Earthquake with magnitude of ML 1.8 on date 07-08-2021 and time 08:56:47 (Italy) in region 3 km SW Campello sul Clitunno (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Campello sul Clitunno (PG), on

  • 07-08-2021 06:56:47 (UTC)
  • 07-08-2021 08:56:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 12.7480 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Campello sul Clitunno PG 3 2442 2442
Castel Ritaldi PG 7 3278 5720
Spoleto PG 7 38218 43938
Trevi PG 9 8469 52407
Vallo di Nera PG 10 364 52771
Sant'Anatolia di Narco PG 10 564 53335
Scheggino PG 12 461 53796
Montefalco PG 13 5679 59475
Cerreto di Spoleto PG 14 1075 60550
Giano dell'Umbria PG 14 3846 64396
Foligno PG 18 57155 121551
Sellano PG 18 1079 122630
Poggiodomo PG 18 117 122747
Massa Martana PG 18 3770 126517
Bevagna PG 19 5081 131598
Gualdo Cattaneo PG 20 6155 137753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 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 1.8 2021-08-07
06:56:47
42.8012 12.7475 7 2021-12-29
11:12:23
Bollettino Sismico Italiano INGV 94821701
Reviewed
Rev100
ML 1.8 2021-08-07
06:56:47
42.7983 12.7442 7 2021-08-07
07:06:23
Sala Sismica INGV-Roma 93786711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-07 06:56:47 ± 0.06
Latitude 42.8012 ± 0.0027
Longitude 12.7475 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94821701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.59085
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 94821701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-30 14:45:58

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 93786711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-07 07:06:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-08-07T06:57:08.42 0.3 undecidable manual S 70 61.494 50 1.11 48
IV.SRES.HHN. 2021-08-07T06:57:08.72 0.6 undecidable manual S 197 65.5899 50 0.32 43
IT.MMP1.HGE. 2021-08-07T06:57:08.17 1.0 undecidable manual S 180 61.1943 50 0.92 18
IV.FOSV.HNE. 2021-08-07T06:57:05.85 0.6 undecidable manual S 1 54.8007 50 0.32 44
IV.MURB.HHZ. 2021-08-07T06:57:05.74 0.3 undecidable manual S 341 54.3012 50 0.34 66
IV.MGAB.HHZ. 2021-08-07T06:57:05.25 0.3 undecidable manual S 284 53.1024 50 0.17 68
IV.CSP1.EHZ. 2021-08-07T06:57:04.07 0.3 undecidable manual S 49 49.2174 50 0.04 71
IV.SMA1.EHZ. 2021-08-07T06:57:04.67 0.3 undecidable manual S 111 51.5151 50 0.01 71
IV.ATCC.EHZ. 2021-08-07T06:57:02.35 0.3 undecidable manual S 348 43.4232 50 -0.16 70
IV.MML1.EHZ. 2021-08-07T06:57:01.28 0.3 undecidable manual S 28 39.1275 99 0.08 71
IV.FDMO.HHZ. 2021-08-07T06:57:00.77 0.3 undecidable manual S 46 38.0286 100 -0.04 72
IV.MC2.EHZ. 2021-08-07T06:57:00.89 0.3 undecidable manual S 71 37.9287 100 0.1 71
IT.MMP1.HGE. 2021-08-07T06:56:59.56 0.6 undecidable manual P 180 61.1943 50 0.68 39
IV.MF5.EHZ. 2021-08-07T06:56:59.10 0.1 undecidable manual P 70 61.494 50 0.19 89
IV.SRES.HHN. 2021-08-07T06:56:59.75 0.1 undecidable manual P 197 65.5899 50 0.21 88
IV.NRCA.HHZ. 2021-08-07T06:56:58.13 0.3 undecidable manual S 83 30.0477 102 0.02 73
IV.FEMA.HNE. 2021-08-07T06:56:58.62 0.3 undecidable manual S 54 30.3474 102 0.4 68
IT.MTCL.HGN. 2021-08-07T06:56:58.19 0.3 undecidable manual S 44 29.5482 102 0.23 70
IV.LNSS.HHZ. 2021-08-07T06:56:58.44 0.3 undecidable manual S 133 32.4453 101 -0.49 66
IV.MURB.HHZ. 2021-08-07T06:56:57.29 0.1 undecidable manual P 341 54.3012 50 -0.52 84
IV.MGAB.HHZ. 2021-08-07T06:56:57.22 0.3 undecidable manual P 284 53.1024 50 -0.41 65
IV.ASSB.HHZ. 2021-08-07T06:56:57.51 0.3 undecidable manual S 345 27.75 103 0.19 71
IV.CESI.HNE. 2021-08-07T06:56:57.23 0.3 undecidable manual S 29 25.9518 104 0.51 67
IV.CESX.HHN. 2021-08-07T06:56:56.03 0.6 undecidable manual S 212 25.0527 105 -0.4 46
IV.ARRO.EHZ. 2021-08-07T06:56:56.50 0.3 undecidable manual S 177 24.6531 105 0.2 71
IV.CSP1.EHZ. 2021-08-07T06:56:56.62 0.1 undecidable manual P 49 49.2174 50 -0.4 87
IV.SMA1.EHZ. 2021-08-07T06:56:56.97 0.1 undecidable manual P 111 51.5151 50 -0.41 87
IV.FOSV.HNE. 2021-08-07T06:56:56.98 1.0 undecidable manual P 1 54.8007 50 -0.9 18
IV.MML1.EHZ. 2021-08-07T06:56:55.05 0.1 undecidable manual P 28 39.1275 99 -0.34 90
IV.ATCC.EHZ. 2021-08-07T06:56:55.54 0.1 undecidable manual P 348 43.4232 50 -0.6 83
IT.FOPC.HGE. 2021-08-07T06:56:54.99 0.6 undecidable manual S 349 19.0698 109 0.57 44
IV.FDMO.HHZ. 2021-08-07T06:56:54.76 0.1 undecidable manual P 46 38.0286 100 -0.4 89
IV.MC2.EHZ. 2021-08-07T06:56:54.87 0.1 undecidable manual P 71 37.9287 100 -0.28 91
IV.FEMA.HNE. 2021-08-07T06:56:53.78 0.1 undecidable manual P 54 30.3474 102 0.12 96
IT.MTCL.HGN. 2021-08-07T06:56:53.60 0.3 undecidable manual P 44 29.5482 102 0.09 72
IV.LNSS.HHZ. 2021-08-07T06:56:53.64 0.1 undecidable manual P 133 32.4453 101 -0.43 89
IV.MOMA.HHZ. 2021-08-07T06:56:53.13 0.3 undecidable manual S 271 14.4744 114 0.19 73
IV.CESX.HHN. 2021-08-07T06:56:53.21 0.1 undecidable manual P 212 25.0527 105 0.58 86
IT.GNU.HGE. 2021-08-07T06:56:53.04 0.3 undecidable manual S 271 14.4744 114 0.11 74
IV.NRCA.HHZ. 2021-08-07T06:56:53.42 0.1 undecidable manual P 83 30.0477 102 -0.18 95
IV.GAVE.EHZ. 2021-08-07T06:56:53.91 0.3 undecidable manual S 135 16.9719 111 0.15 73
IV.ASSB.HHZ. 2021-08-07T06:56:52.88 0.1 undecidable manual P 345 27.75 103 -0.26 93
IV.CESI.HNE. 2021-08-07T06:56:52.90 0.1 undecidable manual P 29 25.9518 104 0.1 97
IV.ARRO.EHZ. 2021-08-07T06:56:52.67 0.1 undecidable manual P 177 24.6531 105 0.12 97
IV.GAVE.EHZ. 2021-08-07T06:56:51.11 0.1 undecidable manual P 135 16.9719 111 0.02 100
IT.FOPC.HGE. 2021-08-07T06:56:51.48 0.3 undecidable manual P 349 19.0698 109 0.01 75
IT.GNU.HGE. 2021-08-07T06:56:50.55 0.1 undecidable manual P 271 14.4744 114 -0.06 100
IV.MOMA.HHZ. 2021-08-07T06:56:50.43 0.1 undecidable manual P 271 14.4744 114 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNN. ML:1.7 0.0005769999999999999 0.38 AML other m 2021-08-07T06:56:53.44
IV.MOMA.HHE. ML:1.8 0.0007650000000000001 0.12 AML other m 2021-08-07T06:56:53.78
IV.MOMA.HNE. ML:1.8 0.000722 0.14 AML other m 2021-08-07T06:56:53.79
IV.MOMA.HHN. ML:1.7 0.0006014999999999999 0.44 AML other m 2021-08-07T06:56:54.30
IV.GAVE.EHN. ML:1.9 0.0007844999999999999 1.72 AML other m 2021-08-07T06:56:56.00
IV.GAVE.HNN. ML:1.4 0.00024401036 1.7088 AML other m 2021-08-07T06:56:56.00
IV.GAVE.HNE. ML:2.0 0.0009104256 0.1792 AML other m 2021-08-07T06:56:56.67
IV.GAVE.EHE. ML:2.0 0.0009390000000000001 1.5 AML other m 2021-08-07T06:56:56.02
IV.ARRO.EHE. ML:1.6 0.0002325 0.88 AML other m 2021-08-07T06:56:57.51
IV.ARRO.EHN. ML:1.4 0.0001675 0.54 AML other m 2021-08-07T06:56:57.54
IV.ASSB.HHE. ML:1.6 0.00022700000000000002 0.32 AML other m 2021-08-07T06:56:58.28
IV.ASSB.HHN. ML:1.5 0.00017649999999999998 1.12 AML other m 2021-08-07T06:56:59.00
IV.NRCA.HHE. ML:2.0 0.00051 1.5 AML other m 2021-08-07T06:56:59.24
IV.LNSS.HNN. ML:2.0 0.00041706025 0.2592 AML other m 2021-08-07T06:56:59.31
IV.LNSS.HHN. ML:2.0 0.00048699999999999997 0.26 AML other m 2021-08-07T06:56:59.44
IV.LNSS.HHE. ML:2.0 0.000413 0.24 AML other m 2021-08-07T06:56:59.52
IV.NRCA.HNE. ML:2.0 0.00046199999999999995 0.7 AML other m 2021-08-07T06:56:59.31
IV.NRCA.HHN. ML:1.8 0.00034550000000000005 0.1 AML other m 2021-08-07T06:56:59.92
IV.NRCA.HNN. ML:1.9 0.000363 0.46 AML other m 2021-08-07T06:56:59.92
IV.FDMO.HHE. ML:1.5 0.0001225 0.8 AML other m 2021-08-07T06:57:01.25
IV.FDMO.HHN. ML:1.6 0.000142 0.58 AML other m 2021-08-07T06:57:02.42
IV.MML1.EHE. ML:1.5 0.0001275 1.36 AML other m 2021-08-07T06:57:03.97
IV.ATCC.EHN. ML:1.5 0.00010499999999999999 0.4 AML other m 2021-08-07T06:57:03.43
IV.ATCC.EHE. ML:1.6 0.0001254 0.4 AML other m 2021-08-07T06:57:03.31
IV.CSP1.EHE. ML:2.1 0.0003305 0.5 AML other m 2021-08-07T06:57:04.63
IV.CSP1.EHN. ML:2.2 0.0004385 0.42 AML other m 2021-08-07T06:57:05.61
IV.MML1.EHN. ML:1.3 0.00008130000000000001 0.44 AML other m 2021-08-07T06:57:05.68
IV.SMA1.EHE. ML:1.8 0.00016 0.54 AML other m 2021-08-07T06:57:06.69
IV.SMA1.EHN. ML:1.8 0.0001515 1.02 AML other m 2021-08-07T06:57:07.41
IV.MURB.HHN. ML:1.9 0.00016749999999999998 0.3 AML other m 2021-08-07T06:57:09.25
IV.MURB.HHE. ML:2.0 0.00023850000000000002 0.28 AML other m 2021-08-07T06:57:10.67
IV.MGAB.HHE. ML:1.5 0.00007405000000000001 0.54 AML other m 2021-08-07T06:57:15.46
IV.MGAB.HHN. ML:1.5 0.0000762 0.42 AML other m 2021-08-07T06:57:15.70
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