Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 28-09-2019 and time 02:56:14 (Italy) in region 5 km NE Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km NE Pietralunga (PG), on

  • 28-09-2019 00:56:14 (UTC)
  • 28-09-2019 02:56:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4780, 12.4780 at 11 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 5 2111 2111
Apecchio PU 10 1882 3993
Cantiano PU 12 2245 6238
Piobbico PU 13 2029 8267
Cagli PU 16 8731 16998
Gubbio PG 16 32216 49214
Scheggia e Pascelupo PG 17 1393 50607
Montone PG 18 1680 52287
Città di Castello PG 19 39913 92200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
60 Km SW of Pesaro (94582 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
85 Km W of Ancona (100861 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
94 Km E of Siena (53903 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 0.3 2019-09-28
00:56:14		 43.4778 12.4782 11 2020-02-28
16:42:11		 Bollettino Sismico Italiano INGV 74309021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-28 00:56:14 ± 0.04
Latitude 43.4778 ± 0.0018
Longitude 12.4782 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74309021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 227
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 74309021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-04 10:33:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.KOSI.HHZ. 2019-09-28T00:57:37.26 3.0 undecidable manual Sg -0.86 0
IV.PZUN.HHZ. 2019-09-28T00:57:20.93 3.0 undecidable manual Pg 5.72 0
IV.CMPR.HHZ. 2019-09-28T00:57:18.02 3.0 undecidable manual Pn 2.37 0
MN.BLY.HHZ. 2019-09-28T00:57:15.47 3.0 positive manual Pn 3.77 0
SL.LJU.BHZ. 2019-09-28T00:57:05.92 3.0 undecidable manual Pg 5.17 0
IV.BIOG.HHZ. 2019-09-28T00:57:03.93 3.0 undecidable manual Pn -0.95 0
IV.PARC.HHE. 2019-09-28T00:56:23.98 0.6 undecidable manual S 315 27.0507 50 0.09 47
IV.ATSC.EHE. 2019-09-28T00:56:21.30 0.3 undecidable manual S 110 17.7711 50 -0.13 72
IV.BADI.EHE. 2019-09-28T00:56:21.76 0.3 undecidable manual S 281 19.1697 50 -0.03 73
IV.ATLO.EHE. 2019-09-28T00:56:21.63 0.6 undecidable manual S 198 18.9699 50 -0.1 48
IV.FRON.EHZ. 2019-09-28T00:56:21.91 0.3 undecidable manual S 77 20.3685 50 -0.22 70
IV.TB02.DHZ. 2019-09-28T00:56:20.23 0.6 undecidable manual S 205 13.1757 130 0.1 48
IV.APEC.HHZ. 2019-09-28T00:56:19.37 0.3 undecidable manual S 332 10.0788 137 0.01 74
IV.TB03.DHZ. 2019-09-28T00:56:19.36 0.3 undecidable manual S 213 10.0788 137 0 74
IV.PARC.HHE. 2019-09-28T00:56:19.79 0.1 undecidable manual P 315 27.0507 50 0 95
IV.MURB.HHE. 2019-09-28T00:56:19.00 0.3 undecidable manual P 171 24.1536 50 -0.35 68
IV.TB01.DHZ.01 2019-09-28T00:56:19.53 0.3 undecidable manual S 198 11.1777 134 -0.1 72
IV.ATMC.EHE. 2019-09-28T00:56:19.14 0.1 undecidable manual P 262 23.2545 50 -0.07 96
IV.ATBU.EHZ. 2019-09-28T00:56:18.77 0.3 undecidable manual S 92 5.6943 153 0.31 71
IV.ATLO.EHE. 2019-09-28T00:56:18.63 0.1 undecidable manual P 198 18.9699 50 0.08 95
IV.FRON.EHZ. 2019-09-28T00:56:18.68 0.3 undecidable manual P 77 20.3685 50 -0.09 72
IV.ATSC.EHE. 2019-09-28T00:56:18.41 0.1 undecidable manual P 110 17.7711 50 0.04 96
IV.PIEI.HHZ. 2019-09-28T00:56:18.91 0.6 undecidable manual S 35 7.881 144 0.04 50
IV.BADI.EHE. 2019-09-28T00:56:18.55 0.1 undecidable manual P 281 19.1697 50 -0.03 97
IV.ATPI.EHZ. 2019-09-28T00:56:18.43 0.3 undecidable manual S 244 6.7932 148 -0.23 70
IV.ATPC.HHE. 2019-09-28T00:56:17.83 0.3 undecidable manual S 280 1.6983 171 -0.2 71
IV.TB01.DHZ.01 2019-09-28T00:56:17.38 0.1 undecidable manual P 198 11.1777 134 0.05 98
IV.TB02.DHZ. 2019-09-28T00:56:17.83 0.1 undecidable manual P 205 13.1757 130 0.21 94
IV.APEC.HHZ. 2019-09-28T00:56:17.19 0.6 undecidable manual P 332 10.0788 137 0.02 49
IV.TB03.DHZ. 2019-09-28T00:56:17.25 0.1 undecidable manual P 213 10.0788 137 0.08 97
IV.ATPI.EHZ. 2019-09-28T00:56:16.82 0.3 negative manual P 244 6.7932 148 0.05 74
IV.ATBU.EHZ. 2019-09-28T00:56:16.89 0.1 undecidable manual P 92 5.6943 153 0.23 95
IV.ATPC.HHE. 2019-09-28T00:56:16.44 0.1 undecidable manual P 280 1.6983 171 0.03 100
IV.PIEI.HHZ. 2019-09-28T00:56:16.82 0.1 positive manual P 35 7.881 144 -0.07 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.0 0.0000146 1.08 AML other m 2019-09-28T00:56:19.60
IV.APEC.HHN. ML:0.4 0.00002815 0.42 AML other m 2019-09-28T00:56:19.20
IV.PIEI.HHE. ML:0.4 0.00002765 0.64 AML other m 2019-09-28T00:56:19.39
IV.APEC.HHE. ML:0.5 0.00004225 1.06 AML other m 2019-09-28T00:56:19.43
IV.FRON.EHE. ML:0.2 0.0000111913785 0.62 AML other m 2019-09-28T00:56:22.40
IV.FRON.EHN. ML:0.6 0.000022976051 0.16 AML other m 2019-09-28T00:56:22.04
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