Earthquake with magnitude of ML 1.0 on date 28-10-2019 and time 03:09:43 (UTC) in region 7 km SE Pietralunga (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km SE Pietralunga (PG), on

  • 28-10-2019 03:09:43 (UTC)
  • 28-10-2019 04:09:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4, 12.51 at 10 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.

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 7 2111 2111
Gubbio PG 8 32216 34327
Cantiano PU 13 2245 36572
Scheggia e Pascelupo PG 13 1393 37965
Montone PG 15 1680 39645
Costacciaro PG 17 1216 40861
Umbertide PG 18 16681 57542
Apecchio PU 19 1882 59424
Cagli PU 20 8731 68155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
52 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
85 Km W of Ancona (100861 inhabitants)
94 Km N of Terni (111501 inhabitants)
95 Km E of Siena (53903 inhabitants)
99 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
Rev 100 ML 1.0 2019-10-28
03:09:43
43.4 12.51 10 2019-10-28
07:56:22
Sala Sismica INGV-Roma 73486351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-28 03:09:43 ± 0.06
Latitude 43.40 ± 0.00
Longitude 12.51 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73486351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 73486351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-28 07:56:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2019-10-28T03:10:10.33 3.0 undecidable manual S -2.97 0
IV.ASSB.HHZ. 2019-10-28T03:09:57.28 0.3 undecidable manual S 163 0.375 50 0.04 70
IV.ATCC.EHZ. 2019-10-28T03:09:53.35 0.3 undecidable manual S 156 0.2365 110 0.32 68
IV.NARO.HHZ. 2019-10-28T03:09:52.07 0.3 undecidable manual S 14 0.2158 112 -0.21 70
IV.SSFR.HHZ. 2019-10-28T03:09:51.75 0.3 undecidable manual S 80 0.2023 113 -0.06 72
IV.ASSB.HHZ. 2019-10-28T03:09:51.08 0.1 undecidable manual P 163 0.375 50 -0.28 89
IV.FRON.EHZ. 2019-10-28T03:09:51.58 0.3 undecidable manual S 54 0.1961 114 -0.01 73
IV.APEC.HHZ. 2019-10-28T03:09:50.79 0.3 undecidable manual S 338 0.1691 117 0.14 71
IV.ATMI.HHZ. 2019-10-28T03:09:50.92 0.6 undecidable manual S 249 0.1862 115 -0.32 46
IV.MURB.HHZ. 2019-10-28T03:09:49.68 0.3 undecidable manual S 175 0.1394 122 0.05 73
IV.PIEI.HHZ. 2019-10-28T03:09:49.79 0.3 undecidable manual S 8 0.1358 122 0.27 70
IV.FRON.EHZ. 2019-10-28T03:09:48.08 0.1 undecidable manual P 54 0.1961 114 -0.02 97
IV.ATMI.HHZ. 2019-10-28T03:09:48.08 0.6 undecidable manual P 249 0.1862 115 0.18 47
IV.SSFR.HHZ. 2019-10-28T03:09:48.23 0.1 undecidable manual P 80 0.2023 113 0.01 97
IV.NARO.HHZ. 2019-10-28T03:09:48.37 0.1 undecidable manual P 14 0.2158 112 -0.13 95
IV.ATCC.EHZ. 2019-10-28T03:09:48.99 0.1 undecidable manual P 156 0.2365 110 0.06 96
IV.MURB.HHZ. 2019-10-28T03:09:47.09 0.1 undecidable manual P 175 0.1394 122 0.12 96
IV.PIEI.HHZ. 2019-10-28T03:09:47.05 0.1 undecidable manual P 8 0.1358 122 0.15 96
IV.ATPI.EHZ. 2019-10-28T03:09:47.97 0.3 undecidable manual S 303 0.0908 134 -0.19 72
IV.APEC.HHZ. 2019-10-28T03:09:47.66 0.1 undecidable manual P 338 0.1691 117 0.11 96
IV.ATPI.EHZ. 2019-10-28T03:09:46.15 0.1 undecidable manual P 303 0.0908 134 0.03 99
IV.ATFO.HHZ. 2019-10-28T03:09:46.97 0.3 undecidable manual S 127 0.0585 146 -0.37 70
IV.ATFO.HHZ. 2019-10-28T03:09:45.65 0.1 undecidable manual P 127 0.0585 146 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.9 0.000132 0.76 AML other m 2019-10-28T03:09:47.53
IV.ATFO.HHE. ML:1 0.0001785 0.62 AML other m 2019-10-28T03:09:47.76
IV.PIEI.HHE. ML:0.8 6.54E-5 0.26 AML other m 2019-10-28T03:09:50.23
IV.MURB.HHE. ML:1.2 0.0001505 0.12 AML other m 2019-10-28T03:09:50.24
IV.MURB.HHN. ML:1.4 0.0002265 0.22 AML other m 2019-10-28T03:09:50.61
IV.PIEI.HHN. ML:0.8 6.295E-5 0.36 AML other m 2019-10-28T03:09:50.56
IV.SSFR.HHE. ML:1.1 8.725E-5 0.16 AML other m 2019-10-28T03:09:52.52
IV.SSFR.HHN. ML:1.1 8.28E-5 0.18 AML other m 2019-10-28T03:09:52.60
IV.FRON.EHN. ML:0.8 4.47E-5 0.38 AML other m 2019-10-28T03:09:52.49
IV.FRON.EHE. ML:0.6 2.335E-5 0.82 AML other m 2019-10-28T03:09:53.91
IV.ATCC.EHN. ML:1.1 6.86E-5 0.22 AML other m 2019-10-28T03:09:53.62
IV.ATCC.EHE. ML:0.9 4.26E-5 1.4 AML other m 2019-10-28T03:09:54.81
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download