Earthquake with magnitude of ML 1.3 on date 18-10-2019 and time 03:45:03 (Italy) in region 3 km SW Forlì (FC)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Forlì (FC), on

  • 18-10-2019 01:45:03 (UTC)
  • 18-10-2019 03:45:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2030, 12.0100 at 30 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
Forlì FC 3 117913 117913
Castrocaro Terme e Terra del Sole FC 6 6426 124339
Meldola FC 9 9970 134309
Forlimpopoli FC 10 13290 147599
Predappio FC 11 6346 153945
Bertinoro FC 12 11059 165004
Dovadola FC 13 1653 166657
Faenza RA 14 58541 225198
Modigliana FC 18 4560 229758
Russi RA 19 12247 242005
Brisighella RA 19 7639 249644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SW of Forlì (117913 inhabitants)
14 Km SE of Faenza (58541 inhabitants)
20 Km W of Cesena (96758 inhabitants)
28 Km SW of Ravenna (159116 inhabitants)
29 Km SE of Imola (69797 inhabitants)
47 Km W of Rimini (147750 inhabitants)
62 Km SE of Bologna (386663 inhabitants)
77 Km SE of Ferrara (133155 inhabitants)
77 Km NE of Firenze (382808 inhabitants)
79 Km W of Pesaro (94582 inhabitants)
81 Km E of Prato (191150 inhabitants)
83 Km N of Arezzo (99543 inhabitants)
83 Km NE of Scandicci (50609 inhabitants)
90 Km W of Fano (60888 inhabitants)
92 Km E of Pistoia (90315 inhabitants)
98 Km S of Rovigo (51867 inhabitants)
99 Km E 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
Bulletin
Rev1000
ML 1.3 2019-10-18
01:45:03
44.2033 12.0097 31 2020-02-28
16:42:13
Bollettino Sismico Italiano INGV 74580091
Reviewed
Rev100
ML 1.1 2019-10-18
01:45:04
44.1395 12.0345 9 2019-10-18
02:01:19
Sala Sismica INGV-Roma 73316501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-18 01:45:03 ± 0.3
Latitude 44.2033 ± 0.0090
Longitude 12.0097 ± 0.0151
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74580091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1130
Semi-minor axis of confidence ellipse (meter) 834
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.57826
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 74580091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-12 13:26:57

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 73316501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-18 02:01:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2019-10-18T01:45:23.86 0.3 undecidable manual S 163 64.1913 110 0.2 69
IV.ASQU.HHZ. 2019-10-18T01:45:20.06 0.6 undecidable manual S 201 48.4182 117 0.27 47
IV.SFI.EHZ. 2019-10-18T01:45:16.52 0.6 undecidable manual S 201 35.5422 126 -0.34 47
IV.LMD.HHZ. 2019-10-18T01:45:15.11 0.6 undecidable manual S 240 27.8499 134 -0.16 50
IV.PARC.HHZ. 2019-10-18T01:45:15.05 0.3 undecidable manual P 163 64.1913 110 0.07 72
IV.BRIS.HHZ. 2019-10-18T01:45:14.19 0.6 undecidable manual S 277 19.4694 144 0.4 48
IV.BRSN.EHZ. 2019-10-18T01:45:12.52 0.3 undecidable manual S 32 10.5783 159 -0.14 78
IV.ASQU.HHZ. 2019-10-18T01:45:12.92 0.1 undecidable manual P 201 48.4182 117 0.17 96
IV.SFI.EHZ. 2019-10-18T01:45:10.84 0.1 undecidable manual P 201 35.5422 126 -0.22 96
IV.LMD.HHZ. 2019-10-18T01:45:10.01 0.1 undecidable manual P 240 27.8499 134 -0.13 100
IV.BRIS.HHZ. 2019-10-18T01:45:09.60 0.1 undecidable manual P 277 19.4694 144 0.31 98
IV.BRSN.EHZ. 2019-10-18T01:45:08.34 0.1 negative manual P 32 10.5783 159 -0.29 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.EHE. ML:1.4 0.000102844645 0.36 AML other m 2019-10-18T01:45:12.23
IV.BRSN.EHN. ML:1.6 0.000180662665 0.28 AML other m 2019-10-18T01:45:12.73
IV.BRSN.HNE. ML:1.5 0.0001456575 0.4 AML other m 2019-10-18T01:45:12.79
IV.BRIS.HNN. ML:1.7 0.00019988645 0.5992 AML other m 2019-10-18T01:45:14.14
IV.SFI.HNN. ML:1.6 0.000114173995 0.74 AML other m 2019-10-18T01:45:14.23
IV.LMD.HHE. ML:1.2 0.000054920255 0.22 AML other m 2019-10-18T01:45:15.79
IV.LMD.HHN. ML:1.2 0.00005346463 0.16 AML other m 2019-10-18T01:45:16.46
IV.SFI.EHN. ML:1.1 0.00003277921 0.16 AML other m 2019-10-18T01:45:17.38
IV.SFI.EHE. ML:0.9 0.00002431064 0.24 AML other m 2019-10-18T01:45:17.64
IV.BRIS.HHN. ML:0.9 0.000027612145 1.68 AML other m 2019-10-18T01:45:17.96
IV.SFI.HNE. ML:1.5 0.00010113337 0.6 AML other m 2019-10-18T01:45:18.14
IV.BRIS.HHE. ML:0.8 0.000026190869999999998 0.24 AML other m 2019-10-18T01:45:18.17
IV.ASQU.HHN. ML:1.0 0.000023149525 0.42 AML other m 2019-10-18T01:45:20.97
IV.BRSN.HNN. ML:1.6 0.00020898529999999999 0.7392 AML other m 2019-10-18T01:45:21.23
IV.ASQU.HHE. ML:1.0 0.00001979352 0.22 AML other m 2019-10-18T01:45:21.31
IV.BRIS.HNE. ML:1.3 0.0000875318 0.56 AML other m 2019-10-18T01:45:23.78
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