Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 06-09-2020 and time 10:11:35 (Italy) in region 9 km E Cascia (PG)

A magnitude ML 1.6 earthquake occured in region: 9 km E Cascia (PG), on

  • 06-09-2020 08:11:35 (UTC)
  • 06-09-2020 10:11:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7060, 13.1230 at 12 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
Cascia PG 9 3217 3217
Norcia PG 10 4957 8174
Cittareale RI 10 482 8656
Accumoli RI 10 667 9323
Monteleone di Spoleto PG 15 599 9922
Poggiodomo PG 15 117 10039
Amatrice RI 16 2657 12696
Arquata del Tronto AP 16 1178 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
48 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 Km W of Chieti (51815 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 2020-09-06
08:11:35		 42.7063 13.1228 12 2021-02-26
14:55:55		 Bollettino Sismico Italiano INGV 82817171
Reviewed
Rev100 		ML 1.6 2020-09-06
08:11:35		 42.7077 13.1308 10 2020-09-06
08:25:27		 Sala Sismica INGV-Roma 82668091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-06 08:11:35 ± 0.04
Latitude 42.7063 ± 0.0018
Longitude 13.1228 ± 0.0024
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82817171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 60
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
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) 35
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 82817171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-11 13:32:29

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 82668091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-06 08:25:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.HNZ. 2020-09-06T08:13:16.17 3.0 undecidable manual Sn -4.78 0
IV.FREG.HNZ. 2020-09-06T08:13:10.51 3.0 undecidable manual Sn -9.99 0
XK.GIZZ.HHZ. 2020-09-06T08:13:05.75 3.0 undecidable manual Sg 8.44 0
IV.LINA.HHZ. 2020-09-06T08:12:56.84 3.0 undecidable manual Pg 12.98 0
IV.SCIAR.HHZ. 2020-09-06T08:12:56.25 3.0 undecidable manual Sn -4.58 0
IV.NOCI.HHZ. 2020-09-06T08:12:55.49 3.0 undecidable manual Sg 8.31 0
IV.MILN.HNZ. 2020-09-06T08:12:43.28 3.0 negative manual Pg 10.97 0
IV.SARZ.HHZ. 2020-09-06T08:12:38.49 3.0 undecidable manual Pg 10.56 0
IV.CPTP.HHZ. 2020-09-06T08:12:36.47 3.0 negative manual Pg 12.61 0
IV.HPAC.HHZ. 2020-09-06T08:12:35.46 3.0 undecidable manual Pn 0 0
IV.MNTV.HNZ. 2020-09-06T08:12:32.30 3.0 undecidable manual Pg 11.81 0
IV.SFI.EHZ. 2020-09-06T08:12:30.13 3.0 undecidable manual Sn -3.52 0
IV.SERS.HHZ. 2020-09-06T08:12:28.92 3.0 undecidable manual Pg 11.95 0
IV.SCHR.EHZ. 2020-09-06T08:12:28.71 3.0 undecidable manual Sn -7.29 0
IV.TEOL.HHZ. 2020-09-06T08:12:27.42 3.0 undecidable manual Pg 7.28 0
IV.ATPI.EHZ. 2020-09-06T08:12:27.40 3.0 undecidable manual Sg 7.44 0
IV.NDIM.HHZ. 2020-09-06T08:12:26.46 3.0 positive manual Pg 9.67 0
IV.SENI.HNZ. 2020-09-06T08:12:26.01 3.0 undecidable manual Sg 1.53 0
IV.PANTE.HHZ. 2020-09-06T08:12:25.16 3.0 positive manual Pn -6.88 0
MN.TRI.HHZ. 2020-09-06T08:12:16.11 3.0 positive manual Pn -7.23 0
IV.APEC.HHZ. 2020-09-06T08:12:00.27 3.0 undecidable manual Pg 5.93 0
IV.NOCI.HHZ. 2020-09-06T08:11:59.23 3.0 positive manual Pn -9.02 0
IV.ASSB.HHZ. 2020-09-06T08:11:52.54 0.6 undecidable manual S 315 53.0025 91 0.07 47
IV.GIGS.HHN. 2020-09-06T08:11:50.51 0.6 undecidable manual S 127 46.2204 91 -0.15 47
IV.SGO.HNZ. 2020-09-06T08:11:49.87 3.0 positive manual Pg -2.64 0
IV.CESI.HHE. 2020-09-06T08:11:48.39 0.6 undecidable manual S 332 37.5291 92 0.05 48
IV.EL6.EHZ. 2020-09-06T08:11:48.29 0.6 undecidable manual P 359 69.0753 91 0.37 43
IV.ATCC.EHZ. 2020-09-06T08:11:47.30 0.3 undecidable manual P 324 65.9895 91 -0.14 68
IV.CAMP.HHZ. 2020-09-06T08:11:46.35 0.3 undecidable manual S 129 30.0477 92 0.01 74
IV.FEMA.HNZ. 2020-09-06T08:11:46.42 0.3 undecidable manual S 348 28.9488 92 0.37 69
IV.ASSB.HHZ. 2020-09-06T08:11:45.17 0.3 undecidable manual P 315 53.0025 91 -0.28 67
IV.MMO1.EHZ. 2020-09-06T08:11:45.54 0.3 undecidable manual S 38 27.0507 93 0 75
IV.MTRA.EHZ. 2020-09-06T08:11:44.27 0.3 undecidable manual S 76 22.9548 94 -0.18 73
IV.FIAM.HHZ. 2020-09-06T08:11:44.44 0.3 undecidable manual P 181 48.618 91 -0.32 67
IV.CESX.HHE. 2020-09-06T08:11:44.25 0.1 undecidable manual P 256 45.0216 91 0.04 96
IV.RM33.EHZ. 2020-09-06T08:11:44.42 0.3 undecidable manual S 161 23.1546 94 -0.07 74
IV.MML1.HNE. 2020-09-06T08:11:44.48 0.1 undecidable manual P 345 46.8198 91 0 96
IV.MC2.EHZ. 2020-09-06T08:11:44.72 0.3 undecidable manual S 13 23.3544 94 0.17 73
IT.GNU.HGE. 2020-09-06T08:11:44.59 0.1 undecidable manual P 284 46.3203 91 0.19 93
IV.GIGS.HHN. 2020-09-06T08:11:44.12 0.1 undecidable manual P 127 46.2204 91 -0.28 91
IV.MOMA.HHZ. 2020-09-06T08:11:44.37 0.3 undecidable manual P 284 46.3203 91 -0.04 72
IV.TERO.HHZ. 2020-09-06T08:11:43.18 0.6 undecidable manual P 103 40.3263 91 -0.3 46
IV.GAVE.EHZ. 2020-09-06T08:11:43.26 0.3 undecidable manual S 265 18.6702 97 -0.05 75
IV.CSP1.EHE. 2020-09-06T08:11:43.76 0.1 undecidable manual P 9 43.3233 91 -0.18 93
IV.MF5.EHN. 2020-09-06T08:11:43.82 0.1 undecidable manual P 41 41.5251 91 0.15 94
IV.SMA1.EHZ. 2020-09-06T08:11:43.84 0.3 undecidable manual S 116 19.2696 96 0.38 70
IV.FEMA.HNZ. 2020-09-06T08:11:42.17 0.3 undecidable manual P 348 28.9488 92 0.43 68
IV.FDMO.HHN. 2020-09-06T08:11:42.69 0.1 undecidable manual P 356 36.741 92 -0.24 93
IV.LNSS.HHZ. 2020-09-06T08:11:42.00 0.3 undecidable manual S 210 13.2756 110 0.1 75
IV.CESI.HHE. 2020-09-06T08:11:42.95 0.1 undecidable manual P 332 37.5291 92 -0.11 96
IV.ARRO.EHZ. 2020-09-06T08:11:42.28 0.1 undecidable manual P 244 32.3454 92 0.02 98
IV.ROSPO.HHZ. 2020-09-06T08:11:42.81 3.0 undecidable manual Pn -4.03 0
IV.T1299.HNZ. 2020-09-06T08:11:42.74 0.3 undecidable manual S 122 15.2736 103 0.34 71
IT.MTCL.HGZ. 2020-09-06T08:11:42.22 0.1 undecidable manual P 343 33.4443 92 -0.2 94
IV.NRCA.HHZ. 2020-09-06T08:11:41.78 0.3 undecidable manual S 357 14.0748 107 -0.33 71
IV.MMO1.EHZ. 2020-09-06T08:11:41.49 0.3 undecidable manual P 38 27.0507 93 0.05 74
IV.CAMP.HHZ. 2020-09-06T08:11:41.85 0.1 undecidable manual P 129 30.0477 92 -0.05 98
IV.SMA1.EHZ. 2020-09-06T08:11:40.32 0.3 undecidable manual P 116 19.2696 96 0.08 75
IV.MTRA.EHZ. 2020-09-06T08:11:40.69 0.3 undecidable manual P 76 22.9548 94 -0.12 73
IV.RM33.EHZ. 2020-09-06T08:11:40.83 0.1 undecidable manual P 161 23.1546 94 -0.01 100
IV.GAVE.EHZ. 2020-09-06T08:11:40.18 0.3 undecidable manual P 265 18.6702 97 0.02 76
IV.MC2.EHZ. 2020-09-06T08:11:40.92 0.3 undecidable manual P 13 23.3544 94 0.05 74
IV.T1299.HNZ. 2020-09-06T08:11:39.92 0.3 undecidable manual P 122 15.2736 103 0.29 72
IV.NRCA.HHZ. 2020-09-06T08:11:39.44 0.3 undecidable manual P 357 14.0748 107 -0.03 76
IV.LNSS.HHZ. 2020-09-06T08:11:39.53 0.3 undecidable manual P 210 13.2756 110 0.18 74
IV.CERA.HHZ. 2020-09-06T08:11:37.19 3.0 undecidable manual S -7.58 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.8 0.00056500015 0.16 AML other m 2020-09-06T08:11:42.34
IV.LNSS.HNE. ML:1.8 0.00055402405 0.1472 AML other m 2020-09-06T08:11:42.34
IV.LNSS.HHN. ML:1.6 0.0003683314 0.2368 AML other m 2020-09-06T08:11:42.53
IV.LNSS.HNN. ML:1.5 0.0003162714 0.16 AML other m 2020-09-06T08:11:42.91
IV.GAVE.EHE. ML:1.7 0.00038020215 0.1344 AML other m 2020-09-06T08:11:43.41
IV.GAVE.EHN. ML:1.8 0.00054671425 0.2816 AML other m 2020-09-06T08:11:43.56
IV.GAVE.HNE. ML:1.7 0.0003929788 0.16 AML other m 2020-09-06T08:11:43.52
IV.SMA1.EHE. ML:2.1 0.0008995515499999999 0.2048 AML other m 2020-09-06T08:11:44.40
IV.SMA1.EHN. ML:1.8 0.0005174099 0.1792 AML other m 2020-09-06T08:11:44.36
IV.RM33.EHN. ML:1.4 0.00014596980499999998 0.1024 AML other m 2020-09-06T08:11:44.74
IV.RM33.HNE. ML:1.3 0.0001286035 0.1344 AML other m 2020-09-06T08:11:44.90
IV.MTRA.EHE. ML:1.4 0.00017082295 0.1856 AML other m 2020-09-06T08:11:45.21
IV.MTRA.HNE. ML:1.6 0.0002588024 0.4096 AML other m 2020-09-06T08:11:45.75
IV.RM33.EHE. ML:1.2 0.00010694860000000001 0.1408 AML other m 2020-09-06T08:11:45.78
IV.MTRA.EHN. ML:1.4 0.0001421619 0.2752 AML other m 2020-09-06T08:11:45.85
IV.TERO.HHN. ML:1.2 0.000061955315 1.8784 AML other m 2020-09-06T08:11:49.95
IV.TERO.HHE. ML:1.5 0.00011117694999999999 1.84 AML other m 2020-09-06T08:11:49.00
IV.TERO.HNE. ML:1.6 0.00012223859 0.16 AML other m 2020-09-06T08:11:50.60
IV.MOMA.HHN. ML:1.8 0.0001577167 0.1984 AML other m 2020-09-06T08:11:52.44
IV.MOMA.HNE. ML:1.7 0.00014511580000000002 0.192 AML other m 2020-09-06T08:11:52.52
IV.MOMA.HHE. ML:1.7 0.0001523478 0.1984 AML other m 2020-09-06T08:11:52.53
IV.ASSB.HHN. ML:1.4 0.000054037600000000006 0.256 AML other m 2020-09-06T08:11:53.63
IV.RM33.HNN. ML:1.4 0.00014248895 1.0368 AML other m 2020-09-06T08:11:54.24
IV.ASSB.HHE. ML:1.3 0.00004851212000000001 0.1024 AML other m 2020-09-06T08:11:54.53
IV.ATCC.EHN. ML:1.2 0.00003170667 0.2048 AML other m 2020-09-06T08:11:57.47
IV.ATCC.EHE. ML:1.3 0.00003278899000000001 1.3792 AML other m 2020-09-06T08:12:01.88
IV.MOMA.HNN. ML:1.9 0.0002210822 1.0464 AML other m 2020-09-06T08:12:05.76
MN.TRI.HHE. ML:1.7 0.000005862910500000001 0.1792 AML other m 2020-09-06T08:12:17.57
MN.TRI.HHN. ML:1.7 0.000005018073000000001 0.16 AML other m 2020-09-06T08:12:18.40
IV.EL6.EHN. ML:1.2 0.00003140905500000001 1.1392 AML other m 2020-09-06T08:12:29.25
IV.EL6.EHE. ML:1.4 0.0000429589275 1.1648 AML other m 2020-09-06T08:12:35.35
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