Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 20-08-2020 and time 01:00:01 (Italy) in region 5 km S Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 5 km S Pietralunga (PG), on

  • 19-08-2020 23:00:01 (UTC)
  • 20-08-2020 01:00:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4010, 12.4320 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 2111 2111
Montone PG 9 1680 3791
Gubbio PG 13 32216 36007
Umbertide PG 13 16681 52688
Città di Castello PG 17 39913 92601
Apecchio PU 18 1882 94483
Cantiano PU 18 2245 96728
Scheggia e Pascelupo PG 19 1393 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
68 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
89 Km E of Siena (53903 inhabitants)
91 Km W of Ancona (100861 inhabitants)
95 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 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 0.2 2020-08-19
23:00:01		 43.4007 12.4325 8 2020-11-19
12:37:01		 Bollettino Sismico Italiano INGV 82808091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 23:00:01 ± 0.09
Latitude 43.4007 ± 0.0027
Longitude 12.4325 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82808091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 82808091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-11 07:35:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-08-19T23:00:10.92 0.3 undecidable manual S 61 26.9508 106 -0.4 66
IV.ARVD.HHZ. 2020-08-19T23:00:09.49 0.6 undecidable manual P 75 42.4242 50 -0.42 43
IV.ATSC.EHZ. 2020-08-19T23:00:09.28 0.3 undecidable manual S 83 20.6682 111 0.04 72
IV.PARC.HHE. 2020-08-19T23:00:08.37 0.3 undecidable manual P 331 31.6461 104 0.27 68
IV.MURB.HHZ. 2020-08-19T23:00:08.14 0.3 undecidable manual S 154 16.9719 115 0.07 72
IV.BADI.EHZ. 2020-08-19T23:00:08.92 0.3 undecidable manual S 309 19.3695 112 0.08 72
IV.ATCC.HNZ. 2020-08-19T23:00:08.00 0.3 undecidable manual P 145 29.1486 105 0.38 66
IV.PIEI.HHZ. 2020-08-19T23:00:08.30 0.3 undecidable manual S 29 17.0718 115 0.18 71
IV.FRON.EHZ. 2020-08-19T23:00:07.07 0.6 undecidable manual P 61 26.9508 106 -0.12 47
IV.SSFR.HHZ. 2020-08-19T23:00:07.37 0.3 undecidable manual P 82 28.4493 106 -0.12 70
IV.ATBU.EHZ. 2020-08-19T23:00:07.20 0.3 undecidable manual S 48 12.4764 123 0.49 67
IV.ATLO.EHZ. 2020-08-19T23:00:06.11 0.3 undecidable manual S 192 9.6792 129 0.19 71
IV.ATFO.HHZ. 2020-08-19T23:00:06.52 0.3 undecidable manual S 109 11.7771 124 0.01 74
IV.NARO.HHZ. 2020-08-19T23:00:06.72 0.3 undecidable manual P 27 26.1516 107 -0.33 67
IV.PIEI.HHZ. 2020-08-19T23:00:05.49 0.3 undecidable manual P 29 17.0718 115 0.15 71
IV.ATMC.EHZ. 2020-08-19T23:00:05.51 0.3 undecidable manual P 285 19.9689 112 -0.37 68
IV.MURB.HHZ. 2020-08-19T23:00:05.06 0.6 undecidable manual P 154 16.9719 115 -0.26 46
IV.ATSC.EHZ. 2020-08-19T23:00:05.68 0.3 undecidable manual P 83 20.6682 111 -0.31 68
IV.BADI.EHZ. 2020-08-19T23:00:05.73 0.6 undecidable manual P 309 19.3695 112 -0.04 48
IV.ATPC.HHZ. 2020-08-19T23:00:05.84 0.3 undecidable manual S 13 9.0798 131 0.08 73
IV.ATFO.HHZ. 2020-08-19T23:00:04.37 0.6 undecidable manual P 109 11.7771 124 -0.05 49
IV.TB01.DHZ.01 2020-08-19T23:00:04.14 0.1 undecidable manual S 173 2.0979 165 -0.29 95
IV.ATVO.HNZ. 2020-08-19T23:00:04.28 0.3 undecidable manual S 226 2.8971 160 -0.23 72
IV.ATBU.EHZ. 2020-08-19T23:00:04.69 0.3 undecidable manual P 48 12.4764 123 0.15 72
IV.ATPC.HHZ. 2020-08-19T23:00:04.18 0.3 undecidable manual P 13 9.0798 131 0.19 72
IV.TB02.DHZ.01 2020-08-19T23:00:04.58 0.3 undecidable manual S 209 3.7962 154 -0.06 74
IV.ATPI.EHZ. 2020-08-19T23:00:04.85 0.3 undecidable manual S 336 6.0939 143 -0.19 72
IV.ATLO.EHZ. 2020-08-19T23:00:04.42 0.3 undecidable manual P 192 9.6792 129 0.34 69
IV.TB03.DHZ.01 2020-08-19T23:00:04.27 0.3 undecidable manual S 273 1.7982 167 -0.13 73
IV.ATMI.HHZ. 2020-08-19T23:00:04.82 0.6 undecidable manual P 241 15.1737 118 -0.18 47
IV.TB01.DHZ.01 2020-08-19T23:00:03.27 0.1 undecidable manual P 173 2.0979 165 0.06 99
IV.ATVO.HNZ. 2020-08-19T23:00:03.34 0.1 undecidable manual P 226 2.8971 160 0.08 99
IV.TB02.DHZ.01 2020-08-19T23:00:03.49 0.1 undecidable manual P 209 3.7962 154 0.16 97
IV.ATPI.EHZ. 2020-08-19T23:00:03.64 0.3 undecidable manual P 336 6.0939 143 0.07 74
IV.TB03.DHZ.01 2020-08-19T23:00:03.22 0.1 undecidable manual P 273 1.7982 167 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.2 0.000019849999999999998 0.12 AML other m 2020-08-19T23:00:06.85
IV.ATFO.HHE. ML:0.2 0.0000204 1.82 AML other m 2020-08-19T23:00:07.96
IV.BADI.EHN. ML:0.5 0.0000236 0.4 AML other m 2020-08-19T23:00:09.71
IV.BADI.EHE. ML:0.3 0.0000174 0.98 AML other m 2020-08-19T23:00:09.49
IV.ATPI.EHE. ML:0.4 0.000044226989999999994 0.4864 AML other m 2020-08-19T23:00:04.95
IV.ATPI.EHN. ML:0.2 0.000032309215 0.3328 AML other m 2020-08-19T23:00:05.08
IV.MURB.HHN. ML:0.0 0.0000092723535 1.7408 AML other m 2020-08-19T23:00:07.90
IV.MURB.HHE. ML:0.2 0.000013137585 1.2928 AML other m 2020-08-19T23:00:08.66
IV.PIEI.HHE. ML:0.2 0.00001292858 0.3456 AML other m 2020-08-19T23:00:08.78
IV.PIEI.HHN. ML:0.0 0.000012299464999999999 0.32 AML other m 2020-08-19T23:00:08.78
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