Earthquake with magnitude of ML 1.4 on date 07-12-2020 and time 17:20:16 (Italy) in region 4 km E Bagno di Romagna (FC)

A magnitude ML 1.4 earthquake occured in region: 4 km E Bagno di Romagna (FC), on

  • 07-12-2020 16:20:16 (UTC)
  • 07-12-2020 17:20:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8770, 12.0230 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bagno di Romagna FC 4 6026 6026
Verghereto FC 9 1907 7933
Sarsina FC 11 3446 11379
Santa Sofia FC 12 4136 15515
Casteldelci RN 14 407 15922
Sant'Agata Feltria RN 15 2151 18073
Civitella di Romagna FC 16 3786 21859
Galeata FC 16 2516 24375
Mercato Saraceno FC 17 6886 31261

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Cesena (96758 inhabitants)
39 Km S of Forlì (117913 inhabitants)
47 Km N of Arezzo (99543 inhabitants)
47 Km S of Faenza (58541 inhabitants)
48 Km W of Rimini (147750 inhabitants)
59 Km SE of Imola (69797 inhabitants)
62 Km S of Ravenna (159116 inhabitants)
63 Km E of Firenze (382808 inhabitants)
69 Km E of Scandicci (50609 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
74 Km E of Prato (191150 inhabitants)
80 Km W of Fano (60888 inhabitants)
83 Km NE of Siena (53903 inhabitants)
88 Km SE of Bologna (386663 inhabitants)
89 Km E of Pistoia (90315 inhabitants)
91 Km NW of Perugia (166134 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 1.4 2020-12-07
16:20:16
43.8768 12.0233 10 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86561831
Reviewed
Rev100
ML 1.5 2020-12-07
16:20:16
43.8752 12.0285 7 2020-12-07
16:25:28
Sala Sismica INGV-Roma 85268981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-07 16:20:16 ± 0.08
Latitude 43.8768 ± 0.0036
Longitude 12.0233 ± 0.0037
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 86561831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 451
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.18706
Epicentral distance of station farthest from the epicenter (degree) 0.56657
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 86561831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 14:01:28

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 85268981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-07 16:25:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2020-12-07T16:20:36.20 0.6 undecidable manual S 184 60.8946 50 0.43 44
IV.ATVO.HHZ. 2020-12-07T16:20:36.00 0.6 undecidable manual S 151 62.8926 50 -0.31 44
IV.SEI.HHZ. 2020-12-07T16:20:34.90 0.3 undecidable manual S 291 56.5989 50 0.28 68
IV.NARO.HHZ. 2020-12-07T16:20:34.10 0.3 undecidable manual S 123 53.502 50 0.3 68
IV.BRIS.HHZ. 2020-12-07T16:20:31.00 0.3 undecidable manual S 332 43.623 50 -0.17 70
IV.BADI.EHZ. 2020-12-07T16:20:31.60 0.3 undecidable manual S 156 44.4222 50 0.23 70
IV.RUFI.EHZ. 2020-12-07T16:20:30.80 0.6 undecidable manual S 264 41.3253 50 0.26 47
IV.RINC.HHZ. 2020-12-07T16:20:28.50 0.6 undecidable manual S 272 33.3444 50 0.1 49
IV.ATVO.HHZ. 2020-12-07T16:20:28.16 0.3 undecidable manual P 151 62.8926 50 0.08 69
IV.LMD.HHZ. 2020-12-07T16:20:28.50 0.3 undecidable manual S 312 33.6441 50 0.01 74
IV.CAFI.HHZ. 2020-12-07T16:20:27.91 0.3 undecidable manual P 184 60.8946 50 0.14 69
IV.PARC.HHZ. 2020-12-07T16:20:27.60 0.3 undecidable manual S 146 30.6471 50 -0.09 73
IV.SEI.HHZ. 2020-12-07T16:20:27.32 0.3 undecidable manual P 291 56.5989 50 0.22 68
IV.CRE.HHZ. 2020-12-07T16:20:27.20 0.3 undecidable manual S 191 29.1486 50 -0.1 73
IV.CPGN.EHZ. 2020-12-07T16:20:26.20 0.6 undecidable manual S 109 25.2525 50 -0.05 50
IV.NARO.HHZ. 2020-12-07T16:20:26.38 0.3 undecidable manual P 123 53.502 50 -0.25 68
IV.BRIS.HHZ. 2020-12-07T16:20:25.57 1.0 undecidable manual P 332 43.623 50 0.46 22
IV.ASQU.HHZ. 2020-12-07T16:20:25.00 0.3 undecidable manual S 245 20.7681 116 0.16 73
IV.BADI.EHZ. 2020-12-07T16:20:24.98 0.6 undecidable manual P 156 44.4222 50 -0.25 46
IV.RUFI.EHZ. 2020-12-07T16:20:24.52 0.3 undecidable manual P 264 41.3253 50 -0.23 70
IV.RSM2.HHE. 2020-12-07T16:20:23.92 0.3 undecidable manual P 79 34.3434 50 0.24 71
IV.RINC.HHZ. 2020-12-07T16:20:23.35 0.3 undecidable manual P 272 33.3444 50 -0.16 72
IV.LMD.HHZ. 2020-12-07T16:20:23.24 0.3 undecidable manual P 312 33.6441 50 -0.33 70
IV.CPGN.EHZ. 2020-12-07T16:20:22.68 0.3 undecidable manual P 109 25.2525 50 0.41 69
IV.CRE.HHZ. 2020-12-07T16:20:22.70 0.1 positive manual P 191 29.1486 50 -0.18 96
IV.PARC.HHZ. 2020-12-07T16:20:22.77 0.1 negative manual P 146 30.6471 50 -0.34 93
IV.ASQU.HHZ. 2020-12-07T16:20:21.33 0.1 positive manual P 245 20.7681 116 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:0.0 0.00035989554999999997 0.2048 AML other m 2020-12-07T16:20:25.36
IV.ASQU.HHE. ML:0.0 0.0002588178 0.3584 AML other m 2020-12-07T16:20:27.48
IV.CPGN.EHE. ML:0.0 0.00016614599000000003 0.3968 AML other m 2020-12-07T16:20:28.46
IV.RINC.HHE. ML:0.0 0.00010635794 0.2304 AML other m 2020-12-07T16:20:29.44
IV.LMD.HHE. ML:0.0 0.00021249704999999999 0.2048 AML other m 2020-12-07T16:20:29.37
IV.CRE.HHN. ML:0.0 0.00035238275 0.256 AML other m 2020-12-07T16:20:29.83
IV.LMD.HHN. ML:0.0 0.00018099999999999998 0.16 AML other m 2020-12-07T16:20:30.16
IV.CRE.HHE. ML:0.0 0.00017807859999999999 0.2688 AML other m 2020-12-07T16:20:30.10
IV.PARC.HHE. ML:0.0 0.00008007631500000001 0.3328 AML other m 2020-12-07T16:20:33.74
IV.RUFI.EHE. ML:0.0 0.00009440125499999999 0.192 AML other m 2020-12-07T16:20:31.14
IV.RINC.HHN. ML:0.0 0.000081118535 0.32 AML other m 2020-12-07T16:20:30.75
IV.CPGN.EHN. ML:0.0 0.000116090565 0.2176 AML other m 2020-12-07T16:20:31.34
IV.RUFI.EHN. ML:0.0 0.00007818480499999999 0.2432 AML other m 2020-12-07T16:20:31.35
IV.PARC.HHN. ML:0.0 0.0001171176 0.4992 AML other m 2020-12-07T16:20:33.06
IV.BADI.EHE. ML:0.0 0.00006037691000000001 0.5504 AML other m 2020-12-07T16:20:35.52
IV.SEI.HHN. ML:0.0 0.0004394954 0.384 AML other m 2020-12-07T16:20:36.08
IV.BADI.EHN. ML:0.0 0.000066272865 0.4864 AML other m 2020-12-07T16:20:37.02
IV.SEI.HHE. ML:0.0 0.00024879700000000004 0.3968 AML other m 2020-12-07T16:20:37.89
IV.CAFI.HHN. ML:0.0 0.0000292021615 0.384 AML other m 2020-12-07T16:20:38.07
IV.CAFI.HHE. ML:0.0 0.000035263570000000004 0.4608 AML other m 2020-12-07T16:20:39.85
IV.BRIS.HHN. ML:1.5 0.00009255798500000001 0.2944 AML other m 2020-12-07T16:20:36.12
IV.BRIS.HHE. ML:1.4 0.0000831905 0.6144 AML other m 2020-12-07T16:20:36.25
IV.NARO.HHE. ML:1.1 0.000028524500500000002 0.2048 AML other m 2020-12-07T16:20:34.72
IV.NARO.HHN. ML:1.2 0.000036540505 0.2048 AML other m 2020-12-07T16:20:34.83
IV.ATVO.HHE. ML:1.4 0.00005138368 0.5632 AML other m 2020-12-07T16:20:42.02
IV.ATVO.HHN. ML:1.2 0.000029165464999999998 0.3328 AML other m 2020-12-07T16:20:38.78
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