Earthquake with magnitude of ML 1.7 on date 10-02-2019 and time 20:31:37 (Italy) in region 9 km SE Marradi (FI)

A magnitude ML 1.7 earthquake occured in region: 9 km SE Marradi (FI), on

  • 10-02-2019 19:31:37 (UTC)
  • 10-02-2019 20:31:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44, 11.67 at 4 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
Marradi FI 9 3139 3139
Premilcuore FC 9 799 3938
San Godenzo FI 9 1167 5105
Portico e San Benedetto FC 10 756 5861
Tredozio FC 11 1212 7073
Palazzuolo sul Senio FI 15 1154 8227
Rocca San Casciano FC 16 1910 10137
Dicomano FI 17 5515 15652
Londa FI 18 1840 17492
Vicchio FI 18 8044 25536
Galeata FC 20 2516 28052
Modigliana FC 20 4560 32612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Faenza (58541 inhabitants)
39 Km SW of Forlì (117913 inhabitants)
39 Km S of Imola (69797 inhabitants)
42 Km NE of Firenze (382808 inhabitants)
47 Km NE of Scandicci (50609 inhabitants)
48 Km E of Prato (191150 inhabitants)
48 Km W of Cesena (96758 inhabitants)
60 Km E of Pistoia (90315 inhabitants)
61 Km SE of Bologna (386663 inhabitants)
62 Km N of Arezzo (99543 inhabitants)
63 Km SW of Ravenna (159116 inhabitants)
72 Km W of Rimini (147750 inhabitants)
81 Km NE of Siena (53903 inhabitants)
93 Km SE of Modena (184973 inhabitants)
93 Km S of Ferrara (133155 inhabitants)
95 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
Rev 1000 ML 1.7 2019-02-10
19:31:37
44 11.67 4 2019-08-22
08:24:50
Bollettino Sismico Italiano INGV 65765461
Rev 100 ML 1.7 2019-02-10
19:31:37
44.01 11.67 5 2019-02-10
19:40:11
Sala Sismica INGV-Roma 65388751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-10 19:31:37 ± 0.08
Latitude 44.00 ± 0.00
Longitude 11.67 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65765461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 22
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
Epicentral distance of station farthest from the epicenter (degree) 0.87504
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 65765461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-21 15:44:44

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 65388751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-10 19:40:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FROS.CHE. 2019-02-10T19:31:55.37 0.6 undecidable manual P 205 0.875 50 0.44 40
IV.BRSN.HNE. 2019-02-10T19:31:55.86 3.0 undecidable manual P 0.4083 9.17 0
IV.APEC.HHZ. 2019-02-10T19:31:54.76 3.0 undecidable manual P 1.89 0
IV.FIR.HHZ. 2019-02-10T19:31:53.06 3.0 undecidable manual P 0.375 7.11 0
IV.MOCL.EHZ. 2019-02-10T19:31:50.70 0.3 undecidable manual S 270 0.3498 95 -0.41 68
IV.SSP9.EHZ. 2019-02-10T19:31:49.10 1.0 undecidable manual P 142 0.545 50 -0.17 23
IV.OSSC.HNE. 2019-02-10T19:31:49.40 0.6 undecidable manual P 212 0.5684 50 -0.27 44
IV.CRMI.HNN. 2019-02-10T19:31:49.42 1.0 undecidable manual P 247 0.5369 50 0.29 22
IV.PARC.HHE. 2019-02-10T19:31:48.66 1.0 undecidable manual P 131 0.5441 50 -0.6 20
IV.BRIS.HHZ. 2019-02-10T19:31:47.00 0.3 undecidable manual S 18 0.232 98 0.39 70
IV.MPPT.EHN. 2019-02-10T19:31:47.02 0.6 undecidable manual P 264 0.4173 95 0.13 47
IV.MTRZ.HNN. 2019-02-10T19:31:46.36 0.6 undecidable manual P 331 0.3543 95 0.86 38
IV.SEI.HHZ. 2019-02-10T19:31:46.70 0.3 undecidable manual S 283 0.2275 98 0.27 71
IV.ASQU.HHZ. 2019-02-10T19:31:46.30 0.3 undecidable manual S 157 0.2248 98 -0.05 75
IV.MOCL.EHZ. 2019-02-10T19:31:45.04 0.1 undecidable manual P 270 0.3498 95 -0.35 91
IV.RUFI.EHZ. 2019-02-10T19:31:45.88 0.6 undecidable manual S 214 0.2005 99 0.46 46
IV.IMOL.EHZ. 2019-02-10T19:31:45.56 1.0 undecidable manual P 9 0.3597 95 -0.06 24
IV.SFI.EHZ. 2019-02-10T19:31:44.21 0.3 undecidable manual S 127 0.1628 102 0.22 73
IV.ASQU.HHZ. 2019-02-10T19:31:42.56 0.1 positive manual P 157 0.2248 98 -0.08 99
IV.BRIS.HHZ. 2019-02-10T19:31:42.77 0.1 positive manual P 18 0.232 98 -0.03 100
IV.RUFI.EHZ. 2019-02-10T19:31:42.22 0.1 positive manual P 214 0.2005 99 0.11 99
IV.SEI.HHZ. 2019-02-10T19:31:42.61 0.1 negative manual P 283 0.2275 98 -0.09 99
IV.SFI.EHZ. 2019-02-10T19:31:41.16 0.3 undecidable manual P 127 0.1628 102 -0.13 74
IV.LMD.HHZ. 2019-02-10T19:31:40.72 0.3 undecidable manual S 21 0.0791 113 -0.18 75
IV.LMD.HHZ. 2019-02-10T19:31:39.28 0.1 undecidable manual P 21 0.0791 113 -0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0 0.001390345 0.2048 AML other m 2019-02-10T19:31:41.82
IV.LMD.HHN. ML:0 0.001411372 0.1792 AML other m 2019-02-10T19:31:41.79
IV.SFI.EHN. ML:1.4 0.00025279165 0.1024 AML other m 2019-02-10T19:31:45.17
IV.SFI.HNE. ML:1.3 0.0001964415 0.0896 AML other m 2019-02-10T19:31:45.61
IV.SFI.EHE. ML:1.3 0.00018790245 0.0896 AML other m 2019-02-10T19:31:45.61
IV.SFI.HNN. ML:1.5 0.0002771432 0.2304 AML other m 2019-02-10T19:31:46.18
IV.RUFI.EHN. ML:1.2 0.0001079495 0.1664 AML other m 2019-02-10T19:31:46.39
IV.RUFI.EHE. ML:1 8.239641E-5 0.2816 AML other m 2019-02-10T19:31:47.14
IV.ASQU.HHN. ML:1.6 0.000275499 0.2304 AML other m 2019-02-10T19:31:46.96
IV.ASQU.HHE. ML:1.5 0.0001864336 0.2176 AML other m 2019-02-10T19:31:47.09
IV.SEI.HHE. ML:1.9 0.0005894759 0.2816 AML other m 2019-02-10T19:31:47.53
IV.SEI.HHN. ML:2.3 0.001183656 0.1792 AML other m 2019-02-10T19:31:47.17
IV.BRIS.HNN. ML:2 0.00054980325 0.4736 AML other m 2019-02-10T19:31:51.12
IV.BRIS.HHN. ML:1.9 0.0005467692 0.384 AML other m 2019-02-10T19:31:48.06
IV.BRIS.HHE. ML:1.9 0.000463792 0.3584 AML other m 2019-02-10T19:31:51.28
IV.BRIS.HNE. ML:1.8 0.00041849225 0.1024 AML other m 2019-02-10T19:31:47.52
IV.MOCL.EHN. ML:1.6 0.00015718445 0.192 AML other m 2019-02-10T19:31:51.55
IV.MOCL.EHE. ML:1.6 0.0001280241 0.1408 AML other m 2019-02-10T19:31:51.50
IV.IMOL.HNE. ML:1.8 0.00024483835 0.3328 AML other m 2019-02-10T19:31:54.48
IV.IMOL.HNN. ML:1.8 0.00022657465 0.064 AML other m 2019-02-10T19:31:57.18
IV.FIR.HNE. ML:1.9 0.00028643165 0.0768 AML other m 2019-02-10T19:31:56.71
IV.FIR.HHN. ML:2 0.0003496263 0.0768 AML other m 2019-02-10T19:32:03.78
IV.FIR.HNN. ML:2 0.0003298679 0.0768 AML other m 2019-02-10T19:32:03.78
IV.FIR.HHE. ML:2 0.00031518895 0.064 AML other m 2019-02-10T19:31:56.70
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