Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 28-01-2020 and time 23:02:02 (UTC) in region 4 km N Bagno di Romagna (FC)

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

  • 28-01-2020 23:02:02 (UTC)
  • 29-01-2020 00:02:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8960, 11.9780 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.

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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
Santa Sofia FC 8 4136 10162
Verghereto FC 11 1907 12069
Galeata FC 13 2516 14585
Civitella di Romagna FC 13 3786 18371
Sarsina FC 13 3446 21817
Casteldelci RN 18 407 22224
Premilcuore FC 19 799 23023
Mercato Saraceno FC 19 6886 29909
Sant'Agata Feltria RN 19 2151 32060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Cesena (96758 inhabitants)
37 Km S of Forlì (117913 inhabitants)
44 Km S of Faenza (58541 inhabitants)
48 Km N of Arezzo (99543 inhabitants)
51 Km W of Rimini (147750 inhabitants)
55 Km SE of Imola (69797 inhabitants)
60 Km E of Firenze (382808 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
66 Km E of Scandicci (50609 inhabitants)
71 Km E of Prato (191150 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
83 Km NE of Siena (53903 inhabitants)
84 Km SE of Bologna (386663 inhabitants)
84 Km W of Fano (60888 inhabitants)
85 Km E of Pistoia (90315 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 2020-01-28
23:02:02		 43.8962 11.9785 9 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77754831
Reviewed
Rev100 		ML 1.4 2020-01-28
23:02:02		 43.8983 11.9742 10 2020-01-28
23:14:51		 Sala Sismica INGV-Roma 75975151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-28 23:02:02 ± 0.14
Latitude 43.8962 ± 0.0054
Longitude 11.9785 ± 0.0100
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 77754831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 798
Semi-minor axis of confidence ellipse (meter) 473
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 77754831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-01 10:32:13

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 75975151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-28 23:14:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CLTA.HHZ. 2020-01-28T23:03:43.95 3.0 undecidable manual Pn 3.61 0
IV.VITU.HHZ. 2020-01-28T23:03:40.70 3.0 undecidable manual Sg 10.16 0
IV.PAOL.HHZ. 2020-01-28T23:03:40.27 3.0 undecidable manual Sg 7.2 0
IV.PTRJ.HNZ. 2020-01-28T23:03:32.14 3.0 undecidable manual Sg 6.3 0
IX.STN3.HHZ.02 2020-01-28T23:03:13.90 3.0 negative manual Pg 9.47 0
IV.MTMR.HNZ. 2020-01-28T23:02:56.83 3.0 undecidable manual Pn 0.68 0
IV.VENL.HNZ. 2020-01-28T23:02:45.87 3.0 undecidable manual S -0.15 0
IT.VNF1.HGZ. 2020-01-28T23:02:45.30 3.0 positive manual Pg 0.92 0
IV.TRIF.CHZ. 2020-01-28T23:02:39.13 3.0 undecidable manual S 0.14 0
IV.LAV9.HNZ. 2020-01-28T23:02:35.90 3.0 undecidable manual Pg -1.06 0
IV.CELB.HHZ. 2020-01-28T23:02:34.17 3.0 negative manual Pg 3.59 0
IV.TEOL.HHZ. 2020-01-28T23:02:25.53 3.0 undecidable manual Pg -0.01 0
IV.SEI.HHZ. 2020-01-28T23:02:20.13 0.6 undecidable manual S 290 52.503 50 0.9 36
IV.BRIS.HHZ. 2020-01-28T23:02:17.31 0.6 undecidable manual S 335 40.1265 50 1.37 29
IT.FAZ.HNZ. 2020-01-28T23:02:16.72 0.6 undecidable manual S 351 45.1215 50 -0.55 42
IV.SSP9.EHE. 2020-01-28T23:02:15.18 0.6 undecidable manual S 161 37.8288 50 -0.13 47
IV.RUFI.EHZ. 2020-01-28T23:02:15.30 0.3 undecidable manual S 260 38.0286 50 -0.08 71
IV.PARC.HHE. 2020-01-28T23:02:14.71 0.6 undecidable manual S 143 34.4433 50 0.29 46
IV.RINC.HHZ. 2020-01-28T23:02:13.08 0.6 undecidable manual S 268 29.748 50 -0.08 48
IV.CRE.HHZ. 2020-01-28T23:02:13.61 0.3 undecidable manual S 184 30.8469 50 0.16 71
IV.LMD.HHZ. 2020-01-28T23:02:12.88 0.1 undecidable manual S 313 29.5482 50 -0.23 93
IV.SEI.HHZ. 2020-01-28T23:02:12.28 0.1 undecidable manual P 290 52.503 50 0.16 91
IT.FAZ.HNZ. 2020-01-28T23:02:11.02 0.3 undecidable manual P 351 45.1215 50 0.04 71
IV.BRIS.HHZ. 2020-01-28T23:02:10.53 0.3 undecidable manual P 335 40.1265 50 0.31 67
IV.RUFI.EHZ. 2020-01-28T23:02:09.67 0.3 undecidable manual P 260 38.0286 50 -0.22 69
IV.SSP9.EHE. 2020-01-28T23:02:09.79 0.6 undecidable manual P 161 37.8288 50 -0.06 48
IV.ASQU.HHZ. 2020-01-28T23:02:09.77 0.3 undecidable manual S 234 18.7701 117 0.1 73
IV.PARC.HHE. 2020-01-28T23:02:09.24 0.6 undecidable manual P 143 34.4433 50 -0.1 47
IV.LMD.HHZ. 2020-01-28T23:02:08.24 0.1 undecidable manual P 313 29.5482 50 -0.34 91
IV.RINC.HHZ. 2020-01-28T23:02:08.33 0.1 undecidable manual P 268 29.748 50 -0.28 92
IV.CRE.HHZ. 2020-01-28T23:02:08.64 0.3 undecidable manual P 184 30.8469 50 -0.14 71
IV.SFI.EHZ. 2020-01-28T23:02:07.25 0.1 undecidable manual S 275 10.5783 132 -0.06 100
IV.ASQU.HHZ. 2020-01-28T23:02:06.71 0.1 positive manual P 234 18.7701 117 0.11 97
IV.SFI.EHZ. 2020-01-28T23:02:05.28 0.1 undecidable manual P 275 10.5783 132 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:1.4 0.00034300000000000004 0.26 AML other m 2020-01-28T23:02:07.36
IV.SFI.HNN. ML:1.5 0.0004435 0.14 AML other m 2020-01-28T23:02:07.36
IV.SFI.EHN. ML:1.5 0.000426 0.16 AML other m 2020-01-28T23:02:07.36
IV.SFI.EHE. ML:1.4 0.0003485 0.26 AML other m 2020-01-28T23:02:07.37
IV.ASQU.HHN. ML:1.4 0.0001805 1.82 AML other m 2020-01-28T23:02:09.93
IV.ASQU.HHE. ML:1.5 0.0002375 1.78 AML other m 2020-01-28T23:02:10.01
IV.LMD.HHN. ML:1.3 0.000096 0.7 AML other m 2020-01-28T23:02:13.35
IV.LMD.HHE. ML:1.2 0.00008091 0.56 AML other m 2020-01-28T23:02:14.64
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