Earthquake with magnitude of ML 0.9 on date 06-12-2019 and time 16:45:42 (UTC) in region 3 km NW Verghereto (FC)

A magnitude ML 0.9 earthquake occured in region: 3 km NW Verghereto (FC), on

  • 06-12-2019 16:45:42 (UTC)
  • 06-12-2019 17:45:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8170, 11.9870 at 16 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
Verghereto FC 3 1907 1907
Bagno di Romagna FC 5 6026 7933
Chiusi della Verna AR 14 2023 9956
Casteldelci RN 14 407 10363
Santa Sofia FC 16 4136 14499
Sarsina FC 17 3446 17945
Pieve Santo Stefano AR 17 3183 21128
Sant'Agata Feltria RN 19 2151 23279
Caprese Michelangelo AR 19 1426 24705
Bibbiena AR 19 12241 36946
Chitignano AR 19 899 37845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Arezzo (99543 inhabitants)
41 Km SW of Cesena (96758 inhabitants)
45 Km S of Forlì (117913 inhabitants)
53 Km S of Faenza (58541 inhabitants)
54 Km SW of Rimini (147750 inhabitants)
59 Km E of Firenze (382808 inhabitants)
64 Km SE of Imola (69797 inhabitants)
65 Km E of Scandicci (50609 inhabitants)
69 Km S of Ravenna (159116 inhabitants)
72 Km E of Prato (191150 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
76 Km NE of Siena (53903 inhabitants)
83 Km W of Fano (60888 inhabitants)
85 Km NW of Perugia (166134 inhabitants)
87 Km E of Pistoia (90315 inhabitants)
91 Km SE of Bologna (386663 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 2019-12-06
16:45:42
43.817 11.9867 16 2020-02-28
16:42:19
Bollettino Sismico Italiano INGV 75764961
Reviewed
Rev100
ML 1.5 2019-12-06
16:45:42
43.8163 11.9782 16 2019-12-06
16:50:45
Sala Sismica INGV-Roma 74382901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-06 16:45:42 ± 0.06
Latitude 43.8170 ± 0.0027
Longitude 11.9867 ± 0.0050
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75764961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 72
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 75764961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-23 09:01:07

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 74382901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-06 16:50:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHE. 2019-12-06T16:45:56.23 0.6 undecidable manual S 149 39.8268 100 0.18 46
IV.LMD.HHE. 2019-12-06T16:45:55.30 0.3 undecidable manual S 322 36.5412 101 0.13 70
IV.RUFI.EHZ. 2019-12-06T16:45:55.45 0.6 undecidable manual S 274 38.2284 101 -0.18 47
IV.PARC.HHE. 2019-12-06T16:45:52.78 0.6 undecidable manual S 133 27.5502 107 -0.05 48
IV.CRE.HHZ. 2019-12-06T16:45:51.57 0.3 undecidable manual S 187 22.1556 113 0.08 73
IV.RUFI.EHZ. 2019-12-06T16:45:50.37 0.3 undecidable manual P 274 38.2284 101 0.15 69
IV.BADI.EHE. 2019-12-06T16:45:50.36 0.6 undecidable manual P 149 39.8268 100 -0.11 47
IV.ASQU.HHZ. 2019-12-06T16:45:49.96 0.3 undecidable manual S 262 15.9729 125 -0.08 74
IV.SFI.EHZ. 2019-12-06T16:45:49.82 0.3 undecidable manual S 311 14.7741 127 0.03 75
IV.LMD.HHE. 2019-12-06T16:45:49.87 0.3 undecidable manual P 322 36.5412 101 -0.09 71
IV.PARC.HHE. 2019-12-06T16:45:48.49 0.3 undecidable manual P 133 27.5502 107 -0.12 71
IV.ASQU.HHZ. 2019-12-06T16:45:47.00 0.1 undecidable manual P 262 15.9729 125 0 99
IV.CRE.HHZ. 2019-12-06T16:45:47.86 0.1 positive manual P 187 22.1556 113 0.02 98
IV.SFI.EHZ. 2019-12-06T16:45:46.85 0.1 negative manual P 311 14.7741 127 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:1.5 0.0002463074 0.2176 AML other m 2019-12-06T16:45:50.15
IV.ASQU.HHN. ML:1.6 0.00031073269999999995 0.1408 AML other m 2019-12-06T16:45:50.18
IV.CRE.HHN. ML:1.6 0.0002206081 0.192 AML other m 2019-12-06T16:45:51.79
IV.CRE.HHE. ML:1.2 0.00009132561 0.2304 AML other m 2019-12-06T16:45:51.96
IV.RUFI.EHE. ML:0.6 0.000014661360499999999 0.192 AML other m 2019-12-06T16:45:55.55
IV.RUFI.EHN. ML:0.6 0.000016086553 1.1392 AML other m 2019-12-06T16:45:55.93
IV.SFI.EHN. ML:0.7 0.000035289125 0.1024 AML other m 2019-12-06T16:45:50.09
IV.SFI.EHE. ML:0.7 0.00003392199 0.0896 AML other m 2019-12-06T16:45:50.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download