Earthquake with magnitude of ML 1.6 on date 27-03-2020 and time 06:46:36 (Italy) in region 2 km NW Tredozio (FC)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Tredozio (FC), on

  • 27-03-2020 05:46:36 (UTC)
  • 27-03-2020 06:46:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1, 11.73 at 26 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 2 1212 1212
Modigliana FC 8 4560 5772
Portico e San Benedetto FC 9 756 6528
Rocca San Casciano FC 10 1910 8438
Marradi FI 10 3139 11577
Dovadola FC 13 1653 13230
Premilcuore FC 14 799 14029
Brisighella RA 14 7639 21668
Palazzuolo sul Senio FI 15 1154 22822
Casola Valsenio RA 17 2617 25439
Galeata FC 18 2516 27955
Civitella di Romagna FC 19 3786 31741
Castrocaro Terme e Terra del Sole FC 20 6426 38167
Predappio FC 20 6346 44513

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Faenza (58541 inhabitants)
28 Km SW of Forlì (117913 inhabitants)
29 Km S of Imola (69797 inhabitants)
41 Km W of Cesena (96758 inhabitants)
52 Km SW of Ravenna (159116 inhabitants)
53 Km NE of Firenze (382808 inhabitants)
54 Km SE of Bologna (386663 inhabitants)
56 Km E of Prato (191150 inhabitants)
58 Km NE of Scandicci (50609 inhabitants)
67 Km W of Rimini (147750 inhabitants)
68 Km E of Pistoia (90315 inhabitants)
71 Km N of Arezzo (99543 inhabitants)
83 Km S of Ferrara (133155 inhabitants)
89 Km SE of Modena (184973 inhabitants)
92 Km NE of Siena (53903 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
Bulletin
Rev1000
ML 1.6 2020-03-27
05:46:36
44.1 11.73 26 2020-07-18
21:08:29
Bollettino Sismico Italiano INGV 77701201
Reviewed
Rev100
ML 1.6 2020-03-27
05:46:36
44.09 11.75 26 2020-03-27
05:58:33
Sala Sismica INGV-Roma 77608751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-27 05:46:36 ± 0.34
Latitude 44.10 ± 0.01
Longitude 11.73 ± 0.02
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77701201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1324
Semi-minor axis of confidence ellipse (meter) 1028
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.30937
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 77701201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-30 13:29:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 77608751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-27 05:58:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-03-27T05:48:06.18 3.0 negative manual Pn -2.34 0
IT.LRNO.HNZ. 2020-03-27T05:47:49.53 3.0 undecidable manual Sg 11.07 0
IV.SARZ.HHZ. 2020-03-27T05:47:45.10 3.0 undecidable manual Sn 3.93 0
IV.NOCI.HHZ. 2020-03-27T05:47:37.08 3.0 undecidable manual Pg 10.15 0
IV.SBPO.HNZ. 2020-03-27T05:47:11.74 3.0 undecidable manual Sn -1.16 0
IV.ROSPO.HHZ. 2020-03-27T05:47:06.39 3.0 negative manual Pg 7.44 0
IV.FIR.HHZ. 2020-03-27T05:47:06.10 3.0 undecidable manual Sg 0.57 0
IV.SARZ.HHZ. 2020-03-27T05:47:05.44 3.0 undecidable manual Pn 0.45 0
IV.VAGA.HHZ. 2020-03-27T05:46:59.07 3.0 positive manual Pn -6.21 0
IV.MC2.EHZ. 2020-03-27T05:46:58.53 3.0 undecidable manual Sn -7.73 0
IV.RMP.HHZ. 2020-03-27T05:46:49.09 3.0 undecidable manual Pn -9.12 0
IV.SERM.EHZ. 2020-03-27T05:46:49.31 3.0 negative manual Pn 2.98 0
IV.CADA.HNZ. 2020-03-27T05:46:48.11 3.0 undecidable manual Pg 4.04 0
IV.SFI.EHZ. 2020-03-27T05:46:47.46 0.3 undecidable manual S 157 0.2077 134 0.32 71
IV.RINC.HHN. 2020-03-27T05:46:47.88 0.3 undecidable manual S 204 0.2284 131 0.29 70
IV.VISG.HHZ. 2020-03-27T05:46:47.60 0.3 undecidable manual S 294 0.2338 130 -0.12 74
IV.BRIS.HHZ. 2020-03-27T05:46:46.13 0.1 undecidable manual S 10 0.1304 148 0.43 94
IV.RIBO.EHZ.01 2020-03-27T05:46:46.99 3.0 negative manual Pn -4.48 0
IV.MTRZ.HHZ. 2020-03-27T05:46:44.63 0.1 undecidable manual P 315 0.3094 122 0.51 88
IV.LMD.HHZ. 2020-03-27T05:46:44.33 0.1 undecidable manual S 226 0.0261 173 -0.31 98
IV.RUFI.EHE. 2020-03-27T05:46:44.03 0.3 undecidable manual P 212 0.304 122 0 74
IV.SEI.HHZ. 2020-03-27T05:46:43.60 0.3 undecidable manual P 261 0.2725 125 0.02 74
IV.ASQU.HHZ. 2020-03-27T05:46:43.26 3.0 undecidable manual P 0
IV.RONT.HHZ. 2020-03-27T05:46:43.35 0.3 undecidable manual P 245 0.2392 130 0.22 71
IV.SFI.EHZ. 2020-03-27T05:46:42.72 0.1 undecidable manual P 157 0.2077 134 -0.01 100
IV.RINC.HHN. 2020-03-27T05:46:42.83 0.3 undecidable manual P 204 0.2284 131 -0.16 73
IV.VISG.HHZ. 2020-03-27T05:46:42.66 0.3 undecidable manual P 294 0.2338 130 -0.4 69
IV.NRCA.HNZ. 2020-03-27T05:46:42.04 3.0 undecidable manual P -4.09 0
IV.BRIS.HHZ. 2020-03-27T05:46:41.64 0.1 undecidable manual P 10 0.1304 148 -0.25 96
IV.LMD.HHZ. 2020-03-27T05:46:40.77 0.1 undecidable manual P 226 0.0261 173 -0.52 93
IV.IMOL.EHZ. 2020-03-27T05:46:37.05 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.5 0.0001985 0.5 AML other m 2020-03-27T05:46:44.78
IV.LMD.HHE. ML:1.5 0.0001835 0.46 AML other m 2020-03-27T05:46:44.56
IV.BRIS.HHE. ML:1.7 0.000244 0.64 AML other m 2020-03-27T05:46:46.52
IV.BRIS.HHN. ML:1.6 0.0002295 0.42 AML other m 2020-03-27T05:46:46.27
IV.SFI.EHN. ML:1.4 0.00012 0.52 AML other m 2020-03-27T05:46:47.62
IV.VISG.HHE. ML:1.4 8.885E-5 0.68 AML other m 2020-03-27T05:46:47.97
IV.RONT.HHE. ML:1.6 0.0001765 0.42 AML other m 2020-03-27T05:46:48.30
IV.VISG.HHN. ML:1.4 9.87E-5 1.02 AML other m 2020-03-27T05:46:48.84
IV.SFI.EHE. ML:1.5 0.0001255 0.32 AML other m 2020-03-27T05:46:48.49
IV.SEI.HHE. ML:0 0.0001052 0.18 AML other m 2020-03-27T05:46:49.33
IV.SEI.HHN. ML:0 0.0002395 0.56 AML other m 2020-03-27T05:46:49.77
IV.RONT.HHN. ML:1.7 0.0001975 1.58 AML other m 2020-03-27T05:46:49.94
IV.SFI.HNE. ML:1.6 0.000149447 1.328 AML other m 2020-03-27T05:46:49.99
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