Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 06-12-2022 and time 09:16:01 (Italy) in region 3 km S Sellano (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km S Sellano (PG), on

  • 06-12-2022 08:16:01 (UTC)
  • 06-12-2022 09:16:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8640, 12.9340 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 3 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 9 724 2878
Vallo di Nera PG 12 364 3242
Campello sul Clitunno PG 14 2442 5684
Visso MC 15 1107 6791
Trevi PG 15 8469 15260
Norcia PG 15 4957 20217
Monte Cavallo MC 16 145 20362
Sant'Anatolia di Narco PG 17 564 20926
Poggiodomo PG 17 117 21043
Cascia PG 17 3217 24260
Castelsantangelo sul Nera MC 18 281 24541
Scheggino PG 19 461 25002
Ussita MC 19 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 0.9 2022-12-06
08:16:01		 42.8642 12.9343 12 2024-03-01
15:28:12		 Bollettino Sismico Italiano INGV 113035611
Reviewed
Rev100 		ML 0.9 2022-12-06
08:16:01		 42.8637 12.9258 11 2022-12-06
08:20:41		 Sala Sismica INGV-Roma 112553671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 08:16:01 ± 0.08
Latitude 42.8642 ± 0.0045
Longitude 12.9343 ± 0.0049
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 113035611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 484
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 112553671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 08:20:41

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 113035611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-23 08:49:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-12-06T08:16:12.65 0.6 undecidable manual S 41 33.4443 93 0.24 47
7F.SIB1.EHZ. 2022-12-06T08:16:11.04 0.3 undecidable manual S 83 27.5502 95 0.22 71
IV.LNSS.HHZ. 2022-12-06T08:16:11.56 0.6 undecidable manual S 163 30.2475 94 0.01 49
IV.ASSB.HHZ. 2022-12-06T08:16:11.28 0.3 undecidable manual S 312 29.8479 94 -0.17 71
IV.MML1.EHZ. 2022-12-06T08:16:10.84 0.6 undecidable manual S 6 27.8499 95 -0.07 48
7F.SIB3.EHZ. 2022-12-06T08:16:10.24 0.1 undecidable manual S 87 27.3504 95 -0.54 87
IV.FDMO.HHZ. 2022-12-06T08:16:09.59 0.6 undecidable manual S 33 22.755 97 0.01 50
IV.CESI.HHZ. 2022-12-06T08:16:07.68 0.6 undecidable manual S 351 15.7731 107 -0.06 49
IV.NRCA.HHZ. 2022-12-06T08:16:07.55 0.6 undecidable manual S 103 15.0738 110 0 51
IV.ASSB.HHZ. 2022-12-06T08:16:07.14 0.1 undecidable manual P 312 29.8479 94 0.1 97
IV.CSP1.EHZ. 2022-12-06T08:16:07.80 0.6 negative manual P 41 33.4443 93 0.21 47
IV.FEMA.HNZ. 2022-12-06T08:16:07.15 0.1 undecidable manual S 41 14.3745 112 -0.23 96
IV.LNSS.HHZ. 2022-12-06T08:16:06.94 1.0 negative manual P 163 30.2475 94 -0.16 24
7F.SIB3.EHZ. 2022-12-06T08:16:06.54 0.1 undecidable manual P 87 27.3504 95 -0.11 97
IV.FDMO.HHZ. 2022-12-06T08:16:06.02 0.6 positive manual P 33 22.755 97 0.06 50
IV.MML1.EHZ. 2022-12-06T08:16:06.81 0.3 positive manual P 6 27.8499 95 0.08 74
7F.SIB1.EHZ. 2022-12-06T08:16:06.80 0.1 undecidable manual P 83 27.5502 95 0.12 97
IV.MC2.EHZ. 2022-12-06T08:16:05.99 0.6 negative manual P 76 21.3675 98 0.25 48
IV.FEMA.HNZ. 2022-12-06T08:16:04.82 0.1 undecidable manual P 41 14.3745 112 0.13 99
IV.CESI.HHZ. 2022-12-06T08:16:04.85 0.6 undecidable manual P 351 15.7731 107 -0.05 50
IV.NRCA.HHZ. 2022-12-06T08:16:04.86 0.1 negative manual P 103 15.0738 110 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.9 0.000071 0.46 AML other m 2022-12-06T08:16:07.84
IV.NRCA.HHN. ML:0.9 0.00006355 0.66 AML other m 2022-12-06T08:16:08.56
IV.FDMO.HHE. ML:1.0 0.000053150000000000004 1.78 AML other m 2022-12-06T08:16:09.96
IV.FDMO.HHN. ML:0.9 0.0000451 0.88 AML other m 2022-12-06T08:16:10.45
IV.ASSB.HHE. ML:1.1 0.00005465000000000001 0.94 AML other m 2022-12-06T08:16:11.37
IV.ASSB.HHN. ML:1.0 0.00005115 0.22 AML other m 2022-12-06T08:16:11.36
IV.CESI.HHE. ML:0.6 0.000029303835 0.1792 AML other m 2022-12-06T08:16:08.56
IV.CESI.HHN. ML:0.8 0.000047696815 0.1216 AML other m 2022-12-06T08:16:07.75
IV.LNSS.HHE. ML:1.0 0.000049433370000000005 0.1024 AML other m 2022-12-06T08:16:12.06
IV.LNSS.HHN. ML:0.9 0.0000336517 0.1408 AML other m 2022-12-06T08:16:11.85
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