Earthquake with magnitude of ML 1.8 on date 11-07-2020 and time 09:54:11 (Italy) in region 1 km S Civitella di Romagna (FC)

A magnitude ML 1.8 earthquake occured in region: 1 km S Civitella di Romagna (FC), on

  • 11-07-2020 07:54:11 (UTC)
  • 11-07-2020 09:54:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.996, 11.935 at 20 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
Civitella di Romagna FC 1 3786 3786
Galeata FC 2 2516 6302
Santa Sofia FC 6 4136 10438
Rocca San Casciano FC 10 1910 12348
Predappio FC 12 6346 18694
Portico e San Benedetto FC 13 756 19450
Premilcuore FC 13 799 20249
Dovadola FC 15 1653 21902
Bagno di Romagna FC 16 6026 27928
Meldola FC 18 9970 37898
Tredozio FC 18 1212 39110
Sarsina FC 19 3446 42556

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Forlì (117913 inhabitants)
29 Km SW of Cesena (96758 inhabitants)
33 Km S of Faenza (58541 inhabitants)
44 Km SE of Imola (69797 inhabitants)
51 Km W of Rimini (147750 inhabitants)
51 Km SW of Ravenna (159116 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
60 Km E of Firenze (382808 inhabitants)
66 Km E of Scandicci (50609 inhabitants)
68 Km E of Prato (191150 inhabitants)
73 Km SE of Bologna (386663 inhabitants)
79 Km W of Pesaro (94582 inhabitants)
82 Km E of Pistoia (90315 inhabitants)
89 Km W of Fano (60888 inhabitants)
90 Km NE of Siena (53903 inhabitants)
97 Km S of Ferrara (133155 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 1.8 2020-07-11
07:54:11
43.9963 11.9353 20 2020-11-19
12:37:06
Bollettino Sismico Italiano INGV 84476251
Reviewed
Rev100
ML 1.9 2020-07-11
07:54:10
44.0055 11.9107 26 2020-07-11
08:20:11
Sala Sismica INGV-Roma 80947241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-11 07:54:11 ± 0.13
Latitude 43.9963 ± 0.0054
Longitude 11.9353 ± 0.0100
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84476251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 810
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.70057
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 84476251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-15 22:26:30

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 80947241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-11 08:20:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.STAL.HHZ. 2020-07-11T07:55:19.24 3.0 undecidable manual Sg 7.07 0
ST.RONC.EHZ. 2020-07-11T07:55:13.31 3.0 undecidable manual Sg 5.27 0
ST.VARA.EHZ. 2020-07-11T07:54:37.19 3.0 undecidable manual P -7.17 0
IV.MF5.EHZ. 2020-07-11T07:54:33.90 3.0 undecidable manual P -3.89 0
IV.VISG.HHZ. 2020-07-11T07:54:26.40 0.1 undecidable manual S 298 0.4074 104 0.26 90
IV.SEI.HHZ. 2020-07-11T07:54:26.50 0.6 undecidable manual S 278 0.4182 104 0.06 47
IV.CRE.HHZ. 2020-07-11T07:54:25.30 0.6 undecidable manual S 178 0.3777 106 0.03 48
IV.RUFI.EHZ. 2020-07-11T07:54:24.70 0.1 undecidable manual S 243 0.3453 108 0.35 90
IV.CSNT.HHZ. 2020-07-11T07:54:24.80 1.0 undecidable manual P 222 0.7006 97 0 22
IV.BRIS.HHZ. 2020-07-11T07:54:22.40 0.1 undecidable manual S 332 0.2581 115 0.46 90
IV.ATMC.EHE. 2020-07-11T07:54:22.74 0.6 undecidable manual P 161 0.5801 99 -0.02 46
IV.RINC.HHZ. 2020-07-11T07:54:22.30 0.1 undecidable manual S 245 0.2608 115 0.29 92
IV.BADI.EHZ. 2020-07-11T07:54:21.99 0.6 undecidable manual P 155 0.5351 100 -0.01 46
IV.MTRZ.HNN. 2020-07-11T07:54:21.68 0.3 undecidable manual P 311 0.4838 102 0.54 62
IV.SSP9.EHE. 2020-07-11T07:54:20.57 1.0 undecidable manual P 161 0.4452 103 0.07 23
IV.ASQU.HHZ. 2020-07-11T07:54:20.80 0.3 undecidable manual S 208 0.2257 119 -0.28 70
IV.IMOL.EHZ. 2020-07-11T07:54:20.07 0.3 undecidable manual P 339 0.3885 105 0.52 64
IV.VISG.HHZ. 2020-07-11T07:54:19.59 0.3 undecidable manual P 298 0.4074 104 -0.28 68
IV.PARC.HHZ. 2020-07-11T07:54:19.92 0.1 undecidable manual P 148 0.411 104 0 95
IV.CRE.HHZ. 2020-07-11T07:54:19.42 0.1 undecidable manual P 178 0.3777 106 0.05 95
IV.SFI.EHZ. 2020-07-11T07:54:19.00 0.6 undecidable manual S 215 0.1115 142 0.51 46
IV.SEI.HHZ. 2020-07-11T07:54:19.74 0.3 undecidable manual P 278 0.4182 104 -0.31 67
IV.LMD.HHZ. 2020-07-11T07:54:19.70 0.1 undecidable manual S 296 0.1826 126 -0.31 93
IV.CPGN.EHE. 2020-07-11T07:54:19.04 0.6 undecidable manual P 125 0.339 108 0.29 45
IV.RUFI.EHZ. 2020-07-11T07:54:18.61 0.1 positive manual P 243 0.3453 108 -0.23 92
IV.RONT.HHZ. 2020-07-11T07:54:18.44 0.3 undecidable manual P 270 0.3615 107 -0.66 61
IV.BRIS.HHZ. 2020-07-11T07:54:17.13 0.1 undecidable manual P 332 0.2581 115 -0.32 92
IV.ASQU.HHZ. 2020-07-11T07:54:17.03 0.1 positive manual P 208 0.2257 119 0.07 97
IV.RINC.HHZ. 2020-07-11T07:54:17.38 0.1 positive manual P 245 0.2608 115 -0.11 96
IV.SFI.EHZ. 2020-07-11T07:54:15.43 0.1 positive manual P 215 0.1115 142 -0.03 100
IV.LMD.HHZ. 2020-07-11T07:54:15.73 0.1 undecidable manual P 296 0.1826 126 -0.61 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:1.6 0.0002618879 0.2816 AML other m 2020-07-11T07:54:19.58
IV.SFI.EHE. ML:1.5 0.00023852795 0.224 AML other m 2020-07-11T07:54:19.77
IV.SFI.EHN. ML:1.4 0.0001862355 0.2176 AML other m 2020-07-11T07:54:19.91
IV.SFI.HNN. ML:1.4 0.000188111875 0.128 AML other m 2020-07-11T07:54:19.91
IV.LMD.HHE. ML:0 0.0006625 0.16 AML other m 2020-07-11T07:54:20.01
IV.LMD.HHN. ML:0 0.0007705 0.1 AML other m 2020-07-11T07:54:20.11
IV.ASQU.HHE. ML:1.6 0.000197510155 0.3008 AML other m 2020-07-11T07:54:22.28
IV.BRIS.HHE. ML:2.3 0.00085 0.22 AML other m 2020-07-11T07:54:22.88
IV.RINC.HHE. ML:1.9 0.0003155 0.68 AML other m 2020-07-11T07:54:22.82
IV.RINC.HHN. ML:2 0.0004775 0.4 AML other m 2020-07-11T07:54:22.92
IV.ASQU.HHN. ML:1.7 0.00023639045 1.5008 AML other m 2020-07-11T07:54:23.11
IV.BRIS.HHN. ML:2.4 0.0009975398 1.7376 AML other m 2020-07-11T07:54:23.99
IV.RUFI.EHN. ML:0 0.0002295 0.46 AML other m 2020-07-11T07:54:25.59
IV.RUFI.EHE. ML:0 0.0002535 0.36 AML other m 2020-07-11T07:54:25.46
IV.CRE.HHN. ML:1.9 0.0002255 0.64 AML other m 2020-07-11T07:54:26.55
IV.CRE.HHE. ML:1.6 0.0001255 0.66 AML other m 2020-07-11T07:54:26.61
IV.VISG.HHE. ML:0 6.505E-5 0.58 AML other m 2020-07-11T07:54:27.94
IV.SEI.HHE. ML:0 0.0001655 1.52 AML other m 2020-07-11T07:54:28.79
IV.VISG.HHN. ML:0 8.78E-5 0.86 AML other m 2020-07-11T07:54:28.57
IV.RONT.HHE. ML:1.9 0.00023 0.56 AML other m 2020-07-11T07:54:28.38
IV.SEI.HHN. ML:0 0.0003205 0.78 AML other m 2020-07-11T07:54:28.01
IV.RONT.HHN. ML:1.8 0.0002059771 0.3648 AML other m 2020-07-11T07:54:28.98
IV.IMOL.HNN. ML:2.5 0.0008885 0.06 AML other m 2020-07-11T07:54:32.58
IV.IMOL.HNE. ML:2.2 0.00051 0.06 AML other m 2020-07-11T07:54:32.72
IV.PIEI.HHE. ML:0 3.07E-5 1.64 AML other m 2020-07-11T07:54:38.13
IV.PIEI.HHN. ML:0 1.675E-5 0.48 AML other m 2020-07-11T07:54:40.03
IV.MF5.EHN. ML:1.9 3.7115E-5 1.58 AML other m 2020-07-11T07:55:06.99
IV.MF5.EHE. ML:2 4.34E-5 0.46 AML other m 2020-07-11T07:55:17.56
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