Earthquake with magnitude of ML 0.8 on date 12-09-2021 and time 15:06:26 (UTC) in region 3 km S Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km S Norcia (PG), on

  • 12-09-2021 15:06:26 (UTC)
  • 12-09-2021 17:06:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7710, 13.0970 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cascia PG 9 3217 8174
Preci PG 13 724 8898
Castelsantangelo sul Nera MC 15 281 9179
Poggiodomo PG 15 117 9296
Accumoli RI 15 667 9963
Cerreto di Spoleto PG 16 1075 11038
Arquata del Tronto AP 16 1178 12216
Cittareale RI 18 482 12698
Monteleone di Spoleto PG 18 599 13297
Visso MC 18 1107 14404
Vallo di Nera PG 19 364 14768
Sellano PG 19 1079 15847
Ussita MC 20 444 16291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 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
Reviewed
Rev100
ML 0.8 2021-09-12
15:06:26
42.7707 13.0968 11 2021-09-12
15:14:04
Sala Sismica INGV-Roma 95352221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-12 15:06:26 ± 0.04
Latitude 42.7707 ± 0.0018
Longitude 13.0968 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95352221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
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) 54
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 95352221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-12 15:14:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-09-12T15:06:56.82 0.6 undecidable manual S -0.3 0.84
IV.MOMA.HHZ. 2021-09-12T15:06:40.38 0.1 undecidable manual S 275 43.0236 50 0.31 90
IV.MML1.EHZ. 2021-09-12T15:06:39.04 0.3 undecidable manual S 345 39.3273 50 -0.05 72
IV.CSP1.EHZ. 2021-09-12T15:06:38.49 0.3 undecidable manual S 14 36.741 50 0.12 71
IV.RM33.HNN. 2021-09-12T15:06:36.78 0.1 undecidable manual S 162 30.5472 50 0.04 97
IV.CESI.HHZ. 2021-09-12T15:06:36.35 0.1 undecidable manual S 329 30.3474 50 -0.32 92
IV.FDMO.HHZ. 2021-09-12T15:06:36.12 0.6 undecidable manual S 358 29.4483 50 -0.33 46
IV.MOMA.HHZ. 2021-09-12T15:06:34.34 0.6 undecidable manual P 275 43.0236 50 0.2 46
IV.MTRA.HNE. 2021-09-12T15:06:34.96 0.1 undecidable manual S 94 24.4533 50 -0.15 96
IV.MMO1.HNE. 2021-09-12T15:06:34.84 0.1 undecidable manual S 53 23.5542 50 -0.02 99
IV.GAVE.HNN. 2021-09-12T15:06:33.40 0.1 undecidable manual S 242 18.6702 120 -0.1 98
IV.CSP1.EHZ. 2021-09-12T15:06:33.08 0.6 negative manual P 14 36.741 50 -0.08 48
IV.MC2.EHZ. 2021-09-12T15:06:33.38 0.1 undecidable manual S 26 17.2716 122 0.28 95
IV.MML1.EHZ. 2021-09-12T15:06:33.77 1.0 undecidable manual P 345 39.3273 50 0.2 23
IV.LNSS.HHZ. 2021-09-12T15:06:33.49 0.1 undecidable manual S 194 19.1697 119 -0.17 97
IV.RM33.HNN. 2021-09-12T15:06:32.19 0.1 undecidable manual P 162 30.5472 50 -0.03 98
IV.CESI.HHZ. 2021-09-12T15:06:32.35 0.1 undecidable manual P 329 30.3474 50 0.18 95
IV.FDMO.HHZ. 2021-09-12T15:06:31.69 0.6 positive manual P 358 29.4483 50 -0.36 46
IV.MTRA.HNE. 2021-09-12T15:06:31.31 0.3 undecidable manual P 94 24.4533 50 0.04 74
IV.MMO1.HNE. 2021-09-12T15:06:31.14 0.6 undecidable manual P 53 23.5542 50 0.01 50
IV.SMA1.EHZ. 2021-09-12T15:06:31.50 0.6 undecidable manual P 129 24.8529 50 0.16 48
IV.MC2.EHZ. 2021-09-12T15:06:30.23 0.6 positive manual P 26 17.2716 122 0.12 49
IV.LNSS.HHZ. 2021-09-12T15:06:30.50 0.1 undecidable manual P 194 19.1697 119 0.06 99
IV.NRCA.HHZ. 2021-09-12T15:06:30.31 0.1 undecidable manual S 11 7.0929 146 -0.18 98
IV.GAVE.HNN. 2021-09-12T15:06:30.31 0.1 undecidable manual P 242 18.6702 120 -0.04 99
IV.T1299.HNE. 2021-09-12T15:06:30.86 0.1 undecidable manual P 135 21.3675 50 0.06 98
IV.NRCA.HHZ. 2021-09-12T15:06:28.71 0.1 undecidable manual P 11 7.0929 146 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.000127 0.6 AML other m 2021-09-12T15:06:30.90
IV.NRCA.HHE. ML:1.0 0.0001365 0.08 AML other m 2021-09-12T15:06:31.91
IV.LNSS.HHE. ML:0.9 0.0000669 0.14 AML other m 2021-09-12T15:06:33.88
IV.LNSS.HHN. ML:1.0 0.0000766 0.2 AML other m 2021-09-12T15:06:34.14
IV.FDMO.HHE. ML:0.5 0.0000154 0.8 AML other m 2021-09-12T15:06:36.48
IV.FDMO.HHN. ML:0.7 0.000025972146500000002 0.128 AML other m 2021-09-12T15:06:36.70
IV.NRCA.HNE. ML:1.0 0.000135334759 0.1536 AML other m 2021-09-12T15:06:31.99
IV.NRCA.HNN. ML:1.0 0.00012872735000000001 0.1024 AML other m 2021-09-12T15:06:30.47
IV.LNSS.HNE. ML:1.0 0.00007735744 0.6784 AML other m 2021-09-12T15:06:31.44
IV.SMA1.EHE. ML:0.8 0.00003403871 0.5376 AML other m 2021-09-12T15:06:39.77
IV.SMA1.EHN. ML:0.5 0.000018295054999999997 0.2816 AML other m 2021-09-12T15:06:38.66
IV.CSP1.EHN. ML:0.9 0.00002918818 0.1792 AML other m 2021-09-12T15:06:39.44
IV.MML1.EHE. ML:0.6 0.00001352664 0.1408 AML other m 2021-09-12T15:06:40.27
IV.MML1.EHN. ML:0.5 0.0000095925445 0.1152 AML other m 2021-09-12T15:06:40.33
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