Earthquake with magnitude of ML 1.2 on date 04-08-2019 and time 11:41:15 (Italy) in region 3 km SW Castrocaro Terme e Terra del Sole (FC)

A magnitude ML 1.2 earthquake occured in region: 3 km SW Castrocaro Terme e Terra del Sole (FC), on

  • 04-08-2019 09:41:15 (UTC)
  • 04-08-2019 11:41:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.16, 11.92 at 40 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
Castrocaro Terme e Terra del Sole FC 3 6426 6426
Dovadola FC 5 1653 8079
Predappio FC 8 6346 14425
Modigliana FC 11 4560 18985
Meldola FC 11 9970 28955
Forlì FC 12 117913 146868
Rocca San Casciano FC 12 1910 148778
Brisighella RA 14 7639 156417
Faenza RA 15 58541 214958
Forlimpopoli FC 17 13290 228248
Civitella di Romagna FC 17 3786 232034
Bertinoro FC 17 11059 243093
Tredozio FC 17 1212 244305
Galeata FC 18 2516 246821
Portico e San Benedetto FC 19 756 247577

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Forlì (117913 inhabitants)
15 Km S of Faenza (58541 inhabitants)
26 Km W of Cesena (96758 inhabitants)
28 Km SE of Imola (69797 inhabitants)
36 Km SW of Ravenna (159116 inhabitants)
52 Km W of Rimini (147750 inhabitants)
60 Km SE of Bologna (386663 inhabitants)
69 Km NE of Firenze (382808 inhabitants)
73 Km E of Prato (191150 inhabitants)
74 Km NE of Scandicci (50609 inhabitants)
77 Km N of Arezzo (99543 inhabitants)
79 Km SE of Ferrara (133155 inhabitants)
84 Km W of Pesaro (94582 inhabitants)
84 Km E of Pistoia (90315 inhabitants)
94 Km W of Fano (60888 inhabitants)
96 Km SE of Modena (184973 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
Rev 1000 ML 1.2 2019-08-04
09:41:15
44.16 11.92 40 2019-11-13
14:31:06
Bollettino Sismico Italiano INGV 73266481
Rev 100 ML 1.0 2019-08-04
09:41:16
44.12 12.1 10 2019-08-04
10:01:24
Sala Sismica INGV-Roma 71158061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-04 09:41:15 ± 0.74
Latitude 44.16 ± 0.03
Longitude 11.92 ± 0.06
Depth (km) 40 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73266481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4658
Semi-minor axis of confidence ellipse (meter) 3286
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 4660
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 5
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 73266481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-15 10:48:35

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71158061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-04 10:01:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VBKN.HHZ. 2019-08-04T09:43:06.79 3.0 undecidable manual Sg 9.58 0
IV.COLB.HHZ. 2019-08-04T09:42:55.32 3.0 undecidable manual Sn 0.33 0
IV.MRB1.HHZ. 2019-08-04T09:42:53.58 3.0 undecidable manual Sn -3.06 0
IV.SLCN.HHZ. 2019-08-04T09:42:30.48 3.0 undecidable manual Pg 7.87 0
IV.VBKN.HHZ. 2019-08-04T09:42:26.22 3.0 negative manual Pg 15.45 0
OX.ACOM.HHZ. 2019-08-04T09:42:23.19 3.0 undecidable manual Sn 1.03 0
IX.MNT3.HHZ.02 2019-08-04T09:42:23.34 3.0 negative manual Pg 9.48 0
IV.DGI.HHZ. 2019-08-04T09:42:21.19 3.0 undecidable manual Pg 7.27 0
IT.OPI.HGZ. 2019-08-04T09:42:04.55 3.0 undecidable manual Pg 8 0
IV.MRB1.HHZ. 2019-08-04T09:42:03.68 3.0 positive manual Pn -6.77 0
IV.SGG.HHZ. 2019-08-04T09:41:59.84 3.0 negative manual Pn -4.19 0
GU.CARD.HHZ. 2019-08-04T09:41:46.20 3.0 undecidable manual Sn 3.62 0
IV.MNTP.HNZ. 2019-08-04T09:41:42.37 3.0 negative manual Pg 2.39 0
IV.ASSB.HHZ. 2019-08-04T09:41:34.15 3.0 undecidable manual Pn -1.88 0
IV.RUFI.EHZ. 2019-08-04T09:41:33.44 0.6 undecidable manual S 223 0.4371 105 0.01 50
IV.MPAG.EHZ. 2019-08-04T09:41:33.43 3.0 undecidable manual Pg 2.65 0
IV.MNTV.HNZ. 2019-08-04T09:41:30.32 3.0 positive manual Pn -0.33 0
IV.IMOL.HNZ. 2019-08-04T09:41:30.43 0.3 undecidable manual S 327 0.2401 134 1.09 54
IV.SFI.EHZ. 2019-08-04T09:41:30.72 0.6 undecidable manual S 193 0.259 131 1.05 39
IV.BRIS.HHZ. 2019-08-04T09:41:27.67 0.6 undecidable manual S 301 0.1313 153 -0.12 51
GU.GSCL.HHZ. 2019-08-04T09:41:27.62 3.0 undecidable manual P 0.21 0
IV.LMD.HHZ. 2019-08-04T09:41:27.78 0.3 undecidable manual S 243 0.1754 145 -0.54 69
IV.PE3.EHZ. 2019-08-04T09:41:27.34 3.0 undecidable manual P -1.21 0
IV.RUFI.EHZ. 2019-08-04T09:41:26.14 0.3 undecidable manual P 223 0.4371 105 0.22 72
IV.IMOL.HNZ. 2019-08-04T09:41:23.58 0.3 undecidable manual P 327 0.2401 134 0.02 78
IV.SFI.EHZ. 2019-08-04T09:41:23.99 0.1 undecidable manual P 193 0.259 131 0.24 100
IV.LMD.HHZ. 2019-08-04T09:41:22.32 0.1 undecidable manual P 243 0.1754 145 -0.65 88
IV.BRIS.HHZ. 2019-08-04T09:41:22.24 0.1 undecidable manual P 301 0.1313 153 -0.43 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHN. ML:1.3 7.065E-5 1.02 AML other m 2019-08-04T09:41:27.94
IV.BRIS.HHE. ML:1.4 8.91E-5 0.38 AML other m 2019-08-04T09:41:28.05
IV.LMD.HHE. ML:1.4 8.14E-5 1.78 AML other m 2019-08-04T09:41:28.07
IV.LMD.HHN. ML:1.4 7.2E-5 0.14 AML other m 2019-08-04T09:41:28.07
IV.SFI.EHN. ML:0 3.57E-5 0.92 AML other m 2019-08-04T09:41:31.08
IV.SFI.EHE. ML:0 4.625E-5 1.22 AML other m 2019-08-04T09:41:31.32
IV.SFI.HNN. ML:1.3 5.814099E-5 0.5408 AML other m 2019-08-04T09:41:31.52
IV.SFI.HNE. ML:1 2.67596945E-5 0.3904 AML other m 2019-08-04T09:41:32.38
IV.RUFI.EHN. ML:1 2.006544E-5 1.3792 AML other m 2019-08-04T09:41:33.91
IV.RUFI.EHE. ML:0.9 1.5548386E-5 1.4368 AML other m 2019-08-04T09:41:35.20
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download