Earthquake with magnitude of ML 1.3 on date 15-09-2020 and time 21:40:58 (UTC) in region 3 km E Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km E Norcia (PG), on

  • 15-09-2020 21:40:58 (UTC)
  • 15-09-2020 23:40:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.1340 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 12 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Poggiodomo PG 19 117 14290
Montemonaco AP 19 604 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km NW 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 1.3 2020-09-15
21:40:58
42.8013 13.134 10 2021-02-26
14:55:59
Bollettino Sismico Italiano INGV 83772821
Reviewed
Rev100
ML 1.4 2020-09-15
21:40:58
42.805 13.131 10 2020-09-15
21:46:11
Sala Sismica INGV-Roma 82936661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-15 21:40:58 ± 0.04
Latitude 42.8013 ± 0.0018
Longitude 13.1340 ± 0.0037
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 83772821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 275
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77522
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 82936661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-15 21:46:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 83772821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-14 10:57:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2020-09-15T21:42:06.95 3.0 undecidable manual Sg 6.66 0
IV.ROSPO.HHZ. 2020-09-15T21:41:27.59 3.0 undecidable manual P 3.82 0
IV.EL6.EHZ. 2020-09-15T21:41:16.53 0.3 undecidable manual S 357 58.5969 50 0.19 68
IV.FIAM.HHZ. 2020-09-15T21:41:16.61 0.3 undecidable manual S 181 59.1963 50 0.12 69
IV.T0110.HHZ. 2020-09-15T21:41:12.37 0.3 undecidable manual P 140 82.3509 50 0.09 66
IV.FRON.EHZ. 2020-09-15T21:41:12.52 0.3 undecidable manual P 338 86.0472 50 -0.32 63
IV.ARVD.HHZ. 2020-09-15T21:41:11.64 0.3 undecidable manual P 349 78.8655 50 -0.09 67
IV.SSFR.HHZ. 2020-09-15T21:41:11.50 0.3 undecidable manual P 338 75.9684 50 0.21 66
IV.GUMA.HHZ. 2020-09-15T21:41:10.03 0.3 undecidable manual S 29 33.2445 50 0.45 67
IV.MURB.HHZ. 2020-09-15T21:41:10.56 0.3 undecidable manual P 316 71.1732 50 0.01 69
IV.VCEL.EHZ. 2020-09-15T21:41:10.88 0.6 undecidable manual P 128 73.2711 50 0.01 46
IV.CSP1.EHZ. 2020-09-15T21:41:09.36 0.3 undecidable manual S 10 32.745 50 -0.07 73
IV.RM33.EHZ. 2020-09-15T21:41:09.58 0.3 undecidable manual S 169 33.0447 50 0.05 73
IV.ATCC.EHZ. 2020-09-15T21:41:08.76 0.3 undecidable manual P 317 58.497 50 0.16 68
IV.CESI.HHZ. 2020-09-15T21:41:08.33 0.3 undecidable manual S 321 29.2485 50 -0.18 72
IV.EL6.EHZ. 2020-09-15T21:41:08.60 0.1 undecidable manual P 357 58.5969 50 -0.02 94
IV.FIAM.HHZ. 2020-09-15T21:41:08.58 0.3 undecidable manual P 181 59.1963 50 -0.13 69
IV.FDMO.HHZ. 2020-09-15T21:41:07.46 0.3 undecidable manual S 352 26.3514 50 -0.27 71
IV.OFFI.HHZ. 2020-09-15T21:41:07.14 0.6 undecidable manual P 72 47.2194 50 0.27 45
IV.CESX.HHE. 2020-09-15T21:41:07.99 0.6 undecidable manual P 245 49.5171 50 0.78 39
IV.LNSS.HHZ. 2020-09-15T21:41:07.00 0.3 undecidable manual S 199 23.2545 50 0.09 74
IV.SMA1.EHZ. 2020-09-15T21:41:07.16 0.3 undecidable manual S 139 25.0527 50 -0.23 72
IV.MNTT.EHZ. 2020-09-15T21:41:07.24 0.6 undecidable manual P 52 47.3193 50 0.36 45
IV.MOMA.HNZ. 2020-09-15T21:41:06.46 0.6 undecidable manual P 271 45.9207 50 -0.2 46
IV.TERO.HHZ. 2020-09-15T21:41:06.02 0.6 undecidable manual P 117 43.1235 50 -0.21 46
IV.MTRA.EHZ. 2020-09-15T21:41:06.05 0.6 undecidable manual S 103 21.9669 115 -0.44 46
IT.MTCL.HGZ. 2020-09-15T21:41:06.75 0.3 undecidable manual S 333 23.9538 50 -0.35 70
IV.GAVE.HNZ. 2020-09-15T21:41:06.72 0.3 undecidable manual S 238 22.9548 114 -0.09 74
IV.ASSB.HHZ. 2020-09-15T21:41:06.58 0.3 undecidable manual P 305 47.0196 50 -0.25 69
IV.FEMA.HNZ. 2020-09-15T21:41:05.50 0.3 undecidable manual S 339 19.0698 118 -0.11 74
IV.ARRO.EHZ. 2020-09-15T21:41:05.64 0.3 undecidable manual P 231 38.8278 50 0.07 72
IV.MF5.EHZ. 2020-09-15T21:41:05.01 0.3 undecidable manual P 52 33.6441 50 0.25 70
IV.MMO1.EHZ. 2020-09-15T21:41:05.33 0.6 undecidable manual S 55 19.0698 118 -0.27 48
IV.CSP1.EHZ. 2020-09-15T21:41:04.56 0.1 undecidable manual P 10 32.745 50 -0.07 97
IV.RM33.EHZ. 2020-09-15T21:41:04.58 0.3 undecidable manual P 169 33.0447 50 -0.11 72
IV.GUMA.HHZ. 2020-09-15T21:41:04.97 0.3 undecidable manual P 29 33.2445 50 0.25 70
IV.MC2.EHZ. 2020-09-15T21:41:04.04 0.3 undecidable manual S 20 12.9759 128 0.2 74
IV.CESI.HHZ. 2020-09-15T21:41:04.16 0.1 positive manual P 321 29.2485 50 0.06 98
IV.LNSS.HHZ. 2020-09-15T21:41:03.27 0.1 undecidable manual P 199 23.2545 50 0.1 99
IV.SMA1.EHZ. 2020-09-15T21:41:03.32 0.1 undecidable manual P 139 25.0527 50 -0.13 98
IV.FDMO.HHZ. 2020-09-15T21:41:03.54 0.1 positive manual P 352 26.3514 50 -0.11 98
IT.MTCL.HGZ. 2020-09-15T21:41:03.20 0.1 undecidable manual P 333 23.9538 50 -0.08 99
IV.GAVE.HNZ. 2020-09-15T21:41:03.24 0.3 undecidable manual P 238 22.9548 114 0.12 74
IV.MMO1.EHZ. 2020-09-15T21:41:02.29 0.3 undecidable manual P 55 19.0698 118 -0.13 74
IV.MTRA.EHZ. 2020-09-15T21:41:02.80 0.3 undecidable manual P 103 21.9669 115 -0.13 74
IV.FEMA.HNZ. 2020-09-15T21:41:02.52 0.3 undecidable manual P 339 19.0698 118 0.1 74
IV.MC2.EHZ. 2020-09-15T21:41:01.66 0.1 undecidable manual P 20 12.9759 128 0.26 97
IV.NRCA.HNZ. 2020-09-15T21:41:01.72 0.6 undecidable manual S 336 3.8961 159 -0.19 50
IV.NRCA.HNZ. 2020-09-15T21:41:00.47 0.1 undecidable manual P 336 3.8961 159 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.7 0.000237 0.26 AML other m 2020-09-15T21:41:12.13
IV.MTRA.EHE. ML:1.2 0.00016800000000000002 0.16 AML other m 2020-09-15T21:41:07.38
IV.LNSS.HHN. ML:1.8 0.0004 0.52 AML other m 2020-09-15T21:41:07.24
IV.LNSS.HHE. ML:1.9 0.000533 0.34 AML other m 2020-09-15T21:41:07.54
IV.FDMO.HHN. ML:1.3 0.00010899999999999999 1.2 AML other m 2020-09-15T21:41:08.85
IV.FDMO.HHE. ML:1.4 0.0001375 0.6 AML other m 2020-09-15T21:41:08.80
IV.CESI.HHN. ML:1.7 0.0002305 0.24 AML other m 2020-09-15T21:41:08.76
IV.SMA1.EHN. ML:1.1 0.00010265 0.56 AML other m 2020-09-15T21:41:08.40
IV.CESI.HHE. ML:1.5 0.000148 0.36 AML other m 2020-09-15T21:41:08.96
IV.GUMA.HHN. ML:1.8 0.00027550000000000003 0.26 AML other m 2020-09-15T21:41:10.88
IV.CSP1.EHE. ML:1.3 0.00011595 0.92 AML other m 2020-09-15T21:41:10.48
IV.RM33.EHE. ML:1.1 0.00006235 0.14 AML other m 2020-09-15T21:41:11.08
IV.RM33.EHN. ML:1.0 0.0000533 1.74 AML other m 2020-09-15T21:41:11.04
IV.TERO.HHN. ML:1.4 0.00007675 0.06 AML other m 2020-09-15T21:41:12.59
IV.TERO.HHE. ML:1.2 0.00005434999999999999 0.76 AML other m 2020-09-15T21:41:12.72
IV.SMA1.EHE. ML:1.2 0.0001085 1.26 AML other m 2020-09-15T21:41:12.10
IV.ASSB.HHE. ML:1.0 0.00002565 0.74 AML other m 2020-09-15T21:41:14.22
IV.MNTT.EHN. ML:1.6 0.0001182 0.6 AML other m 2020-09-15T21:41:17.30
IV.ATCC.EHE. ML:1.1 0.00002295 0.74 AML other m 2020-09-15T21:41:17.50
IV.ATCC.EHN. ML:1.0 0.0000222 1.28 AML other m 2020-09-15T21:41:19.79
IV.SSFR.HHN. ML:1.3 0.000031 0.68 AML other m 2020-09-15T21:41:24.52
IV.SSFR.HHE. ML:1.4 0.000034 0.26 AML other m 2020-09-15T21:41:24.17
IV.MTRA.EHN. ML:1.4 0.0001560856 0.8192 AML other m 2020-09-15T21:41:06.64
IV.FIAM.HHE. ML:0.7 0.0000083391825 2.8928 AML other m 2020-09-15T21:41:17.08
IV.FIAM.HHN. ML:0.7 0.0000103895935 0.768 AML other m 2020-09-15T21:41:18.08
IV.EL6.EHN. ML:1.5 0.00006258892500000001 0.7296 AML other m 2020-09-15T21:41:17.71
IV.EL6.EHE. ML:1.4 0.00004920906 2.112 AML other m 2020-09-15T21:41:18.36
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