Earthquake with magnitude of ML 1.0 on date 16-08-2021 and time 08:08:55 (Italy) in region 7 km SW Cantiano (PU)

A magnitude ML 1.0 earthquake occured in region: 7 km SW Cantiano (PU), on

  • 16-08-2021 06:08:55 (UTC)
  • 16-08-2021 08:08:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4320, 12.5580 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.

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 7 2245 2245
Gubbio PG 9 32216 34461
Scheggia e Pascelupo PG 9 1393 35854
Pietralunga PG 10 2111 37965
Costacciaro PG 15 1216 39181
Cagli PU 15 8731 47912
Frontone PU 17 1300 49212
Piobbico PU 18 2029 51241
Apecchio PU 18 1882 53123
Serra Sant'Abbondio PU 19 1027 54150
Sigillo PG 19 2404 56554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
54 Km N of Foligno (57155 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
59 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
80 Km W of Ancona (100861 inhabitants)
82 Km SE of Cesena (96758 inhabitants)
97 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 1.0 2021-08-16
06:08:55
43.432 12.5582 10 2021-12-29
11:12:21
Bollettino Sismico Italiano INGV 94377251
Reviewed
Rev100
ML 1.1 2021-08-16
06:08:55
43.4337 12.5577 10 2021-08-16
06:23:52
Sala Sismica INGV-Roma 94234991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-16 06:08:55 ± 0.03
Latitude 43.4320 ± 0.0018
Longitude 12.5582 ± 0.0025
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 94377251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 187
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 155
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.31656
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 94234991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-16 06:23:52

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 94377251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 17:06:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-08-16T06:09:05.79 0.6 undecidable manual S 166 28.1496 50 0.25 46
IV.MPAG.EHZ. 2021-08-16T06:09:05.17 0.3 undecidable manual S 36 27.2505 50 -0.12 72
IV.SSFR.HNZ. 2021-08-16T06:09:02.55 0.6 undecidable manual S 88 18.0708 120 -0.02 49
IV.APEC.HNN. 2021-08-16T06:09:02.83 0.6 undecidable manual S 322 17.871 120 0.3 47
IV.ATLO.EHZ. 2021-08-16T06:09:02.28 0.6 undecidable manual S 223 17.7711 120 -0.21 48
IV.PARC.HHZ. 2021-08-16T06:09:02.38 0.3 undecidable manual P 313 35.1426 50 0.06 71
IV.NARO.HHZ. 2021-08-16T06:09:02.88 0.6 undecidable manual S 5 19.9689 117 -0.26 47
IV.PE3.EHE. 2021-08-16T06:09:01.64 0.3 undecidable manual P 350 29.748 50 0.16 71
IV.ATCC.EHZ. 2021-08-16T06:09:01.19 0.1 undecidable manual P 166 28.1496 50 -0.05 96
IV.ATPI.EHZ. 2021-08-16T06:09:01.02 0.1 undecidable manual S 279 12.7761 129 -0.02 100
IV.TB02.DHZ.01 2021-08-16T06:09:01.25 0.1 undecidable manual S 240 13.7751 127 -0.08 98
IV.FRON.EHZ. 2021-08-16T06:09:01.95 0.6 undecidable manual S 55 16.4724 122 -0.16 48
IV.TB03.DHZ.01 2021-08-16T06:09:00.83 0.3 undecidable manual S 254 12.3765 130 -0.12 73
IV.PIEI.HHZ. 2021-08-16T06:09:00.74 0.3 undecidable manual S 351 11.6772 131 -0.01 75
IV.TB01.DHZ.01 2021-08-16T06:09:00.56 0.6 undecidable manual S 241 11.3775 132 -0.11 49
IV.ATVO.HHZ. 2021-08-16T06:09:00.97 0.3 undecidable manual S 246 13.3755 127 -0.25 71
IV.ATPC.HNZ. 2021-08-16T06:09:00.50 0.6 undecidable manual S 304 9.7791 136 0.22 48
IV.ATSC.EHZ. 2021-08-16T06:09:00.59 0.3 undecidable manual S 95 10.3785 135 0.16 73
IV.MPAG.EHZ. 2021-08-16T06:09:00.98 0.1 undecidable manual P 36 27.2505 50 -0.12 95
IV.ATLO.EHZ. 2021-08-16T06:08:59.41 0.1 undecidable manual P 223 17.7711 120 -0.07 98
IV.NARO.HHZ. 2021-08-16T06:08:59.68 0.1 undecidable manual P 5 19.9689 117 -0.18 95
IV.FRON.EHZ. 2021-08-16T06:08:59.20 0.1 positive manual P 55 16.4724 122 -0.06 98
IV.SSFR.HNZ. 2021-08-16T06:08:59.43 0.1 undecidable manual P 88 18.0708 120 -0.1 97
IV.APEC.HNN. 2021-08-16T06:08:59.57 0.3 undecidable manual P 322 17.871 120 0.07 73
IV.ATFO.HHZ. 2021-08-16T06:08:59.79 0.1 undecidable manual S 172 7.2927 144 0.05 100
IV.ATFO.HHZ. 2021-08-16T06:08:58.00 0.1 undecidable manual P 172 7.2927 144 0.11 99
IV.TB02.DHZ.01 2021-08-16T06:08:58.84 0.1 undecidable manual P 240 13.7751 127 0.03 99
IV.ATSC.EHZ. 2021-08-16T06:08:58.41 0.1 undecidable manual P 95 10.3785 135 0.12 98
IV.TB03.DHZ.01 2021-08-16T06:08:58.63 0.1 undecidable manual P 254 12.3765 130 0.04 99
IV.TB01.DHZ.01 2021-08-16T06:08:58.46 0.1 undecidable manual P 241 11.3775 132 0.03 100
IV.ATPC.HNZ. 2021-08-16T06:08:58.43 0.1 undecidable manual P 304 9.7791 136 0.22 96
IV.ATVO.HHZ. 2021-08-16T06:08:58.71 0.1 undecidable manual P 246 13.3755 127 -0.04 99
IV.PIEI.HHZ. 2021-08-16T06:08:58.51 0.1 undecidable manual P 351 11.6772 131 0.03 100
IV.ATPI.EHZ. 2021-08-16T06:08:58.75 0.1 undecidable manual P 279 12.7761 129 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.4 0.0003675 0.16 AML other m 2021-08-16T06:08:59.93
IV.ATFO.HHE. ML:1.1 0.00020150000000000002 0.84 AML other m 2021-08-16T06:09:00.85
IV.ATVO.HHE. ML:1.0 0.000107 0.82 AML other m 2021-08-16T06:09:01.22
IV.ATVO.HHN. ML:1.0 0.0000983 0.26 AML other m 2021-08-16T06:09:01.40
IV.ATPI.EHN. ML:1.1 0.00013535 0.2 AML other m 2021-08-16T06:09:01.30
IV.ATPI.EHE. ML:1.0 0.00009900000000000001 0.1 AML other m 2021-08-16T06:09:01.38
IV.FRON.EHE. ML:0.8 0.0000605 0.48 AML other m 2021-08-16T06:09:02.53
IV.NARO.HHE. ML:1.2 0.00011125000000000001 1.68 AML other m 2021-08-16T06:09:02.97
IV.FRON.EHN. ML:1.2 0.000136 1 AML other m 2021-08-16T06:09:03.04
IV.NARO.HHN. ML:1.0 0.00007719999999999999 0.86 AML other m 2021-08-16T06:09:03.61
IV.APEC.HHE. ML:1.0 0.0000726 0.28 AML other m 2021-08-16T06:09:03.43
IV.APEC.HHN. ML:0.9 0.0000618 0.5 AML other m 2021-08-16T06:09:03.42
IV.MPAG.EHN. ML:1.0 0.00006245 0.26 AML other m 2021-08-16T06:09:05.50
IV.MPAG.EHE. ML:0.9 0.0000424 0.22 AML other m 2021-08-16T06:09:05.49
IV.ATCC.EHE. ML:1.2 0.00007455000000000001 1.66 AML other m 2021-08-16T06:09:06.09
IV.ATCC.EHN. ML:1.1 0.0000664 0.46 AML other m 2021-08-16T06:09:06.28
IV.PARC.HHE. ML:0.6 0.0000132 1.24 AML other m 2021-08-16T06:09:08.90
IV.PARC.HHN. ML:0.4 0.0000124 0.64 AML other m 2021-08-16T06:09:09.10
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