Earthquake with magnitude of ML 0.7 on date 01-11-2021 and time 05:10:33 (Italy) in region 1 km NE Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 1 km NE Norcia (PG), on

  • 01-11-2021 04:10:33 (UTC)
  • 01-11-2021 05:10:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.1080 at 10 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 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 15 1107 10286
Cerreto di Spoleto PG 16 1075 11361
Arquata del Tronto AP 16 1178 12539
Ussita MC 16 444 12983
Accumoli RI 16 667 13650
Poggiodomo PG 17 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 Km W of Pescara (121014 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 0.7 2021-11-01
04:10:33
42.8012 13.1082 10 2021-11-01
04:15:59
Sala Sismica INGV-Roma 97130911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-01 04:10:33 ± 0.08
Latitude 42.8012 ± 0.0063
Longitude 13.1082 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97130911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 829
Semi-minor axis of confidence ellipse (meter) 22
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 97130911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-01 04:15:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2021-11-01T04:10:50.04 3.0 undecidable manual P -0.16 0
IV.MNTT.EHZ. 2021-11-01T04:10:43.20 1.0 positive manual P 54 49.0176 50 0.7 27
IV.TERO.HHZ. 2021-11-01T04:10:41.73 0.6 undecidable manual P 116 45.0216 50 -0.14 64
IV.GAVE.EHZ. 2021-11-01T04:10:41.24 0.3 undecidable manual S 235 21.2676 114 -0.17 99
IV.GUMA.HHZ. 2021-11-01T04:10:40.29 0.6 positive manual P 32 34.3434 50 0.05 66
IV.MMO1.EHZ. 2021-11-01T04:10:40.97 0.3 undecidable manual S 58 20.868 115 -0.33 96
IV.MC2.EHZ. 2021-11-01T04:10:39.40 0.3 undecidable manual S 28 13.875 125 0.21 100
IV.SMA1.EHZ. 2021-11-01T04:10:39.47 1.0 positive manual P 136 26.4513 110 0.5 31
IV.CESI.HHZ. 2021-11-01T04:10:39.24 0.6 undecidable manual P 324 28.0497 50 -0.02 68
IV.CSP1.EHZ. 2021-11-01T04:10:39.84 0.6 positive manual P 14 33.1446 50 -0.21 64
IV.GAVE.EHZ. 2021-11-01T04:10:38.16 0.6 negative manual P 235 21.2676 114 0.16 66
IV.LNSS.HHZ. 2021-11-01T04:10:38.32 0.6 negative manual P 194 22.6551 113 0.05 68
IV.FDMO.HHZ. 2021-11-01T04:10:38.69 1.0 positive manual P 356 26.1516 110 -0.23 33
IV.MMO1.EHZ. 2021-11-01T04:10:37.80 0.6 undecidable manual P 58 20.868 115 -0.13 67
IV.MC2.EHZ. 2021-11-01T04:10:36.95 0.6 negative manual P 28 13.875 125 0.24 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.8 0.00004375 0.94 AML other m 2021-11-01T04:10:41.67
IV.LNSS.HHN. ML:0.8 0.00004685 1.32 AML other m 2021-11-01T04:10:42.76
IV.GAVE.EHN. ML:0.8 0.0000447 0.16 AML other m 2021-11-01T04:10:42.63
IV.LNSS.HHE. ML:0.9 0.00005665 0.14 AML other m 2021-11-01T04:10:42.70
IV.FDMO.HHE. ML:0.6 0.00002565031 0.1184 AML other m 2021-11-01T04:10:43.24
IV.FDMO.HHN. ML:0.6 0.000021250699999999996 0.08 AML other m 2021-11-01T04:10:42.97
IV.CESI.HHE. ML:0.0 0.000007454081200000001 0.1024 AML other m 2021-11-01T04:10:43.45
IV.CESI.HHN. ML:0.5 0.000012751493999999998 0.08 AML other m 2021-11-01T04:10:43.54
IV.SMA1.EHE. ML:0.4 0.00001603163 0.1408 AML other m 2021-11-01T04:10:44.05
IV.SMA1.EHN. ML:0.6 0.000018806090000000002 0.5216 AML other m 2021-11-01T04:10:49.17
IV.CSP1.EHE. ML:1.0 0.00003888211 0.2816 AML other m 2021-11-01T04:10:45.38
IV.CSP1.EHN. ML:1.0 0.000042330073499999994 0.4 AML other m 2021-11-01T04:10:47.51
IV.GUMA.HHE. ML:0.9 0.00002905976 0.3616 AML other m 2021-11-01T04:10:50.04
IV.GUMA.HHN. ML:0.9 0.000029259754999999997 0.6624 AML other m 2021-11-01T04:10:49.27
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