Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 05-09-2021 and time 03:06:29 (Italy) in region 4 km N Preci (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km N Preci (PG), on

  • 05-09-2021 01:06:29 (UTC)
  • 05-09-2021 03:06:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 13.0260 at 11 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
Preci PG 4 724 724
Visso MC 6 1107 1831
Sellano PG 8 1079 2910
Monte Cavallo MC 9 145 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 11 281 3780
Cerreto di Spoleto PG 14 1075 4855
Norcia PG 15 4957 9812
Pieve Torina MC 15 1458 11270
Fiordimonte MC 15 202 11472
Pievebovigliana MC 17 866 12338
Fiastra MC 17 559 12897
Acquacanina MC 18 121 13018
Serravalle di Chienti MC 19 1070 14088
Bolognola MC 19 142 14230
Muccia MC 19 915 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 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 2021-09-05
01:06:29		 42.914 13.0257 11 2022-03-30
13:04:05		 Bollettino Sismico Italiano INGV 95263701
Reviewed
Rev100 		ML 1.3 2021-09-05
01:06:29		 42.9097 13.0167 10 2021-09-05
01:14:08		 Sala Sismica INGV-Roma 95051831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-05 01:06:29 ± 0.03
Latitude 42.9140 ± 0.0018
Longitude 13.0257 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95263701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 223
Semi-minor axis of confidence ellipse (meter) 158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
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) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.78061
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95263701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-10 10:56:27

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95051831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-05 01:14:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-09-05T01:06:47.47 0.6 undecidable manual S 124 57.0984 50 0.01 46
IV.MURB.HHZ. 2021-09-05T01:06:47.55 0.6 undecidable manual S 314 56.0994 50 0.36 43
IV.CING.HHZ. 2021-09-05T01:06:46.68 0.3 undecidable manual S 15 53.0025 50 0.31 66
IV.RM33.EHZ. 2021-09-05T01:06:45.19 0.6 undecidable manual S 161 47.5191 50 0.29 44
IV.CESX.HHZ. 2021-09-05T01:06:45.48 0.6 undecidable manual S 227 49.2174 50 0.12 46
IV.ATCC.EHZ. 2021-09-05T01:06:44.07 0.6 undecidable manual S 314 43.4232 50 0.27 45
IV.APEC.HNZ. 2021-09-05T01:06:44.81 0.3 undecidable manual P 326 86.6466 50 0.31 62
IV.EL6.EHZ. 2021-09-05T01:06:44.58 0.3 undecidable manual S 8 46.5201 50 -0.04 70
IV.SMA1.EHZ. 2021-09-05T01:06:43.04 0.3 undecidable manual S 141 40.3263 50 0.06 71
IV.MF5.EHZ. 2021-09-05T01:06:42.24 0.6 undecidable manual S 77 36.1416 50 0.37 45
IV.MOMA.HNZ. 2021-09-05T01:06:42.91 0.3 undecidable manual S 252 39.0276 50 0.28 68
IV.T1299.HNZ. 2021-09-05T01:06:42.58 0.6 undecidable manual S 146 37.4292 50 0.38 44
IV.ARVD.HHZ. 2021-09-05T01:06:41.11 0.3 undecidable manual P 354 65.1903 50 -0.08 67
IV.LNSS.HHZ. 2021-09-05T01:06:41.22 0.3 undecidable manual S 178 34.5432 50 -0.22 69
IV.MTRA.HNZ. 2021-09-05T01:06:41.31 0.6 undecidable manual S 120 34.8429 50 -0.21 46
IV.SSFR.HHZ. 2021-09-05T01:06:40.45 0.3 undecidable manual P 341 61.1943 50 -0.13 67
IV.GUMA.HHZ. 2021-09-05T01:06:40.46 0.3 undecidable manual S 57 30.0477 50 0.22 70
IV.ASSB.HHZ. 2021-09-05T01:06:40.79 0.6 undecidable manual S 296 33.0447 50 -0.24 46
IV.GAVE.EHZ. 2021-09-05T01:06:39.14 0.3 undecidable manual S 204 26.8509 50 -0.24 70
IV.PF6.EHZ. 2021-09-05T01:06:39.65 0.3 undecidable manual S 29 28.3494 50 -0.13 71
IV.CING.HHZ. 2021-09-05T01:06:39.24 0.3 undecidable manual P 15 53.0025 50 -0.08 69
IV.TERO.HHZ. 2021-09-05T01:06:39.81 0.3 undecidable manual P 124 57.0984 50 -0.14 68
IV.MURB.HHZ. 2021-09-05T01:06:39.90 0.3 undecidable manual P 314 56.0994 50 0.11 68
IV.RM33.EHZ. 2021-09-05T01:06:38.21 0.3 undecidable manual P 161 47.5191 50 -0.26 67
IV.CESX.HHZ. 2021-09-05T01:06:38.93 0.1 undecidable manual P 227 49.2174 50 0.19 91
IV.MMO1.EHZ. 2021-09-05T01:06:38.53 0.3 undecidable manual S 94 24.5532 50 -0.23 70
IV.CSP1.EHZ. 2021-09-05T01:06:38.52 0.3 undecidable manual S 36 24.4533 50 -0.24 70
IV.EL6.EHZ. 2021-09-05T01:06:38.34 0.3 positive manual P 8 46.5201 50 0.03 71
IV.ARRO.EHZ. 2021-09-05T01:06:37.50 0.6 undecidable manual P 210 42.7239 50 -0.24 45
IV.MML1.EHZ. 2021-09-05T01:06:37.92 0.3 undecidable manual S 349 22.5552 50 -0.32 69
IV.ATCC.EHZ. 2021-09-05T01:06:37.67 0.3 undecidable manual P 314 43.4232 50 -0.16 69
IV.SMA1.EHZ. 2021-09-05T01:06:37.23 0.3 undecidable manual P 141 40.3263 50 -0.13 70
IV.MOMA.HNZ. 2021-09-05T01:06:37.53 0.1 undecidable manual P 252 39.0276 50 0.37 89
IV.ASSB.HHZ. 2021-09-05T01:06:36.02 0.3 undecidable manual P 296 33.0447 50 -0.22 70
IV.T1299.HNZ. 2021-09-05T01:06:36.80 0.1 undecidable manual P 146 37.4292 50 -0.11 94
IV.MC2.EHZ. 2021-09-05T01:06:36.03 0.3 undecidable manual S 91 13.2756 129 0.41 69
IV.LNSS.HHZ. 2021-09-05T01:06:36.28 0.3 undecidable manual P 178 34.5432 50 -0.19 70
IV.MTRA.HNZ. 2021-09-05T01:06:36.38 0.1 undecidable manual P 120 34.8429 50 -0.14 94
IV.MF5.EHZ. 2021-09-05T01:06:36.92 0.3 undecidable manual P 77 36.1416 50 0.2 69
IV.GUMA.HHZ. 2021-09-05T01:06:36.09 0.3 positive manual P 57 30.0477 50 0.31 69
IV.GAVE.EHZ. 2021-09-05T01:06:35.28 0.1 positive manual P 204 26.8509 50 0 98
IV.PF6.EHZ. 2021-09-05T01:06:35.38 0.1 undecidable manual P 29 28.3494 50 -0.14 95
IV.FDMO.HHZ. 2021-09-05T01:06:35.76 0.3 undecidable manual S 20 14.4744 127 -0.19 72
IV.CESI.HHZ. 2021-09-05T01:06:35.60 0.3 undecidable manual S 316 14.0748 127 -0.24 72
IV.MMO1.EHZ. 2021-09-05T01:06:34.85 0.1 undecidable manual P 94 24.5532 50 -0.08 97
IT.MTCL.HGZ. 2021-09-05T01:06:34.28 0.3 undecidable manual S 346 9.0798 140 -0.3 71
IV.CSP1.EHZ. 2021-09-05T01:06:34.92 0.1 positive manual P 36 24.4533 50 0 98
IV.NRCA.HNZ. 2021-09-05T01:06:34.92 0.3 undecidable manual S 141 11.4774 133 -0.23 72
IV.MML1.EHZ. 2021-09-05T01:06:34.54 0.3 undecidable manual P 349 22.5552 50 -0.08 73
IV.FDMO.HHZ. 2021-09-05T01:06:33.38 0.1 positive manual P 20 14.4744 127 0.08 99
IV.CESI.HHZ. 2021-09-05T01:06:33.39 0.1 negative manual P 316 14.0748 127 0.15 97
IV.MC2.EHZ. 2021-09-05T01:06:33.31 0.1 undecidable manual P 91 13.2756 129 0.2 96
IV.FEMA.HNZ. 2021-09-05T01:06:33.85 0.6 undecidable manual S 20 5.6943 152 -0.06 50
IV.FEMA.HNZ. 2021-09-05T01:06:32.30 0.1 undecidable manual P 20 5.6943 152 0.17 98
IT.MTCL.HGZ. 2021-09-05T01:06:32.58 0.1 undecidable manual P 346 9.0798 140 0.07 100
IV.NRCA.HNZ. 2021-09-05T01:06:32.87 0.1 undecidable manual P 141 11.4774 133 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.8 0.0006655 0.16 AML other m 2021-09-05T01:06:35.11
IV.NRCA.HHN. ML:1.6 0.0005420000000000001 0.74 AML other m 2021-09-05T01:06:35.39
IV.CESI.HHE. ML:1.7 0.0005434999999999999 0.16 AML other m 2021-09-05T01:06:35.95
IV.CESI.HHN. ML:1.8 0.000652 1.48 AML other m 2021-09-05T01:06:36.89
IV.FDMO.HHE. ML:1.8 0.0005795 0.2 AML other m 2021-09-05T01:06:36.31
IV.FDMO.HHN. ML:1.4 0.00027 0.36 AML other m 2021-09-05T01:06:36.24
IV.MML1.EHE. ML:1.2 0.0001105 0.68 AML other m 2021-09-05T01:06:38.03
IV.MML1.EHN. ML:1.4 0.00016849999999999998 0.2 AML other m 2021-09-05T01:06:38.57
IV.CSP1.EHN. ML:1.7 0.0003145 1.62 AML other m 2021-09-05T01:06:38.16
IV.CSP1.EHE. ML:1.8 0.000329 0.2 AML other m 2021-09-05T01:06:39.40
IV.GAVE.EHE. ML:1.4 0.00014050000000000003 0.96 AML other m 2021-09-05T01:06:39.93
IV.GAVE.EHN. ML:1.3 0.0000977 1.12 AML other m 2021-09-05T01:06:40.03
IV.GUMA.HHE. ML:1.6 0.000184 1.82 AML other m 2021-09-05T01:06:40.96
IV.GUMA.HHN. ML:1.4 0.0001085 0.54 AML other m 2021-09-05T01:06:41.07
IV.ASSB.HHN. ML:1.4 0.00011645 1.22 AML other m 2021-09-05T01:06:41.18
IV.ASSB.HHE. ML:1.4 0.0001115 0.68 AML other m 2021-09-05T01:06:41.47
IV.LNSS.HHE. ML:1.2 0.00006515 0.12 AML other m 2021-09-05T01:06:42.08
IV.LNSS.HHN. ML:1.1 0.00005085000000000001 0.62 AML other m 2021-09-05T01:06:43.61
IV.ARRO.EHN. ML:0.9 0.000026799999999999998 0.18 AML other m 2021-09-05T01:06:44.69
IV.SMA1.EHN. ML:1.0 0.000037 0.98 AML other m 2021-09-05T01:06:45.52
IV.ATCC.EHE. ML:1.2 0.000044 0.28 AML other m 2021-09-05T01:06:45.21
IV.ATCC.EHN. ML:1.1 0.00004055 1.06 AML other m 2021-09-05T01:06:45.26
IV.ARRO.EHE. ML:0.9 0.00002335 0.2 AML other m 2021-09-05T01:06:45.18
IV.RM33.EHN. ML:1.0 0.0000266 0.5 AML other m 2021-09-05T01:06:46.51
IV.RM33.EHE. ML:1.0 0.000026700000000000002 1.74 AML other m 2021-09-05T01:06:47.88
IV.CING.HHN. ML:0.8 0.0000155 0.46 AML other m 2021-09-05T01:06:47.32
IV.SMA1.EHE. ML:1.1 0.000039750000000000004 0.56 AML other m 2021-09-05T01:06:48.13
IV.CING.HHE. ML:0.9 0.000017899999999999998 0.14 AML other m 2021-09-05T01:06:48.82
IV.MURB.HHN. ML:1.3 0.0000453 0.62 AML other m 2021-09-05T01:06:50.61
IV.MURB.HHE. ML:1.4 0.000057 1.04 AML other m 2021-09-05T01:06:52.29
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