Earthquake with magnitude of ML 0.9 on date 30-01-2020 and time 05:29:00 (Italy) in region 7 km W Santa Sofia (FC)

A magnitude ML 0.9 earthquake occured in region: 7 km W Santa Sofia (FC), on

  • 30-01-2020 04:29:00 (UTC)
  • 30-01-2020 05:29:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9240, 11.8340 at 8 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.

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 7 4136 4136
Premilcuore FC 8 799 4935
Galeata FC 10 2516 7451
Portico e San Benedetto FC 12 756 8207
Civitella di Romagna FC 13 3786 11993
Bagno di Romagna FC 14 6026 18019
Rocca San Casciano FC 15 1910 19929
San Godenzo FI 17 1167 21096
Pratovecchio Stia AR 17 5845 26941
Tredozio FC 19 1212 28153
Verghereto FC 20 1907 30060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Forlì (117913 inhabitants)
40 Km SW of Cesena (96758 inhabitants)
41 Km S of Faenza (58541 inhabitants)
49 Km S of Imola (69797 inhabitants)
49 Km E of Firenze (382808 inhabitants)
51 Km N of Arezzo (99543 inhabitants)
55 Km E of Scandicci (50609 inhabitants)
59 Km E of Prato (191150 inhabitants)
61 Km W of Rimini (147750 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
73 Km E of Pistoia (90315 inhabitants)
75 Km SE of Bologna (386663 inhabitants)
78 Km NE of Siena (53903 inhabitants)
87 Km W of Pesaro (94582 inhabitants)
96 Km W of Fano (60888 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 0.9 2020-01-30
04:29:00
43.9238 11.8343 8 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77153321
Reviewed
Rev100
ML 1.0 2020-01-30
04:29:00
43.9498 11.8543 8 2020-01-30
04:40:12
Sala Sismica INGV-Roma 76019841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-30 04:29:00 ± 0.08
Latitude 43.9238 ± 0.0045
Longitude 11.8343 ± 0.0062
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77153321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 76019841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-30 04:40:12

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77153321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-09 13:27:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHN. 2020-01-30T04:29:16.30 0.6 undecidable manual S 133 44.5221 50 0.47 43
IV.VISG.HHZ. 2020-01-30T04:29:15.67 0.6 undecidable manual S 313 43.4232 50 0.13 46
IV.SEI.HHZ. 2020-01-30T04:29:14.80 0.6 undecidable manual S 291 40.626 50 0 46
IV.BRIS.HNE. 2020-01-30T04:29:13.33 0.3 undecidable manual S 351 33.744 50 0.35 65
IV.CRE.HHZ. 2020-01-30T04:29:13.44 0.6 undecidable manual S 164 35.1426 50 0.11 48
IV.RONT.HHN. 2020-01-30T04:29:12.85 0.6 undecidable manual S 284 32.9448 104 0.14 46
IV.RUFI.EHZ. 2020-01-30T04:29:10.79 0.6 undecidable manual S 250 27.6501 107 -0.15 47
IV.PARC.HHN. 2020-01-30T04:29:09.52 0.3 undecidable manual P 133 44.5221 50 0 70
IV.VISG.HHZ. 2020-01-30T04:29:09.14 0.3 undecidable manual P 313 43.4232 50 -0.21 67
IV.SEI.HHZ. 2020-01-30T04:29:08.56 0.1 positive manual P 291 40.626 50 -0.37 87
IV.BRIS.HNE. 2020-01-30T04:29:08.04 0.3 undecidable manual P 351 33.744 50 0.17 68
IV.RINC.HHZ. 2020-01-30T04:29:08.44 0.3 undecidable manual S 257 18.6702 114 0.44 67
IV.ASQU.HHZ. 2020-01-30T04:29:07.00 0.6 undecidable manual S 194 14.5743 120 0.26 47
IV.RONT.HHN. 2020-01-30T04:29:07.55 0.1 undecidable manual P 284 32.9448 104 -0.17 93
IV.CRE.HHZ. 2020-01-30T04:29:07.83 0.3 undecidable manual P 164 35.1426 50 -0.25 67
IV.RUFI.EHZ. 2020-01-30T04:29:06.52 0.1 positive manual P 250 27.6501 107 -0.18 93
IV.RINC.HHZ. 2020-01-30T04:29:05.06 0.1 positive manual P 257 18.6702 114 0.06 97
IV.ASQU.HHZ. 2020-01-30T04:29:04.48 0.1 undecidable manual P 194 14.5743 120 0.21 94
IV.SFI.EHZ. 2020-01-30T04:29:03.44 0.6 undecidable manual S 155 2.2977 164 -0.49 47
IV.SFI.EHZ. 2020-01-30T04:29:02.52 0.1 undecidable manual P 155 2.2977 164 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:0.7 0.00005185 0.64 AML other m 2020-01-30T04:29:07.75
IV.ASQU.HHE. ML:0.7 0.00004955 1.08 AML other m 2020-01-30T04:29:08.30
IV.SEI.HHE. ML:1.1 0.000042800000000000004 1.24 AML other m 2020-01-30T04:29:15.88
IV.SEI.HHN. ML:1.2 0.000059399999999999994 0.74 AML other m 2020-01-30T04:29:16.60
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