Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-12-2023 and time 08:45:53 (Italy) in region 4 km SW Acquacanina (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Acquacanina (MC), on

  • 20-12-2023 07:45:53 (UTC)
  • 20-12-2023 08:45:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0010, 13.1480 at 11 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
Acquacanina MC 4 121 121
Fiastra MC 4 559 680
Fiordimonte MC 6 202 882
Ussita MC 6 444 1326
Bolognola MC 7 142 1468
Pievebovigliana MC 9 866 2334
Visso MC 9 1107 3441
Pieve Torina MC 9 1458 4899
Castelsantangelo sul Nera MC 12 281 5180
Monte Cavallo MC 12 145 5325
Muccia MC 12 915 6240
Sarnano MC 13 3264 9504
Cessapalombo MC 15 512 10016
Preci PG 16 724 10740
Camerino MC 16 6974 17714
Caldarola MC 17 1823 19537
Amandola FM 17 3629 23166
Montefortino FM 17 1178 24344
Gualdo MC 17 815 25159
Camporotondo di Fiastrone MC 18 563 25722
Serravalle di Chienti MC 18 1070 26792
San Ginesio MC 18 3498 30290
Montemonaco AP 18 604 30894
Belforte del Chienti MC 20 1886 32780
Serrapetrona MC 20 966 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
94 Km S of Fano (60888 inhabitants)
98 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 2023-12-20
07:45:53		 43.001 13.1478 11 2023-12-20
07:50:54		 Sala Sismica INGV-Roma 124155501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-20 07:45:53 ± 0.04
Latitude 43.0010 ± 0.0027
Longitude 13.1478 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124155501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41369
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 82
Type of magnitude ML
Reference to an origin 124155501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-20 07:50:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2023-12-20T07:46:38.76 3.0 undecidable manual Sn -0.15 0
IV.FRON.EHZ. 2023-12-20T07:46:15.46 3.0 undecidable manual S 0.33 0
IV.CESX.HHZ. 2023-12-20T07:46:14.51 3.0 undecidable manual S 0.33 0
IV.ARVD.HHZ. 2023-12-20T07:46:12.51 3.0 undecidable manual S 0.09 0
IV.SSFR.HHZ. 2023-12-20T07:46:12.01 3.0 undecidable manual S -0.18 0
IV.MOMA.HHZ. 2023-12-20T07:46:11.25 3.0 undecidable manual S 0.34 0
IV.T0110.HHZ. 2023-12-20T07:46:10.75 3.0 positive manual P 0.22 0
IV.ATCC.EHZ. 2023-12-20T07:46:09.01 0.6 undecidable manual S 297 45.9207 50 0.5 44
IV.VCEL.EHZ. 2023-12-20T07:46:08.85 3.0 negative manual P -0.08 0
IV.ATPI.EHZ. 2023-12-20T07:46:07.31 3.0 positive manual P -0.11 0
IV.ASSB.HHZ. 2023-12-20T07:46:07.01 0.6 undecidable manual S 277 39.9267 50 0.1 48
IV.SMA1.EHZ. 2023-12-20T07:46:07.88 0.6 undecidable manual S 160 43.8228 50 -0.07 46
IV.GAVE.EHZ. 2023-12-20T07:46:07.70 0.6 undecidable manual S 211 40.0266 50 0.78 40
IV.NARO.HHZ. 2023-12-20T07:46:07.72 3.0 negative manual P -0.24 0
IV.ATVO.HHZ. 2023-12-20T07:46:06.45 3.0 positive manual P -0.17 0
IV.MTRA.EHZ. 2023-12-20T07:46:05.09 0.3 undecidable manual S 143 33.8439 50 -0.18 69
IV.FRON.EHZ. 2023-12-20T07:46:05.38 3.0 positive manual P -0.09 0
IV.GIGS.HHZ. 2023-12-20T07:46:05.59 3.0 undecidable manual P -0.38 0
IV.SNTG.HHZ. 2023-12-20T07:46:04.84 0.6 undecidable manual S 329 32.745 50 -0.16 46
IV.ATFO.HHZ. 2023-12-20T07:46:04.70 3.0 positive manual P 0 0
IV.MURB.HHZ. 2023-12-20T07:46:04.17 3.0 positive manual P 0.04 0
IV.MF5.EHZ. 2023-12-20T07:46:03.57 0.6 undecidable manual S 93 25.3524 50 0.56 44
IV.ARVD.HHZ. 2023-12-20T07:46:03.27 3.0 negative manual P -0.68 0
IV.SSFR.HHZ. 2023-12-20T07:46:03.89 3.0 negative manual P 0.07 0
IV.RM33.EHZ. 2023-12-20T07:46:03.41 3.0 positive manual P -0.1 0
IV.TERO.HHZ. 2023-12-20T07:46:03.55 3.0 undecidable manual P -0.12 0
IV.MOMA.HHZ. 2023-12-20T07:46:03.18 3.0 undecidable manual P 0.08 0
IV.CAMP.HHZ. 2023-12-20T07:46:03.52 3.0 positive manual P -0.13 0
IV.ATCC.EHZ. 2023-12-20T07:46:02.19 0.6 positive manual P 297 45.9207 50 -0.08 46
IV.SAP2.EHZ. 2023-12-20T07:46:02.77 0.6 undecidable manual S 62 22.9548 50 0.39 46
IV.MML1.EHZ. 2023-12-20T07:46:01.08 0.6 undecidable manual S 311 18.9699 50 -0.23 47
IV.SMA1.EHZ. 2023-12-20T07:46:01.70 0.1 undecidable manual P 160 43.8228 50 -0.25 89
IV.GAVE.EHZ. 2023-12-20T07:46:01.18 0.1 positive manual P 211 40.0266 50 -0.17 91
IV.CESI.HHZ. 2023-12-20T07:46:01.64 0.6 undecidable manual S 271 19.7691 50 0.12 49
IV.LNSS.HHZ. 2023-12-20T07:46:01.81 3.0 positive manual P -0.13 0
IV.CING.HHZ. 2023-12-20T07:46:01.23 3.0 undecidable manual P -0.11 0
IV.MDAR.HNZ. 2023-12-20T07:46:01.47 0.6 undecidable manual S 359 21.2676 50 -0.45 44
IV.NRCA.HHZ. 2023-12-20T07:46:01.07 0.6 undecidable manual S 188 18.7701 50 -0.19 48
IV.ASSB.HHZ. 2023-12-20T07:46:01.15 0.1 positive manual P 277 39.9267 50 -0.19 90
IV.FOSV.EHZ. 2023-12-20T07:46:01.99 3.0 positive manual P 0.02 0
IV.GUMA.HHZ. 2023-12-20T07:46:00.87 0.3 undecidable manual S 66 16.6722 123 0.21 71
IV.MMO1.EHZ. 2023-12-20T07:46:00.85 0.6 undecidable manual S 128 18.3705 50 -0.31 47
IV.MTRA.EHZ. 2023-12-20T07:46:00.10 1.0 undecidable manual P 143 33.8439 50 -0.3 23
IV.MF5.EHZ. 2023-12-20T07:45:59.30 0.1 undecidable manual P 93 25.3524 50 0.2 95
IV.SNTG.HHZ. 2023-12-20T07:45:59.98 0.1 positive manual P 329 32.745 50 -0.26 90
IV.FEMA.HNZ. 2023-12-20T07:45:59.11 0.6 undecidable manual S 242 9.0798 140 0.45 46
IT.MTCL.HGZ. 2023-12-20T07:45:59.53 0.6 undecidable manual S 266 12.0768 132 0.14 49
IV.FDMO.HHZ. 2023-12-20T07:45:58.23 0.6 undecidable manual S 309 6.2937 150 0.12 49
IV.SAP2.EHZ. 2023-12-20T07:45:58.82 0.1 positive manual P 62 22.9548 50 0.09 98
IV.CSP1.EHZ. 2023-12-20T07:45:58.96 0.6 undecidable manual S 25 11.0778 135 -0.18 49
IV.CESI.HHZ. 2023-12-20T07:45:58.13 1.0 negative manual P 271 19.7691 50 -0.1 24
IV.MDAR.HNZ. 2023-12-20T07:45:58.50 0.6 undecidable manual P 359 21.2676 50 0.03 49
IT.MTCL.HGZ. 2023-12-20T07:45:57.10 0.3 positive manual P 266 12.0768 132 0.09 74
IV.NRCA.HHZ. 2023-12-20T07:45:57.91 1.0 undecidable manual P 188 18.7701 50 -0.17 24
IV.MML1.EHZ. 2023-12-20T07:45:57.96 0.1 negative manual P 311 18.9699 50 -0.15 95
IV.GUMA.HHZ. 2023-12-20T07:45:57.79 0.1 positive manual P 66 16.6722 123 0.05 98
IV.MMO1.EHZ. 2023-12-20T07:45:57.83 0.1 positive manual P 128 18.3705 50 -0.2 96
IV.FDMO.HHZ. 2023-12-20T07:45:56.36 0.1 undecidable manual P 309 6.2937 150 0.09 100
IV.CSP1.EHZ. 2023-12-20T07:45:56.88 0.1 undecidable manual P 25 11.0778 135 0.02 100
IV.FEMA.HNZ. 2023-12-20T07:45:56.91 0.6 positive manual P 242 9.0798 140 0.32 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.2 0.0024 0.18 AML other m 2023-12-20T07:45:58.48
IV.FDMO.HHN. ML:2.0 0.001625 1.22 AML other m 2023-12-20T07:45:58.24
IV.CSP1.EHE. ML:2.6 0.004885 0.12 AML other m 2023-12-20T07:45:59.19
IV.CSP1.EHN. ML:2.6 0.0048000000000000004 0.66 AML other m 2023-12-20T07:45:59.70
IV.FEMA.HNN. ML:2.3 0.0023250000000000002 0.76 AML other m 2023-12-20T07:45:59.19
IT.MTCL.HGN. ML:4.1 0.1485 0.16 AML other m 2023-12-20T07:45:59.97
IT.MTCL.HGE. ML:4.1 0.126 0.16 AML other m 2023-12-20T07:46:00.06
IV.FEMA.HNE. ML:2.4 0.003355 1.48 AML other m 2023-12-20T07:46:00.22
IV.GUMA.HHE. ML:2.3 0.0018599999999999999 1.72 AML other m 2023-12-20T07:46:00.13
IV.GUMA.HNN. ML:2.3 0.001835 1.14 AML other m 2023-12-20T07:46:01.81
IV.GUMA.HHN. ML:2.3 0.001845 1.14 AML other m 2023-12-20T07:46:01.82
IV.GUMA.HNE. ML:2.2 0.0015049999999999998 0.42 AML other m 2023-12-20T07:46:01.11
IV.NRCA.HHN. ML:2.3 0.00152 0.4 AML other m 2023-12-20T07:46:01.14
IV.NRCA.HNN. ML:2.3 0.0014 0.42 AML other m 2023-12-20T07:46:01.13
IV.MMO1.EHE. ML:1.9 0.000627 0.3 AML other m 2023-12-20T07:46:01.36
IV.MML1.HNN. ML:2.2 0.001175 0.28 AML other m 2023-12-20T07:46:01.22
IV.MML1.EHN. ML:2.2 0.001185 0.28 AML other m 2023-12-20T07:46:01.23
IV.NRCA.HHE. ML:2.3 0.001635 0.2 AML other m 2023-12-20T07:46:01.27
IV.NRCA.HNE. ML:2.3 0.00152 0.2 AML other m 2023-12-20T07:46:01.27
IV.MML1.HNE. ML:2.2 0.0012050000000000001 0.16 AML other m 2023-12-20T07:46:01.36
IV.MML1.EHE. ML:2.2 0.0012349999999999998 0.14 AML other m 2023-12-20T07:46:01.37
IV.MMO1.EHN. ML:1.8 0.000597 0.72 AML other m 2023-12-20T07:46:01.87
IV.CESI.HHE. ML:2.0 0.0008045 0.34 AML other m 2023-12-20T07:46:01.94
IV.CESI.HHN. ML:2.3 0.001445 0.34 AML other m 2023-12-20T07:46:01.96
IV.SAP2.EHN. ML:3.1 0.008600000000000002 1.44 AML other m 2023-12-20T07:46:02.17
IV.SAP2.EHE. ML:2.4 0.0015400000000000001 0.54 AML other m 2023-12-20T07:46:03.31
IV.SNTG.HHE. ML:1.6 0.0001865 0.52 AML other m 2023-12-20T07:46:05.31
IV.MTRA.EHE. ML:2.3 0.0007725 1.06 AML other m 2023-12-20T07:46:05.95
IV.MTRA.HNE. ML:2.3 0.000751 1.06 AML other m 2023-12-20T07:46:05.95
IV.MTRA.HNN. ML:2.4 0.0009744999999999999 0.56 AML other m 2023-12-20T07:46:06.31
IV.MTRA.EHN. ML:2.4 0.0009885 0.54 AML other m 2023-12-20T07:46:06.31
IV.SNTG.HHN. ML:1.6 0.000161 0.5 AML other m 2023-12-20T07:46:06.60
IV.ASSB.HHE. ML:1.9 0.0002825 0.3 AML other m 2023-12-20T07:46:07.27
IV.ASSB.HHN. ML:1.8 0.000242 0.52 AML other m 2023-12-20T07:46:07.11
IV.CING.HHN. ML:1.7 0.00017199999999999998 0.12 AML other m 2023-12-20T07:46:08.14
IV.CING.HHE. ML:1.8 0.000185 1.52 AML other m 2023-12-20T07:46:08.03
IV.FOSV.EHN. ML:2.0 0.0002785 0.28 AML other m 2023-12-20T07:46:08.83
IV.FOSV.HNN. ML:2.0 0.00028349999999999995 0.24 AML other m 2023-12-20T07:46:08.83
IV.FOSV.EHE. ML:1.8 0.00020750000000000003 1.56 AML other m 2023-12-20T07:46:08.90
IV.GAVE.EHN. ML:2.1 0.00042300000000000004 1.72 AML other m 2023-12-20T07:46:09.92
IV.SMA1.EHE. ML:2.0 0.0003135 0.42 AML other m 2023-12-20T07:46:09.12
IV.FOSV.HNE. ML:1.8 0.00020899999999999998 0.54 AML other m 2023-12-20T07:46:09.72
IV.ATCC.EHN. ML:1.8 0.0001965 0.34 AML other m 2023-12-20T07:46:09.74
IV.ATCC.EHE. ML:2.0 0.000263 0.96 AML other m 2023-12-20T07:46:09.38
IV.LNSS.HHE. ML:2.0 0.00027800000000000004 1.6 AML other m 2023-12-20T07:46:09.92
IV.SMA1.EHN. ML:2.0 0.000324 0.86 AML other m 2023-12-20T07:46:10.56
IV.GAVE.EHE. ML:2.1 0.00039200000000000004 0.54 AML other m 2023-12-20T07:46:10.73
IV.LNSS.HHN. ML:1.9 0.00024249999999999999 0.8 AML other m 2023-12-20T07:46:10.85
IV.CAMP.HHE. ML:1.8 0.0001575 0.9 AML other m 2023-12-20T07:46:11.81
IV.MOMA.HHE. ML:1.9 0.0002145 0.24 AML other m 2023-12-20T07:46:11.54
IV.MOMA.HHN. ML:1.8 0.000143 0.38 AML other m 2023-12-20T07:46:11.55
IV.CAMP.HHN. ML:1.8 0.0001545 1.24 AML other m 2023-12-20T07:46:11.05
IV.RM33.EHN. ML:1.9 0.000177 0.28 AML other m 2023-12-20T07:46:12.23
IV.SSFR.HNE. ML:2.4 0.0005729999999999999 0.26 AML other m 2023-12-20T07:46:12.24
IV.TERO.HHN. ML:2.1 0.000265 1.46 AML other m 2023-12-20T07:46:12.22
IV.SSFR.HNN. ML:2.4 0.0005214999999999999 0.24 AML other m 2023-12-20T07:46:12.55
IV.RM33.EHE. ML:1.9 0.00020050000000000002 1 AML other m 2023-12-20T07:46:12.21
IV.TERO.HHE. ML:2.1 0.00027400000000000005 0.14 AML other m 2023-12-20T07:46:12.76
IV.ARVD.HHE. ML:1.6 0.0000896 1.52 AML other m 2023-12-20T07:46:12.78
IV.ARVD.HHN. ML:1.4 0.000055849999999999996 1 AML other m 2023-12-20T07:46:13.48
IV.ATFO.HHN. ML:1.4 0.000050950000000000005 0.18 AML other m 2023-12-20T07:46:14.39
IV.MURB.HHN. ML:1.8 0.00015099999999999998 0.66 AML other m 2023-12-20T07:46:14.94
IV.CESX.HHN. ML:1.7 0.00009815 1.04 AML other m 2023-12-20T07:46:16.02
IV.GIGS.HHN. ML:1.8 0.00011305000000000001 0.18 AML other m 2023-12-20T07:46:16.10
IV.GIGS.HHE. ML:1.8 0.00009944999999999999 0.12 AML other m 2023-12-20T07:46:16.20
IV.ATFO.HHE. ML:1.4 0.000055150000000000006 0.44 AML other m 2023-12-20T07:46:16.19
IV.MURB.HHE. ML:2.0 0.0002035 0.2 AML other m 2023-12-20T07:46:16.43
IV.FRON.EHE. ML:1.5 0.00005424999999999999 1.74 AML other m 2023-12-20T07:46:16.93
IV.ATVO.HHN. ML:1.3 0.00003165 0.26 AML other m 2023-12-20T07:46:17.53
IV.FRON.EHN. ML:1.6 0.00007335 0.52 AML other m 2023-12-20T07:46:17.45
IV.CESX.HHE. ML:1.6 0.00008595 0.28 AML other m 2023-12-20T07:46:20.66
IV.ATVO.HHE. ML:1.3 0.00003135 0.74 AML other m 2023-12-20T07:46:21.41
IV.NARO.HHN. ML:1.4 0.000030350000000000002 0.88 AML other m 2023-12-20T07:46:21.07
IV.NARO.HHE. ML:1.4 0.0000308 0.84 AML other m 2023-12-20T07:46:21.10
IV.ATPI.EHE. ML:1.4 0.00003255 0.44 AML other m 2023-12-20T07:46:23.02
IV.ATPI.EHN. ML:1.3 0.00002895 1.4 AML other m 2023-12-20T07:46:23.94
IV.VCEL.EHE. ML:2.1 0.0001465 0.6 AML other m 2023-12-20T07:46:23.73
IV.T0110.HHE. ML:2.1 0.0001175 0.3 AML other m 2023-12-20T07:46:27.19
IV.VCEL.EHN. ML:2.0 0.0001315 0.42 AML other m 2023-12-20T07:46:27.06
IV.T0110.HHN. ML:2.0 0.00010485 1.52 AML other m 2023-12-20T07:46:28.23
IV.LMD.HHN. ML:2.2 0.0000586 0.1 AML other m 2023-12-20T07:46:40.50
IV.LMD.HHE. ML:1.8 0.00002755 0.26 AML other m 2023-12-20T07:46:40.49
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