Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-12-2020 and time 02:16:06 (Italy) in region 2 km NE Fossombrone (PU)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Fossombrone (PU), on

  • 23-12-2020 01:16:06 (UTC)
  • 23-12-2020 02:16:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7020, 12.8320 at 10 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
Fossombrone PU 2 9575 9575
Sant'Ippolito PU 4 1563 11138
Montefelcino PU 4 2671 13809
Isola del Piano PU 6 594 14403
Serrungarina PU 6 2634 17037
Saltara PU 8 6925 23962
Cartoceto PU 8 7887 31849
Barchi PU 9 967 32816
Fratte Rosa PU 10 966 33782
Montemaggiore al Metauro PU 10 2893 36675
Orciano di Pesaro PU 11 2028 38703
Mombaroccio PU 11 2152 40855
Mondavio PU 12 3810 44665
Piagge PU 12 1022 45687
Petriano PU 12 2829 48516
San Giorgio di Pesaro PU 12 1388 49904
Monteciccardo PU 13 1690 51594
Vallefoglia PU 14 15018 66612
San Lorenzo in Campo PU 14 3414 70026
Fermignano PU 15 8596 78622
Pergola PU 15 6333 84955
Castelleone di Suasa AN 16 1676 86631
Urbino PU 16 15019 101650
Acqualagna PU 16 4393 106043
Montelabbate PU 17 6938 112981
Monte Porzio PU 17 2836 115817
Corinaldo AN 18 4998 120815

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Fano (60888 inhabitants)
24 Km S of Pesaro (94582 inhabitants)
45 Km SE of Rimini (147750 inhabitants)
56 Km W of Ancona (100861 inhabitants)
68 Km SE of Cesena (96758 inhabitants)
75 Km NE of Perugia (166134 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
84 Km N of Foligno (57155 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
94 Km SE of Ravenna (159116 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 1.5 2020-12-23
01:16:06		 43.7022 12.8318 10 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86205311
Reviewed
Rev100 		ML 1.5 2020-12-23
01:16:06		 43.7075 12.8368 10 2020-12-23
01:27:21		 Sala Sismica INGV-Roma 85640391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-23 01:16:06 ± 0.08
Latitude 43.7022 ± 0.0045
Longitude 12.8318 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86205311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.69068
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 51
Type of magnitude ML
Reference to an origin 86205311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-27 17:49:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 85640391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-23 01:27:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-12-23T01:16:29.53 0.6 undecidable manual S 191 74.4699 50 0.54 40
IV.MURB.HHZ. 2020-12-23T01:16:24.73 0.6 undecidable manual S 207 54.6009 50 1.04 33
IV.BADI.EHZ. 2020-12-23T01:16:23.70 0.6 undecidable manual S 246 51.8037 50 0.77 38
IV.ATVO.HHZ. 2020-12-23T01:16:22.81 0.6 undecidable manual S 224 49.3173 50 0.55 42
IV.CING.HNZ. 2020-12-23T01:16:22.72 0.6 undecidable manual S 141 46.5201 50 1.19 31
IV.PARC.HHZ. 2020-12-23T01:16:22.53 0.6 undecidable manual S 263 48.0186 50 0.62 40
IV.EL6.EHZ. 2020-12-23T01:16:22.22 0.6 undecidable manual S 152 46.7199 50 0.64 40
IV.ATPI.EHZ. 2020-12-23T01:16:21.64 0.6 undecidable manual S 231 44.4222 50 0.69 40
IV.FOSV.EHZ. 2020-12-23T01:16:21.26 0.6 undecidable manual S 187 45.5211 50 0 47
IV.ATFO.HHZ. 2020-12-23T01:16:20.87 0.6 undecidable manual S 209 42.7239 50 0.36 44
IV.ATPC.HHE. 2020-12-23T01:16:20.16 0.6 undecidable manual S 231 38.8278 50 0.68 40
IV.CSP1.EHZ. 2020-12-23T01:16:19.45 0.3 undecidable manual P 156 74.0703 50 0.07 66
IV.FDMO.HHZ. 2020-12-23T01:16:19.84 0.3 undecidable manual P 164 76.6677 50 0.06 66
IV.APEC.HHZ. 2020-12-23T01:16:19.24 0.6 undecidable manual S 244 36.741 50 0.33 45
IV.ASSB.HHZ. 2020-12-23T01:16:19.11 0.3 undecidable manual P 191 74.4699 50 -0.33 63
IV.SENI.HNN. 2020-12-23T01:16:18.68 0.6 undecidable manual S 89 32.1456 50 0.99 36
IV.ATBU.EHZ. 2020-12-23T01:16:18.89 0.6 undecidable manual S 222 33.9438 50 0.73 40
IV.ATSC.EHE. 2020-12-23T01:16:17.58 0.6 undecidable manual S 201 33.0447 50 -0.34 45
IV.PE3.EHZ. 2020-12-23T01:16:17.03 0.6 undecidable manual S 269 26.9508 50 0.74 40
IV.PIEI.HHZ. 2020-12-23T01:16:16.99 0.6 undecidable manual S 232 30.1476 50 -0.17 47
IV.MURB.HHZ. 2020-12-23T01:16:16.46 0.3 undecidable manual P 207 54.6009 50 0.08 69
IV.PESA.HHZ. 2020-12-23T01:16:16.00 0.3 undecidable manual S 1 26.4513 50 -0.18 71
IV.SSFR.HHZ. 2020-12-23T01:16:16.72 0.6 undecidable manual S 188 29.748 50 -0.33 45
IV.NARO.HHN. 2020-12-23T01:16:15.01 0.6 undecidable manual S 243 22.5552 114 0.05 49
IV.PARC.HHZ. 2020-12-23T01:16:15.14 0.1 negative manual P 263 48.0186 50 -0.22 90
IV.BADI.EHZ. 2020-12-23T01:16:15.80 0.3 undecidable manual P 246 51.8037 50 -0.15 68
IV.CING.HNZ. 2020-12-23T01:16:15.05 0.1 undecidable manual P 141 46.5201 50 -0.09 93
IV.ATVO.HHZ. 2020-12-23T01:16:15.28 0.1 negative manual P 224 49.3173 50 -0.28 89
IV.ATFO.HHZ. 2020-12-23T01:16:14.22 0.1 negative manual P 209 42.7239 50 -0.32 89
IV.FOSV.EHZ. 2020-12-23T01:16:14.57 0.3 undecidable manual P 187 45.5211 50 -0.41 65
IV.EL6.EHZ. 2020-12-23T01:16:14.77 0.3 undecidable manual P 152 46.7199 50 -0.39 65
IV.ARVD.HHZ. 2020-12-23T01:16:14.86 0.6 undecidable manual S 159 24.2535 112 -0.65 42
IV.ATPI.EHZ. 2020-12-23T01:16:14.61 0.1 negative manual P 231 44.4222 50 -0.19 91
IV.ATPC.HHE. 2020-12-23T01:16:13.81 0.1 undecidable manual P 231 38.8278 50 -0.14 93
IV.APEC.HHZ. 2020-12-23T01:16:13.44 0.1 negative manual P 244 36.741 50 -0.18 93
IV.COR1.EHZ. 2020-12-23T01:16:13.87 0.6 undecidable manual S 120 15.5733 123 1.04 36
IV.ATBU.EHZ. 2020-12-23T01:16:13.03 0.1 undecidable manual P 222 33.9438 50 -0.16 94
IV.SSFR.HHZ. 2020-12-23T01:16:12.09 0.1 positive manual P 188 29.748 50 -0.46 88
IV.SENI.HNN. 2020-12-23T01:16:12.98 0.1 undecidable manual P 89 32.1456 50 0.06 96
IV.PE3.EHZ. 2020-12-23T01:16:12.13 0.1 negative manual P 269 26.9508 50 0.02 97
IV.ATSC.EHE. 2020-12-23T01:16:12.52 0.1 undecidable manual P 201 33.0447 50 -0.53 86
IV.PIEI.HHZ. 2020-12-23T01:16:12.15 0.1 negative manual P 232 30.1476 50 -0.46 88
IV.CRTC.HHZ. 2020-12-23T01:16:11.55 0.6 undecidable manual S 29 8.3805 140 0.62 43
IV.MPAG.EHZ. 2020-12-23T01:16:11.60 0.1 undecidable manual S 216 9.9789 135 0.31 94
IV.NARO.HHN. 2020-12-23T01:16:11.07 0.1 undecidable manual P 243 22.5552 114 -0.27 93
IV.FCOR.HNE. 2020-12-23T01:16:11.18 0.6 undecidable manual S 349 7.5813 143 0.44 46
IV.PESA.HHZ. 2020-12-23T01:16:11.53 0.1 positive manual P 1 26.4513 50 -0.52 88
IV.ARVD.HHZ. 2020-12-23T01:16:10.97 0.1 positive manual P 159 24.2535 112 -0.69 82
IV.COR1.EHZ. 2020-12-23T01:16:10.30 0.1 negative manual P 120 15.5733 123 0.19 96
IV.MPAG.EHZ. 2020-12-23T01:16:09.30 0.1 negative manual P 216 9.9789 135 0.08 99
IV.CRTC.HHZ. 2020-12-23T01:16:09.17 0.1 undecidable manual P 29 8.3805 140 0.16 98
IV.FCOR.HNE. 2020-12-23T01:16:08.96 0.1 undecidable manual P 349 7.5813 143 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAG.HNE. ML:1.4 0.0003489624 0.16 AML other m 2020-12-23T01:16:11.77
IV.MPAG.EHE. ML:1.4 0.000288074255 0.16 AML other m 2020-12-23T01:16:11.78
IV.MPAG.HNN. ML:1.4 0.00031087555 0.14 AML other m 2020-12-23T01:16:11.77
IV.MPAG.EHN. ML:1.4 0.00033781694499999997 0.14 AML other m 2020-12-23T01:16:11.78
IV.CRTC.HHN. ML:1.8 0.0008780655500000001 0.24 AML other m 2020-12-23T01:16:11.88
IV.CRTC.HHE. ML:1.9 0.001101 1.62 AML other m 2020-12-23T01:16:12.97
IV.COR1.HNE. ML:2.2 0.0014890577 0.9 AML other m 2020-12-23T01:16:12.88
IV.CRTC.HNN. ML:2.6 0.0059684065000000005 0.6496 AML other m 2020-12-23T01:16:14.08
IV.COR1.EHE. ML:1.4 0.0002485 1.58 AML other m 2020-12-23T01:16:14.18
IV.COR1.HNN. ML:2.7 0.004995598500000001 1.8104 AML other m 2020-12-23T01:16:15.09
IV.COR1.EHN. ML:1.7 0.000452 0.16 AML other m 2020-12-23T01:16:14.12
IV.ARVD.HHE. ML:0.9 0.000047850000000000004 1.36 AML other m 2020-12-23T01:16:15.77
IV.ARVD.HHN. ML:0.9 0.00005141390499999999 0.1 AML other m 2020-12-23T01:16:16.42
IV.PESA.HHE. ML:2.2 0.0009915 0.26 AML other m 2020-12-23T01:16:16.64
IV.PESA.HHN. ML:2.2 0.0009025000000000001 0.08 AML other m 2020-12-23T01:16:16.89
IV.PE3.EHE. ML:2.0 0.0005025 0.34 AML other m 2020-12-23T01:16:17.37
IV.PE3.EHN. ML:2.1 0.0006625 0.3 AML other m 2020-12-23T01:16:17.41
IV.SSFR.HHE. ML:1.9 0.00039 0.62 AML other m 2020-12-23T01:16:17.67
IV.SSFR.HNE. ML:2.0 0.0004485 0.62 AML other m 2020-12-23T01:16:17.67
IV.SSFR.HHN. ML:1.7 0.0002585 0.16 AML other m 2020-12-23T01:16:17.88
IV.SSFR.HNN. ML:1.7 0.00025956849999999996 0.1496 AML other m 2020-12-23T01:16:17.81
IV.PIEI.HHE. ML:1.3 0.00010523753999999999 0.14 AML other m 2020-12-23T01:16:17.85
IV.PIEI.HHN. ML:1.3 0.00009923581 0.22 AML other m 2020-12-23T01:16:17.77
IV.APEC.HHE. ML:1.2 0.000059800000000000003 0.4 AML other m 2020-12-23T01:16:21.36
IV.FOSV.EHE. ML:1.4 0.000072143465 0.28 AML other m 2020-12-23T01:16:21.62
IV.ATPI.EHE. ML:1.1 0.00003279109 0.28 AML other m 2020-12-23T01:16:21.81
IV.ATPI.EHN. ML:1.0 0.000030595045000000004 0.2 AML other m 2020-12-23T01:16:21.93
IV.APEC.HHN. ML:1.2 0.00005726496 0.22 AML other m 2020-12-23T01:16:22.25
IV.FOSV.EHN. ML:1.2 0.00004250564 0.2 AML other m 2020-12-23T01:16:22.39
IV.ATFO.HHE. ML:1.5 0.000096377635 0.28 AML other m 2020-12-23T01:16:22.80
IV.ATFO.HHN. ML:1.4 0.000083777115 0.26 AML other m 2020-12-23T01:16:22.78
IV.PARC.HHE. ML:1.5 0.00009254734 0.22 AML other m 2020-12-23T01:16:22.81
IV.PARC.HHN. ML:1.6 0.00010109311 0.16 AML other m 2020-12-23T01:16:22.95
IV.ATVO.HHE. ML:1.2 0.0000387 0.5 AML other m 2020-12-23T01:16:23.29
IV.EL6.EHN. ML:1.2 0.000041110505 0.18 AML other m 2020-12-23T01:16:23.51
IV.ATVO.HHN. ML:1.0 0.000024449999999999998 0.48 AML other m 2020-12-23T01:16:23.81
IV.ATPI.HNE. ML:1.6 0.00013236590000000002 0.7504 AML other m 2020-12-23T01:16:23.60
IV.BADI.EHN. ML:1.2 0.000033207009999999996 0.16 AML other m 2020-12-23T01:16:24.58
IV.BADI.EHE. ML:1.4 0.00006880306999999999 0.18 AML other m 2020-12-23T01:16:24.77
IV.MURB.HNN. ML:2.1 0.0002836139 0.3296 AML other m 2020-12-23T01:16:25.14
IV.MURB.HHN. ML:2.1 0.00031105315 0.32 AML other m 2020-12-23T01:16:25.30
IV.EL6.EHE. ML:1.3 0.000059076340000000005 0.3 AML other m 2020-12-23T01:16:25.15
IV.MURB.HHE. ML:2.2 0.00033249479999999997 0.28 AML other m 2020-12-23T01:16:25.91
IV.MURB.HNE. ML:2.2 0.00033064404999999996 0.32 AML other m 2020-12-23T01:16:25.92
IV.CRTC.HNE. ML:2.8 0.0086021035 0.8904 AML other m 2020-12-23T01:16:27.50
IV.ASSB.HHE. ML:1.4 0.0000346 0.28 AML other m 2020-12-23T01:16:30.50
IV.CSP1.EHE. ML:1.8 0.000099273245 0.24 AML other m 2020-12-23T01:16:31.56
IV.FDMO.HHE. ML:1.1 0.000019299999999999998 1.34 AML other m 2020-12-23T01:16:31.94
IV.CSP1.EHN. ML:1.8 0.00009798036999999999 0.26 AML other m 2020-12-23T01:16:31.83
IV.FDMO.HHN. ML:1.0 0.000017014644999999998 0.2 AML other m 2020-12-23T01:16:32.85
IV.ASSB.HHN. ML:1.2 0.000024750000000000002 0.68 AML other m 2020-12-23T01:16:35.49
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