Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-12-2019 and time 04:32:12 (UTC) in region 4 km SW Bagno di Romagna (FC)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Bagno di Romagna (FC), on

  • 26-12-2019 04:32:12 (UTC)
  • 26-12-2019 05:32:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8380, 11.9300 at 8 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
Bagno di Romagna FC 4 6026 6026
Verghereto FC 8 1907 7933
Santa Sofia FC 12 4136 12069
Chiusi della Verna AR 15 2023 14092
Pratovecchio Stia AR 18 5845 19937
Galeata FC 18 2516 22453
Bibbiena AR 18 12241 34694
Poppi AR 18 6160 40854
Casteldelci RN 19 407 41261
Civitella di Romagna FC 19 3786 45047
Sarsina FC 19 3446 48493
Premilcuore FC 20 799 49292
Chitignano AR 20 899 50191

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Arezzo (99543 inhabitants)
42 Km SW of Cesena (96758 inhabitants)
44 Km S of Forlì (117913 inhabitants)
50 Km S of Faenza (58541 inhabitants)
55 Km E of Firenze (382808 inhabitants)
57 Km W of Rimini (147750 inhabitants)
60 Km SE of Imola (69797 inhabitants)
61 Km E of Scandicci (50609 inhabitants)
67 Km E of Prato (191150 inhabitants)
68 Km SW of Ravenna (159116 inhabitants)
75 Km NE of Siena (53903 inhabitants)
79 Km W of Pesaro (94582 inhabitants)
82 Km E of Pistoia (90315 inhabitants)
87 Km SE of Bologna (386663 inhabitants)
88 Km W of Fano (60888 inhabitants)
89 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 1.5 2019-12-26
04:32:12		 43.8383 11.9302 8 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 76159261
Reviewed
Rev100 		ML 1.6 2019-12-26
04:32:12		 43.8337 11.9203 9 2019-12-26
04:42:34		 Sala Sismica INGV-Roma 74985471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-26 04:32:12 ± 0.07
Latitude 43.8383 ± 0.0045
Longitude 11.9302 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76159261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 553
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.58906
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 74985471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-26 04:42:34

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 76159261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-03 08:39:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2019-12-26T04:32:32.53 0.1 undecidable manual S 154 62.1933 50 0.23 89
IV.CSNT.HHZ. 2019-12-26T04:32:32.84 0.1 undecidable manual S 232 65.3901 50 -0.33 86
IV.NARO.HHZ. 2019-12-26T04:32:31.47 0.1 undecidable manual S 116 57.8976 50 0.3 88
IV.PIEI.HHZ. 2019-12-26T04:32:31.55 0.1 undecidable manual S 124 58.9965 50 0.09 92
IV.VISG.HHZ. 2019-12-26T04:32:30.55 0.1 undecidable manual S 315 55.5 50 0.03 93
IV.SEI.HHZ. 2019-12-26T04:32:29.79 0.1 undecidable manual S 298 51.5151 50 0.32 89
IV.BRIS.HHZ. 2019-12-26T04:32:28.09 0.1 undecidable manual S 343 44.8218 50 0.43 88
IV.PE3.EHZ. 2019-12-26T04:32:28.67 0.1 undecidable manual S 109 48.0186 50 0.14 93
IV.BADI.EHZ. 2019-12-26T04:32:27.32 0.1 undecidable manual S 145 44.3223 50 -0.22 92
IV.RONT.HHZ. 2019-12-26T04:32:27.43 0.1 undecidable manual S 294 43.3233 50 0.16 93
IV.CSNT.HHZ. 2019-12-26T04:32:25.31 0.1 undecidable manual P 232 65.3901 50 0.88 71
IV.RUFI.EHZ. 2019-12-26T04:32:24.11 0.1 undecidable manual S 270 33.6441 103 -0.34 91
IT.SNS1.HNZ. 2019-12-26T04:32:24.52 0.3 undecidable manual S 151 33.5442 103 0.12 72
IV.SSP9.EHZ. 2019-12-26T04:32:24.42 0.1 undecidable manual S 151 33.4443 103 0.03 97
IV.CPGN.HNZ. 2019-12-26T04:32:24.45 0.3 undecidable manual S 97 31.5462 104 0.72 61
IV.PARC.HHN. 2019-12-26T04:32:23.72 0.3 undecidable manual S 130 32.4453 103 -0.33 69
IV.ATMI.HHZ. 2019-12-26T04:32:23.92 0.1 undecidable manual P 154 62.1933 50 0 93
IV.LMD.HHZ. 2019-12-26T04:32:23.46 0.1 undecidable manual S 326 31.9458 103 -0.41 90
IV.VISG.HHZ. 2019-12-26T04:32:22.72 0.1 undecidable manual P 315 55.5 50 -0.17 91
IV.RINC.HHZ. 2019-12-26T04:32:22.06 0.1 undecidable manual S 282 26.3514 106 0.05 98
IV.NARO.HHZ. 2019-12-26T04:32:22.63 0.1 undecidable manual P 116 57.8976 50 -0.64 80
IV.PIEI.HHZ. 2019-12-26T04:32:22.77 0.1 undecidable manual P 124 58.9965 50 -0.67 79
IV.BRSN.HNN. 2019-12-26T04:32:22.75 0.3 undecidable manual P 14 50.9157 50 0.56 62
IV.BRIS.HHZ. 2019-12-26T04:32:21.09 0.1 undecidable manual P 343 44.8218 50 -0.16 93
IV.CRE.HHZ. 2019-12-26T04:32:21.76 0.1 undecidable manual S 176 24.3534 107 0.41 91
IV.SEI.HHZ. 2019-12-26T04:32:21.93 0.1 undecidable manual P 298 51.5151 50 -0.36 88
IV.PE3.EHZ. 2019-12-26T04:32:21.62 0.1 negative manual P 109 48.0186 50 -0.12 93
IV.RSM2.HHN. 2019-12-26T04:32:21.73 0.3 undecidable manual P 75 42.624 50 0.82 57
IV.RONT.HHZ. 2019-12-26T04:32:21.02 0.1 undecidable manual P 294 43.3233 50 0 96
IV.BADI.EHZ. 2019-12-26T04:32:20.66 0.1 negative manual P 145 44.3223 50 -0.51 86
IV.SSP9.EHZ. 2019-12-26T04:32:19.15 0.1 positive manual P 151 33.4443 103 -0.21 94
IV.CPGN.HNZ. 2019-12-26T04:32:19.24 0.3 undecidable manual P 97 31.5462 104 0.27 70
IV.RUFI.EHZ. 2019-12-26T04:32:19.02 0.1 negative manual P 270 33.6441 103 -0.37 90
IT.SNS1.HNZ. 2019-12-26T04:32:18.57 0.3 undecidable manual P 151 33.5442 103 -0.79 59
IV.LMD.HHZ. 2019-12-26T04:32:18.58 0.1 negative manual P 326 31.9458 103 -0.48 89
IV.PARC.HHN. 2019-12-26T04:32:18.78 0.3 undecidable manual P 130 32.4453 103 -0.38 68
IV.ASQU.HHZ. 2019-12-26T04:32:18.12 0.1 undecidable manual S 248 12.1767 122 0.66 86
IV.CRE.HHZ. 2019-12-26T04:32:17.67 0.1 positive manual P 176 24.3534 107 0.07 98
IV.RINC.HHZ. 2019-12-26T04:32:17.87 0.1 negative manual P 282 26.3514 106 -0.11 97
IV.SFI.EHZ. 2019-12-26T04:32:16.91 0.1 undecidable manual S 318 9.879 127 0.09 100
IV.SFI.EHZ. 2019-12-26T04:32:15.10 0.1 negative manual P 318 9.879 127 0.12 100
IV.ASQU.HHZ. 2019-12-26T04:32:15.84 0.1 positive manual P 248 12.1767 122 0.48 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:1.6 0.00058780835 0.1696 AML other m 2019-12-26T04:32:17.07
IV.SFI.EHN. ML:1.6 0.0005643849 0.16 AML other m 2019-12-26T04:32:17.07
IV.SFI.HNE. ML:1.8 0.0009057898 0.2016 AML other m 2019-12-26T04:32:17.08
IV.SFI.EHE. ML:1.8 0.000909691 0.2016 AML other m 2019-12-26T04:32:17.08
IV.ASQU.HHE. ML:1.8 0.0008775816000000001 0.1792 AML other m 2019-12-26T04:32:18.31
IV.ASQU.HHN. ML:1.9 0.0009001306 0.16 AML other m 2019-12-26T04:32:18.25
IV.CRE.HHN. ML:1.9 0.0005290772500000001 0.2624 AML other m 2019-12-26T04:32:22.14
IV.CRE.HHE. ML:1.4 0.0001399396 0.2784 AML other m 2019-12-26T04:32:22.64
IV.RINC.HHN. ML:1.4 0.00012860035 0.2784 AML other m 2019-12-26T04:32:22.47
IV.RINC.HHE. ML:1.6 0.0002236827 0.3776 AML other m 2019-12-26T04:32:22.52
IV.LMD.HHE. ML:1.9 0.00034948125 0.1792 AML other m 2019-12-26T04:32:23.64
IV.LMD.HHN. ML:1.9 0.0003565111 0.1792 AML other m 2019-12-26T04:32:23.64
IV.RUFI.EHN. ML:1.5 0.00012711237 0.1408 AML other m 2019-12-26T04:32:24.69
IV.RUFI.EHE. ML:1.5 0.000124511295 0.2592 AML other m 2019-12-26T04:32:24.35
IV.SSP9.EHE. ML:1.1 0.0000571487745 0.24 AML other m 2019-12-26T04:32:25.09
IV.SSP9.EHN. ML:1.3 0.00008041933000000001 0.2016 AML other m 2019-12-26T04:32:24.93
IV.BADI.EHN. ML:1.1 0.000040448915 0.1408 AML other m 2019-12-26T04:32:27.62
IV.BADI.EHE. ML:1.0 0.00003111645 0.4384 AML other m 2019-12-26T04:32:27.71
IV.RONT.HHE. ML:1.5 0.00010293343500000001 0.3392 AML other m 2019-12-26T04:32:28.13
IV.RONT.HHN. ML:1.6 0.00012540805 0.1824 AML other m 2019-12-26T04:32:28.58
IV.BRIS.HHN. ML:1.4 0.000087022055 0.24 AML other m 2019-12-26T04:32:28.53
IV.SEI.HHN. ML:1.4 0.00007071291999999999 0.3008 AML other m 2019-12-26T04:32:30.14
IV.SEI.HHE. ML:1.5 0.00007346226 0.3008 AML other m 2019-12-26T04:32:30.32
IV.VISG.HHN. ML:1.2 0.000032763415 0.2624 AML other m 2019-12-26T04:32:32.50
IV.VISG.HHE. ML:0.9 0.000020402545 0.1184 AML other m 2019-12-26T04:32:33.10
IV.ATMI.HHE. ML:1.4 0.00005118997 0.2592 AML other m 2019-12-26T04:32:33.55
IV.CSNT.HHE. ML:1.3 0.000034001505 0.2208 AML other m 2019-12-26T04:32:34.79
IV.CSNT.HHN. ML:1.4 0.00004737351 0.2624 AML other m 2019-12-26T04:32:34.09
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