Earthquake with magnitude of ML 1.7 on date 05-08-2020 and time 16:14:41 (UTC) in region 2 km SE Premilcuore (FC)

A magnitude ML 1.7 earthquake occured in region: 2 km SE Premilcuore (FC), on

  • 05-08-2020 16:14:41 (UTC)
  • 05-08-2020 18:14:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9590, 11.7860 at 9 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
Premilcuore FC 2 799 799
Portico e San Benedetto FC 8 756 1555
Santa Sofia FC 10 4136 5691
Galeata FC 11 2516 8207
Rocca San Casciano FC 12 1910 10117
Civitella di Romagna FC 14 3786 13903
San Godenzo FI 14 1167 15070
Tredozio FC 14 1212 16282
Bagno di Romagna FC 19 6026 22308
Marradi FI 19 3139 25447
Pratovecchio Stia AR 19 5845 31292
Dovadola FC 20 1653 32945

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Forlì (117913 inhabitants)
37 Km S of Faenza (58541 inhabitants)
42 Km W of Cesena (96758 inhabitants)
44 Km S of Imola (69797 inhabitants)
47 Km E of Firenze (382808 inhabitants)
53 Km E of Scandicci (50609 inhabitants)
55 Km N of Arezzo (99543 inhabitants)
56 Km E of Prato (191150 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
64 Km W of Rimini (147750 inhabitants)
69 Km SE of Bologna (386663 inhabitants)
70 Km E of Pistoia (90315 inhabitants)
80 Km NE of Siena (53903 inhabitants)
91 Km W of Pesaro (94582 inhabitants)
99 Km S of Ferrara (133155 inhabitants)
100 Km W of Fano (60888 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 1.7 2020-08-05
16:14:41
43.9588 11.7855 9 2020-11-19
12:37:00
Bollettino Sismico Italiano INGV 82787291
Reviewed
Rev100
ML 1.7 2020-08-05
16:14:41
43.9613 11.7832 9 2020-08-05
16:25:16
Sala Sismica INGV-Roma 81679861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-05 16:14:41 ± 0.09
Latitude 43.9588 ± 0.0045
Longitude 11.7855 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82787291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 443
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 31
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) 0.64302
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 82787291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 10:30:16

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 81679861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-05 16:25:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PANTE.HHZ. 2020-08-05T16:16:21.68 3.0 negative manual Pn 7.63 0
OE.WTTA.HHZ. 2020-08-05T16:16:20.96 3.0 undecidable manual Sg 9.22 0
IV.SCIAR.HHZ. 2020-08-05T16:16:06.59 3.0 undecidable manual Pn 5.76 0
MN.TUE.HHZ. 2020-08-05T16:15:59.25 3.0 undecidable manual Sn -6.19 0
IV.STAL.HHZ. 2020-08-05T16:15:50.45 3.0 undecidable manual Sg 1.89 0
CH.FUORN.HHZ. 2020-08-05T16:15:35.13 3.0 undecidable manual Pg 11 0
GU.CANO.HHZ. 2020-08-05T16:15:32.88 3.0 negative manual Pg 15.23 0
RD.PGF.BHZ. 2020-08-05T16:15:24.34 3.0 undecidable manual Pg 10.98 0
IV.MOMA.HHZ. 2020-08-05T16:15:08.63 3.0 undecidable manual Sn 1.22 0
IV.MOCL.EHZ. 2020-08-05T16:14:57.34 0.3 undecidable manual S 276 48.5181 50 0.2 68
IV.CAFI.HHZ. 2020-08-05T16:14:54.14 0.3 undecidable manual P 168 71.373 50 0.23 64
IV.VISG.HHZ. 2020-08-05T16:14:54.34 0.6 undecidable manual S 312 37.8288 50 0.04 47
IV.SEI.HHZ. 2020-08-05T16:14:53.66 0.1 undecidable manual S 287 35.6421 50 -0.05 95
IV.BRIS.HHZ. 2020-08-05T16:14:52.02 0.1 undecidable manual S 357 29.5482 106 0.16 94
IV.RONT.HHN. 2020-08-05T16:14:51.70 0.3 undecidable manual S 278 28.4493 107 0.2 70
IV.MOCL.EHZ. 2020-08-05T16:14:50.19 0.3 undecidable manual P 276 48.5181 50 -0.21 67
IV.IMOL.HNZ. 2020-08-05T16:14:50.50 0.3 undecidable manual P 356 44.622 50 0.71 59
IV.FOSV.EHZ. 2020-08-05T16:14:50.92 3.0 undecidable manual P 0.54 0
IV.RUFI.EHZ. 2020-08-05T16:14:50.50 0.3 undecidable manual S 239 25.8519 109 -0.14 71
IV.ASQU.HHZ. 2020-08-05T16:14:48.72 0.6 undecidable manual S 179 17.9709 116 0.6 43
IV.SEI.HHZ. 2020-08-05T16:14:48.03 0.1 positive manual P 287 35.6421 50 -0.39 89
IV.VISG.HHZ. 2020-08-05T16:14:48.23 0.3 undecidable manual P 312 37.8288 50 -0.53 64
IV.RINC.HHZ. 2020-08-05T16:14:47.76 0.3 undecidable manual S 241 16.3725 118 0.14 72
IV.BRIS.HHZ. 2020-08-05T16:14:47.26 0.1 positive manual P 357 29.5482 106 -0.09 95
IV.RONT.HHN. 2020-08-05T16:14:47.13 0.3 undecidable manual P 278 28.4493 107 -0.01 73
IV.RUFI.EHZ. 2020-08-05T16:14:46.54 0.1 positive manual P 239 25.8519 109 -0.11 96
IV.ASQU.HHZ. 2020-08-05T16:14:45.27 0.1 positive manual P 179 17.9709 116 0.08 98
IV.SFI.EHZ. 2020-08-05T16:14:44.92 0.1 undecidable manual S 141 7.7811 138 -0.3 95
IV.RINC.HHZ. 2020-08-05T16:14:44.96 0.1 positive manual P 241 16.3725 118 0.06 98
IV.SFI.EHZ. 2020-08-05T16:14:43.48 0.1 positive manual P 141 7.7811 138 -0.04 100
IV.BLLA.EHZ. 2020-08-05T16:14:39.20 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:2.0 0.0015449703 0.1024 AML other m 2020-08-05T16:14:45.13
IV.SFI.EHE. ML:2.0 0.0015317072500000003 0.0896 AML other m 2020-08-05T16:14:45.13
IV.SFI.EHN. ML:2.2 0.0025338624999999997 0.1152 AML other m 2020-08-05T16:14:45.23
IV.SFI.HNN. ML:2.2 0.0024869719999999996 0.1152 AML other m 2020-08-05T16:14:45.23
IV.RINC.HHE. ML:1.7 0.0004259137 0.1152 AML other m 2020-08-05T16:14:48.21
IV.RINC.HHN. ML:1.5 0.00026470025 0.1408 AML other m 2020-08-05T16:14:48.17
IV.ASQU.HHE. ML:1.8 0.0005892771 0.1152 AML other m 2020-08-05T16:14:48.86
IV.ASQU.HHN. ML:1.8 0.00056203795 1.808 AML other m 2020-08-05T16:14:48.97
IV.RUFI.EHN. ML:1.4 0.000129310765 0.3968 AML other m 2020-08-05T16:14:50.92
IV.RUFI.EHE. ML:1.4 0.00014531051999999999 1.7056 AML other m 2020-08-05T16:14:51.02
IV.BRIS.HHE. ML:1.9 0.00038027270000000004 0.2432 AML other m 2020-08-05T16:14:52.35
IV.BRIS.HHN. ML:1.9 0.00040073239999999997 0.2944 AML other m 2020-08-05T16:14:52.59
IV.SEI.HHE. ML:1.6 0.00016243735 0.1408 AML other m 2020-08-05T16:14:54.07
IV.SEI.HHN. ML:1.8 0.00025629755 0.2048 AML other m 2020-08-05T16:14:56.11
IV.MOCL.EHE. ML:1.3 0.00005271676 0.2048 AML other m 2020-08-05T16:14:57.93
IV.MOCL.EHN. ML:1.3 0.00004961239 0.1792 AML other m 2020-08-05T16:14:58.13
IV.CAFI.HHN. ML:1.2 0.00002335722 0.4608 AML other m 2020-08-05T16:15:06.11
IV.CAFI.HHE. ML:1.3 0.000030599130000000005 0.5632 AML other m 2020-08-05T16:15:06.92
IV.CAFI.HNE. ML:1.7 0.000089470345 1.232 AML other m 2020-08-05T16:15:09.37
IV.CAFI.HNN. ML:1.9 0.00014120409 0.9504 AML other m 2020-08-05T16:15:12.57
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