Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-02-2020 and time 05:27:47 (Italy) in region 7 km E Bagno di Romagna (FC)

A magnitude ML 1.1 earthquake occured in region: 7 km E Bagno di Romagna (FC), on

  • 18-02-2020 04:27:47 (UTC)
  • 18-02-2020 05:27:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8550, 12.0650 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 7 6026 6026
Verghereto FC 8 1907 7933
Sarsina FC 10 3446 11379
Casteldelci RN 10 407 11786
Sant'Agata Feltria RN 12 2151 13937
Mercato Saraceno FC 16 6886 20823
Santa Sofia FC 16 4136 24959
Pennabilli RN 17 2869 27828
Novafeltria RN 19 7164 34992
Talamello RN 19 1104 36096
Badia Tedalda AR 19 1087 37183
Civitella di Romagna FC 20 3786 40969
Maiolo RN 20 848 41817
Chiusi della Verna AR 20 2023 43840
Galeata FC 20 2516 46356

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Cesena (96758 inhabitants)
41 Km S of Forlì (117913 inhabitants)
46 Km NE of Arezzo (99543 inhabitants)
46 Km W of Rimini (147750 inhabitants)
50 Km SE of Faenza (58541 inhabitants)
62 Km SE of Imola (69797 inhabitants)
64 Km S of Ravenna (159116 inhabitants)
66 Km E of Firenze (382808 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
72 Km E of Scandicci (50609 inhabitants)
77 Km W of Fano (60888 inhabitants)
78 Km E of Prato (191150 inhabitants)
84 Km NE of Siena (53903 inhabitants)
87 Km NW of Perugia (166134 inhabitants)
92 Km SE of Bologna (386663 inhabitants)
92 Km E of Pistoia (90315 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
Reviewed
Rev100 		ML 1.1 2020-02-18
04:27:47		 43.8548 12.0647 11 2020-02-18
04:32:05		 Sala Sismica INGV-Roma 76616451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 04:27:47 ± 0.13
Latitude 43.8548 ± 0.0081
Longitude 12.0647 ± 0.0100
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76616451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1040
Semi-minor axis of confidence ellipse (meter) 540
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44516
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 76616451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 04:32:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RONT.HHZ. 2020-02-18T04:28:02.34 3.0 undecidable manual S -0.08 0
IV.LMD.HHZ. 2020-02-18T04:28:00.50 0.3 undecidable manual S 311 37.7289 50 0.41 67
IV.CRE.HHZ. 2020-02-18T04:27:57.58 0.1 undecidable manual S 199 27.6501 50 0.17 96
IV.PARC.HHZ. 2020-02-18T04:27:57.33 0.1 undecidable manual S 149 26.751 50 0.16 96
IV.ASQU.HHZ. 2020-02-18T04:27:56.15 0.1 undecidable manual S 254 22.9548 50 0 100
IV.NARO.HHZ. 2020-02-18T04:27:56.46 0.1 undecidable manual P 123 49.4172 50 -0.13 93
IV.SFI.EHZ. 2020-02-18T04:27:55.18 0.1 undecidable manual S 288 18.2706 50 0.28 95
IV.PE3.EHZ. 2020-02-18T04:27:55.51 0.3 undecidable manual P 117 38.8278 50 0.56 64
IV.LMD.HHZ. 2020-02-18T04:27:54.29 0.1 undecidable manual P 311 37.7289 50 -0.5 88
IV.PARC.HHZ. 2020-02-18T04:27:52.90 0.1 positive manual P 149 26.751 50 -0.2 95
IV.CRE.HHZ. 2020-02-18T04:27:52.98 0.1 undecidable manual P 199 27.6501 50 -0.26 94
IV.ASQU.HHZ. 2020-02-18T04:27:52.33 0.1 undecidable manual P 254 22.9548 50 -0.18 96
IV.SFI.EHZ. 2020-02-18T04:27:51.73 0.1 negative manual P 288 18.2706 50 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:0.8 0.0000477 0.84 AML other m 2020-02-18T04:27:55.51
IV.ASQU.HHE. ML:1.4 0.0001535 0.22 AML other m 2020-02-18T04:27:56.36
IV.ASQU.HHN. ML:1.4 0.00014600000000000003 0.26 AML other m 2020-02-18T04:27:56.50
IV.SFI.EHE. ML:0.8 0.0000475 1.56 AML other m 2020-02-18T04:27:56.78
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