Earthquake with magnitude of ML 1.6 on date 16-09-2021 and time 06:20:11 (Italy) in region 5 km E Valtopina (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km E Valtopina (PG), on

  • 16-09-2021 04:20:11 (UTC)
  • 16-09-2021 06:20:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0520, 12.8210 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
Valtopina PG 5 1398 1398
Nocera Umbra PG 7 5839 7237
Serravalle di Chienti MC 11 1070 8307
Spello PG 14 8645 16952
Foligno PG 14 57155 74107
Sefro MC 15 422 74529
Monte Cavallo MC 16 145 74674
Assisi PG 17 28299 102973
Fiuminata MC 18 1402 104375
Muccia MC 19 915 105290
Pieve Torina MC 19 1458 106748
Pioraco MC 20 1134 107882
Sellano PG 20 1079 108961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
56 Km N of Terni (111501 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
89 Km SE of Arezzo (99543 inhabitants)
90 Km S of Fano (60888 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
96 Km S of Pesaro (94582 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 1.6 2021-09-16
04:20:11
43.0518 12.8212 10 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101648551
Reviewed
Rev100
ML 1.6 2021-09-16
04:20:11
43.0523 12.8265 10 2021-09-16
04:33:33
Sala Sismica INGV-Roma 95489501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-16 04:20:11 ± 0.04
Latitude 43.0518 ± 0.0018
Longitude 12.8212 ± 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 101648551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61424
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 101648551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-03 16:39:17

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 95489501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-16 04:33:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-09-16T04:20:34.26 3.0 undecidable manual P -0.16 0
IV.RM33.HNE. 2021-09-16T04:20:32.69 0.6 undecidable manual S 152 68.1762 50 0.65 39
IV.NARO.HHZ. 2021-09-16T04:20:31.40 0.3 undecidable manual S 343 64.9905 50 0.22 66
IV.SMA1.EHN. 2021-09-16T04:20:30.49 0.6 undecidable manual S 138 62.6928 50 -0.09 46
IV.ATPC.HHE. 2021-09-16T04:20:29.44 0.6 undecidable manual S 328 55.8996 50 0.68 39
IV.ATPI.EHZ. 2021-09-16T04:20:28.40 0.6 undecidable manual S 323 55.6998 50 -0.3 44
IV.ATBU.EHZ. 2021-09-16T04:20:28.49 0.6 undecidable manual S 335 51.9036 50 0.8 38
IV.MF5.EHZ. 2021-09-16T04:20:28.54 0.3 undecidable manual S 98 52.3032 50 0.75 58
IV.FRON.EHN. 2021-09-16T04:20:27.60 0.6 undecidable manual S 352 52.2033 50 -0.18 46
IV.ARVD.HHZ. 2021-09-16T04:20:27.40 0.6 undecidable manual S 11 50.4162 50 0.1 47
IV.LNSS.HHZ. 2021-09-16T04:20:27.80 0.6 undecidable manual S 160 52.9026 50 -0.16 46
IV.CESX.HHE. 2021-09-16T04:20:27.91 1.0 undecidable manual S 201 52.8027 50 -0.01 24
IV.CING.HHZ. 2021-09-16T04:20:26.40 0.3 undecidable manual S 40 46.9197 50 0.03 71
IV.ATSC.EHE. 2021-09-16T04:20:25.10 0.3 undecidable manual S 345 42.7239 50 -0.13 70
IV.GUMA.HHZ. 2021-09-16T04:20:25.40 0.3 undecidable manual S 88 41.7249 50 0.44 66
IV.ATFO.HNN. 2021-09-16T04:20:25.00 0.3 undecidable manual S 330 40.3263 50 0.4 67
IV.ATLO.EHE. 2021-09-16T04:20:25.50 0.3 undecidable manual S 311 44.4222 50 -0.19 69
IV.MMO1.EHZ. 2021-09-16T04:20:25.80 0.3 undecidable manual S 112 44.4222 50 0.12 70
IV.GAVE.EHZ. 2021-09-16T04:20:24.50 0.3 undecidable manual S 172 40.3263 50 -0.1 71
IV.MURB.HHE. 2021-09-16T04:20:23.28 0.3 undecidable manual S 314 33.5442 50 0.5 66
IV.RM33.HNE. 2021-09-16T04:20:23.42 0.3 undecidable manual P 152 68.1762 50 0.24 66
IV.EL6.EHZ. 2021-09-16T04:20:23.90 0.1 undecidable manual S 36 38.2284 50 -0.14 94
IV.MC2.EHZ. 2021-09-16T04:20:23.00 1.0 undecidable manual S 117 33.6441 50 0.18 24
IV.CSP1.EHZ. 2021-09-16T04:20:22.00 0.3 undecidable manual S 82 31.4463 50 -0.22 71
IV.MOMA.HHE. 2021-09-16T04:20:22.60 0.6 undecidable manual S 217 34.2435 50 -0.38 45
IV.NRCA.HHZ. 2021-09-16T04:20:22.60 0.3 undecidable manual S 135 33.9438 50 -0.3 69
IV.NARO.HHZ. 2021-09-16T04:20:22.56 0.1 undecidable manual P 343 64.9905 50 -0.12 90
IV.SMA1.EHN. 2021-09-16T04:20:22.20 0.3 undecidable manual P 138 62.6928 50 -0.14 68
IV.MNTT.EHZ. 2021-09-16T04:20:21.81 0.6 undecidable manual P 89 62.7927 50 -0.54 41
IV.ATPC.HHE. 2021-09-16T04:20:21.58 0.3 undecidable manual P 328 55.8996 50 0.29 66
IV.ATPI.EHZ. 2021-09-16T04:20:21.22 0.1 undecidable manual P 323 55.6998 50 -0.03 93
IV.MF5.EHZ. 2021-09-16T04:20:21.05 0.1 undecidable manual P 98 52.3032 50 0.32 89
IV.LNSS.HHZ. 2021-09-16T04:20:20.66 0.3 undecidable manual P 160 52.9026 50 -0.16 69
IV.CESX.HHE. 2021-09-16T04:20:20.53 1.0 undecidable manual P 201 52.8027 50 -0.27 22
IV.FRON.EHN. 2021-09-16T04:20:20.84 0.3 undecidable manual P 352 52.2033 50 0.12 69
IV.ARVD.HHZ. 2021-09-16T04:20:20.16 0.3 undecidable manual P 11 50.4162 50 -0.28 67
IV.ATVA.EHE. 2021-09-16T04:20:20.77 0.3 undecidable manual P 300 50.1165 50 0.38 66
IV.ATBU.EHZ. 2021-09-16T04:20:20.82 0.3 undecidable manual P 335 51.9036 50 0.15 69
IV.FEMA.HNZ. 2021-09-16T04:20:19.20 0.6 undecidable manual S 118 21.0678 115 0.08 49
IV.ATLO.EHE. 2021-09-16T04:20:19.28 0.1 undecidable manual P 311 44.4222 50 -0.24 92
IV.MMO1.EHZ. 2021-09-16T04:20:19.30 0.1 undecidable manual P 112 44.4222 50 -0.21 92
IV.FDMO.HHZ. 2021-09-16T04:20:19.30 0.3 undecidable manual S 94 21.6672 114 -0.01 75
IV.GUMA.HHZ. 2021-09-16T04:20:19.21 0.3 undecidable manual P 88 41.7249 50 0.12 71
IV.SNTG.HHZ. 2021-09-16T04:20:19.80 0.3 undecidable manual S 23 24.5532 112 -0.43 68
IV.CING.HHZ. 2021-09-16T04:20:19.71 0.1 undecidable manual P 40 46.9197 50 -0.19 92
IV.ATCC.EHZ. 2021-09-16T04:20:19.10 0.3 undecidable manual S 315 20.868 115 0.05 74
IV.EL6.EHZ. 2021-09-16T04:20:18.37 0.1 undecidable manual P 36 38.2284 50 -0.19 93
IV.ATSC.EHE. 2021-09-16T04:20:18.88 0.1 undecidable manual P 345 42.7239 50 -0.37 89
IV.GAVE.EHZ. 2021-09-16T04:20:18.69 0.1 undecidable manual P 172 40.3263 50 -0.2 93
IV.ATFO.HNN. 2021-09-16T04:20:18.98 0.1 undecidable manual P 330 40.3263 50 0.1 95
IV.MC2.EHZ. 2021-09-16T04:20:17.72 0.1 undecidable manual P 117 33.6441 50 -0.14 95
IV.FIU1.HNZ. 2021-09-16T04:20:17.80 0.3 undecidable manual S 30 17.5713 119 -0.25 72
IV.CSP1.EHZ. 2021-09-16T04:20:17.33 0.1 undecidable manual P 82 31.4463 50 -0.18 95
IV.MML1.EHZ. 2021-09-16T04:20:17.10 0.1 undecidable manual S 61 13.9749 125 0.11 99
IV.MURB.HHE. 2021-09-16T04:20:17.93 0.3 undecidable manual P 314 33.5442 50 0.09 72
IT.MTCL.HGZ. 2021-09-16T04:20:17.70 0.3 undecidable manual S 114 15.7731 122 0.18 73
IV.MOMA.HHE. 2021-09-16T04:20:17.79 0.1 undecidable manual P 217 34.2435 50 -0.16 95
IV.NRCA.HHZ. 2021-09-16T04:20:17.62 0.1 undecidable manual P 135 33.9438 50 -0.28 92
IV.SEF1.HNZ. 2021-09-16T04:20:17.10 0.3 undecidable manual S 44 14.6742 124 -0.09 75
IV.SNTG.HHZ. 2021-09-16T04:20:16.04 0.1 undecidable manual P 23 24.5532 112 -0.32 93
IV.ASSB.HHZ. 2021-09-16T04:20:16.60 0.3 undecidable manual S 266 13.1757 126 -0.17 73
IV.FEMA.HNZ. 2021-09-16T04:20:15.84 0.1 undecidable manual P 118 21.0678 115 0.12 98
IV.CESI.HHZ. 2021-09-16T04:20:15.80 0.3 undecidable manual S 128 8.5803 139 0.23 73
IV.FIU1.HNZ. 2021-09-16T04:20:15.06 0.1 undecidable manual P 30 17.5713 119 -0.05 100
IV.FDMO.HHZ. 2021-09-16T04:20:15.77 0.1 undecidable manual P 94 21.6672 114 -0.06 99
IV.ATCC.EHZ. 2021-09-16T04:20:15.69 0.1 undecidable manual P 315 20.868 115 0.01 100
IV.MML1.EHZ. 2021-09-16T04:20:14.65 0.1 undecidable manual P 61 13.9749 125 0.16 98
IT.MTCL.HGZ. 2021-09-16T04:20:14.92 0.1 undecidable manual P 114 15.7731 122 0.12 99
IV.ASSB.HHZ. 2021-09-16T04:20:14.52 0.1 undecidable manual P 266 13.1757 126 0.15 98
IV.SEF1.HNZ. 2021-09-16T04:20:14.71 0.3 undecidable manual P 44 14.6742 124 0.1 74
IV.CESI.HHZ. 2021-09-16T04:20:13.98 0.1 undecidable manual P 128 8.5803 139 0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.6 0.0005022535 0.08 AML other m 2021-09-16T04:20:16.24
IV.CESI.HHE. ML:1.6 0.0005965 0.06 AML other m 2021-09-16T04:20:16.26
IV.ASSB.HHE. ML:1.7 0.00048428915 0.1376 AML other m 2021-09-16T04:20:17.42
IV.ASSB.HHN. ML:1.8 0.0007136064 0.1024 AML other m 2021-09-16T04:20:17.33
IV.MML1.HNN. ML:1.9 0.0008397000999999999 0.128 AML other m 2021-09-16T04:20:17.40
IV.MML1.EHN. ML:2.0 0.0010654999999999998 0.2 AML other m 2021-09-16T04:20:17.40
IV.MML1.EHE. ML:1.8 0.0006769577499999999 0.1408 AML other m 2021-09-16T04:20:17.27
IV.MML1.HNE. ML:1.8 0.0006520786 0.1408 AML other m 2021-09-16T04:20:17.27
IV.FDMO.HHN. ML:1.5 0.00021261504999999997 0.16 AML other m 2021-09-16T04:20:19.44
IV.ATCC.EHE. ML:1.8 0.0004805 0.24 AML other m 2021-09-16T04:20:19.49
IV.ATCC.EHN. ML:1.6 0.00028264615000000006 0.3008 AML other m 2021-09-16T04:20:19.54
IV.FDMO.HHE. ML:1.6 0.0002465 0.16 AML other m 2021-09-16T04:20:19.72
IV.SNTG.HHE. ML:1.0 0.000064111755 0.0992 AML other m 2021-09-16T04:20:21.83
IV.SNTG.HHN. ML:1.1 0.000077158365 0.2208 AML other m 2021-09-16T04:20:21.32
IV.CSP1.EHN. ML:1.7 0.0002257393 0.08 AML other m 2021-09-16T04:20:22.52
IV.CSP1.EHE. ML:1.6 0.00016467192 0.08 AML other m 2021-09-16T04:20:22.81
IV.NRCA.HHE. ML:2.0 0.0004185 0.08 AML other m 2021-09-16T04:20:22.91
IV.NRCA.HNE. ML:1.9 0.0003585 0.3 AML other m 2021-09-16T04:20:22.80
IV.NRCA.HNN. ML:2.0 0.00038627080000000003 0.1312 AML other m 2021-09-16T04:20:23.36
IV.NRCA.HHN. ML:2.0 0.0004075 0.12 AML other m 2021-09-16T04:20:23.36
IV.GAVE.EHE. ML:1.6 0.0001493709 0.1792 AML other m 2021-09-16T04:20:25.80
IV.GAVE.EHN. ML:1.7 0.00017836425 0.16 AML other m 2021-09-16T04:20:25.38
IV.GUMA.HHE. ML:1.8 0.0001915 0.14 AML other m 2021-09-16T04:20:25.80
IV.GUMA.HHN. ML:1.6 0.000134 0.2 AML other m 2021-09-16T04:20:25.89
IV.CING.HHE. ML:1.2 0.00003945 1.72 AML other m 2021-09-16T04:20:27.87
IV.CING.HHN. ML:1.2 0.0000488 0.12 AML other m 2021-09-16T04:20:27.85
IV.ARVD.HHE. ML:1.0 0.000023800000000000003 0.14 AML other m 2021-09-16T04:20:28.34
IV.LNSS.HHE. ML:1.6 0.00009623883 0.1792 AML other m 2021-09-16T04:20:28.64
IV.LNSS.HHN. ML:1.6 0.00008768896500000001 0.16 AML other m 2021-09-16T04:20:29.17
IV.ATPI.EHN. ML:1.1 0.00003105 0.32 AML other m 2021-09-16T04:20:29.21
IV.ARVD.HHN. ML:0.8 0.000013126461 0.1184 AML other m 2021-09-16T04:20:29.68
IV.ATPI.EHE. ML:1.2 0.00003885 0.36 AML other m 2021-09-16T04:20:30.52
IV.NARO.HHE. ML:1.1 0.000025558125 0.16 AML other m 2021-09-16T04:20:31.83
IV.NARO.HHN. ML:1.0 0.00002175 1.58 AML other m 2021-09-16T04:20:34.00
IV.CESI.HNN. ML:1.5 0.00044066295 0.0672 AML other m 2021-09-16T04:20:16.24
IV.CESI.HNE. ML:1.6 0.0005278841 0.0704 AML other m 2021-09-16T04:20:16.26
IV.SNTG.HNN. ML:1.1 0.00008130200500000001 0.1984 AML other m 2021-09-16T04:20:21.81
IV.SNTG.HNE. ML:1.1 0.00006948331 0.1088 AML other m 2021-09-16T04:20:21.77
IV.EL6.EHN. ML:1.8 0.0002481332 0.2208 AML other m 2021-09-16T04:20:24.17
IV.EL6.EHE. ML:1.8 0.00021976139999999999 0.2016 AML other m 2021-09-16T04:20:24.18
IV.GAVE.HNN. ML:1.1 0.000045211034999999994 0.1472 AML other m 2021-09-16T04:20:25.37
IV.GAVE.HNE. ML:1.7 0.00018285289999999999 0.2208 AML other m 2021-09-16T04:20:25.15
IV.GUMA.HNE. ML:1.8 0.00019862565 0.3488 AML other m 2021-09-16T04:20:25.79
IV.GUMA.HNN. ML:1.8 0.00021746654999999998 0.288 AML other m 2021-09-16T04:20:25.73
IV.LNSS.HNN. ML:1.5 0.000080094655 0.1504 AML other m 2021-09-16T04:20:29.17
IV.LNSS.HNE. ML:1.6 0.000089968475 0.16 AML other m 2021-09-16T04:20:28.65
IV.MF5.EHE. ML:1.3 0.000043993735 0.1792 AML other m 2021-09-16T04:20:29.87
IV.MF5.EHN. ML:1.1 0.000032029825 0.2784 AML other m 2021-09-16T04:20:30.81
IV.MNTT.EHN. ML:1.8 0.0001157668 0.32 AML other m 2021-09-16T04:20:34.55
IV.MNTT.EHE. ML:1.7 0.00009775334000000001 0.1984 AML other m 2021-09-16T04:20:35.48
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