69.1752 108 -0.01 51
IV.FERC.HHE.00 2021-12-16T16:23:53.87 0.3 undecidable manual P 11 130.2696 54 0.15 65
IV.HVIT.HHZ. 2021-12-16T16:23:52.51 0.3 undecidable manual P 254 121.1898 54 -0.08 68
IV.MUCR.HHZ. 2021-12-16T16:23:52.54 0.3 undecidable manual P 315 117.993 54 0.35 64
IV.EPZF.HHZ. 2021-12-16T16:23:51.26 0.1 undecidable manual P 304 103.8183 102 0.92 71
IV.MSRU.HHE. 2021-12-16T16:23:51.06 0.3 undecidable manual P 345 110.6004 54 -0.22 68
IV.HSRS.HHZ. 2021-12-16T16:23:51.94 0.6 undecidable manual S 247 58.9965 112 0.12 51
IV.HAGA.HHZ. 2021-12-16T16:23:51.96 0.6 undecidable manual S 269 60.1953 111 -0.15 50
IV.MPNC.HHZ. 2021-12-16T16:23:49.83 0.3 undecidable manual P 336 102.9192 102 -0.38 66
IV.HVZN.HHZ. 2021-12-16T16:23:49.75 0.1 undecidable manual P 263 99.9222 102 0 95
IV.HMDC.HHZ. 2021-12-16T16:23:49.60 0.1 undecidable manual P 248 100.6215 102 -0.25 90
IV.ISPIC.EHZ. 2021-12-16T16:23:49.77 0.1 undecidable manual P 235 100.8213 102 -0.12 93
IV.AIO.HHZ. 2021-12-16T16:23:48.57 0.1 undecidable manual P 325 91.3419 104 0.11 95
TV.GMB1.HHE. 2021-12-16T16:23:48.98 0.3 undecidable manual P 359 96.7254 103 -0.29 68
IV.HLNI.HHZ. 2021-12-16T16:23:47.45 0.1 positive manual P 274 85.248 105 -0.1 97
IV.MTTG.HHZ. 2021-12-16T16:23:46.68 0.1 undecidable manual P 351 78.8655 106 0.08 98
IV.MPAZ.HHZ. 2021-12-16T16:23:45.90 0.1 undecidable manual P 12 73.8705 107 0.03 100
IV.SSY.HHZ. 2021-12-16T16:23:45.32 0.1 undecidable manual P 257 69.1752 108 0.14 99
IV.HCRL.HHZ. 2021-12-16T16:23:45.61 0.1 undecidable manual P 269 70.9734 108 0.17 98
IV.HAGA.HHZ. 2021-12-16T16:23:44.08 0.1 positive manual P 269 60.1953 111 0.2 99
IV.HSRS.HHZ. 2021-12-16T16:23:43.98 0.1 undecidable manual P 247 58.9965 112 0.28 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHE. ML:1.9 0.000154 0.38 AML other m 2021-12-16T16:23:52.55
IV.HAGA.HHN. ML:2.0 0.00015949999999999997 1.3 AML other m 2021-12-16T16:23:53.71
IV.MPAZ.HHE. ML:2.0 0.00012515 0.52 AML other m 2021-12-16T16:23:55.54
IV.HCRL.HHN. ML:2.2 0.000244 0.2 AML other m 2021-12-16T16:23:55.57
IV.SSY.HHN. ML:2.7 0.0007650000000000001 1.22 AML other m 2021-12-16T16:23:55.34
IV.MPAZ.HHN. ML:1.9 0.0001078 0.76 AML other m 2021-12-16T16:23:56.38
IV.SSY.HHE. ML:2.4 0.00035099999999999997 0.2 AML other m 2021-12-16T16:23:56.68
IV.SSY.HNE. ML:2.2 0.000237 0.7 AML other m 2021-12-16T16:23:56.68
IV.SSY.HNN. ML:2.2 0.000214 1.12 AML other m 2021-12-16T16:23:56.34
IV.HCRL.HHE. ML:2.2 0.00023950000000000002 1.12 AML other m 2021-12-16T16:23:57.31
IV.HLNI.HHE. ML:2.8 0.000665 0.54 AML other m 2021-12-16T16:23:58.26
IV.HLNI.HHN. ML:2.7 0.0005705 0.76 AML other m 2021-12-16T16:23:58.24
IV.HMDC.HHN. ML:2.2 0.000154 0.32 AML other m 2021-12-16T16:24:02.09
IV.ISPIC.EHN. ML:2.5 0.0002845 0.24 AML other m 2021-12-16T16:24:02.29
IV.ISPIC.EHE. ML:2.4 0.0002375 0.14 AML other m 2021-12-16T16:24:02.47
IV.HVZN.HHE. ML:2.5 0.00026900000000000003 1.06 AML other m 2021-12-16T16:24:03.60
IV.HVZN.HHN. ML:2.5 0.0002985 1.04 AML other m 2021-12-16T16:24:03.18
IV.HMDC.HHE. ML:2.1 0.0001185 0.48 AML other m 2021-12-16T16:24:03.65
IV.AIO.HHN. ML:1.5 0.000033100000000000005 1.74 AML other m 2021-12-16T16:24:05.87
IV.AIO.HHE. ML:1.4 0.000029049999999999998 1.8 AML other m 2021-12-16T16:24:06.90
IV.HVIT.HHN. ML:2.3 0.00012835 0.44 AML other m 2021-12-16T16:24:07.29
IV.HVIT.HHE. ML:2.2 0.0001265 0.64 AML other m 2021-12-16T16:24:09.05
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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