Earthquake with magnitude of ML 0.9 on date 01-01-2020 and time 16:57:07 (Italy) in region 5 km W Santa Sofia (FC)

A magnitude ML 0.9 earthquake occured in region: 5 km W Santa Sofia (FC), on

  • 01-01-2020 15:57:07 (UTC)
  • 01-01-2020 16:57:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9540, 11.8420 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santa Sofia FC 5 4136 4136
Premilcuore FC 6 799 4935
Galeata FC 7 2516 7451
Portico e San Benedetto FC 9 756 8207
Civitella di Romagna FC 10 3786 11993
Rocca San Casciano FC 12 1910 13903
Bagno di Romagna FC 15 6026 19929
Tredozio FC 16 1212 21141
San Godenzo FI 18 1167 22308
Dovadola FC 19 1653 23961
Predappio FC 20 6346 30307

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Forlì (117913 inhabitants)
37 Km S of Faenza (58541 inhabitants)
38 Km SW of Cesena (96758 inhabitants)
46 Km S of Imola (69797 inhabitants)
51 Km E of Firenze (382808 inhabitants)
54 Km N of Arezzo (99543 inhabitants)
57 Km E of Scandicci (50609 inhabitants)
59 Km SW of Ravenna (159116 inhabitants)
59 Km W of Rimini (147750 inhabitants)
60 Km E of Prato (191150 inhabitants)
72 Km SE of Bologna (386663 inhabitants)
74 Km E of Pistoia (90315 inhabitants)
82 Km NE of Siena (53903 inhabitants)
86 Km W of Pesaro (94582 inhabitants)
95 Km W of Fano (60888 inhabitants)
100 Km S of Ferrara (133155 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 0.9 2020-01-01
15:57:07
43.9543 11.8417 8 2020-01-01
16:04:14
Sala Sismica INGV-Roma 75172161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-01 15:57:07 ± 0.09
Latitude 43.9543 ± 0.0036
Longitude 11.8417 ± 0.0062
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75172161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41908
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 75172161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-01 16:04:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2020-01-01T15:57:22.32 3.0 undecidable manual P -0.42 0
IV.CRE.HHZ. 2020-01-01T15:57:21.15 0.1 undecidable manual S 167 38.2284 50 -0.04 95
IV.RUFI.EHZ. 2020-01-01T15:57:18.38 0.1 undecidable manual S 244 29.5482 106 -0.19 93
IV.PARC.HHN. 2020-01-01T15:57:17.14 0.6 undecidable manual P 137 46.5201 50 0.29 44
IV.ASQU.HHZ. 2020-01-01T15:57:15.13 0.1 undecidable manual S 193 17.9709 115 0.33 92
IV.CRE.HHZ. 2020-01-01T15:57:15.24 0.6 positive manual P 167 38.2284 50 -0.34 44
IV.RINC.HHZ. 2020-01-01T15:57:15.68 0.1 undecidable manual S 248 20.1687 112 0.17 95
IV.LMD.HHZ. 2020-01-01T15:57:14.63 0.1 undecidable manual S 322 17.3715 116 0.03 98
IV.BRIS.HNE. 2020-01-01T15:57:14.46 0.3 undecidable manual P 349 30.5472 105 0.19 70
IV.RUFI.EHZ. 2020-01-01T15:57:13.78 0.6 positive manual P 244 29.5482 106 -0.28 46
IV.RINC.HHZ. 2020-01-01T15:57:12.35 1.0 positive manual P 248 20.1687 112 0.05 24
IV.SFI.EHZ. 2020-01-01T15:57:11.19 0.1 undecidable manual S 176 5.4945 147 -0.2 97
IV.LMD.HHZ. 2020-01-01T15:57:11.71 0.1 positive manual P 322 17.3715 116 -0.07 98
IV.ASQU.HHZ. 2020-01-01T15:57:11.95 0.6 negative manual P 193 17.9709 115 0.06 49
IV.SFI.EHZ. 2020-01-01T15:57:09.88 0.1 undecidable manual P 176 5.4945 147 -0.04 100
IV.IMOL.EHZ. 2020-01-01T15:57:07.67 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.5 0.0006825 0.24 AML other m 2020-01-01T15:57:11.31
IV.SFI.HNE. ML:1.6 0.0007019999999999999 0.24 AML other m 2020-01-01T15:57:11.31
IV.SFI.HNN. ML:1.6 0.000746 0.38 AML other m 2020-01-01T15:57:11.32
IV.SFI.EHN. ML:1.6 0.0007405 0.36 AML other m 2020-01-01T15:57:11.33
IV.LMD.HHE. ML:0.8 0.00006025 0.56 AML other m 2020-01-01T15:57:14.95
IV.LMD.HHN. ML:0.8 0.00006035 0.16 AML other m 2020-01-01T15:57:14.81
IV.ASQU.HHN. ML:0.8 0.000052449999999999994 0.18 AML other m 2020-01-01T15:57:15.33
IV.RINC.HHE. ML:0.7 0.00003535 0.5 AML other m 2020-01-01T15:57:15.66
IV.ASQU.HHE. ML:0.7 0.00003925 0.62 AML other m 2020-01-01T15:57:16.46
IV.RINC.HHN. ML:0.6 0.000028899999999999998 0.72 AML other m 2020-01-01T15:57:20.42
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