Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 24-07-2018 and time 16:00:04 (UTC) in region 3 km NW Verghereto (FC)

A magnitude ML 2.1 earthquake occured in region: 3 km NW Verghereto (FC), on

  • 24-07-2018 16:00:04 (UTC)
  • 24-07-2018 18:00:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8170, 11.9830 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Verghereto FC 3 1907 1907
Bagno di Romagna FC 5 6026 7933
Chiusi della Verna AR 14 2023 9956
Casteldelci RN 14 407 10363
Santa Sofia FC 16 4136 14499
Sarsina FC 17 3446 17945
Pieve Santo Stefano AR 17 3183 21128
Bibbiena AR 19 12241 33369
Sant'Agata Feltria RN 19 2151 35520
Chitignano AR 19 899 36419
Caprese Michelangelo AR 19 1426 37845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Arezzo (99543 inhabitants)
41 Km SW of Cesena (96758 inhabitants)
46 Km S of Forlì (117913 inhabitants)
53 Km S of Faenza (58541 inhabitants)
54 Km SW of Rimini (147750 inhabitants)
59 Km E of Firenze (382808 inhabitants)
64 Km SE of Imola (69797 inhabitants)
65 Km E of Scandicci (50609 inhabitants)
69 Km S of Ravenna (159116 inhabitants)
71 Km E of Prato (191150 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
76 Km NE of Siena (53903 inhabitants)
83 Km W of Fano (60888 inhabitants)
85 Km NW of Perugia (166134 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
91 Km SE of Bologna (386663 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 2.1 2018-07-24
16:00:04		 43.8167 11.9833 11 2019-04-24
14:51:10		 Bollettino Sismico Italiano INGV 66323131
Reviewed
Rev100 		ML 2.1 2018-07-24
16:00:04		 43.8168 11.9743 15 2018-07-24
16:22:15		 Sala Sismica INGV-Roma 59038951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-24 16:00:04 ± 0.05
Latitude 43.8167 ± 0.0009
Longitude 11.9833 ± 0.0012
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66323131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72395
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 59038951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-24 16:22:15

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 66323131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-09 14:07:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2018-07-24T16:01:38.39 3.0 undecidable manual Sg 9.36 0
IV.VENT.EHZ. 2018-07-24T16:01:34.14 3.0 undecidable manual Sn 1.23 0
IV.PTRJ.HNZ. 2018-07-24T16:01:31.98 3.0 undecidable manual Sn 1.82 0
IV.USI.HHZ. 2018-07-24T16:01:19.83 3.0 positive manual Pn -1.52 0
IV.MCRV.HHZ. 2018-07-24T16:01:17.61 3.0 undecidable manual Pg 14.61 0
IV.ZONE.HHZ. 2018-07-24T16:01:14.84 3.0 undecidable manual Sn 2.88 0
OB.GAVE.EHZ. 2018-07-24T16:00:46.30 3.0 undecidable manual S -0.3 0
GU.MAIM.HHZ. 2018-07-24T16:00:25.32 3.0 negative manual P 0.38 0
IV.ARCI.HHZ. 2018-07-24T16:00:24.63 3.0 undecidable manual P 0.28 0
IV.SACS.HHZ. 2018-07-24T16:00:23.62 3.0 negative manual P 0.13 0
IV.ATPI.EHZ. 2018-07-24T16:00:21.65 0.3 undecidable manual S 140 52.7028 90 0.4 66
IV.CRMI.HHZ. 2018-07-24T16:00:18.85 0.3 undecidable manual P 269 80.364 90 0.32 63
IV.RUFI.EHZ. 2018-07-24T16:00:17.16 0.6 undecidable manual S 274 38.0286 90 -0.16 47
IV.ATTE.HHZ. 2018-07-24T16:00:17.76 0.6 undecidable manual P 156 74.8695 90 0.1 45
IV.IMOL.HNZ. 2018-07-24T16:00:16.52 0.6 undecidable manual P 342 63.1923 90 0.64 40
IV.LMD.HHZ. 2018-07-24T16:00:16.78 0.3 undecidable manual S 323 36.3414 90 -0.1 72
IV.CSNT.HHZ. 2018-07-24T16:00:16.81 0.6 undecidable manual P 236 67.4769 90 0.28 44
IV.OSSC.HNE. 2018-07-24T16:00:16.26 0.1 undecidable manual P 241 67.4769 90 -0.29 87
IV.ATMI.HHZ. 2018-07-24T16:00:15.53 0.6 undecidable manual P 157 58.1973 90 0.42 43
IV.CAFI.HHZ. 2018-07-24T16:00:14.27 0.1 undecidable manual P 181 54.1014 90 -0.2 90
IV.ATPI.EHZ. 2018-07-24T16:00:14.23 0.3 undecidable manual P 140 52.7028 90 -0.03 70
IV.BRSN.HNE. 2018-07-24T16:00:14.54 0.6 undecidable manual P 8 52.4031 90 0.32 45
IV.SEI.HHZ. 2018-07-24T16:00:14.89 0.3 undecidable manual P 298 56.3991 90 0.05 70
IV.BLLA.EHE. 2018-07-24T16:00:14.28 0.1 undecidable manual P 47 53.1024 90 -0.04 94
IV.PARC.HHZ. 2018-07-24T16:00:14.30 0.6 undecidable manual S 132 27.6501 90 -0.26 47
IV.BRIS.HHZ. 2018-07-24T16:00:13.58 0.3 undecidable manual P 339 48.4182 90 -0.03 72
IV.CRE.HHZ. 2018-07-24T16:00:13.10 0.6 undecidable manual S 187 22.0668 90 0.03 50
IV.PE3.EHZ. 2018-07-24T16:00:12.53 0.6 undecidable manual P 108 43.2234 90 -0.27 45
IV.ATMC.EHE. 2018-07-24T16:00:12.65 0.1 undecidable manual P 158 44.3223 90 -0.32 90
IV.BADI.EHE. 2018-07-24T16:00:12.52 0.1 undecidable manual P 148 39.9267 90 0.22 94
IV.SFI.HNZ. 2018-07-24T16:00:11.04 0.3 undecidable manual S 312 14.6742 90 -0.05 76
IV.ASQU.HHE. 2018-07-24T16:00:11.57 0.3 undecidable manual S 262 15.6732 90 0.2 73
IV.LMD.HHZ. 2018-07-24T16:00:11.31 0.6 undecidable manual P 323 36.3414 90 -0.44 45
IV.RUFI.EHZ. 2018-07-24T16:00:11.66 0.6 positive manual P 274 38.0286 90 -0.34 46
IV.PARC.HHZ. 2018-07-24T16:00:10.18 0.3 undecidable manual P 132 27.6501 90 -0.22 71
IV.CPGN.EHZ. 2018-07-24T16:00:10.25 0.6 undecidable manual P 94 27.0507 90 -0.05 49
IV.CRE.HHZ. 2018-07-24T16:00:09.53 0.1 undecidable manual P 187 22.0668 90 -0.01 99
IV.SFI.HNZ. 2018-07-24T16:00:08.31 0.1 negative manual P 312 14.6742 90 -0.09 100
IV.ASQU.HHE. 2018-07-24T16:00:08.71 0.1 undecidable manual P 262 15.6732 90 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:2.3 0.00193 0.2 AML other m 2018-07-24T16:00:11.39
IV.SFI.HNN. ML:2.3 0.0019199999999999998 0.2 AML other m 2018-07-24T16:00:11.39
IV.SFI.EHE. ML:2.3 0.0019649999999999997 0.2 AML other m 2018-07-24T16:00:11.40
IV.SFI.EHN. ML:2.3 0.001925 0.2 AML other m 2018-07-24T16:00:11.40
IV.PARC.HHN. ML:2.0 0.000475 0.48 AML other m 2018-07-24T16:00:14.65
IV.PARC.HHE. ML:1.9 0.000439 0.16 AML other m 2018-07-24T16:00:14.85
IV.LMD.HHE. ML:2.2 0.000648 1.72 AML other m 2018-07-24T16:00:16.00
IV.RUFI.EHN. ML:1.9 0.0003055 0.94 AML other m 2018-07-24T16:00:17.99
IV.RUFI.EHE. ML:2.0 0.000382 0.22 AML other m 2018-07-24T16:00:17.43
IV.LMD.HHN. ML:2.3 0.000833 1.42 AML other m 2018-07-24T16:00:17.00
IV.CPGN.EHN. ML:1.9 0.0003925 1.24 AML other m 2018-07-24T16:00:17.12
IV.BRIS.HHN. ML:2.2 0.000474 0.34 AML other m 2018-07-24T16:00:21.38
IV.BRIS.HHE. ML:2.2 0.00042699999999999997 0.24 AML other m 2018-07-24T16:00:22.27
IV.CPGN.EHE. ML:2.0 0.000486 0.94 AML other m 2018-07-24T16:00:25.57
IV.SEI.HHN. ML:2.3 0.00047799999999999996 1.64 AML other m 2018-07-24T16:00:26.05
IV.ATTE.HHN. ML:2.1 0.0001975 1.1 AML other m 2018-07-24T16:00:31.78
IV.SEI.HHE. ML:2.1 0.000307 0.44 AML other m 2018-07-24T16:00:31.32
IV.CRMI.HHN. ML:1.8 0.00008405 0.9 AML other m 2018-07-24T16:00:31.50
IV.ATTE.HHE. ML:2.0 0.00014850000000000003 0.9 AML other m 2018-07-24T16:00:37.07
IV.CRMI.HHE. ML:1.7 0.0000733 1.32 AML other m 2018-07-24T16:00:37.66
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
Waveforms Seismic signals in miniseed + resp format Download