Earthquake with magnitude of ML 0.6 on date 02-04-2020 and time 05:22:37 (Italy) in region 3 km W Premilcuore (FC)

A magnitude ML 0.6 earthquake occured in region: 3 km W Premilcuore (FC), on

  • 02-04-2020 03:22:37 (UTC)
  • 02-04-2020 05:22:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9820, 11.7450 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 799 799
Portico e San Benedetto FC 6 756 1555
Tredozio FC 11 1212 2767
San Godenzo FI 12 1167 3934
Rocca San Casciano FC 12 1910 5844
Galeata FC 13 2516 8360
Santa Sofia FC 14 4136 12496
Marradi FI 15 3139 15635
Civitella di Romagna FC 16 3786 19421
Dovadola FC 19 1653 21074
Londa FI 20 1840 22914
Modigliana FC 20 4560 27474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Faenza (58541 inhabitants)
36 Km SW of Forlì (117913 inhabitants)
42 Km S of Imola (69797 inhabitants)
43 Km W of Cesena (96758 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
58 Km N of Arezzo (99543 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
66 Km SE of Bologna (386663 inhabitants)
66 Km W of Rimini (147750 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
81 Km NE of Siena (53903 inhabitants)
94 Km W of Pesaro (94582 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
99 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
Reviewed
Rev100
ML 0.6 2020-04-02
03:22:37
43.9818 11.7453 5 2020-04-02
03:28:13
Sala Sismica INGV-Roma 77774611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 03:22:37 ± 0.22
Latitude 43.9818 ± 0.0036
Longitude 11.7453 ± 0.0075
Depth (km) 5 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77774611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 273
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77774611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 03:28:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2020-04-02T03:23:57.19 3.0 undecidable manual Sg 6.12 0
IV.ZONE.HHZ. 2020-04-02T03:23:42.63 3.0 undecidable manual Sn 1.49 0
IV.ARRO.EHZ. 2020-04-02T03:23:29.58 3.0 undecidable manual S 1.35 0
IV.ROSPO.HHZ. 2020-04-02T03:23:28.52 3.0 undecidable manual Pn 4.3 0
IV.LAV9.HHZ. 2020-04-02T03:23:21.01 3.0 negative manual Pg 3.8 0
IV.MTCE.HHZ. 2020-04-02T03:23:15.89 3.0 positive manual Pg 3.03 0
IV.RIBO.EHZ.01 2020-04-02T03:22:58.83 3.0 negative manual P -1.06 0
IV.CPGN.EHZ. 2020-04-02T03:22:55.59 3.0 undecidable manual S 0.18 0
IV.SEI.HHZ. 2020-04-02T03:22:49.04 0.3 undecidable manual S 285 31.8459 98 0.19 72
IV.CRMI.HHZ. 2020-04-02T03:22:49.53 3.0 undecidable manual P -0.15 0
IV.APEC.HHZ. 2020-04-02T03:22:49.02 3.0 negative manual P -2.07 0
IV.BRIS.HHZ. 2020-04-02T03:22:47.78 0.3 undecidable manual S 4 26.9508 100 0.61 65
IV.RUFI.EHZ. 2020-04-02T03:22:46.66 0.3 undecidable manual S 230 24.6531 101 0.27 72
IV.ASQU.HHZ. 2020-04-02T03:22:45.04 0.3 undecidable manual S 170 20.868 103 -0.04 76
IV.BRIS.HHZ. 2020-04-02T03:22:43.09 0.3 positive manual P 4 26.9508 100 -0.06 75
IV.SEI.HHZ. 2020-04-02T03:22:43.73 0.6 negative manual P 285 31.8459 98 -0.4 46
IV.RUFI.EHZ. 2020-04-02T03:22:42.53 0.6 positive manual P 230 24.6531 101 -0.18 49
IV.SFI.EHZ. 2020-04-02T03:22:42.24 0.1 undecidable manual S 136 11.7771 112 0.17 100
IV.LMD.HHZ. 2020-04-02T03:22:41.63 0.1 undecidable manual S 344 10.9779 113 -0.2 99
IV.ASQU.HHZ. 2020-04-02T03:22:41.86 0.1 positive manual P 170 20.868 103 -0.09 100
IV.RINC.HHZ. 2020-04-02T03:22:40.94 0.3 undecidable manual P 226 15.2736 107 0.06 76
IV.SFI.EHZ. 2020-04-02T03:22:40.07 0.3 undecidable manual P 136 11.7771 112 -0.14 75
IV.LMD.HHZ. 2020-04-02T03:22:39.81 0.3 positive manual P 344 10.9779 113 -0.26 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.7 0.0000724 0.26 AML other m 2020-04-02T03:22:41.69
IV.LMD.HHN. ML:0.6 0.0000585 1.52 AML other m 2020-04-02T03:22:41.91
IV.SEI.HHN. ML:1.1 0.0000578 0.3 AML other m 2020-04-02T03:22:49.38
IV.SEI.HHE. ML:0.8 0.00002845 0.48 AML other m 2020-04-02T03:22:49.38
IV.SFI.EHE. ML:0.4 0.00003483966 0.2592 AML other m 2020-04-02T03:22:44.49
IV.SFI.EHN. ML:0.5 0.000047829335 0.1392 AML other m 2020-04-02T03:22:42.25
IV.ASQU.HHE. ML:0.3 0.000015295545 0.1792 AML other m 2020-04-02T03:22:45.67
IV.ASQU.HHN. ML:0.4 0.000017985796000000002 0.1792 AML other m 2020-04-02T03:22:45.81
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