Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-12-2023 and time 00:27:34 (Italy) in region 1 km SW Ussita (MC)

A magnitude ML 2.0 earthquake occured in region: 1 km SW Ussita (MC), on

  • 16-12-2023 23:27:34 (UTC)
  • 17-12-2023 00:27:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9380, 13.1310 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Ussita MC 1 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 10 724 2556
Bolognola MC 10 142 2698
Acquacanina MC 11 121 2819
Fiastra MC 11 559 3378
Fiordimonte MC 12 202 3580
Monte Cavallo MC 12 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 14 866 6049
Norcia PG 16 4957 11006
Montemonaco AP 17 604 11610
Montefortino FM 17 1178 12788
Sellano PG 17 1079 13867
Muccia MC 18 915 14782
Sarnano MC 18 3264 18046
Amandola FM 19 3629 21675
Montegallo AP 20 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 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
Reviewed
Rev100 		ML 2.0 2023-12-16
23:27:34		 42.9378 13.1313 10 2023-12-16
23:45:11		 Sala Sismica INGV-Roma 124098271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-16 23:27:34 ± 0.04
Latitude 42.9378 ± 0.0027
Longitude 13.1313 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124098271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 337
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.68978
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 124098271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-16 23:45:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2023-12-16T23:27:57.72 1.0 undecidable manual S 181 74.37 50 0.67 19
IV.FRON.EHZ. 2023-12-16T23:27:56.73 0.6 undecidable manual S 333 72.1722 50 0.25 43
IV.ARVD.HHZ. 2023-12-16T23:27:55.16 0.6 undecidable manual S 346 63.9915 50 0.86 35
IV.GIGS.HHZ. 2023-12-16T23:27:54.45 0.6 undecidable manual S 146 64.6908 50 -0.03 45
IV.MURB.HHZ. 2023-12-16T23:27:54.16 0.6 undecidable manual S 306 60.9945 50 0.68 39
IV.TERO.HHZ. 2023-12-16T23:27:51.22 0.6 undecidable manual S 132 52.0035 50 0.13 45
IV.FOSV.EHZ. 2023-12-16T23:27:50.54 0.6 undecidable manual S 323 49.617 50 0.07 46
IV.ATCC.EHZ. 2023-12-16T23:27:50.38 0.6 undecidable manual S 305 48.3183 50 0.27 44
IV.CING.HHZ. 2023-12-16T23:27:50.43 0.6 undecidable manual S 6 48.8178 50 0.19 45
IV.CAMP.HHZ. 2023-12-16T23:27:50.52 0.6 undecidable manual S 153 50.0166 50 -0.04 46
IV.MNTT.EHZ. 2023-12-16T23:27:48.76 1.0 undecidable manual S 70 40.1265 50 0.85 19
IV.ATVO.HHZ. 2023-12-16T23:27:48.23 1.0 undecidable manual P 310 76.5678 50 0.32 21
IV.SMA1.EHZ. 2023-12-16T23:27:47.37 0.6 undecidable manual S 154 37.9287 50 0.03 48
IV.SNTG.HHZ. 2023-12-16T23:27:47.11 0.6 undecidable manual S 336 38.4282 50 -0.35 44
IV.FIAM.HHZ. 2023-12-16T23:27:47.35 0.6 negative manual P 181 74.37 50 -0.2 43
IV.ASSB.HHZ. 2023-12-16T23:27:47.74 0.6 undecidable manual S 287 40.0266 50 -0.16 46
IV.GAVE.EHZ. 2023-12-16T23:27:46.19 0.6 undecidable manual S 215 33.4443 50 0.06 48
IV.FRON.EHZ. 2023-12-16T23:27:46.91 0.1 undecidable manual P 333 72.1722 50 -0.32 84
IV.ARVD.HHZ. 2023-12-16T23:27:45.83 1.0 undecidable manual P 346 63.9915 50 -0.14 22
IV.GIGS.HHZ. 2023-12-16T23:27:45.61 0.1 undecidable manual P 146 64.6908 50 -0.46 83
IV.MURB.HHZ. 2023-12-16T23:27:45.78 0.1 undecidable manual P 306 60.9945 50 0.29 87
IV.SAP2.EHE. 2023-12-16T23:27:45.15 0.6 undecidable manual S 51 27.9498 50 0.48 44
IV.MF5.EHZ. 2023-12-16T23:27:44.95 0.6 undecidable manual S 78 27.2505 50 0.48 44
IV.MTRA.EHZ. 2023-12-16T23:27:44.85 0.6 undecidable manual S 133 29.4483 50 -0.23 46
IV.CAMP.HHZ. 2023-12-16T23:27:43.54 0.6 negative manual P 153 50.0166 50 -0.27 44
IV.TERO.HHZ. 2023-12-16T23:27:43.87 0.1 undecidable manual P 132 52.0035 50 -0.25 89
IV.FOSV.EHZ. 2023-12-16T23:27:43.53 0.1 undecidable manual P 323 49.617 50 -0.22 90
IV.ARRO.EHZ. 2023-12-16T23:27:43.75 0.6 negative manual P 217 49.7169 50 -0.01 47
IV.ATCC.EHZ. 2023-12-16T23:27:43.30 0.1 undecidable manual P 305 48.3183 50 -0.26 89
IV.CING.HHZ. 2023-12-16T23:27:43.38 0.3 undecidable manual P 6 48.8178 50 -0.24 67
IV.CESI.HNZ. 2023-12-16T23:27:42.34 0.6 undecidable manual S 292 19.869 117 -0.01 49
IV.ASSB.HHZ. 2023-12-16T23:27:42.01 0.6 positive manual P 287 40.0266 50 -0.27 45
IV.PF6.EHN. 2023-12-16T23:27:42.62 0.6 undecidable manual S 13 22.755 114 -0.64 42
IV.MNTT.EHZ. 2023-12-16T23:27:42.81 0.1 positive manual P 70 40.1265 50 0.53 85
IV.GAVE.EHZ. 2023-12-16T23:27:41.19 0.1 positive manual P 215 33.4443 50 -0.06 95
IV.SMA1.EHZ. 2023-12-16T23:27:41.76 0.1 undecidable manual P 154 37.9287 50 -0.19 92
IV.SNTG.HHZ. 2023-12-16T23:27:41.66 0.3 undecidable manual P 336 38.4282 50 -0.37 66
IV.MMO1.HNE. 2023-12-16T23:27:41.08 0.6 undecidable manual S 105 16.4724 122 -0.25 47
IV.CSP1.EHZ. 2023-12-16T23:27:41.54 0.6 undecidable manual S 19 18.0708 120 -0.27 47
IV.LNSS.HHE. 2023-12-16T23:27:41.77 0.1 undecidable manual P 191 37.9287 50 -0.17 93
7F.SIB3.EHE. 2023-12-16T23:27:40.24 0.6 undecidable manual S 122 13.2756 128 -0.17 48
IV.SAP2.EHE. 2023-12-16T23:27:40.49 0.1 undecidable manual P 51 27.9498 50 0.08 96
7F.SIB2.EHE. 2023-12-16T23:27:40.71 0.6 undecidable manual S 110 14.9739 125 -0.18 48
IT.MTCL.HGZ. 2023-12-16T23:27:40.12 0.6 undecidable manual S 300 12.3765 130 -0.06 49
IV.MF5.EHZ. 2023-12-16T23:27:40.42 0.1 positive manual P 78 27.2505 50 0.13 95
IV.NRCA.HNZ. 2023-12-16T23:27:40.13 0.6 undecidable manual S 187 11.6772 132 0.14 49
IV.MTRA.EHZ. 2023-12-16T23:27:40.56 0.1 undecidable manual P 133 29.4483 50 -0.08 96
IV.FEMA.HNZ. 2023-12-16T23:27:39.06 1.0 undecidable manual S 292 7.1928 145 0.12 25
7F.SIB1.EHE. 2023-12-16T23:27:39.94 0.6 undecidable manual S 113 12.2766 130 -0.21 48
IV.MC2.EHE. 2023-12-16T23:27:39.00 0.6 undecidable manual S 122 5.4945 152 0.35 47
IV.FDMO.HHZ. 2023-12-16T23:27:39.85 0.6 undecidable manual S 342 11.4774 132 -0.1 49
IV.CESI.HNZ. 2023-12-16T23:27:39.05 0.1 undecidable manual P 292 19.869 117 -0.02 98
IV.PF6.EHN. 2023-12-16T23:27:39.20 0.1 undecidable manual P 13 22.755 114 -0.39 91
IV.MMO1.HNE. 2023-12-16T23:27:38.47 0.1 undecidable manual P 105 16.4724 122 -0.01 99
IV.CSP1.EHZ. 2023-12-16T23:27:38.63 0.1 undecidable manual P 19 18.0708 120 -0.12 97
7F.SIB1.EHE. 2023-12-16T23:27:38.04 0.1 undecidable manual P 113 12.2766 130 0.24 95
7F.SIB2.EHE. 2023-12-16T23:27:38.20 0.1 undecidable manual P 110 14.9739 125 -0.02 99
IV.NRCA.HNZ. 2023-12-16T23:27:37.96 0.1 negative manual P 187 11.6772 132 0.25 95
IV.FEMA.HNZ. 2023-12-16T23:27:37.61 0.1 undecidable manual P 292 7.1928 145 0.51 91
7F.SIB3.EHE. 2023-12-16T23:27:37.97 0.1 undecidable manual P 122 13.2756 128 0.02 100
IV.MC2.EHE. 2023-12-16T23:27:37.44 0.1 undecidable manual P 122 5.4945 152 0.5 91
IV.FDMO.HHZ. 2023-12-16T23:27:37.67 0.1 undecidable manual P 342 11.4774 132 -0.01 100
IT.MTCL.HGZ. 2023-12-16T23:27:37.88 0.1 negative manual P 300 12.3765 130 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.2 0.0017549999999999998 0.26 AML other m 2023-12-16T23:27:40.02
IV.FDMO.HHN. ML:2.3 0.00244 0.26 AML other m 2023-12-16T23:27:40.18
IT.MTCL.HGN. ML:3.9 0.08205000000000001 0.38 AML other m 2023-12-16T23:27:40.42
IV.NRCA.HNN. ML:2.5 0.003975 0.12 AML other m 2023-12-16T23:27:40.23
IV.FEMA.HNN. ML:1.9 0.0010975 1.5 AML other m 2023-12-16T23:27:40.23
IV.NRCA.HHN. ML:2.6 0.004085 0.1 AML other m 2023-12-16T23:27:40.23
IV.FEMA.HNE. ML:1.9 0.001295 0.6 AML other m 2023-12-16T23:27:40.29
IT.MTCL.HGE. ML:4.0 0.10395 0.18 AML other m 2023-12-16T23:27:40.67
IV.NRCA.HHE. ML:2.6 0.004939999999999999 1 AML other m 2023-12-16T23:27:40.77
IV.NRCA.HNE. ML:2.6 0.00458 1.02 AML other m 2023-12-16T23:27:40.78
IV.CESI.HHE. ML:2.0 0.0007804999999999999 0.64 AML other m 2023-12-16T23:27:42.41
IV.CESI.HNE. ML:2.0 0.0007930000000000001 0.24 AML other m 2023-12-16T23:27:42.41
IV.CESI.HHN. ML:2.2 0.00123 0.32 AML other m 2023-12-16T23:27:42.56
IV.CESI.HNN. ML:2.2 0.001215 0.22 AML other m 2023-12-16T23:27:42.61
IV.MF5.EHN. ML:2.0 0.000558 1.14 AML other m 2023-12-16T23:27:45.24
IV.MF5.EHE. ML:2.0 0.00051 0.2 AML other m 2023-12-16T23:27:45.62
IV.MTRA.EHE. ML:1.9 0.0003695 1.26 AML other m 2023-12-16T23:27:45.01
IV.MTRA.EHN. ML:1.9 0.0003685 1.06 AML other m 2023-12-16T23:27:45.74
IV.MTRA.HNE. ML:1.9 0.00039150000000000003 0.32 AML other m 2023-12-16T23:27:46.01
IV.MTRA.HNN. ML:2.0 0.000508 0.68 AML other m 2023-12-16T23:27:46.63
IV.ASSB.HHE. ML:1.8 0.00023299999999999997 1.68 AML other m 2023-12-16T23:27:47.90
IV.ARVD.HHN. ML:1.6 0.00007255 0.42 AML other m 2023-12-16T23:27:47.75
IV.GAVE.EHN. ML:2.0 0.0004535 0.46 AML other m 2023-12-16T23:27:48.65
IV.SMA1.EHN. ML:1.8 0.0002125 0.24 AML other m 2023-12-16T23:27:48.71
IV.GAVE.EHE. ML:2.0 0.000377 0.26 AML other m 2023-12-16T23:27:49.45
IV.MURB.HHN. ML:2.0 0.0001825 0.42 AML other m 2023-12-16T23:27:49.82
IV.MNTT.EHE. ML:2.2 0.0005380000000000001 0.68 AML other m 2023-12-16T23:27:50.05
IV.ASSB.HHN. ML:1.8 0.000241 0.84 AML other m 2023-12-16T23:27:50.20
IV.FOSV.EHE. ML:1.6 0.0000965 0.36 AML other m 2023-12-16T23:27:50.80
IV.CAMP.HHN. ML:1.7 0.000128 1.14 AML other m 2023-12-16T23:27:51.71
IV.FOSV.EHN. ML:1.6 0.0001175 0.28 AML other m 2023-12-16T23:27:51.28
IV.MNTT.EHN. ML:2.3 0.000669 0.88 AML other m 2023-12-16T23:27:51.03
IV.CAMP.HHE. ML:1.8 0.00017749999999999998 1.12 AML other m 2023-12-16T23:27:51.11
IV.SMA1.EHE. ML:1.8 0.00023299999999999997 0.48 AML other m 2023-12-16T23:27:52.55
IV.MURB.HHE. ML:2.0 0.00020999999999999998 1.52 AML other m 2023-12-16T23:27:56.09
IV.ARVD.HHE. ML:1.7 0.00009715 0.42 AML other m 2023-12-16T23:27:57.11
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