Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 17-06-2020 and time 00:07:54 (Italy) in region 8 km NW Pietralunga (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km NW Pietralunga (PG), on

  • 16-06-2020 22:07:54 (UTC)
  • 17-06-2020 00:07:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4840, 12.3580 at 10 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
Pietralunga PG 8 2111 2111
Apecchio PU 10 1882 3993
Città di Castello PG 10 39913 43906
Montone PG 13 1680 45586
San Giustino PG 16 11297 56883
Monte Santa Maria Tiberina PG 17 1183 58066
Piobbico PU 17 2029 60095
Mercatello sul Metauro PU 18 1378 61473
Citerna PG 20 3531 65004
Umbertide PG 20 16681 81685
Monterchi AR 20 1757 83442
Sansepolcro AR 20 15884 99326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Arezzo (99543 inhabitants)
42 Km N of Perugia (166134 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
67 Km S of Rimini (147750 inhabitants)
67 Km SW of Fano (60888 inhabitants)
73 Km S of Cesena (96758 inhabitants)
85 Km E of Siena (53903 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
94 Km E of Firenze (382808 inhabitants)
95 Km W of Ancona (100861 inhabitants)
97 Km SE of Faenza (58541 inhabitants)
100 Km E of Scandicci (50609 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 0.9 2020-06-16
22:07:54		 43.4835 12.358 10 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82761741
Reviewed
Rev100 		ML 0.9 2020-06-16
22:07:54		 43.4832 12.3592 10 2020-06-16
22:12:26		 Sala Sismica INGV-Roma 80246391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-16 22:07:54 ± 0.06
Latitude 43.4835 ± 0.0027
Longitude 12.3580 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82761741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 82761741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-09 09:54:12

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 80246391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-16 22:12:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-06-16T22:09:04.90 0.3 undecidable manual S 83 29.8479 50 5.979 0
IV.PARC.HHZ. 2020-06-16T22:08:02.20 0.3 undecidable manual S 332 20.6682 115 -0.1 73
IV.MURB.HHZ. 2020-06-16T22:08:00.16 0.1 undecidable manual P 151 27.9498 50 -0.12 95
IV.ATTE.HHZ. 2020-06-16T22:08:00.78 0.1 undecidable manual P 181 31.6461 50 -0.08 96
IV.PE3.EHZ. 2020-06-16T22:08:00.09 0.1 undecidable manual P 25 26.0517 110 0.14 95
IV.PIEI.HHZ. 2020-06-16T22:08:00.70 0.3 undecidable manual S 68 15.3735 122 0.01 75
IV.FRON.EHZ. 2020-06-16T22:08:00.42 0.1 undecidable manual P 83 29.8479 50 -0.16 94
IV.PARC.HHZ. 2020-06-16T22:07:59.08 0.1 undecidable manual P 332 20.6682 115 0.12 97
IV.APEC.HHZ. 2020-06-16T22:07:59.10 0.3 undecidable manual S 31 9.6792 135 -0.04 75
IV.NARO.HHZ. 2020-06-16T22:07:59.22 0.1 undecidable manual P 52 22.755 113 -0.13 96
IV.ATVO.HHZ. 2020-06-16T22:07:59.90 0.3 undecidable manual S 161 11.877 129 0.19 73
IV.ATMI.HHZ. 2020-06-16T22:07:58.66 0.1 undecidable manual P 204 18.0708 118 0.16 96
IV.BADI.EHZ. 2020-06-16T22:07:58.90 0.3 undecidable manual S 288 9.5793 135 -0.22 72
IV.PIEI.HHZ. 2020-06-16T22:07:58.16 0.1 undecidable manual P 68 15.3735 122 0.13 97
IV.BADI.EHZ. 2020-06-16T22:07:57.22 1.0 positive manual P 288 9.5793 135 0.1 25
IV.ATVO.HHZ. 2020-06-16T22:07:57.67 0.1 undecidable manual P 161 11.877 129 0.21 96
IV.APEC.HHZ. 2020-06-16T22:07:57.32 0.1 undecidable manual P 31 9.6792 135 0.19 97
IV.ATPI.EHZ. 2020-06-16T22:07:57.70 0.3 undecidable manual S 136 5.0949 152 -0.48 69
IV.ATPI.EHZ. 2020-06-16T22:07:56.49 0.1 undecidable manual P 136 5.0949 152 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNE. ML:1.3 0.000333 0.12 AML other m 2020-06-16T22:07:57.91
IV.ATPI.EHE. ML:1.3 0.00034399999999999996 0.1 AML other m 2020-06-16T22:07:57.91
IV.ATPI.HNN. ML:1.2 0.000266 1.88 AML other m 2020-06-16T22:07:57.03
IV.ATPI.EHN. ML:1.2 0.000272 1.9 AML other m 2020-06-16T22:07:57.03
IV.BADI.EHN. ML:0.9 0.00011624999999999999 0.2 AML other m 2020-06-16T22:07:59.16
IV.APEC.HHN. ML:0.9 0.0001008 0.3 AML other m 2020-06-16T22:07:59.42
IV.BADI.EHE. ML:1.0 0.0001205 0.76 AML other m 2020-06-16T22:07:59.57
IV.APEC.HHE. ML:1.0 0.000125 0.2 AML other m 2020-06-16T22:07:59.58
IV.ATVO.HHN. ML:0.9 0.00008735 0.26 AML other m 2020-06-16T22:08:00.30
IV.ATVO.HHE. ML:1.2 0.000175 0.54 AML other m 2020-06-16T22:08:00.25
IV.PIEI.HHN. ML:0.7 0.000045249999999999995 0.32 AML other m 2020-06-16T22:08:01.55
IV.PIEI.HHE. ML:0.7 0.0000429 0.14 AML other m 2020-06-16T22:08:01.42
IV.NARO.HHE. ML:0.6 0.000023199999999999998 0.06 AML other m 2020-06-16T22:08:02.91
IV.NARO.HHN. ML:0.5 0.0000224 0.18 AML other m 2020-06-16T22:08:03.34
IV.PARC.HHN. ML:0.6 0.00003085 0.1 AML other m 2020-06-16T22:08:03.35
IV.PARC.HHE. ML:0.7 0.00003545 0.14 AML other m 2020-06-16T22:08:03.29
IV.MURB.HHN. ML:0.9 0.000039750000000000004 1.64 AML other m 2020-06-16T22:08:06.94
IV.MURB.HHE. ML:0.8 0.00003455 1.46 AML other m 2020-06-16T22:08:06.92
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