Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 30-01-2020 and time 10:29:32 (Italy) in region 5 km W Santa Sofia (FC)

A magnitude ML 0.7 earthquake occured in region: 5 km W Santa Sofia (FC), on

  • 30-01-2020 09:29:32 (UTC)
  • 30-01-2020 10:29:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9300, 11.8500 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.

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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
Santa Sofia FC 5 4136 4136
Premilcuore FC 8 799 4935
Galeata FC 9 2516 7451
Civitella di Romagna FC 11 3786 11237
Portico e San Benedetto FC 12 756 11993
Bagno di Romagna FC 13 6026 18019
Rocca San Casciano FC 15 1910 19929
San Godenzo FI 18 1167 21096
Pratovecchio Stia AR 19 5845 26941
Tredozio FC 19 1212 28153
Verghereto FC 20 1907 30060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Forlì (117913 inhabitants)
39 Km SW of Cesena (96758 inhabitants)
40 Km S of Faenza (58541 inhabitants)
48 Km S of Imola (69797 inhabitants)
51 Km E of Firenze (382808 inhabitants)
52 Km N of Arezzo (99543 inhabitants)
57 Km E of Scandicci (50609 inhabitants)
59 Km W of Rimini (147750 inhabitants)
61 Km E of Prato (191150 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
75 Km E of Pistoia (90315 inhabitants)
75 Km SE of Bologna (386663 inhabitants)
80 Km NE of Siena (53903 inhabitants)
85 Km W of Pesaro (94582 inhabitants)
94 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 0.7 2020-01-30
09:29:32		 43.93 11.8497 8 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77617441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-30 09:29:32 ± 0.13
Latitude 43.9300 ± 0.0054
Longitude 11.8497 ± 0.0100
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77617441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 855
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
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) 0.39480
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 77617441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-27 13:49:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPTP.HHZ. 2020-01-30T09:31:29.39 3.0 positive manual Pg 19.620001 0
MN.BNI.HHZ. 2020-01-30T09:31:27.24 3.0 undecidable manual Sn 8.68 0
IV.GALF.HHZ. 2020-01-30T09:31:26.39 3.0 negative manual Pg 19.5 0
CR.ZAG.BHZ. 2020-01-30T09:31:10.94 3.0 undecidable manual Sn 6.72 0
IT.VNF1.HGZ. 2020-01-30T09:31:02.39 3.0 undecidable manual Sg 9.16 0
IV.CAR1.HHZ. 2020-01-30T09:31:02.49 3.0 undecidable manual Pn 7.67 0
GU.BLANC.HHZ. 2020-01-30T09:30:49.86 3.0 negative manual Pg 17.4 0
IV.MAON.HHZ. 2020-01-30T09:30:27.22 3.0 undecidable manual Sg 4.21 0
IV.MNTV.HNZ. 2020-01-30T09:30:18.06 3.0 undecidable manual S 0.76 0
IV.VVLD.HHZ. 2020-01-30T09:30:13.42 3.0 undecidable manual Pn 3.32 0
IV.FOSV.EHZ. 2020-01-30T09:30:00.56 3.0 undecidable manual S -1.36 0
IV.ARVD.HHZ. 2020-01-30T09:29:49.13 3.0 negative manual P 1.93 0
IV.VISG.HHZ. 2020-01-30T09:29:47.49 0.3 undecidable manual S 311 43.8228 50 0.22 67
IV.SEI.HHZ. 2020-01-30T09:29:46.63 0.3 undecidable manual S 290 41.5251 50 -0.03 70
IV.CRE.HHZ. 2020-01-30T09:29:45.22 0.3 undecidable manual S 167 35.4423 50 0.19 68
IV.BRIS.HHN. 2020-01-30T09:29:45.22 0.3 undecidable manual S 349 33.3444 104 0.8 57
IV.CRMI.HHZ. 2020-01-30T09:29:44.93 3.0 undecidable manual P -1.03 0
IV.RONT.HHN. 2020-01-30T09:29:44.82 0.3 undecidable manual S 282 34.0437 50 0.18 69
IV.BRSN.HNZ. 2020-01-30T09:29:41.69 3.0 undecidable manual S -0.83 0
IV.SEI.HHZ. 2020-01-30T09:29:40.28 0.3 undecidable manual P 290 41.5251 50 -0.39 65
IV.VISG.HHZ. 2020-01-30T09:29:40.58 0.3 undecidable manual P 311 43.8228 50 -0.44 64
IV.RONT.HHN. 2020-01-30T09:29:39.36 0.3 undecidable manual P 282 34.0437 50 -0.15 69
IV.CRE.HHZ. 2020-01-30T09:29:39.56 0.3 undecidable manual P 167 35.4423 50 -0.18 69
IV.RINC.HHZ. 2020-01-30T09:29:39.92 0.1 undecidable manual S 256 19.9689 113 -0.09 96
IV.BRIS.HHN. 2020-01-30T09:29:39.10 0.3 undecidable manual P 349 33.3444 104 -0.28 67
IV.ASQU.HHZ. 2020-01-30T09:29:38.95 0.1 undecidable manual S 198 15.5733 118 0.33 92
IV.BRSN.EHZ. 2020-01-30T09:29:37.25 3.0 positive manual P 0.07 0
IV.ASQU.HHZ. 2020-01-30T09:29:36.28 0.1 positive manual P 198 15.5733 118 0.25 93
IV.RINC.HHZ. 2020-01-30T09:29:36.80 0.1 undecidable manual P 256 19.9689 113 -0.03 97
IV.SFI.EHZ. 2020-01-30T09:29:35.23 0.1 undecidable manual S 184 2.7972 161 -0.31 94
IV.SFI.EHZ. 2020-01-30T09:29:34.24 0.1 undecidable manual P 184 2.7972 161 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:0.0 0.0011966762500000001 0.1536 AML other m 2020-01-30T09:29:35.34
IV.SFI.EHN. ML:0.0 0.0012134393 0.1408 AML other m 2020-01-30T09:29:35.35
IV.SFI.HNE. ML:0.0 0.0009856526999999999 0.1408 AML other m 2020-01-30T09:29:35.28
IV.SFI.EHE. ML:0.0 0.0009620053499999999 0.1152 AML other m 2020-01-30T09:29:35.30
IV.ASQU.HHE. ML:0.6 0.000034930814999999995 0.1216 AML other m 2020-01-30T09:29:39.39
IV.ASQU.HHN. ML:0.8 0.000054425245 0.3392 AML other m 2020-01-30T09:29:39.30
IV.RINC.HHE. ML:0.9 0.000053199945 0.32 AML other m 2020-01-30T09:29:40.42
IV.CRE.HHN. ML:0.7 0.000020710705 0.2624 AML other m 2020-01-30T09:29:45.36
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