Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-12-2022 and time 08:31:45 (Italy) in region Isole Eolie (Messina)

A magnitude ML 1.1 earthquake occured in region: Isole Eolie (Messina), on

  • 04-12-2022 07:31:45 (UTC)
  • 04-12-2022 08:31:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3510, 14.8760 at 7 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lipari ME 15 12753 12753
Gioiosa Marea ME 20 7074 19827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km W of Messina (238439 inhabitants)
72 Km W of Reggio di Calabria (183035 inhabitants)
86 Km N of Acireale (52622 inhabitants)
96 Km N of Catania (314555 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 1.1 2022-12-04
07:31:45		 38.3508 14.8763 7 2024-03-01
15:28:27		 Bollettino Sismico Italiano INGV 118625461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-04 07:31:45 ± 0.12
Latitude 38.3508 ± 0.0054
Longitude 14.8763 ± 0.0138
Depth (km) 7 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118625461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1240
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 15
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) 0.38761
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 118625461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-21 22:34:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2022-12-04T07:33:27.29 3.0 undecidable manual Sn -2.9 0
IV.ZOVE.EHZ. 2022-12-04T07:33:25.69 3.0 negative manual Pn -2.11 0
IV.IMOL.HNZ. 2022-12-04T07:33:13.92 3.0 undecidable manual Pn 0.73 0
IV.CING.HHZ. 2022-12-04T07:33:08.69 3.0 positive manual Pg 13.69 0
IV.FRON.EHZ. 2022-12-04T07:32:59.63 3.0 positive manual Pn 1.06 0
IV.PTRJ.HHZ. 2022-12-04T07:32:56.70 3.0 undecidable manual Sn -3.66 0
IV.TERO.HHZ. 2022-12-04T07:32:55.86 3.0 undecidable manual Pg 11.97 0
IV.ERC.EHZ. 2022-12-04T07:32:51.61 3.0 undecidable manual Sg 3.07 0
IV.CET2.HHZ. 2022-12-04T07:31:58.15 3.0 undecidable manual P -0.77 0
IV.LIBRI.HHN. 2022-12-04T07:31:55.84 0.6 undecidable manual S 171 29.9478 103 -0.04 49
IV.MSFR.HHZ. 2022-12-04T07:31:53.64 0.1 undecidable manual P 215 43.0236 50 -0.16 93
1J.FX12.HHZ.00 2022-12-04T07:31:52.78 3.0 negative manual P 0.33 0
IV.MUCR.HHZ. 2022-12-04T07:31:52.28 0.3 undecidable manual P 180 34.1436 101 0.1 72
IV.LIBRI.HHN. 2022-12-04T07:31:51.26 0.3 undecidable manual P 171 29.9478 103 -0.1 72
3D.OEM8.HHN. 2022-12-04T07:31:50.10 0.6 undecidable manual S 15 13.5753 117 -0.38 47
IV.ILOS.HHN. 2022-12-04T07:31:50.68 0.6 undecidable manual S 31 12.2766 119 0.61 44
IV.IVCR.HHZ. 2022-12-04T07:31:49.05 0.6 undecidable manual S 48 9.879 125 -0.31 48
IV.IVGP.HHZ. 2022-12-04T07:31:48.55 0.6 undecidable manual S 55 8.9799 127 -0.56 45
IV.ILOS.HHN. 2022-12-04T07:31:48.32 0.3 undecidable manual P 31 12.2766 119 0.31 72
3D.OEM4.HHN. 2022-12-04T07:31:48.69 0.6 undecidable manual S 41 8.6802 128 -0.35 48
3D.OEM8.HHN. 2022-12-04T07:31:48.18 0.1 undecidable manual P 15 13.5753 117 -0.07 100
IV.IVGP.HHZ. 2022-12-04T07:31:47.55 0.3 undecidable manual P 55 8.9799 127 0.09 75
IV.IVPL.HHZ. 2022-12-04T07:31:47.81 0.1 undecidable manual P 73 9.4794 126 0.27 97
IV.IVCR.HHZ. 2022-12-04T07:31:47.55 0.3 undecidable manual P 48 9.879 125 -0.05 76
3D.OEM4.HHN. 2022-12-04T07:31:47.63 0.1 undecidable manual P 41 8.6802 128 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVGP.HHE. ML:1.1 0.000202 0.28 AML other m 2022-12-04T07:31:49.14
IV.IVGP.HHN. ML:1.0 0.0001735 0.34 AML other m 2022-12-04T07:31:49.20
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