Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 08-12-2023 and time 09:20:15 (Italy) in region 2 km NE Genga (AN)

A magnitude ML 1.8 earthquake occured in region: 2 km NE Genga (AN), on

  • 08-12-2023 08:20:15 (UTC)
  • 08-12-2023 09:20:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4420, 12.9500 at 38 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
Genga AN 2 1797 1797
Serra San Quirico AN 5 2850 4647
Arcevia AN 7 4612 9259
Sassoferrato AN 7 7285 16544
Mergo AN 8 1037 17581
Rosora AN 11 1985 19566
Castelplanio AN 12 3540 23106
Fabriano AN 12 31480 54586
Poggio San Vicino MC 13 246 54832
Poggio San Marcello AN 13 693 55525
Montecarotto AN 13 1987 57512
Serra de' Conti AN 13 3746 61258
Cupramontana AN 14 4756 66014
Cerreto d'Esi AN 14 3817 69831
Maiolati Spontini AN 14 6248 76079
Serra Sant'Abbondio PU 15 1027 77106
Apiro MC 16 2280 79386
Monte Roberto AN 16 3061 82447
Pergola PU 16 6333 88780
Barbara AN 17 1368 90148
Castelbellino AN 17 4947 95095
San Lorenzo in Campo PU 18 3414 98509
San Paolo di Jesi AN 18 933 99442
Castelleone di Suasa AN 19 1676 101118
Frontone PU 19 1300 102418
Staffolo AN 19 2253 104671

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Fano (60888 inhabitants)
50 Km W of Ancona (100861 inhabitants)
52 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
76 Km SE of Rimini (147750 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
96 Km SE of Cesena (96758 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 1.8 2023-12-08
08:20:15		 43.4418 12.9498 38 2023-12-08
08:31:18		 Sala Sismica INGV-Roma 123892381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 08:20:15 ± 0.16
Latitude 43.4418 ± 0.0063
Longitude 12.9498 ± 0.0099
Depth (km) 38 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123892381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.95238
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 123892381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-08 08:31:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2023-12-08T08:20:34.73 0.6 undecidable manual P 168 105.7164 54 1.39 27
IV.CSP1.EHZ. 2023-12-08T08:20:33.26 0.6 undecidable manual S 152 43.9227 127 0.56 44
IV.CESI.HHZ. 2023-12-08T08:20:33.75 0.6 undecidable manual S 184 48.618 124 0.04 49
IV.ATVO.HHZ. 2023-12-08T08:20:33.74 0.6 undecidable manual S 262 44.3223 127 0.97 37
IV.CRTC.HHZ. 2023-12-08T08:20:32.47 0.6 undecidable manual S 352 36.6411 133 1.27 31
IV.ATCC.EHZ. 2023-12-08T08:20:32.17 0.3 undecidable manual S 221 37.9287 132 0.72 63
IV.LNSS.HHZ. 2023-12-08T08:20:32.98 0.6 positive manual P 175 93.3399 54 1.17 31
IV.MURB.HHZ. 2023-12-08T08:20:32.96 0.3 undecidable manual S 240 39.627 130 1.16 52
IV.MML1.EHZ. 2023-12-08T08:20:31.28 0.3 undecidable manual S 177 36.4413 133 0.11 74
IV.CRE.HHZ. 2023-12-08T08:20:31.76 0.6 undecidable manual P 284 82.6506 54 1.29 30
IV.PIEI.HHZ. 2023-12-08T08:20:31.02 0.3 undecidable manual S 287 34.9428 134 0.14 73
IV.CAFI.HHZ. 2023-12-08T08:20:30.78 1.0 undecidable manual P 261 80.2641 54 0.6 20
IV.ATFO.HHZ. 2023-12-08T08:20:30.56 0.3 undecidable manual S 255 31.6461 137 0.31 72
IV.NARO.HHZ. 2023-12-08T08:20:30.99 0.3 undecidable manual S 302 35.1426 134 0.08 74
IV.CING.HHZ. 2023-12-08T08:20:29.01 0.3 undecidable manual S 110 21.1677 149 0.45 69
IV.MPAG.EHZ. 2023-12-08T08:20:29.49 0.3 undecidable manual S 324 25.752 143 0.23 72
IV.EL6.EHE. 2023-12-08T08:20:28.51 0.3 undecidable manual S 136 17.4714 153 0.42 71
IV.MMO1.EHZ. 2023-12-08T08:20:28.91 0.6 undecidable manual P 153 67.4769 54 0.33 45
IV.FRON.EHZ. 2023-12-08T08:20:28.44 0.3 undecidable manual S 295 19.869 150 0.05 76
IV.FOSV.EHZ. 2023-12-08T08:20:28.79 0.3 undecidable manual S 223 22.2555 147 0.06 76
IV.SNTG.HHZ. 2023-12-08T08:20:28.57 0.3 undecidable manual S 182 20.7681 149 0.06 76
IV.ARVD.HHZ. 2023-12-08T08:20:27.12 0.6 undecidable manual S 354 6.2937 170 -0.02 53
IV.SSFR.HHZ. 2023-12-08T08:20:27.98 0.3 undecidable manual S 267 13.4754 159 0.32 73
IV.GUMA.HHZ. 2023-12-08T08:20:27.00 0.6 positive manual P 143 52.3032 54 0.3 46
IV.CESI.HHZ. 2023-12-08T08:20:25.80 0.3 positive manual P 184 48.618 124 -0.43 67
IV.SENI.EHE. 2023-12-08T08:20:25.10 0.6 undecidable manual P 38 37.0296 132 0.28 47
IV.ATVO.HHZ. 2023-12-08T08:20:25.26 0.6 positive manual P 262 44.3223 127 -0.42 45
IV.ASSB.HHZ. 2023-12-08T08:20:25.96 0.1 positive manual P 208 50.1165 123 -0.46 88
IV.ATPI.EHZ. 2023-12-08T08:20:25.53 0.6 undecidable manual P 271 44.1225 127 -0.13 48
IV.CSP1.EHZ. 2023-12-08T08:20:25.44 1.0 undecidable manual P 152 43.9227 127 -0.2 24
IV.FDMO.HHZ. 2023-12-08T08:20:25.47 1.0 negative manual P 166 46.3203 126 -0.47 22
IV.MURB.HHZ. 2023-12-08T08:20:24.74 0.1 undecidable manual P 240 39.627 130 -0.38 92
IV.NARO.HHZ. 2023-12-08T08:20:24.31 0.1 undecidable manual P 302 35.1426 134 -0.29 95
IV.PIEI.HHZ. 2023-12-08T08:20:24.02 0.1 undecidable manual P 287 34.9428 134 -0.57 88
IV.MML1.EHZ. 2023-12-08T08:20:24.41 0.6 negative manual P 177 36.4413 133 -0.35 46
IV.CRTC.HHZ. 2023-12-08T08:20:24.94 0.1 undecidable manual P 352 36.6411 133 0.17 96
IV.ATCC.EHZ. 2023-12-08T08:20:24.56 0.3 positive manual P 221 37.9287 132 -0.36 69
IV.ATFO.HHZ. 2023-12-08T08:20:23.76 0.1 undecidable manual P 255 31.6461 137 -0.47 91
IV.CING.HHZ. 2023-12-08T08:20:23.07 0.1 negative manual P 110 21.1677 149 -0.18 100
IV.COR1.EHE. 2023-12-08T08:20:23.48 0.1 undecidable manual P 11 21.4674 148 0.2 98
IV.MPAG.EHZ. 2023-12-08T08:20:23.33 0.3 negative manual P 324 25.752 143 -0.32 72
IV.FRON.EHZ. 2023-12-08T08:20:22.76 0.1 undecidable manual P 295 19.869 150 -0.39 95
IV.FOSV.EHZ. 2023-12-08T08:20:22.87 0.1 positive manual P 223 22.2555 147 -0.48 93
IV.SNTG.HHZ. 2023-12-08T08:20:22.85 0.1 undecidable manual P 182 20.7681 149 -0.37 95
IV.ARVD.HHZ. 2023-12-08T08:20:22.04 0.1 negative manual P 354 6.2937 170 -0.39 98
IV.SSFR.HHZ. 2023-12-08T08:20:22.29 0.1 negative manual P 267 13.4754 159 -0.44 95
IV.EL6.EHE. 2023-12-08T08:20:22.72 0.1 undecidable manual P 136 17.4714 153 -0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.6 0.00015899999999999996 1.18 AML other m 2023-12-08T08:20:27.18
IV.ARVD.HHN. ML:1.4 0.0000984 1.4 AML other m 2023-12-08T08:20:28.70
IV.SSFR.HNN. ML:2.4 0.000962 0.18 AML other m 2023-12-08T08:20:28.26
IV.SSFR.HNE. ML:2.3 0.0007415000000000001 0.16 AML other m 2023-12-08T08:20:28.32
IV.SNTG.HHE. ML:1.9 0.00026250000000000004 0.22 AML other m 2023-12-08T08:20:28.83
IV.SNTG.HNE. ML:2.0 0.00033299999999999996 0.2 AML other m 2023-12-08T08:20:28.83
IV.SNTG.HHN. ML:2.1 0.0004195 0.18 AML other m 2023-12-08T08:20:28.74
IV.FOSV.HNE. ML:1.9 0.0002515 1.7 AML other m 2023-12-08T08:20:28.04
IV.SNTG.HNN. ML:2.1 0.000377 1.64 AML other m 2023-12-08T08:20:29.83
IV.CING.HHN. ML:1.6 0.00013265 0.28 AML other m 2023-12-08T08:20:29.08
IV.FOSV.EHE. ML:1.9 0.00024249999999999999 0.4 AML other m 2023-12-08T08:20:29.04
IV.FOSV.HNN. ML:1.8 0.000202 0.46 AML other m 2023-12-08T08:20:29.55
IV.FOSV.EHN. ML:1.7 0.00016 0.52 AML other m 2023-12-08T08:20:29.07
IV.MPAG.EHE. ML:1.9 0.000254 0.42 AML other m 2023-12-08T08:20:29.89
IV.CING.HHE. ML:1.6 0.00013900000000000002 1.18 AML other m 2023-12-08T08:20:29.22
IV.MPAG.EHN. ML:1.6 0.000128 0.38 AML other m 2023-12-08T08:20:29.99
IV.ATFO.HHE. ML:2.2 0.00041600000000000003 0.26 AML other m 2023-12-08T08:20:30.86
IV.ATFO.HHN. ML:2.0 0.0002845 1.24 AML other m 2023-12-08T08:20:31.69
IV.MML1.EHE. ML:1.6 0.00009334999999999999 0.58 AML other m 2023-12-08T08:20:31.25
IV.PIEI.HHN. ML:1.6 0.0001139 1.3 AML other m 2023-12-08T08:20:32.10
IV.ATCC.EHE. ML:1.7 0.00013350000000000002 1.32 AML other m 2023-12-08T08:20:32.19
IV.PIEI.HHE. ML:1.8 0.000182 0.7 AML other m 2023-12-08T08:20:32.60
IV.ATCC.EHN. ML:1.6 0.00010735000000000001 0.48 AML other m 2023-12-08T08:20:32.70
IV.MML1.EHN. ML:1.5 0.00008535 0.54 AML other m 2023-12-08T08:20:33.01
IV.CSP1.EHN. ML:2.2 0.00034250000000000003 0.46 AML other m 2023-12-08T08:20:33.77
IV.CSP1.EHE. ML:2.1 0.0002475 1.38 AML other m 2023-12-08T08:20:34.12
IV.MURB.HHN. ML:2.1 0.0003135 0.24 AML other m 2023-12-08T08:20:34.24
IV.MURB.HNN. ML:2.1 0.0003125 0.26 AML other m 2023-12-08T08:20:34.11
IV.CESI.HHE. ML:2.0 0.0001905 0.32 AML other m 2023-12-08T08:20:34.43
IV.FDMO.HHN. ML:1.4 0.000047799999999999996 0.78 AML other m 2023-12-08T08:20:34.24
IV.CESI.HHN. ML:1.6 0.00007255 0.28 AML other m 2023-12-08T08:20:34.75
IV.MURB.HHE. ML:2.0 0.000262 0.3 AML other m 2023-12-08T08:20:35.45
IV.ASSB.HHE. ML:1.6 0.00008219999999999999 0.72 AML other m 2023-12-08T08:20:36.39
IV.FDMO.HHE. ML:1.4 0.0000537 1.3 AML other m 2023-12-08T08:20:36.12
IV.ASSB.HHN. ML:1.6 0.00006775000000000001 0.22 AML other m 2023-12-08T08:20:36.20
IV.MURB.HNE. ML:2.0 0.000249 0.26 AML other m 2023-12-08T08:20:36.73
IV.GUMA.HHE. ML:2.0 0.00019999999999999998 0.88 AML other m 2023-12-08T08:20:36.97
IV.ATPI.EHN. ML:1.5 0.00006715 0.56 AML other m 2023-12-08T08:20:38.27
IV.GUMA.HHN. ML:1.9 0.0001435 0.64 AML other m 2023-12-08T08:20:38.49
IV.MMO1.EHN. ML:1.9 0.0001095 0.32 AML other m 2023-12-08T08:20:39.90
IV.MMO1.EHE. ML:1.9 0.00010539999999999999 1.48 AML other m 2023-12-08T08:20:39.18
IV.ATPI.EHE. ML:1.4 0.00005925 0.36 AML other m 2023-12-08T08:20:40.21
IV.LNSS.HHN. ML:1.8 0.000059449999999999995 0.48 AML other m 2023-12-08T08:20:47.66
IV.LNSS.HHE. ML:1.8 0.00006409999999999999 0.66 AML other m 2023-12-08T08:20:48.34
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