Earthquake with magnitude of ML 1.5 on date 11-06-2020 and time 23:40:21 (Italy) in region 4 km NE Rocca San Casciano (FC)

A magnitude ML 1.5 earthquake occured in region: 4 km NE Rocca San Casciano (FC), on

  • 11-06-2020 21:40:21 (UTC)
  • 11-06-2020 23:40:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0870, 11.8760 at 30 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
Rocca San Casciano FC 4 1910 1910
Dovadola FC 4 1653 3563
Predappio FC 9 6346 9909
Portico e San Benedetto FC 10 756 10665
Civitella di Romagna FC 10 3786 14451
Modigliana FC 10 4560 19011
Galeata FC 10 2516 21527
Tredozio FC 11 1212 22739
Castrocaro Terme e Terra del Sole FC 12 6426 29165
Premilcuore FC 15 799 29964
Meldola FC 16 9970 39934
Santa Sofia FC 16 4136 44070
Brisighella RA 17 7639 51709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Forlì (117913 inhabitants)
22 Km S of Faenza (58541 inhabitants)
30 Km W of Cesena (96758 inhabitants)
32 Km SE of Imola (69797 inhabitants)
45 Km SW of Ravenna (159116 inhabitants)
55 Km W of Rimini (147750 inhabitants)
61 Km NE of Firenze (382808 inhabitants)
62 Km SE of Bologna (386663 inhabitants)
66 Km E of Prato (191150 inhabitants)
67 Km NE of Scandicci (50609 inhabitants)
69 Km N of Arezzo (99543 inhabitants)
79 Km E of Pistoia (90315 inhabitants)
85 Km W of Pesaro (94582 inhabitants)
86 Km S of Ferrara (133155 inhabitants)
96 Km W of Fano (60888 inhabitants)
96 Km NE of Siena (53903 inhabitants)
98 Km SE of Modena (184973 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 1.5 2020-06-11
21:40:21
44.087 11.8762 30 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83641381
Reviewed
Rev100
ML 1.5 2020-06-11
21:40:21
44.0728 11.8637 30 2020-06-11
21:58:07
Sala Sismica INGV-Roma 80097171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-11 21:40:21 ± 0.24
Latitude 44.0870 ± 0.0063
Longitude 11.8762 ± 0.0113
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83641381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 878
Semi-minor axis of confidence ellipse (meter) 205
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 83641381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-09 09:19:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 80097171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-11 21:58:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-06-11T21:41:21.43 3.0 negative manual Pn 3.15 0
SL.LJU.BHZ. 2020-06-11T21:41:20.52 3.0 undecidable manual Sn 1.69 0
IV.GATE.HHZ. 2020-06-11T21:41:04.92 3.0 undecidable manual Sn -5.62 0
CR.STON.BHZ. 2020-06-11T21:40:55.34 3.0 undecidable manual Pn 0.44 0
IV.ROSPO.HHZ. 2020-06-11T21:40:55.17 3.0 undecidable manual Sn -2.12 0
IV.RM33.EHZ. 2020-06-11T21:40:42.30 3.0 undecidable manual Sg 2.34 0
IV.IMOL.HNZ. 2020-06-11T21:40:36.75 3.0 undecidable manual S 1.83 0
IV.SEI.HHZ. 2020-06-11T21:40:36.72 0.6 undecidable manual S 265 41.4252 120 0.24 46
IV.RUFI.EHZ. 2020-06-11T21:40:36.10 0.6 undecidable manual S 227 40.2264 121 -0.11 47
IV.VISG.HHZ. 2020-06-11T21:40:35.44 0.3 undecidable manual S 288 36.9297 124 -0.03 73
IV.RONT.HHZ. 2020-06-11T21:40:35.84 0.6 undecidable manual S 254 36.8298 124 0.4 45
IV.ASQU.HHZ. 2020-06-11T21:40:34.98 0.6 undecidable manual S 192 32.9448 127 0.38 46
IV.RINC.HHZ. 2020-06-11T21:40:34.16 0.3 undecidable manual S 224 30.9468 129 -0.01 73
IV.ROM9.HNZ. 2020-06-11T21:40:32.60 3.0 negative manual Pn -1.33 0
IV.BRIS.HHZ. 2020-06-11T21:40:32.32 0.1 undecidable manual S 330 17.5713 146 0.57 87
IT.FAZ.HNZ. 2020-06-11T21:40:32.44 0.6 undecidable manual S 3 23.4543 138 -0.28 48
IV.SFI.EHZ. 2020-06-11T21:40:32.17 0.1 undecidable manual S 187 20.3685 142 -0.01 100
IV.BLLA.EHZ. 2020-06-11T21:40:31.16 3.0 undecidable manual P -0.3 0
IV.RUFI.EHZ. 2020-06-11T21:40:30.10 0.1 undecidable manual P 227 40.2264 121 0.07 96
IV.ROSPO.HHZ. 2020-06-11T21:40:30.43 3.0 undecidable manual Pn -3.83 0
IV.LMD.HHZ. 2020-06-11T21:40:30.65 0.6 undecidable manual S 266 13.4754 153 -0.55 45
IV.SEI.HHZ. 2020-06-11T21:40:30.14 0.3 undecidable manual P 265 41.4252 120 -0.04 72
IV.VISG.HHZ. 2020-06-11T21:40:29.37 0.1 undecidable manual P 288 36.9297 124 -0.23 93
IV.IMOL.HNZ. 2020-06-11T21:40:29.95 3.0 undecidable manual P 0.57 0
IV.RONT.HHZ. 2020-06-11T21:40:29.65 0.1 positive manual P 254 36.8298 124 0.06 97
IV.ASQU.HHZ. 2020-06-11T21:40:29.21 0.1 undecidable manual P 192 32.9448 127 0.12 96
IV.BRSN.EHN. 2020-06-11T21:40:29.65 3.0 undecidable manual P 0.76 0
IT.FAZ.HNZ. 2020-06-11T21:40:28.28 0.6 undecidable manual P 3 23.4543 138 0.27 47
IV.RINC.HHZ. 2020-06-11T21:40:28.89 0.1 positive manual P 224 30.9468 129 0.04 98
IV.FAGN.HHZ. 2020-06-11T21:40:28.41 3.0 positive manual Pn 0.68 0
IV.SFI.EHZ. 2020-06-11T21:40:27.59 0.1 positive manual P 187 20.3685 142 -0.11 98
IV.OFFI.HHZ. 2020-06-11T21:40:27.97 3.0 undecidable manual Sn -5.67 0
IV.BRIS.HHZ. 2020-06-11T21:40:27.49 0.1 positive manual P 330 17.5713 146 0.04 100
IV.LMD.HHZ. 2020-06-11T21:40:26.57 0.1 positive manual P 266 13.4754 153 -0.56 89
IV.PARC.HHZ. 2020-06-11T21:40:26.62 3.0 undecidable manual Pg 0
IV.ARVD.HHZ. 2020-06-11T21:40:26.38 3.0 undecidable manual Sg -1.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.6 0.000169 0.16 AML other m 2020-06-11T21:40:31.00
IV.LMD.HHE. ML:1.4 0.000125 0.16 AML other m 2020-06-11T21:40:31.12
IV.SFI.EHE. ML:1.3 0.00007525000000000001 0.26 AML other m 2020-06-11T21:40:32.43
IV.BRIS.HHE. ML:2.0 0.0003985 0.24 AML other m 2020-06-11T21:40:32.47
IV.SFI.EHN. ML:1.2 0.00006725000000000001 0.38 AML other m 2020-06-11T21:40:32.85
IV.BRIS.HHN. ML:2.1 0.000514 0.48 AML other m 2020-06-11T21:40:32.58
IV.SFI.HNN. ML:1.5 0.0001356591 1.216 AML other m 2020-06-11T21:40:33.00
IV.SFI.HNE. ML:1.4 0.00011230975 0.5504 AML other m 2020-06-11T21:40:33.41
IV.BRIS.HNE. ML:1.4 0.00011667321999999999 0.2656 AML other m 2020-06-11T21:40:33.29
IV.RINC.HHE. ML:1.5 0.00011300000000000001 0.64 AML other m 2020-06-11T21:40:34.66
IV.RINC.HHN. ML:1.6 0.000131 0.4 AML other m 2020-06-11T21:40:34.55
IV.ASQU.HHN. ML:1.2 0.000055599999999999996 0.84 AML other m 2020-06-11T21:40:35.60
IV.ASQU.HHE. ML:1.4 0.00007325 0.24 AML other m 2020-06-11T21:40:35.50
IV.VISG.HHE. ML:1.2 0.000042499999999999996 0.72 AML other m 2020-06-11T21:40:35.80
IV.VISG.HHN. ML:1.4 0.0000708 0.42 AML other m 2020-06-11T21:40:36.02
IV.RONT.HHN. ML:1.7 0.000158 1.14 AML other m 2020-06-11T21:40:36.41
IV.RUFI.EHN. ML:1.4 0.000062743095 0.2816 AML other m 2020-06-11T21:40:36.45
IV.RUFI.EHE. ML:1.0 0.000031864434999999995 0.896 AML other m 2020-06-11T21:40:36.67
IV.SEI.HHN. ML:1.6 0.000111 1.66 AML other m 2020-06-11T21:40:37.01
IV.SEI.HHE. ML:1.5 0.00008774999999999999 0.68 AML other m 2020-06-11T21:40:37.24
IV.RONT.HHE. ML:1.7 0.00014299999999999998 0.76 AML other m 2020-06-11T21:40:37.68
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