Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 26-06-2020 and time 13:59:55 (UTC) in region 4 km W Arcevia (AN)

A magnitude ML 0.5 earthquake occured in region: 4 km W Arcevia (AN), on

  • 26-06-2020 13:59:55 (UTC)
  • 26-06-2020 15:59:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4860, 12.9020 at 23 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
Arcevia AN 4 4612 4612
Sassoferrato AN 6 7285 11897
Genga AN 7 1797 13694
Serra San Quirico AN 10 2850 16544
Pergola PU 10 6333 22877
Serra Sant'Abbondio PU 11 1027 23904
Mergo AN 11 1037 24941
Serra de' Conti AN 13 3746 28687
Frontone PU 14 1300 29987
Rosora AN 14 1985 31972
San Lorenzo in Campo PU 14 3414 35386
Montecarotto AN 14 1987 37373
Poggio San Marcello AN 15 693 38066
Barbara AN 15 1368 39434
Castelplanio AN 15 3540 42974
Castelleone di Suasa AN 15 1676 44650
Fratte Rosa PU 16 966 45616
Fabriano AN 17 31480 77096
Maiolati Spontini AN 18 6248 83344
Cupramontana AN 18 4756 88100
Ostra Vetere AN 18 3311 91411
Poggio San Vicino MC 19 246 91657
Monte Roberto AN 19 3061 94718
Cerreto d'Esi AN 20 3817 98535
Castelbellino AN 20 4947 103482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Fano (60888 inhabitants)
47 Km S of Pesaro (94582 inhabitants)
52 Km W of Ancona (100861 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
61 Km N of Foligno (57155 inhabitants)
70 Km SE of Rimini (147750 inhabitants)
82 Km E of Arezzo (99543 inhabitants)
90 Km SE of Cesena (96758 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 0.5 2020-06-26
13:59:55		 43.4857 12.9022 23 2020-06-26
14:17:02		 Sala Sismica INGV-Roma 80527881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-26 13:59:55 ± 0.1
Latitude 43.4857 ± 0.0036
Longitude 12.9022 ± 0.0050
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80527881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 80527881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-26 14:17:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.HNZ. 2020-06-26T14:01:24.04 3.0 undecidable manual Sg 3.49 0
GU.CIRO.HHZ. 2020-06-26T14:01:24.28 3.0 undecidable manual Pg 19.940001 0
GU.RORO.HHZ. 2020-06-26T14:01:12.99 3.0 undecidable manual Pg 17.6 0
IV.MAON.HHZ. 2020-06-26T14:01:09.96 3.0 undecidable manual Sn 0.61 0
GU.PCP.HHZ. 2020-06-26T14:01:05.91 3.0 undecidable manual Pg 14.44 0
IV.FIR.HHZ. 2020-06-26T14:01:03.02 3.0 undecidable manual Sn -0.5 0
RD.PGF.BHZ. 2020-06-26T14:00:59.28 3.0 undecidable manual Pg 12.02 0
TV.SF04.EHZ. 2020-06-26T14:00:58.48 3.0 undecidable manual Sn 0.95 0
IX.STN3.HHZ.02 2020-06-26T14:00:52.72 3.0 undecidable manual Sn -2.5 0
IV.PTRJ.HHZ. 2020-06-26T14:00:51.86 3.0 undecidable manual Sg 13.23 0
IV.VITU.HHZ. 2020-06-26T14:00:46.35 3.0 undecidable manual Sn 4.19 0
IV.ASSB.HHZ. 2020-06-26T14:00:42.23 1.0 undecidable manual Sg 3.26 0.73
IV.VVLD.HHZ. 2020-06-26T14:00:36.15 3.0 undecidable manual Sn -0.93 0
IV.ROSPO.HHZ. 2020-06-26T14:00:18.19 3.0 undecidable manual Sg 2.06 0
IV.IMOL.HNZ. 2020-06-26T14:00:18.05 3.0 positive manual Pg -2.23 0
IV.SFI.EHZ. 2020-06-26T14:00:14.34 3.0 undecidable manual Pg -3.46 0
IV.VIVA.HHZ. 2020-06-26T14:00:12.30 3.0 positive manual Pn -3.82 0
IV.PIEI.HHZ. 2020-06-26T14:00:07.00 0.3 undecidable manual S 281 30.0477 120 -0.02 96
IV.FOSV.EHZ. 2020-06-26T14:00:05.72 0.3 undecidable manual S 208 24.0537 127 0.03 97
IV.MPAG.EHZ. 2020-06-26T14:00:04.80 0.3 undecidable manual S 324 19.6692 134 0.01 98
IV.PIEI.HHZ. 2020-06-26T14:00:02.34 0.6 undecidable manual P 281 30.0477 120 0.13 62
IV.ARVD.HHZ. 2020-06-26T14:00:02.69 0.3 undecidable manual S 67 3.4965 170 -0.01 100
IV.FOSV.EHZ. 2020-06-26T14:00:01.36 0.3 undecidable manual P 208 24.0537 127 -0.08 96
IV.FRON.EHZ. 2020-06-26T14:00:00.37 0.6 undecidable manual P 284 14.6742 143 -0.04 65
IV.MPAG.EHZ. 2020-06-26T14:00:00.88 0.3 undecidable manual P 324 19.6692 134 -0.04 97
IV.ARVD.HHZ. 2020-06-26T13:59:59.77 0.3 undecidable manual P 67 3.4965 170 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0.0 0.00003185613 0.096 AML other m 2020-06-26T14:00:03.01
IV.ARVD.HHE. ML:0.0 0.00004590191 0.1856 AML other m 2020-06-26T14:00:02.76
IV.FRON.EHE. ML:0.0 0.000020362274999999998 0.16 AML other m 2020-06-26T14:00:04.04
IV.MPAG.EHE. ML:0.0 0.0000177613375 0.1024 AML other m 2020-06-26T14:00:04.93
IV.MPAG.EHN. ML:0.0 0.000015846108 0.096 AML other m 2020-06-26T14:00:04.94
IV.FOSV.EHE. ML:0.0 0.000015494734 0.0768 AML other m 2020-06-26T14:00:05.85
IV.FOSV.EHN. ML:0.0 0.000015687600000000002 0.1024 AML other m 2020-06-26T14:00:05.93
IV.PIEI.HHN. ML:0.0 0.000009296397 0.096 AML other m 2020-06-26T14:00:07.15
IV.PIEI.HHE. ML:0.0 0.0000084855635 0.1216 AML other m 2020-06-26T14:00:07.19
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