Earthquake with magnitude of ML 1.2 on date 12-07-2020 and time 00:31:44 (Italy) in region 5 km W Premilcuore (FC)

A magnitude ML 1.2 earthquake occured in region: 5 km W Premilcuore (FC), on

  • 11-07-2020 22:31:44 (UTC)
  • 12-07-2020 00:31:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9810, 11.7130 at 10 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
Premilcuore FC 5 799 799
Portico e San Benedetto FC 8 756 1555
San Godenzo FI 10 1167 2722
Tredozio FC 11 1212 3934
Marradi FI 13 3139 7073
Rocca San Casciano FC 14 1910 8983
Galeata FC 16 2516 11499
Santa Sofia FC 16 4136 15635
Londa FI 18 1840 17475
Dicomano FI 18 5515 22990
Civitella di Romagna FC 18 3786 26776
Palazzuolo sul Senio FI 20 1154 27930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Faenza (58541 inhabitants)
38 Km SW of Forlì (117913 inhabitants)
42 Km S of Imola (69797 inhabitants)
43 Km NE of Firenze (382808 inhabitants)
46 Km W of Cesena (96758 inhabitants)
49 Km NE of Scandicci (50609 inhabitants)
51 Km E of Prato (191150 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
64 Km SE of Bologna (386663 inhabitants)
69 Km W of Rimini (147750 inhabitants)
80 Km NE of Siena (53903 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
97 Km W of Pesaro (94582 inhabitants)
97 Km SE of Modena (184973 inhabitants)
98 Km E of Lucca (89046 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 1.2 2020-07-11
22:31:44
43.981 11.7132 10 2020-07-11
22:36:41
Sala Sismica INGV-Roma 80964101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-11 22:31:44 ± 0.04
Latitude 43.9810 ± 0.0018
Longitude 11.7132 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80964101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 282
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80964101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-11 22:36:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2020-07-11T22:31:58.96 0.3 undecidable manual S 154 44.5221 50 0.17 69
IV.SEI.HHZ. 2020-07-11T22:31:54.85 0.3 undecidable manual S 286 29.4483 50 0.08 72
IV.RONT.HHZ. 2020-07-11T22:31:53.01 0.3 undecidable manual S 274 22.3554 114 0.2 71
IV.ASQU.HHZ. 2020-07-11T22:31:52.35 0.3 undecidable manual S 163 21.3675 116 -0.12 73
IV.CRE.HHZ. 2020-07-11T22:31:52.62 0.1 undecidable manual P 154 44.5221 50 -0.03 95
IV.RUFI.EHZ. 2020-07-11T22:31:52.70 0.3 undecidable manual S 226 22.755 114 -0.21 71
IV.SFI.EHZ. 2020-07-11T22:31:50.24 0.1 undecidable manual S 128 13.6752 127 0.07 99
IV.SEI.HHZ. 2020-07-11T22:31:50.20 0.1 undecidable manual P 286 29.4483 50 -0.13 95
IV.VISG.HHZ. 2020-07-11T22:31:50.63 0.1 undecidable manual P 316 32.0457 50 -0.1 95
IV.LMD.HHZ. 2020-07-11T22:31:49.32 0.1 undecidable manual S 358 10.6782 134 -0.08 99
IV.RONT.HHZ. 2020-07-11T22:31:49.26 0.1 undecidable manual P 274 22.3554 114 0.06 98
IV.RUFI.EHZ. 2020-07-11T22:31:49.14 0.6 undecidable manual P 226 22.755 114 -0.12 48
IV.ASQU.HHZ. 2020-07-11T22:31:48.90 0.1 undecidable manual P 163 21.3675 116 -0.1 97
IV.LMD.HHZ. 2020-07-11T22:31:47.28 0.1 undecidable manual P 358 10.6782 134 0.05 100
IV.SFI.EHZ. 2020-07-11T22:31:47.73 0.1 undecidable manual P 128 13.6752 127 0.05 100
IV.RINC.HHZ. 2020-07-11T22:31:47.84 0.1 undecidable manual P 219 13.4754 127 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.4 0.00033 0.14 AML other m 2020-07-11T22:31:49.45
IV.LMD.HHE. ML:1.4 0.0002925 0.3 AML other m 2020-07-11T22:31:49.53
IV.SFI.EHE. ML:1.3 0.000208 0.14 AML other m 2020-07-11T22:31:50.31
IV.SFI.EHN. ML:1.0 0.00011 0.16 AML other m 2020-07-11T22:31:50.30
IV.RINC.HHE. ML:0.6 0.000041349999999999995 0.12 AML other m 2020-07-11T22:31:50.79
IV.RINC.HHN. ML:0.5 0.00003275 0.7 AML other m 2020-07-11T22:31:50.90
IV.ASQU.HHE. ML:1.2 0.0001023 0.24 AML other m 2020-07-11T22:31:52.53
IV.ASQU.HHN. ML:1.0 0.00007405000000000001 0.26 AML other m 2020-07-11T22:31:52.89
IV.RONT.HHE. ML:1.6 0.000235 1.06 AML other m 2020-07-11T22:31:53.90
IV.RONT.HHN. ML:1.4 0.0001805 0.44 AML other m 2020-07-11T22:31:54.29
IV.SEI.HHN. ML:1.6 0.0001835 0.32 AML other m 2020-07-11T22:31:55.14
IV.SEI.HHE. ML:1.1 0.000061 1.6 AML other m 2020-07-11T22:31:56.11
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