Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 18-08-2019 and time 20:29:22 (UTC) in region 8 km SW Cantiano (PU)

A magnitude ML 0.1 earthquake occured in region: 8 km SW Cantiano (PU), on

  • 18-08-2019 20:29:22 (UTC)
  • 18-08-2019 22:29:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4300, 12.5500 at 6 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
Cantiano PU 8 2245 2245
Gubbio PG 9 32216 34461
Pietralunga PG 9 2111 36572
Scheggia e Pascelupo PG 10 1393 37965
Cagli PU 15 8731 46696
Costacciaro PG 15 1216 47912
Apecchio PU 18 1882 49794
Frontone PU 18 1300 51094
Piobbico PU 18 2029 53123
Sigillo PG 19 2404 55527
Serra Sant'Abbondio PU 19 1027 56554
Montone PG 19 1680 58234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
54 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
81 Km W of Ancona (100861 inhabitants)
83 Km SE of Cesena (96758 inhabitants)
97 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 inhabitants)
99 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 0.1 2019-08-18
20:29:22		 43.4298 12.55 6 2019-11-13
14:31:03		 Bollettino Sismico Italiano INGV 72829621
Reviewed
Rev100 		N.C. 2019-08-18
20:29:22		 43.4305 12.55 5 2019-08-18
20:37:53		 Sala Sismica INGV-Roma 71610771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-18 20:29:22 ± 0.17
Latitude 43.4298 ± 0.0027
Longitude 12.5500 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72829621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.15468
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 72829621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-27 14:47:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATLO.EHZ. 2019-08-18T20:29:29.10 0.1 undecidable manual S 222 17.1717 110 0.18 96
IV.ATSC.EHZ. 2019-08-18T20:29:27.32 0.3 undecidable manual S 93 10.9779 120 0.34 70
IV.ATPI.EHZ. 2019-08-18T20:29:27.49 0.3 undecidable manual S 281 12.1767 118 0.16 73
IV.PIEI.HHZ. 2019-08-18T20:29:27.52 0.3 undecidable manual S 354 11.7771 118 0.29 71
IV.TB01.DHZ.01 2019-08-18T20:29:27.22 0.3 undecidable manual S 240 10.6782 121 0.34 70
IV.ATLO.EHZ. 2019-08-18T20:29:26.15 0.3 undecidable manual P 222 17.1717 110 -0.09 73
IV.ATPC.HNZ. 2019-08-18T20:29:26.36 0.3 undecidable manual S 307 9.3795 124 -0.15 73
IV.ATBU.EHZ. 2019-08-18T20:29:25.28 0.3 undecidable manual S 358 5.0949 141 -0.12 74
IV.ATFO.HHZ. 2019-08-18T20:29:25.69 0.3 undecidable manual S 166 7.1928 131 -0.22 72
IV.ATSC.EHZ. 2019-08-18T20:29:25.19 0.3 undecidable manual P 93 10.9779 120 0.06 74
IV.ATPI.EHZ. 2019-08-18T20:29:25.24 0.3 undecidable manual P 281 12.1767 118 -0.08 74
IV.PIEI.HHZ. 2019-08-18T20:29:25.27 0.1 undecidable manual P 354 11.7771 118 0.01 100
IV.TB01.DHZ.01 2019-08-18T20:29:24.95 0.3 undecidable manual P 240 10.6782 121 -0.11 74
IV.ATBU.EHZ. 2019-08-18T20:29:24.08 0.1 undecidable manual P 358 5.0949 141 -0.13 99
IV.ATFO.HHZ. 2019-08-18T20:29:24.34 0.1 undecidable manual P 166 7.1928 131 -0.16 98
IV.ATPC.HNZ. 2019-08-18T20:29:24.65 0.3 undecidable manual P 307 9.3795 124 -0.2 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:-0.1 0.000012296005 0.2432 AML other m 2019-08-18T20:29:29.00
IV.ATFO.HHE. ML:0.0 0.00002987911 0.256 AML other m 2019-08-18T20:29:27.39
IV.ATPI.EHN. ML:0.1 0.000014150000000000002 0.32 AML other m 2019-08-18T20:29:28.86
IV.ATPI.EHE. ML:0.1 0.000010020875 0.4352 AML other m 2019-08-18T20:29:32.84
IV.PIEI.HHE. ML:0.2 0.000018058215 0.3072 AML other m 2019-08-18T20:29:28.47
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