Earthquake with magnitude of ML 1.7 on date 04-12-2022 and time 06:35:15 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.7 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 04-12-2022 05:35:15 (UTC)
  • 04-12-2022 06:35:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8630, 15.6160 at 52 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roghudi RC 15 1104 1104
Melito di Porto Salvo RC 16 11355 12459
Motta San Giovanni RC 17 6208 18667
Montebello Ionico RC 18 6214 24881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km S of Reggio di Calabria (183035 inhabitants)
37 Km S of Messina (238439 inhabitants)
48 Km NE of Acireale (52622 inhabitants)
61 Km NE of Catania (314555 inhabitants)
94 Km N of Siracusa (122291 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 1.7 2022-12-04
05:35:15
37.8633 15.6162 53 2024-03-01
15:28:10
Bollettino Sismico Italiano INGV 112780091
Reviewed
Rev100
ML 1.7 2022-12-04
05:35:15
37.8263 15.6548 50 2022-12-04
05:42:43
Sala Sismica INGV-Roma 112485451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-04 05:35:15 ± 0.19
Latitude 37.8633 ± 0.0090
Longitude 15.6162 ± 0.0103
Depth (km) 53 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112780091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 858
Semi-minor axis of confidence ellipse (meter) 813
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.23562
Epicentral distance of station farthest from the epicenter (degree) 0.98476
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 112780091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-21 21:36:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 112485451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-04 05:42:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-12-04T05:35:42.40 0.6 undecidable manual S 212 91.7415 106 -0.51 42
IV.HLNI.HHZ. 2022-12-04T05:35:41.51 0.6 undecidable manual S 229 86.8464 107 -0.4 43
IV.MUCR.HHZ. 2022-12-04T05:35:38.70 0.3 undecidable manual S 287 67.8765 115 0.6 62
IV.HAVL.HHZ. 2022-12-04T05:35:33.25 0.3 undecidable manual P 204 109.3128 102 -0.18 64
IV.SICLA.EHN. 2022-12-04T05:35:33.38 0.3 undecidable manual S 11 44.4222 130 -0.43 67
IV.AIO.HHZ. 2022-12-04T05:35:32.39 0.3 undecidable manual S 290 35.6421 138 -0.05 75
IV.MPAZ.HHZ. 2022-12-04T05:35:32.92 0.3 undecidable manual S 74 35.6421 138 0.48 69
TV.GMB1.HHZ. 2022-12-04T05:35:32.72 0.3 undecidable manual S 27 38.5281 135 -0.15 72
1J.FX12.HHZ.00 2022-12-04T05:35:31.09 0.3 undecidable manual S 19 26.5512 147 -0.16 74
1J.FX11.HHZ. 2022-12-04T05:35:31.32 0.6 undecidable manual S 337 28.749 145 -0.19 49
IY.CNDF.HHN.00 2022-12-04T05:35:31.13 0.3 undecidable manual S 54 26.1516 147 -0.07 75
IV.SSY.HHZ. 2022-12-04T05:35:31.20 0.3 undecidable manual P 212 91.7415 106 -0.11 68
IV.HLNI.HHZ. 2022-12-04T05:35:30.51 0.3 undecidable manual P 229 86.8464 107 -0.22 67
IV.MUCR.HHZ. 2022-12-04T05:35:28.74 0.1 undecidable manual P 287 67.8765 115 0.21 91
IY.OPPI.HHE. 2022-12-04T05:35:27.22 0.3 undecidable manual P 37 56.499 121 -0.05 72
1J.FX08.HHZ. 2022-12-04T05:35:26.21 0.3 undecidable manual P 249 39.1275 135 0.65 63
TV.GMB1.HHZ. 2022-12-04T05:35:25.55 0.1 positive manual P 27 38.5281 135 0.04 100
IV.SICLA.EHN. 2022-12-04T05:35:25.82 0.3 undecidable manual P 11 44.4222 130 -0.23 71
IV.AIO.HHZ. 2022-12-04T05:35:25.16 0.3 undecidable manual P 290 35.6421 138 -0.1 74
IV.MPAZ.HHZ. 2022-12-04T05:35:25.85 0.3 undecidable manual P 74 35.6421 138 0.59 66
IY.CNDF.HHN.00 2022-12-04T05:35:24.75 0.1 undecidable manual P 54 26.1516 147 0.2 99
1J.FX12.HHZ.00 2022-12-04T05:35:24.46 0.1 undecidable manual P 19 26.5512 147 -0.11 100
1J.FX11.HHZ. 2022-12-04T05:35:24.51 0.3 undecidable manual P 337 28.749 145 -0.22 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:1.7 0.00009125 1.32 AML other m 2022-12-04T05:35:33.13
TV.GMB1.HHE. ML:1.3 0.000034750000000000004 1.14 AML other m 2022-12-04T05:35:34.70
TV.GMB1.HNE. ML:1.8 0.00010705 1.14 AML other m 2022-12-04T05:35:34.70
TV.GMB1.HHN. ML:1.5 0.000059149999999999994 0.4 AML other m 2022-12-04T05:35:34.92
TV.GMB1.HNN. ML:2.0 0.0001915 0.8 AML other m 2022-12-04T05:35:34.92
IV.AIO.HHE. ML:1.6 0.00007935 1.28 AML other m 2022-12-04T05:35:37.34
IV.MUCR.HHE. ML:2.0 0.00012759999999999998 0.72 AML other m 2022-12-04T05:35:41.69
IV.MUCR.HHN. ML:1.9 0.00009944999999999999 0.42 AML other m 2022-12-04T05:35:45.22
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