Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 17-08-2019 and time 16:32:37 (Italy) in region 4 km S Bagno di Romagna (FC)

A magnitude ML 1.7 earthquake occured in region: 4 km S Bagno di Romagna (FC), on

  • 17-08-2019 14:32:37 (UTC)
  • 17-08-2019 16:32:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8260, 11.9730 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4 1907 7933
Chiusi della Verna AR 14 2023 9956
Santa Sofia FC 15 4136 14092
Casteldelci RN 15 407 14499
Sarsina FC 17 3446 17945
Pieve Santo Stefano AR 18 3183 21128
Bibbiena AR 19 12241 33369
Sant'Agata Feltria RN 20 2151 35520
Chitignano AR 20 899 36419
Galeata FC 20 2516 38935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Arezzo (99543 inhabitants)
41 Km SW of Cesena (96758 inhabitants)
45 Km S of Forlì (117913 inhabitants)
52 Km S of Faenza (58541 inhabitants)
54 Km W of Rimini (147750 inhabitants)
58 Km E of Firenze (382808 inhabitants)
62 Km SE of Imola (69797 inhabitants)
64 Km E of Scandicci (50609 inhabitants)
68 Km S of Ravenna (159116 inhabitants)
70 Km E of Prato (191150 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
76 Km NE of Siena (53903 inhabitants)
84 Km W of Fano (60888 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
87 Km NW of Perugia (166134 inhabitants)
90 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 2019-08-17
14:32:37		 43.8262 11.9728 9 2019-11-13
14:31:01		 Bollettino Sismico Italiano INGV 72278491
Reviewed
Rev100 		ML 1.5 2019-08-17
14:32:37		 43.8333 11.9572 8 2019-08-17
14:39:49		 Sala Sismica INGV-Roma 71574231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-17 14:32:37 ± 0.08
Latitude 43.8262 ± 0.0054
Longitude 11.9728 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72278491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49732
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 72278491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-10 06:53:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 71574231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-17 14:39:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2019-08-17T14:33:08.57 3.0 undecidable manual S -4.4 0
IV.ARVD.HHZ. 2019-08-17T14:32:58.46 3.0 positive manual P 1.76 0
IV.SEI.HHZ. 2019-08-17T14:32:55.71 0.1 undecidable manual S 297 55.2003 50 0.69 79
IV.BRIS.HHE. 2019-08-17T14:32:53.54 0.1 undecidable manual S 340 47.1195 50 0.67 81
IV.BADI.EHE. 2019-08-17T14:32:51.37 0.1 undecidable manual S 148 41.3253 50 0.06 96
IV.RUFI.EHZ. 2019-08-17T14:32:50.13 0.3 undecidable manual S 272 37.1295 50 -0.06 73
IV.LMD.HHZ. 2019-08-17T14:32:49.18 0.1 undecidable manual S 323 35.0427 50 -0.45 89
IV.CPGN.EHE. 2019-08-17T14:32:48.05 0.1 undecidable manual S 96 27.9498 108 0.38 92
IV.SSP9.EHZ. 2019-08-17T14:32:48.58 0.1 undecidable manual S 156 30.747 50 0.09 97
IV.PARC.HHE. 2019-08-17T14:32:47.84 0.1 undecidable manual S 133 29.0487 108 -0.17 96
IV.SEI.HHZ. 2019-08-17T14:32:47.54 0.1 negative manual P 297 55.2003 50 -0.05 94
IV.BRIS.HHE. 2019-08-17T14:32:46.52 0.1 undecidable manual P 340 47.1195 50 0.17 93
IV.CRE.HHZ. 2019-08-17T14:32:46.57 0.1 undecidable manual S 184 23.0547 112 0.5 90
IV.BADI.EHE. 2019-08-17T14:32:45.09 0.1 undecidable manual P 148 41.3253 50 -0.36 90
IV.LMD.HHZ. 2019-08-17T14:32:44.02 0.1 undecidable manual P 323 35.0427 50 -0.46 89
IV.RUFI.EHZ. 2019-08-17T14:32:44.45 0.3 undecidable manual P 272 37.1295 50 -0.35 68
IV.SSP9.EHZ. 2019-08-17T14:32:43.60 0.1 undecidable manual P 156 30.747 50 -0.22 95
IV.CPGN.EHE. 2019-08-17T14:32:43.55 0.1 undecidable manual P 96 27.9498 108 0.21 95
IV.PARC.HHE. 2019-08-17T14:32:43.09 0.1 undecidable manual P 133 29.0487 108 -0.45 90
IV.ASQU.HHZ. 2019-08-17T14:32:43.70 0.1 undecidable manual S 258 15.0738 122 0.12 99
IV.CRE.HHZ. 2019-08-17T14:32:42.37 0.1 positive manual P 184 23.0547 112 -0.05 99
IV.SFI.EHZ. 2019-08-17T14:32:42.88 0.1 undecidable manual S 311 13.2756 125 -0.2 98
IV.ASQU.HHZ. 2019-08-17T14:32:41.07 0.1 negative manual P 258 15.0738 122 0.09 100
IV.SFI.EHZ. 2019-08-17T14:32:40.56 0.1 negative manual P 311 13.2756 125 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:1.7 0.00060835795 0.1792 AML other m 2019-08-17T14:32:43.03
IV.SFI.EHN. ML:1.7 0.0006057264499999999 0.1792 AML other m 2019-08-17T14:32:43.03
IV.SFI.HNE. ML:1.9 0.0009970712 0.192 AML other m 2019-08-17T14:32:43.03
IV.SFI.EHE. ML:2.0 0.0010277823000000002 0.1984 AML other m 2019-08-17T14:32:43.04
IV.ASQU.HHE. ML:1.5 0.00031942025 0.1984 AML other m 2019-08-17T14:32:43.80
IV.ASQU.HHN. ML:1.6 0.00041134254999999995 0.1984 AML other m 2019-08-17T14:32:43.82
IV.CRE.HHN. ML:1.3 0.000128382 0.3008 AML other m 2019-08-17T14:32:46.68
IV.LMD.HHE. ML:1.5 0.0001384846 0.3392 AML other m 2019-08-17T14:32:49.45
IV.LMD.HHN. ML:1.7 0.00021729294999999998 0.32 AML other m 2019-08-17T14:32:49.47
IV.SEI.HHN. ML:1.7 0.00010616736 0.4224 AML other m 2019-08-17T14:32:56.02
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