Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 20-12-2022 and time 08:35:52 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.0 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 20-12-2022 08:35:52 (UTC)
  • 20-12-2022 09:35:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1670, 15.0950 at 9 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
Oliveri ME 6 2181 2181
Falcone ME 6 2808 4989
Terme Vigliatore ME 7 7395 12384
Furnari ME 7 3784 16168
Rodì Milici ME 9 2056 18224
Mazzarrà Sant'Andrea ME 9 1531 19755
Barcellona Pozzo di Gotto ME 11 41583 61338
Patti ME 12 13431 74769
Basicò ME 12 612 75381
Castroreale ME 13 2504 77885
Tripi ME 13 873 78758
Merì ME 13 2338 81096
Montagnareale ME 13 1615 82711
Librizzi ME 14 1660 84371
Milazzo ME 14 31646 116017
San Filippo del Mela ME 16 7115 123132
Santa Lucia del Mela ME 17 4650 127782
Novara di Sicilia ME 17 1337 129119
San Piero Patti ME 17 2915 132034
Montalbano Elicona ME 17 2287 134321
Gioiosa Marea ME 18 7074 141395
Pace del Mela ME 19 6239 147634
Sant'Angelo di Brolo ME 19 3090 150724
Gualtieri Sicaminò ME 20 1807 152531

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Messina (238439 inhabitants)
49 Km W of Reggio di Calabria (183035 inhabitants)
62 Km N of Acireale (52622 inhabitants)
74 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 1.0 2022-12-20
08:35:52		 38.1668 15.0947 9 2024-03-01
15:28:26		 Bollettino Sismico Italiano INGV 118277621
Reviewed
Rev100 		ML 1.0 2022-12-20
08:35:52		 38.1635 15.0893 10 2022-12-20
08:45:39		 Sala Sismica INGV-Roma 112969391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-20 08:35:52 ± 0.07
Latitude 38.1668 ± 0.0036
Longitude 15.0947 ± 0.0046
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118277621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 155
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33904
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 118277621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-10 15:51:00

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 112969391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-20 08:45:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAVA.HHZ. 2022-12-20T08:36:37.37 3.0 undecidable manual S 0.01 0
IV.IACL.HHZ. 2022-12-20T08:36:06.35 3.0 undecidable manual P -0.06 0
IV.MSRU.HHZ. 2022-12-20T08:36:05.59 0.3 undecidable manual S 73 37.629 50 -0.22 70
IV.IVPL.HHZ. 2022-12-20T08:36:02.48 0.3 undecidable manual S 337 25.2525 110 0.25 71
IV.AIO.HHZ. 2022-12-20T08:36:02.11 0.3 undecidable manual S 151 24.8529 110 0.02 74
IV.MUCR.HHZ. 2022-12-20T08:36:01.45 0.3 undecidable manual S 235 23.6541 111 -0.26 71
IV.MPNC.HHZ. 2022-12-20T08:36:01.35 0.6 undecidable manual S 96 22.6551 112 -0.02 50
IV.MSRU.HHZ. 2022-12-20T08:36:00.46 0.1 undecidable manual P 73 37.629 50 0.11 95
IV.LIBRI.HNZ. 2022-12-20T08:35:59.63 0.6 undecidable manual S 238 17.1717 118 -0.02 50
IV.AIO.HHZ. 2022-12-20T08:35:58.48 0.3 undecidable manual P 151 24.8529 110 0.28 70
IV.MILZ.HHZ. 2022-12-20T08:35:58.96 0.6 undecidable manual S 46 16.5723 119 -0.53 45
IV.IVPL.HHZ. 2022-12-20T08:35:58.36 0.3 undecidable manual P 337 25.2525 110 0.07 74
IV.MUCR.HHZ. 2022-12-20T08:35:57.88 0.1 undecidable manual P 235 23.6541 111 -0.1 98
IV.MPNC.HHZ. 2022-12-20T08:35:57.97 0.1 undecidable manual P 96 22.6551 112 0.18 96
IV.MILZ.HHZ. 2022-12-20T08:35:56.63 0.3 undecidable manual P 46 16.5723 119 -0.07 75
IV.LIBRI.HNZ. 2022-12-20T08:35:56.84 0.1 undecidable manual P 238 17.1717 118 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVPL.HHE. ML:1.2 0.0000988732 1.2832 AML other m 2022-12-20T08:35:58.85
IV.MUCR.HHE. ML:0.9 0.00004905902 0.2752 AML other m 2022-12-20T08:36:01.61
IV.MPNC.HHN. ML:1.1 0.00008102461999999999 0.2368 AML other m 2022-12-20T08:36:01.63
IV.MUCR.HHN. ML:1.0 0.00007041337999999999 0.3392 AML other m 2022-12-20T08:36:01.88
IV.AIO.HHE. ML:0.6 0.000024141925000000002 0.2432 AML other m 2022-12-20T08:36:02.35
IV.AIO.HHN. ML:0.8 0.000038051105 0.16 AML other m 2022-12-20T08:36:02.34
IV.MPNC.HHE. ML:1.0 0.00006477996 0.4352 AML other m 2022-12-20T08:36:02.72
IV.IVPL.HNE. ML:0.8 0.0000365237135 1.9168 AML other m 2022-12-20T08:36:04.02
IV.MSRU.HHN. ML:1.1 0.000045277075 0.8384 AML other m 2022-12-20T08:36:05.14
IV.IVPL.HNN. ML:0.8 0.00003785459 0.0128 AML other m 2022-12-20T08:36:06.28
IV.IVPL.HHN. ML:1.2 0.00008264451 0.48 AML other m 2022-12-20T08:36:08.70
IV.MSRU.HHE. ML:1.1 0.000051411465000000005 0.6144 AML other m 2022-12-20T08:36:10.22
IV.IACL.HHE. ML:1.7 0.000080756495 0.064 AML other m 2022-12-20T08:36:23.20
IV.IACL.HHN. ML:1.9 0.0001129 1.7 AML other m 2022-12-20T08:36:24.96
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