Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 19-04-2023 and time 11:06:07 (Italy) in region 5 km NW Bagno di Romagna (FC)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Bagno di Romagna (FC), on

  • 19-04-2023 09:06:07 (UTC)
  • 19-04-2023 11:06:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8900, 11.9360 at 15 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 5 6026 6026
Santa Sofia FC 7 4136 10162
Verghereto FC 12 1907 12069
Galeata FC 12 2516 14585
Civitella di Romagna FC 13 3786 18371
Premilcuore FC 16 799 19170
Sarsina FC 17 3446 22616
Portico e San Benedetto FC 20 756 23372

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Cesena (96758 inhabitants)
38 Km S of Forlì (117913 inhabitants)
44 Km S of Faenza (58541 inhabitants)
47 Km N of Arezzo (99543 inhabitants)
54 Km W of Rimini (147750 inhabitants)
55 Km SE of Imola (69797 inhabitants)
56 Km E of Firenze (382808 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
67 Km E of Prato (191150 inhabitants)
78 Km W of Pesaro (94582 inhabitants)
80 Km NE of Siena (53903 inhabitants)
82 Km E of Pistoia (90315 inhabitants)
82 Km SE of Bologna (386663 inhabitants)
87 Km W of Fano (60888 inhabitants)
94 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 2023-04-19
09:06:07		 43.8903 11.936 15 2024-03-01
17:18:12		 Bollettino Sismico Italiano INGV 118936231
Reviewed
Rev100 		ML 1.4 2023-04-19
09:06:07		 43.8938 11.9248 15 2023-04-19
09:20:10		 Sala Sismica INGV-Roma 116512611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 09:06:07 ± 0.07
Latitude 43.8903 ± 0.0045
Longitude 11.9360 ± 0.0062
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118936231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.76173
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 32
Type of magnitude ML
Reference to an origin 118936231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-03 14:08:03

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 116512611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 09:20:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2023-04-19T09:06:22.98 0.3 undecidable manual S 150 48.9177 96 0.33 67
IV.SSFR.HHZ. 2023-04-19T09:06:21.26 0.3 undecidable manual P 126 84.5487 93 -0.28 63
IV.SSP9.EHZ. 2023-04-19T09:06:20.04 0.6 undecidable manual S 156 38.4282 98 0.17 47
IV.BRIS.HHZ. 2023-04-19T09:06:20.68 0.6 undecidable manual S 340 39.4272 98 0.54 43
IV.PARC.HHZ. 2023-04-19T09:06:19.32 0.3 undecidable manual S 138 36.1416 99 0.05 73
IV.RUFI.EHZ. 2023-04-19T09:06:18.88 0.3 undecidable manual S 260 34.6431 100 0.02 72
IV.CPGN.EHE. 2023-04-19T09:06:18.42 0.6 undecidable manual S 108 32.3454 101 0.16 48
IV.VMGN.HHZ. 2023-04-19T09:06:18.57 0.3 undecidable manual S 283 33.0447 100 0.13 71
IV.ATVO.HHZ. 2023-04-19T09:06:18.93 0.6 undecidable manual P 146 67.8765 94 -0.05 45
IV.CAFI.HHZ. 2023-04-19T09:06:17.90 0.6 undecidable manual P 178 62.2932 94 -0.23 45
IV.CRE.HHZ. 2023-04-19T09:06:17.90 0.3 undecidable manual S 178 30.1476 102 0.21 70
IV.NARO.HHZ. 2023-04-19T09:06:17.33 0.3 undecidable manual P 121 60.2952 95 -0.48 63
IV.PIEI.HHZ. 2023-04-19T09:06:17.60 0.3 undecidable manual P 129 62.0934 94 -0.49 63
IV.LMD.HHZ. 2023-04-19T09:06:16.78 0.3 undecidable manual S 319 27.6501 104 -0.26 70
IV.VISG.HHZ. 2023-04-19T09:06:16.52 0.3 undecidable manual P 310 51.9036 95 -0.01 71
IV.SEI.HHZ. 2023-04-19T09:06:16.04 0.3 undecidable manual P 292 49.5171 96 -0.13 70
IV.BLLA.EHE. 2023-04-19T09:06:16.40 1.0 undecidable manual P 57 51.0156 96 0.01 24
IV.BRSN.HNE. 2023-04-19T09:06:15.20 1.0 undecidable manual P 15 45.1215 97 -0.29 22
IV.BADI.EHZ. 2023-04-19T09:06:15.75 0.6 undecidable manual P 150 48.9177 96 -0.32 45
IV.RSM2.HHE. 2023-04-19T09:06:15.32 0.3 undecidable manual P 82 41.0256 98 0.46 66
IV.BRIS.HHZ. 2023-04-19T09:06:14.97 0.6 undecidable manual P 340 39.4272 98 0.35 45
IV.SSP9.EHZ. 2023-04-19T09:06:14.84 0.3 undecidable manual P 156 38.4282 98 0.37 67
IV.VMGN.HHZ. 2023-04-19T09:06:13.69 0.1 undecidable manual P 283 33.0447 100 0.05 96
IV.RUFI.EHZ. 2023-04-19T09:06:13.93 0.3 undecidable manual P 260 34.6431 100 0.05 72
IV.PARC.HHZ. 2023-04-19T09:06:13.79 1.0 negative manual P 138 36.1416 99 -0.33 23
IV.CRE.HHZ. 2023-04-19T09:06:13.20 0.3 negative manual P 178 30.1476 102 -0.01 74
IV.CPGN.EHE. 2023-04-19T09:06:13.83 0.1 undecidable manual P 108 32.3454 101 0.29 93
IV.SFI.EHZ. 2023-04-19T09:06:12.40 0.6 undecidable manual S 283 7.2927 148 -0.07 50
IV.LMD.HHZ. 2023-04-19T09:06:12.43 0.1 undecidable manual P 319 27.6501 104 -0.4 91
IV.SFI.EHZ. 2023-04-19T09:06:10.09 0.1 undecidable manual P 283 7.2927 148 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.7 0.000516 0.14 AML other m 2023-04-19T09:06:12.57
IV.SFI.HNE. ML:1.7 0.0005275000000000001 0.14 AML other m 2023-04-19T09:06:12.57
IV.SFI.HNN. ML:1.5 0.0003575 0.18 AML other m 2023-04-19T09:06:12.64
IV.SFI.EHN. ML:1.5 0.0003585 0.18 AML other m 2023-04-19T09:06:12.64
IV.LMD.HHN. ML:1.7 0.000242 0.14 AML other m 2023-04-19T09:06:17.03
IV.LMD.HHE. ML:1.5 0.0001436818 0.2432 AML other m 2023-04-19T09:06:17.74
IV.CRE.HHN. ML:2.0 0.000438 0.2 AML other m 2023-04-19T09:06:18.55
IV.CRE.HHE. ML:1.6 0.00016450000000000001 0.14 AML other m 2023-04-19T09:06:18.59
IV.VMGN.HHE. ML:1.3 0.00008494999999999999 0.46 AML other m 2023-04-19T09:06:18.99
IV.VMGN.HHN. ML:1.2 0.00006355 0.82 AML other m 2023-04-19T09:06:19.88
IV.PARC.HHE. ML:1.1 0.00004415 0.32 AML other m 2023-04-19T09:06:19.85
IV.PARC.HHN. ML:1.3 0.00007465 0.34 AML other m 2023-04-19T09:06:22.37
IV.BADI.EHE. ML:1.5 0.00007625 0.2 AML other m 2023-04-19T09:06:23.97
IV.BADI.EHN. ML:1.4 0.000064 0.3 AML other m 2023-04-19T09:06:24.89
IV.SEI.HHN. ML:1.4 0.00005925 1.76 AML other m 2023-04-19T09:06:24.11
IV.SEI.HHE. ML:1.4 0.00006835000000000001 0.44 AML other m 2023-04-19T09:06:26.62
IV.PIEI.HHN. ML:0.7 0.000011285 1.24 AML other m 2023-04-19T09:06:26.79
IV.CAFI.HHE. ML:1.0 0.00001915 1.34 AML other m 2023-04-19T09:06:27.32
IV.VISG.HHN. ML:0.8 0.000012650000000000001 0.34 AML other m 2023-04-19T09:06:28.43
IV.PIEI.HHE. ML:0.9 0.000014999999999999999 0.98 AML other m 2023-04-19T09:06:28.03
IV.VISG.HHE. ML:0.8 0.00001525 0.94 AML other m 2023-04-19T09:06:28.35
IV.ATVO.HHE. ML:1.4 0.0000447 0.6 AML other m 2023-04-19T09:06:29.70
IV.CAFI.HHN. ML:1.0 0.000020799999999999997 0.2 AML other m 2023-04-19T09:06:29.35
IV.ATVO.HHN. ML:1.2 0.000031229215 0.2432 AML other m 2023-04-19T09:06:30.28
IV.ATVO.HNE. ML:2.7 0.00083 0.4 AML other m 2023-04-19T09:06:36.03
IV.ATVO.HNN. ML:2.6 0.0006950000000000001 0.42 AML other m 2023-04-19T09:06:37.72
IV.ASSB.HHE. ML:2.2 0.0001395 0.06 AML other m 2023-04-19T09:06:44.60
IV.ASSB.HHN. ML:2.0 0.00007955 0.22 AML other m 2023-04-19T09:06:44.84
IV.RUFI.EHE. ML:1.5 0.00012204745 0.1984 AML other m 2023-04-19T09:06:19.04
IV.RUFI.EHN. ML:1.6 0.00014780670000000002 0.1792 AML other m 2023-04-19T09:06:19.21
IV.NARO.HHE. ML:0.7 0.000009423645500000002 0.1408 AML other m 2023-04-19T09:06:27.68
IV.NARO.HHN. ML:0.7 0.000011689615 0.064 AML other m 2023-04-19T09:06:27.14
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