Earthquake with magnitude of ML 1.6 on date 13-01-2018 and time 20:39:15 (UTC) in region 6 km NW Fontanelice (BO)

A magnitude ML 1.6 earthquake occured in region: 6 km NW Fontanelice (BO), on

  • 13-01-2018 20:39:15 (UTC)
  • 13-01-2018 21:39:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2950, 11.5040 at 33 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
Fontanelice BO 6 1943 1943
Borgo Tossignano BO 7 3288 5231
Monterenzio BO 9 6035 11266
Castel del Rio BO 9 1246 12512
Casalfiumanese BO 9 3438 15950
Casola Valsenio RA 12 2617 18567
Dozza BO 12 6652 25219
Castel San Pietro Terme BO 14 20811 46030
Loiano BO 15 4294 50324
Pianoro BO 16 17460 67784
Ozzano dell'Emilia BO 17 13596 81380
Monghidoro BO 17 3749 85129
Riolo Terme RA 18 5720 90849
Imola BO 18 69797 160646
Monzuno BO 19 6328 166974

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Imola (69797 inhabitants)
26 Km SE of Bologna (386663 inhabitants)
30 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
56 Km NE of Prato (191150 inhabitants)
57 Km W of Ravenna (159116 inhabitants)
60 Km SE of Modena (184973 inhabitants)
61 Km S of Ferrara (133155 inhabitants)
61 Km W of Cesena (96758 inhabitants)
62 Km NE of Firenze (382808 inhabitants)
62 Km NE of Pistoia (90315 inhabitants)
65 Km NE of Scandicci (50609 inhabitants)
73 Km SE of Carpi (70699 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Rimini (147750 inhabitants)
89 Km S of Rovigo (51867 inhabitants)
94 Km NE of Lucca (89046 inhabitants)
97 Km NW of Arezzo (99543 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 1.6 2018-01-13
20:39:15
44.2947 11.5045 33 2019-04-24
14:49:46
Bollettino Sismico Italiano INGV 65035731
Reviewed
Rev100
ML 1.7 2018-01-13
20:39:14
44.298 11.4978 37 2018-01-13
20:47:44
Sala Sismica INGV-Roma 53176291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-13 20:39:15 ± 0.42
Latitude 44.2947 ± 0.0189
Longitude 11.5045 ± 0.0188
Depth (km) 33 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65035731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2193
Semi-minor axis of confidence ellipse (meter) 733
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 2190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.18166
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 65035731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-29 01:55:07

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 53176291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-13 20:47:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCL.EHZ. 2018-01-13T20:39:30.81 0.3 undecidable manual S 219 41.2254 124 0.24 72
IV.FNVD.HHZ. 2018-01-13T20:39:28.75 0.3 undecidable manual S 245 33.4443 131 -0.18 75
IV.LMD.HHZ. 2018-01-13T20:39:28.63 0.3 undecidable manual S 146 29.0487 135 0.57 69
IV.SEI.HHZ. 2018-01-13T20:39:27.96 0.6 undecidable manual S 204 29.0487 135 -0.11 51
IV.BRIS.HHZ. 2018-01-13T20:39:26.82 0.3 undecidable manual S 110 22.2555 143 -0.05 77
IV.ZCCA.HNN. 2018-01-13T20:39:25.24 0.3 undecidable manual P 279 42.3243 124 1.01 55
IV.RUFI.EHZ. 2018-01-13T20:39:25.74 0.3 undecidable manual P 180 50.7159 118 0.41 69
IV.MOCL.EHZ. 2018-01-13T20:39:23.98 0.3 undecidable manual P 219 41.2254 124 -0.11 75
IV.LMD.HHZ. 2018-01-13T20:39:22.47 0.1 undecidable manual P 146 29.0487 135 -0.16 100
IV.IMOL.EHZ. 2018-01-13T20:39:22.07 0.3 undecidable manual P 69 20.1687 146 0.31 75
IV.FNVD.HHZ. 2018-01-13T20:39:22.54 0.3 undecidable manual P 245 33.4443 131 -0.59 67
IV.SEI.HHZ. 2018-01-13T20:39:22.24 0.1 undecidable manual P 204 29.0487 135 -0.4 96
IV.BRIS.HHZ. 2018-01-13T20:39:21.62 0.1 undecidable manual P 110 22.2555 143 -0.33 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.4 0.0000804 0.3 AML other m 2018-01-13T20:39:28.69
IV.SEI.HHE. ML:1.8 0.0001905 1.64 AML other m 2018-01-13T20:39:28.94
IV.LMD.HHN. ML:1.5 0.0000955 0.72 AML other m 2018-01-13T20:39:28.59
IV.SEI.HHN. ML:1.9 0.000243 1.1 AML other m 2018-01-13T20:39:29.73
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