Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-07-2020 and time 00:49:13 (Italy) in region 4 km N Verghereto (FC)

A magnitude ML 1.7 earthquake occured in region: 4 km N Verghereto (FC), on

  • 21-07-2020 22:49:13 (UTC)
  • 22-07-2020 00:49:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8310, 12.0190 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
Verghereto FC 4 1907 1907
Bagno di Romagna FC 5 6026 7933
Casteldelci RN 12 407 8340
Sarsina FC 14 3446 11786
Santa Sofia FC 16 4136 15922
Sant'Agata Feltria RN 16 2151 18073
Chiusi della Verna AR 16 2023 20096
Pieve Santo Stefano AR 18 3183 23279
Badia Tedalda AR 19 1087 24366
Pennabilli RN 20 2869 27235

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Cesena (96758 inhabitants)
42 Km N of Arezzo (99543 inhabitants)
44 Km S of Forlì (117913 inhabitants)
51 Km SW of Rimini (147750 inhabitants)
52 Km S of Faenza (58541 inhabitants)
62 Km E of Firenze (382808 inhabitants)
63 Km SE of Imola (69797 inhabitants)
67 Km S of Ravenna (159116 inhabitants)
68 Km E of Scandicci (50609 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
74 Km E of Prato (191150 inhabitants)
79 Km NE of Siena (53903 inhabitants)
80 Km W of Fano (60888 inhabitants)
86 Km NW of Perugia (166134 inhabitants)
89 Km E of Pistoia (90315 inhabitants)
92 Km SE of Bologna (386663 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 1.7 2020-07-21
22:49:13		 43.8308 12.0188 10 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82553851
Reviewed
Rev100 		ML 1.7 2020-07-21
22:49:13		 43.8313 12.0138 10 2020-07-21
22:55:11		 Sala Sismica INGV-Roma 81226941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-21 22:49:13 ± 0.08
Latitude 43.8308 ± 0.0054
Longitude 12.0188 ± 0.0050
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82553851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 615
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.73565
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 82553851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-02 05:39:02

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 81226941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-21 22:55:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-07-21T22:49:30.13 0.3 undecidable manual S 118 51.2154 50 0.03 72
IV.BRIS.HHZ. 2020-07-21T22:49:30.02 0.3 undecidable manual S 335 48.1185 50 0.75 59
IV.APEC.HHZ. 2020-07-21T22:49:28.64 0.3 undecidable manual S 133 44.1225 50 0.43 67
IV.PE3.EHZ. 2020-07-21T22:49:28.10 0.3 undecidable manual S 111 41.0256 50 0.7 61
IV.COR1.EHZ. 2020-07-21T22:49:28.40 0.3 undecidable manual P 105 81.6516 50 0.52 61
IV.MPPT.EHZ. 2020-07-21T22:49:27.32 0.3 undecidable manual P 281 75.5688 50 0.39 63
IV.BADI.EHZ. 2020-07-21T22:49:27.34 0.3 undecidable manual S 153 39.9267 50 0.24 70
IV.RUFI.EHZ. 2020-07-21T22:49:27.63 0.3 undecidable manual S 271 40.7259 50 0.31 69
IV.SSFR.HHZ. 2020-07-21T22:49:26.50 0.6 undecidable manual P 125 75.2691 50 -0.39 42
IV.RINC.HHZ. 2020-07-21T22:49:25.63 0.3 undecidable manual S 281 33.5442 50 0.25 71
IV.LMD.HHZ. 2020-07-21T22:49:25.99 0.6 undecidable manual S 318 37.0296 50 -0.32 46
IV.FRON.EHZ. 2020-07-21T22:49:25.12 0.3 undecidable manual P 121 66.4779 50 -0.41 64
IV.ATVO.HHZ. 2020-07-21T22:49:24.36 0.3 undecidable manual P 148 58.6968 50 0.03 71
IV.MPAG.EHZ. 2020-07-21T22:49:24.64 0.3 undecidable manual P 110 63.3921 50 -0.42 64
IV.SEI.HHZ. 2020-07-21T22:49:24.17 0.3 undecidable manual P 295 58.2972 50 -0.09 70
IV.ATMI.HHZ. 2020-07-21T22:49:24.40 0.3 undecidable manual P 160 58.5969 50 0.08 70
IV.SSP9.EHZ. 2020-07-21T22:49:24.40 0.3 undecidable manual S 162 29.8479 50 -0.02 74
IV.CRE.HHZ. 2020-07-21T22:49:23.32 0.6 undecidable manual S 193 24.1536 112 0.57 44
IV.PARC.HHZ. 2020-07-21T22:49:23.48 0.3 undecidable manual S 139 26.8509 50 -0.11 73
IV.FAEN.HNZ. 2020-07-21T22:49:23.69 0.6 undecidable manual P 348 52.1034 50 0.37 44
IV.CPGN.EHZ. 2020-07-21T22:49:23.46 0.6 undecidable manual S 98 24.3534 112 0.63 43
IV.RONT.HHZ. 2020-07-21T22:49:23.05 0.6 undecidable manual P 291 50.2164 50 0.03 48
IV.PIEI.HHZ. 2020-07-21T22:49:22.72 0.3 undecidable manual P 128 52.8027 50 -0.7 60
IV.APEC.HHZ. 2020-07-21T22:49:22.02 0.3 undecidable manual P 133 44.1225 50 -0.06 72
IV.NARO.HHZ. 2020-07-21T22:49:22.68 0.3 undecidable manual P 118 51.2154 50 -0.5 65
IV.BRIS.HHZ. 2020-07-21T22:49:22.64 0.3 undecidable manual P 335 48.1185 50 -0.06 71
IV.BADI.EHZ. 2020-07-21T22:49:21.17 0.3 undecidable manual P 153 39.9267 50 -0.27 69
IV.RUFI.EHZ. 2020-07-21T22:49:21.41 0.1 undecidable manual P 271 40.7259 50 -0.16 95
IV.RSM2.HHE. 2020-07-21T22:49:21.28 0.6 undecidable manual P 71 36.0417 50 0.44 45
IV.ASQU.HHZ. 2020-07-21T22:49:21.37 0.6 undecidable manual S 258 18.7701 118 0.3 48
IV.PE3.EHZ. 2020-07-21T22:49:21.41 0.3 undecidable manual P 111 41.0256 50 -0.21 70
IV.RINC.HHZ. 2020-07-21T22:49:20.22 0.1 undecidable manual P 281 33.5442 50 -0.23 94
IV.SFI.EHZ. 2020-07-21T22:49:20.10 0.6 undecidable manual S 301 15.9729 122 -0.14 50
IV.LMD.HHZ. 2020-07-21T22:49:20.45 0.3 undecidable manual P 318 37.0296 50 -0.53 66
IV.CPGN.EHZ. 2020-07-21T22:49:19.09 0.3 undecidable manual P 98 24.3534 112 0.12 74
IV.SSP9.EHZ. 2020-07-21T22:49:19.61 0.3 undecidable manual P 162 29.8479 50 -0.28 70
IV.PARC.HHZ. 2020-07-21T22:49:19.06 0.3 undecidable manual P 139 26.8509 50 -0.35 70
IV.ASQU.HHZ. 2020-07-21T22:49:18.06 0.1 undecidable manual P 258 18.7701 118 0.1 99
IV.CRE.HHZ. 2020-07-21T22:49:18.96 0.1 undecidable manual P 193 24.1536 112 0.03 100
IV.SFI.EHZ. 2020-07-21T22:49:17.20 0.1 undecidable manual P 301 15.9729 122 -0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:1.5 0.000306 0.24 AML other m 2020-07-21T22:49:20.24
IV.SFI.HNN. ML:1.5 0.0002985 1.04 AML other m 2020-07-21T22:49:21.02
IV.ASQU.HHN. ML:1.8 0.0005945 0.24 AML other m 2020-07-21T22:49:21.80
IV.ASQU.HHE. ML:1.8 0.0005085 0.26 AML other m 2020-07-21T22:49:21.63
IV.PARC.HHE. ML:1.6 0.000241 0.22 AML other m 2020-07-21T22:49:23.79
IV.SFI.HNE. ML:1.6 0.0003605 0.36 AML other m 2020-07-21T22:49:24.52
IV.SFI.EHE. ML:1.6 0.00034750000000000004 0.36 AML other m 2020-07-21T22:49:24.34
IV.CPGN.EHE. ML:1.9 0.0005110000000000001 0.46 AML other m 2020-07-21T22:49:24.74
IV.CRE.HHE. ML:1.6 0.000247 1.44 AML other m 2020-07-21T22:49:25.82
IV.CRE.HHN. ML:1.9 0.000446 0.24 AML other m 2020-07-21T22:49:25.43
IV.SSP9.EHE. ML:1.4 0.00011800000000000001 0.64 AML other m 2020-07-21T22:49:25.56
IV.RINC.HHN. ML:1.8 0.00028300000000000005 0.36 AML other m 2020-07-21T22:49:25.99
IV.PARC.HHN. ML:1.7 0.00026450000000000003 1.5 AML other m 2020-07-21T22:49:25.11
IV.CPGN.EHN. ML:1.8 0.000426 1.12 AML other m 2020-07-21T22:49:26.61
IV.LMD.HHE. ML:1.5 0.00012525 0.6 AML other m 2020-07-21T22:49:26.43
IV.LMD.HHN. ML:1.5 0.000121 1.22 AML other m 2020-07-21T22:49:27.12
IV.BADI.EHN. ML:1.6 0.000134 0.38 AML other m 2020-07-21T22:49:28.55
IV.PE3.EHE. ML:2.3 0.000686 0.32 AML other m 2020-07-21T22:49:28.64
IV.BADI.EHE. ML:1.7 0.000174 1.58 AML other m 2020-07-21T22:49:28.88
IV.PE3.EHN. ML:2.1 0.0004165 1.58 AML other m 2020-07-21T22:49:29.20
IV.BRIS.HHN. ML:1.9 0.000216 0.4 AML other m 2020-07-21T22:49:30.66
IV.BRIS.HHE. ML:1.6 0.00010525000000000001 0.26 AML other m 2020-07-21T22:49:30.77
IV.NARO.HHN. ML:1.4 0.0000722 1.38 AML other m 2020-07-21T22:49:30.21
IV.RINC.HHE. ML:1.7 0.000193 0.6 AML other m 2020-07-21T22:49:30.97
IV.NARO.HHE. ML:1.5 0.00008195 0.18 AML other m 2020-07-21T22:49:31.13
IV.SSP9.EHN. ML:1.4 0.000123 1.22 AML other m 2020-07-21T22:49:31.71
IV.PIEI.HHE. ML:1.5 0.0000765 0.12 AML other m 2020-07-21T22:49:32.16
IV.PIEI.HHN. ML:1.3 0.000047799999999999996 1.58 AML other m 2020-07-21T22:49:32.17
IV.APEC.HHE. ML:1.6 0.000114 0.3 AML other m 2020-07-21T22:49:33.49
IV.APEC.HHN. ML:1.5 0.0000925 1.1 AML other m 2020-07-21T22:49:34.64
IV.ATVO.HHN. ML:1.5 0.0000669 0.22 AML other m 2020-07-21T22:49:34.37
IV.RONT.HHN. ML:1.8 0.00017299999999999998 0.36 AML other m 2020-07-21T22:49:34.76
IV.RONT.HHE. ML:1.8 0.000176 0.4 AML other m 2020-07-21T22:49:34.88
IV.MPAG.EHE. ML:1.3 0.0000423 1.32 AML other m 2020-07-21T22:49:35.11
IV.MPAG.EHN. ML:1.5 0.000054800000000000004 0.22 AML other m 2020-07-21T22:49:35.26
IV.SEI.HHN. ML:2.0 0.00020549999999999998 0.52 AML other m 2020-07-21T22:49:36.16
IV.FRON.EHN. ML:1.5 0.00005465000000000001 1.48 AML other m 2020-07-21T22:49:36.23
IV.FRON.EHE. ML:1.2 0.00003095 0.5 AML other m 2020-07-21T22:49:37.43
IV.ATMI.HHN. ML:1.8 0.0001395 0.8 AML other m 2020-07-21T22:49:37.52
IV.ATVO.HHE. ML:1.6 0.00009655 1.62 AML other m 2020-07-21T22:49:37.89
IV.SEI.HHE. ML:1.9 0.000158 0.54 AML other m 2020-07-21T22:49:38.44
IV.SSFR.HHN. ML:1.7 0.00007635 0.14 AML other m 2020-07-21T22:49:38.50
IV.MPPT.EHE. ML:1.4 0.000033549999999999996 0.2 AML other m 2020-07-21T22:49:39.11
IV.CRTC.HHE. ML:1.8 0.0001217 0.64 AML other m 2020-07-21T22:49:40.44
IV.ATMI.HHE. ML:1.8 0.000122 0.42 AML other m 2020-07-21T22:49:40.25
IV.MURB.HHE. ML:1.9 0.00010769999999999999 0.76 AML other m 2020-07-21T22:49:40.49
IV.SSFR.HHE. ML:1.8 0.00008724999999999999 1.84 AML other m 2020-07-21T22:49:41.97
IV.CRTC.HHN. ML:1.8 0.00011700000000000001 0.46 AML other m 2020-07-21T22:49:41.44
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