Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-06-2020 and time 20:38:46 (UTC) in region 6 km NW Apecchio (PU)

A magnitude ML 1.2 earthquake occured in region: 6 km NW Apecchio (PU), on

  • 04-06-2020 20:38:46 (UTC)
  • 04-06-2020 22:38:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5880, 12.3520 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Apecchio PU 6 1882 1882
Mercatello sul Metauro PU 7 1378 3260
Borgo Pace PU 9 606 3866
Sant'Angelo in Vado PU 10 4133 7999
Piobbico PU 13 2029 10028
Sestino AR 14 1355 11383
Belforte all'Isauro PU 15 769 12152
San Giustino PG 15 11297 23449
Piandimeleto PU 16 2167 25616
Urbania PU 17 7099 32715
Peglio PU 17 696 33411
Sansepolcro AR 17 15884 49295
Città di Castello PG 17 39913 89208
Lunano PU 18 1527 90735
Pietralunga PG 18 2111 92846
Badia Tedalda AR 19 1087 93933
Frontino PU 20 293 94226

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Arezzo (99543 inhabitants)
54 Km N of Perugia (166134 inhabitants)
55 Km SW of Rimini (147750 inhabitants)
58 Km SW of Pesaro (94582 inhabitants)
61 Km W of Fano (60888 inhabitants)
62 Km S of Cesena (96758 inhabitants)
75 Km SE of Forlì (117913 inhabitants)
76 Km NW of Foligno (57155 inhabitants)
86 Km SE of Faenza (58541 inhabitants)
88 Km E of Siena (53903 inhabitants)
90 Km E of Firenze (382808 inhabitants)
93 Km S of Ravenna (159116 inhabitants)
94 Km W of Ancona (100861 inhabitants)
96 Km E of Scandicci (50609 inhabitants)
99 Km SE of Imola (69797 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 1.2 2020-06-04
20:38:46		 43.5882 12.352 10 2020-06-04
20:47:44		 Sala Sismica INGV-Roma 79906331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-04 20:38:46 ± 0.07
Latitude 43.5882 ± 0.0036
Longitude 12.3520 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79906331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.29138
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79906331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-04 20:47:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-06-04T20:38:57.01 0.6 undecidable manual S 104 31.0467 50 -0.16 48
IV.CRE.HHZ. 2020-06-04T20:38:57.47 0.6 undecidable manual S 276 32.3454 50 -0.04 49
IV.ATVO.HHZ. 2020-06-04T20:38:54.91 0.6 undecidable manual S 169 23.2545 113 -0.1 49
IV.ATBU.EHZ. 2020-06-04T20:38:54.79 0.3 undecidable manual S 128 20.0688 117 0.78 61
IV.NARO.HHZ. 2020-06-04T20:38:53.07 0.3 undecidable manual S 82 18.5703 119 -0.46 68
IV.ATMC.EHZ. 2020-06-04T20:38:53.81 0.6 undecidable manual S 219 20.2686 117 -0.24 48
IV.PE3.EHZ. 2020-06-04T20:38:53.21 0.6 undecidable manual S 44 16.6722 121 0.25 48
IV.ATPI.EHZ. 2020-06-04T20:38:52.64 0.6 undecidable manual S 165 15.7731 123 -0.06 50
IV.FRON.EHZ. 2020-06-04T20:38:52.30 0.3 positive manual P 104 31.0467 50 -0.23 70
IV.ATPC.HHZ. 2020-06-04T20:38:52.34 0.6 undecidable manual S 145 14.5743 125 -0.02 50
IV.CRE.HHZ. 2020-06-04T20:38:52.78 0.1 negative manual P 276 32.3454 50 0.05 97
IV.PIEI.HHZ. 2020-06-04T20:38:52.39 0.6 undecidable manual S 111 15.7731 123 -0.32 47
IV.ATBU.EHZ. 2020-06-04T20:38:51.14 0.3 undecidable manual P 128 20.0688 117 0.43 69
IV.PARC.HHZ. 2020-06-04T20:38:51.27 0.3 undecidable manual S 306 11.2776 132 -0.19 73
IV.BADI.EHZ. 2020-06-04T20:38:51.58 0.3 undecidable manual S 225 12.2766 129 -0.14 74
IV.ATVO.HHZ. 2020-06-04T20:38:51.29 0.1 positive manual P 169 23.2545 113 0 100
IV.APEC.HHZ. 2020-06-04T20:38:50.11 0.6 undecidable manual S 121 6.3936 148 -0.23 49
IV.SSP9.EHZ. 2020-06-04T20:38:50.45 0.3 negative manual P 265 17.7711 120 0.15 73
IV.NARO.HHZ. 2020-06-04T20:38:50.21 1.0 undecidable manual P 82 18.5703 119 -0.22 24
IV.ATMC.EHZ. 2020-06-04T20:38:50.64 0.6 undecidable manual P 219 20.2686 117 -0.09 49
IV.PE3.EHZ. 2020-06-04T20:38:50.33 0.3 negative manual P 44 16.6722 121 0.22 72
IV.PIEI.HHZ. 2020-06-04T20:38:49.79 0.1 positive manual P 111 15.7731 123 -0.17 97
IV.ATPI.EHZ. 2020-06-04T20:38:49.99 0.6 negative manual P 165 15.7731 123 0.04 50
IV.ATPC.HHZ. 2020-06-04T20:38:49.84 0.1 undecidable manual P 145 14.5743 125 0.09 99
IV.PARC.HHZ. 2020-06-04T20:38:49.44 0.3 undecidable manual P 306 11.2776 132 0.2 73
IV.BADI.EHZ. 2020-06-04T20:38:49.46 0.1 positive manual P 225 12.2766 129 0.07 100
IV.APEC.HHZ. 2020-06-04T20:38:48.61 1.0 undecidable manual P 121 6.3936 148 0.01 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:1.5 0.0004925000000000001 0.44 AML other m 2020-06-04T20:38:50.81
IV.APEC.HHN. ML:1.3 0.00033650000000000005 1.44 AML other m 2020-06-04T20:38:51.09
IV.BADI.EHE. ML:1.5 0.00033650000000000005 0.3 AML other m 2020-06-04T20:38:51.62
IV.BADI.EHN. ML:1.6 0.0005285 0.34 AML other m 2020-06-04T20:38:51.63
IV.PARC.HHN. ML:1.1 0.00015150000000000002 0.7 AML other m 2020-06-04T20:38:51.80
IV.PARC.HHE. ML:1.2 0.00017649999999999998 0.88 AML other m 2020-06-04T20:38:52.22
IV.ATPI.EHE. ML:1.1 0.00010284999999999999 0.64 AML other m 2020-06-04T20:38:53.37
IV.PIEI.HHE. ML:1.3 0.0001825 0.14 AML other m 2020-06-04T20:38:53.38
IV.PIEI.HHN. ML:1.1 0.00011499999999999999 0.1 AML other m 2020-06-04T20:38:53.39
IV.NARO.HHN. ML:1.1 0.00010334999999999999 0.52 AML other m 2020-06-04T20:38:54.27
IV.NARO.HHE. ML:1.1 0.00008774999999999999 1.18 AML other m 2020-06-04T20:38:54.29
IV.ATPI.EHN. ML:1.0 0.00008645 0.94 AML other m 2020-06-04T20:38:55.95
IV.ATVO.HHN. ML:1.2 0.00010664999999999999 0.48 AML other m 2020-06-04T20:38:55.70
IV.ATVO.HHE. ML:1.4 0.00017099999999999998 0.7 AML other m 2020-06-04T20:38:55.43
IV.FRON.EHN. ML:1.4 0.0001095 0.16 AML other m 2020-06-04T20:38:57.85
IV.FRON.EHE. ML:0.9 0.00003955 1.1 AML other m 2020-06-04T20:38:58.44
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