Earthquake with magnitude of ML 1.6 on date 03-05-2018 and time 20:51:35 (Italy) in region 3 km SW Tredozio (FC)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Tredozio (FC), on

  • 03-05-2018 18:51:35 (UTC)
  • 03-05-2018 20:51:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.06, 11.72 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
Tredozio FC 3 1212 1212
Portico e San Benedetto FC 6 756 1968
Marradi FI 9 3139 5107
Rocca San Casciano FC 10 1910 7017
Premilcuore FC 10 799 7816
Modigliana FC 12 4560 12376
Palazzuolo sul Senio FI 15 1154 13530
Dovadola FC 15 1653 15183
San Godenzo FI 17 1167 16350
Galeata FC 17 2516 18866
Brisighella RA 19 7639 26505
Civitella di Romagna FC 19 3786 30291
Santa Sofia FC 20 4136 34427
Casola Valsenio RA 20 2617 37044

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Faenza (58541 inhabitants)
32 Km SW of Forlì (117913 inhabitants)
33 Km S of Imola (69797 inhabitants)
43 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
53 Km E of Prato (191150 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
57 Km SE of Bologna (386663 inhabitants)
65 Km E of Pistoia (90315 inhabitants)
67 Km N of Arezzo (99543 inhabitants)
68 Km W of Rimini (147750 inhabitants)
87 Km S of Ferrara (133155 inhabitants)
88 Km NE of Siena (53903 inhabitants)
91 Km SE of Modena (184973 inhabitants)
97 Km W of Pesaro (94582 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 1.6 2018-05-03
18:51:35
44.06 11.72 4 2019-04-24
14:50:50
Bollettino Sismico Italiano INGV 59119621
Rev 100 ML 1.6 2018-05-03
18:51:35
44.06 11.72 5 2018-05-03
19:01:47
Sala Sismica INGV-Roma 56441701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-03 18:51:35 ± 0.1
Latitude 44.06 ± 0.00
Longitude 11.72 ± 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 59119621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 490
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.59265
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 59119621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-08 11:04:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 56441701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-03 19:01:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRMI.HNN. 2018-05-03T18:51:57.23 0.6 undecidable manual S 244 0.5927 50 -0.08 45
IV.MOCL.EHZ. 2018-05-03T18:51:50.40 0.6 undecidable manual S 262 0.3894 95 -0.33 44
IV.CRMI.HNN. 2018-05-03T18:51:48.74 0.6 undecidable manual P 244 0.5927 50 0.58 40
IV.RUFI.EHZ. 2018-05-03T18:51:46.45 0.3 undecidable manual S 214 0.2671 97 0.4 67
IV.ASQU.HHZ. 2018-05-03T18:51:46.28 0.3 undecidable manual S 169 0.268 97 0.2 70
IV.SEI.HHZ. 2018-05-03T18:51:45.96 0.3 undecidable manual S 269 0.2581 98 0.27 69
IV.MOCL.EHZ. 2018-05-03T18:51:43.91 1.0 undecidable manual P 262 0.3894 95 -0.46 22
IV.BRIS.HHZ. 2018-05-03T18:51:42.63 0.3 undecidable manual S 12 0.1682 102 0.34 69
IV.SFI.EHZ. 2018-05-03T18:51:42.99 0.3 undecidable manual S 149 0.1808 101 0.23 71
IV.IMOL.HNZ. 2018-05-03T18:51:42.79 1.0 undecidable manual P 3 0.3004 97 0.4 22
IV.ASQU.HHZ. 2018-05-03T18:51:41.33 0.1 undecidable manual P 169 0.268 97 -0.35 90
IV.RUFI.EHZ. 2018-05-03T18:51:41.49 0.1 undecidable manual P 214 0.2671 97 -0.18 94
IV.SEI.HHZ. 2018-05-03T18:51:41.20 0.3 undecidable manual P 269 0.2581 98 -0.25 69
IV.BRIS.HHZ. 2018-05-03T18:51:39.28 0.1 undecidable manual P 12 0.1682 102 -0.21 95
IV.SFI.EHZ. 2018-05-03T18:51:39.59 0.1 positive manual P 149 0.1808 101 -0.17 95
IV.LMD.HHZ. 2018-05-03T18:51:37.28 0.3 undecidable manual S 338 0.0189 151 0.08 75
IV.LMD.HHZ. 2018-05-03T18:51:36.46 0.1 undecidable manual P 338 0.0189 151 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:0 0.0063301625 0.2176 AML other m 2018-05-03T18:51:37.62
IV.LMD.HHE. ML:0 0.004307966 0.1408 AML other m 2018-05-03T18:51:37.97
IV.BRIS.HNN. ML:1.6 0.0003263532 0.128 AML other m 2018-05-03T18:51:42.94
IV.BRIS.HHN. ML:1.6 0.0003643669 0.128 AML other m 2018-05-03T18:51:42.94
IV.BRIS.HHE. ML:1.6 0.0003794601 0.1024 AML other m 2018-05-03T18:51:43.01
IV.BRIS.HNE. ML:1.6 0.000395737 0.1152 AML other m 2018-05-03T18:51:43.01
IV.SFI.EHN. ML:1.4 0.00021860775 0.1408 AML other m 2018-05-03T18:51:43.74
IV.SFI.HNN. ML:1.4 0.00022320245 0.1536 AML other m 2018-05-03T18:51:43.75
IV.SFI.EHE. ML:1.5 0.000246777 0.2688 AML other m 2018-05-03T18:51:44.24
IV.SFI.HNE. ML:1.6 0.0002932177 0.2816 AML other m 2018-05-03T18:51:44.10
IV.SEI.HHE. ML:1.7 0.0002865897 0.2688 AML other m 2018-05-03T18:51:46.27
IV.ASQU.HHE. ML:1.9 0.00040404035 0.2432 AML other m 2018-05-03T18:51:46.52
IV.SEI.HHN. ML:2 0.0005073753 0.2176 AML other m 2018-05-03T18:51:46.71
IV.ASQU.HHN. ML:1.4 0.00011689622 0.2048 AML other m 2018-05-03T18:51:46.96
IV.RUFI.EHN. ML:1.5 0.0001763034 0.2816 AML other m 2018-05-03T18:51:46.78
IV.RUFI.EHE. ML:1.2 7.7163795E-5 0.32 AML other m 2018-05-03T18:51:46.95
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