Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 17-06-2020 and time 00:24:03 (Italy) in region 4 km SW Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Valfabbrica (PG), on

  • 16-06-2020 22:24:03 (UTC)
  • 17-06-2020 00:24:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1380, 12.5600 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.

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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
Valfabbrica PG 4 3389 3389
Bastia Umbra PG 8 21874 25263
Assisi PG 9 28299 53562
Perugia PG 14 166134 219696
Bettona PG 15 4367 224063
Cannara PG 16 4305 228368
Torgiano PG 16 6725 235093
Valtopina PG 18 1398 236491
Spello PG 19 8645 245136
Nocera Umbra PG 19 5839 250975

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Perugia (166134 inhabitants)
23 Km NW of Foligno (57155 inhabitants)
65 Km N of Terni (111501 inhabitants)
66 Km SE of Arezzo (99543 inhabitants)
87 Km SW of Fano (60888 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Pesaro (94582 inhabitants)
94 Km SW of Ancona (100861 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 1.0 2020-06-16
22:24:03		 43.1385 12.5598 9 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82762131
Reviewed
Rev100 		ML 1.0 2020-06-16
22:24:03		 43.138 12.5652 10 2020-06-16
22:27:50		 Sala Sismica INGV-Roma 80246761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-16 22:24:03 ± 0.06
Latitude 43.1385 ± 0.0027
Longitude 12.5598 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82762131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 82762131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-09 09:58:25

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 80246761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-16 22:27:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-06-16T22:24:22.25 0.1 undecidable manual S 127 56.2992 50 0.45 86
IV.NARO.HHZ. 2020-06-16T22:24:20.98 0.1 undecidable manual S 2 52.4031 50 0.21 91
IV.FRON.EHZ. 2020-06-16T22:24:18.50 0.1 undecidable manual S 18 44.1225 50 -0.06 95
IV.FDMO.HHZ. 2020-06-16T22:24:18.61 0.1 undecidable manual S 105 44.2224 50 0.04 95
IV.SSFR.HHZ. 2020-06-16T22:24:16.74 0.1 undecidable manual S 28 37.629 50 -0.06 96
IV.CESI.HHZ. 2020-06-16T22:24:15.14 0.6 undecidable manual S 118 31.6461 50 -0.07 48
IV.ATMI.HHZ. 2020-06-16T22:24:15.23 0.6 undecidable manual S 313 32.0457 50 -0.1 48
IV.ATVO.HHZ. 2020-06-16T22:24:14.47 0.6 undecidable manual S 335 29.748 107 -0.12 48
IV.NRCA.HHZ. 2020-06-16T22:24:14.10 0.3 negative manual P 127 56.2992 50 -0.1 69
IV.ATFO.HHZ. 2020-06-16T22:24:13.49 0.6 undecidable manual S 2 25.3524 109 0.35 46
IV.NARO.HHZ. 2020-06-16T22:24:13.55 0.6 positive manual P 2 52.4031 50 -0.06 47
IV.EL6.EHZ. 2020-06-16T22:24:13.00 0.6 undecidable manual P 64 48.618 50 -0.02 47
IV.FDMO.HHZ. 2020-06-16T22:24:12.12 1.0 negative manual P 105 44.2224 50 -0.22 23
IV.FRON.EHZ. 2020-06-16T22:24:12.16 1.0 positive manual P 18 44.1225 50 -0.17 23
IV.FOSV.EHZ. 2020-06-16T22:24:12.55 0.6 undecidable manual S 43 23.754 110 -0.09 49
IV.SSFR.HHZ. 2020-06-16T22:24:11.26 0.6 undecidable manual P 28 37.629 50 -0.06 48
IV.ATMI.HHZ. 2020-06-16T22:24:10.41 0.1 undecidable manual P 313 32.0457 50 -0.06 97
IV.SNTG.HHZ. 2020-06-16T22:24:10.59 0.6 positive manual P 67 33.4443 50 -0.08 48
IV.CESI.HHZ. 2020-06-16T22:24:10.18 0.1 undecidable manual P 118 31.6461 50 -0.22 94
IV.ASSB.HHZ. 2020-06-16T22:24:09.36 0.6 undecidable manual S 143 13.2756 124 -0.03 50
IV.ATFO.HHZ. 2020-06-16T22:24:09.28 0.6 undecidable manual P 2 25.3524 109 0.08 49
IV.MURB.HHZ. 2020-06-16T22:24:09.96 0.6 undecidable manual S 348 14.0748 122 0.35 47
IV.ATVO.HHZ. 2020-06-16T22:24:09.76 0.6 undecidable manual P 335 29.748 107 -0.29 46
IV.FOSV.EHZ. 2020-06-16T22:24:08.81 0.6 positive manual P 43 23.754 110 -0.1 49
IV.ATCC.EHZ. 2020-06-16T22:24:07.79 0.6 undecidable manual S 51 8.2806 137 -0.26 49
IV.ASSB.HHZ. 2020-06-16T22:24:07.11 0.1 negative manual P 143 13.2756 124 0.07 100
IV.MURB.HHZ. 2020-06-16T22:24:07.34 0.1 negative manual P 348 14.0748 122 0.18 98
IV.ATCC.EHZ. 2020-06-16T22:24:06.25 1.0 undecidable manual P 51 8.2806 137 -0.01 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.5 0.0004665 0.32 AML other m 2020-06-16T22:24:08.19
IV.ATCC.EHE. ML:1.4 0.00042300000000000004 0.24 AML other m 2020-06-16T22:24:08.20
IV.ASSB.HHE. ML:1.2 0.00017549999999999998 0.36 AML other m 2020-06-16T22:24:10.07
IV.MURB.HNE. ML:1.6 0.00039600000000000003 0.28 AML other m 2020-06-16T22:24:10.14
IV.MURB.HHE. ML:1.6 0.0004465 0.32 AML other m 2020-06-16T22:24:10.28
IV.ASSB.HHN. ML:1.3 0.0001995 0.58 AML other m 2020-06-16T22:24:10.36
IV.MURB.HHN. ML:1.6 0.000374 1.02 AML other m 2020-06-16T22:24:11.21
IV.MURB.HNN. ML:1.5 0.000315 0.34 AML other m 2020-06-16T22:24:11.22
IV.FOSV.EHE. ML:0.6 0.000024399999999999997 0.86 AML other m 2020-06-16T22:24:12.44
IV.FOSV.EHN. ML:0.7 0.00003335 0.14 AML other m 2020-06-16T22:24:12.84
IV.ATFO.HHN. ML:0.9 0.000044200000000000004 0.64 AML other m 2020-06-16T22:24:13.92
IV.ATVO.HHN. ML:0.8 0.00002975 1.08 AML other m 2020-06-16T22:24:14.62
IV.ATFO.HHE. ML:0.8 0.0000332 0.18 AML other m 2020-06-16T22:24:15.20
IV.ATVO.HHE. ML:0.8 0.00002765 0.14 AML other m 2020-06-16T22:24:15.28
IV.SNTG.HHN. ML:0.8 0.0000286 0.54 AML other m 2020-06-16T22:24:15.90
IV.CESI.HHN. ML:0.9 0.000034500000000000005 0.88 AML other m 2020-06-16T22:24:15.74
IV.SNTG.HHE. ML:0.8 0.00002715 1.48 AML other m 2020-06-16T22:24:15.17
IV.CESI.HHE. ML:0.9 0.0000371 0.44 AML other m 2020-06-16T22:24:15.74
IV.ATMI.HHE. ML:1.0 0.0000502 0.58 AML other m 2020-06-16T22:24:16.52
IV.ATMI.HHN. ML:1.0 0.000042550000000000004 1.02 AML other m 2020-06-16T22:24:16.36
IV.SSFR.HHN. ML:1.3 0.0000752 0.66 AML other m 2020-06-16T22:24:17.53
IV.SSFR.HHE. ML:1.2 0.000060950000000000004 1.38 AML other m 2020-06-16T22:24:17.83
IV.FDMO.HHN. ML:0.9 0.00002485 0.22 AML other m 2020-06-16T22:24:18.83
IV.FDMO.HHE. ML:0.9 0.000026099999999999997 1.08 AML other m 2020-06-16T22:24:19.58
IV.FRON.EHE. ML:1.0 0.0000277 0.12 AML other m 2020-06-16T22:24:19.64
IV.FRON.EHN. ML:0.9 0.000022800000000000002 0.84 AML other m 2020-06-16T22:24:20.52
IV.NARO.HHE. ML:0.6 0.000009805000000000002 1.24 AML other m 2020-06-16T22:24:21.13
IV.NARO.HHN. ML:0.6 0.00000793 0.78 AML other m 2020-06-16T22:24:22.54
IV.NRCA.HHN. ML:1.0 0.0000226 0.26 AML other m 2020-06-16T22:24:23.48
IV.NRCA.HHE. ML:1.0 0.00001995 1.08 AML other m 2020-06-16T22:24:23.24
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