Earthquake with magnitude of ML 1.2 on date 18-08-2019 and time 00:19:42 (Italy) in region 7 km SE Premilcuore (FC)

A magnitude ML 1.2 earthquake occured in region: 7 km SE Premilcuore (FC), on

  • 17-08-2019 22:19:42 (UTC)
  • 18-08-2019 00:19:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.928, 11.825 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
Premilcuore FC 7 799 799
Santa Sofia FC 7 4136 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 16 1167 21096
Pratovecchio Stia AR 17 5845 26941
Tredozio FC 18 1212 28153

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Forlì (117913 inhabitants)
40 Km S of Faenza (58541 inhabitants)
41 Km SW of Cesena (96758 inhabitants)
48 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)
58 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)
74 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 1.2 2019-08-17
22:19:42
43.9275 11.8248 8 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73280291
Reviewed
Rev100
ML 1.2 2019-08-17
22:19:43
43.9348 11.8083 9 2019-08-17
22:25:13
Sala Sismica INGV-Roma 71583951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-17 22:19:42 ± 0.09
Latitude 43.9275 ± 0.0036
Longitude 11.8248 ± 0.0087
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 73280291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 720
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 73280291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-16 01:02:09

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71583951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-17 22:25:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2019-08-17T22:20:14.94 3.0 undecidable manual S -2.96 0
IV.BRIS.HHZ. 2019-08-17T22:19:55.28 0.3 undecidable manual S 352 0.2995 104 0.42 65
IV.CRE.HHZ. 2019-08-17T22:19:55.89 0.3 undecidable manual S 163 0.322 50 0.29 67
IV.RUFI.EHZ. 2019-08-17T22:19:52.87 0.3 undecidable manual S 249 0.2437 107 0.08 71
IV.SEI.HHZ. 2019-08-17T22:19:50.55 0.3 undecidable manual P 291 0.3588 50 -0.34 66
IV.LMD.HHZ. 2019-08-17T22:19:50.05 0.6 undecidable manual S 331 0.1718 113 -0.13 47
IV.CRE.HHZ. 2019-08-17T22:19:49.96 0.1 undecidable manual P 163 0.322 50 -0.3 89
IV.BRIS.HHZ. 2019-08-17T22:19:49.87 0.3 undecidable manual P 352 0.2995 104 0.03 71
IV.RUFI.EHZ. 2019-08-17T22:19:48.65 0.1 undecidable manual P 249 0.2437 107 0.01 96
IV.ASQU.HHZ. 2019-08-17T22:19:48.85 0.6 undecidable manual S 191 0.1331 119 0.02 49
IV.LMD.HHZ. 2019-08-17T22:19:47.02 0.1 undecidable manual P 331 0.1718 113 -0.11 95
IV.ASQU.HHZ. 2019-08-17T22:19:46.66 0.1 undecidable manual P 191 0.1331 119 0.3 92
IV.SFI.EHZ. 2019-08-17T22:19:45.74 0.3 undecidable manual S 145 0.0279 159 -0.26 71
IV.SFI.EHZ. 2019-08-17T22:19:44.72 0.1 undecidable manual P 145 0.0279 159 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:1.2 0.000149 0.16 AML other m 2019-08-17T22:19:51.76
IV.ASQU.HHE. ML:1.1 0.0001205 1.44 AML other m 2019-08-17T22:19:51.05
IV.LMD.HHE. ML:1.4 0.0001845 1.46 AML other m 2019-08-17T22:19:52.08
IV.LMD.HHN. ML:1.3 0.0001545 0.16 AML other m 2019-08-17T22:19:52.80
IV.BRIS.HHE. ML:1.1 6.005E-5 1.24 AML other m 2019-08-17T22:19:57.24
IV.CRE.HHN. ML:1.4 9.335E-5 1.78 AML other m 2019-08-17T22:19:57.97
IV.BRIS.HHN. ML:1.2 6.81E-5 0.44 AML other m 2019-08-17T22:19:58.40
IV.CRE.HHE. ML:0.8 2.66E-5 0.18 AML other m 2019-08-17T22:19:58.53
IV.SEI.HHE. ML:1.2 5.27E-5 0.6 AML other m 2019-08-17T22:20:00.19
IV.SEI.HHN. ML:1.4 8.48E-5 0.54 AML other m 2019-08-17T22:20:02.39
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