Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-12-2022 and time 20:26:20 (Italy) in region 2 km SW Sellano (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Sellano (PG), on

  • 19-12-2022 19:26:20 (UTC)
  • 19-12-2022 20:26:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8810, 12.9120 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.

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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
Sellano PG 2 1079 1079
Cerreto di Spoleto PG 7 1075 2154
Preci PG 10 724 2878
Campello sul Clitunno PG 13 2442 5320
Vallo di Nera PG 13 364 5684
Trevi PG 13 8469 14153
Monte Cavallo MC 15 145 14298
Visso MC 16 1107 15405
Sant'Anatolia di Narco PG 17 564 15969
Norcia PG 18 4957 20926
Poggiodomo PG 19 117 21043
Foligno PG 19 57155 78198
Scheggino PG 20 461 78659
Cascia PG 20 3217 81876
Castelsantangelo sul Nera MC 20 281 82157
Ussita MC 20 444 82601

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
49 Km SE of Perugia (166134 inhabitants)
69 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
99 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 1.5 2022-12-19
19:26:20		 42.881 12.9117 10 2024-03-01
15:28:16		 Bollettino Sismico Italiano INGV 113697361
Reviewed
Rev100 		ML 1.4 2022-12-19
19:26:20		 42.8832 12.917 10 2022-12-19
19:44:20		 Sala Sismica INGV-Roma 112952601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-19 19:26:20 ± 0.05
Latitude 42.8810 ± 0.0027
Longitude 12.9117 ± 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 113697361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 307
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 113697361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-20 10:24:25

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 112952601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-19 19:44:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2022-12-19T19:26:46.65 3.0 undecidable manual S 0.54 0
IV.SMA1.EHZ. 2022-12-19T19:26:35.87 0.3 undecidable manual S 129 44.3223 50 0.68 61
IV.GUMA.HHZ. 2022-12-19T19:26:34.37 0.3 undecidable manual S 59 39.8268 50 0.37 67
IV.ATCC.EHZ. 2022-12-19T19:26:34.45 0.3 undecidable manual S 327 40.3263 50 0.33 68
IV.CESX.HHE. 2022-12-19T19:26:33.95 0.6 undecidable manual S 221 40.1265 50 -0.14 47
IV.MMO1.EHZ. 2022-12-19T19:26:32.03 0.3 undecidable manual S 86 33.8439 50 -0.36 68
IV.ARRO.EHZ. 2022-12-19T19:26:32.58 0.6 undecidable manual S 200 35.5422 50 -0.27 46
IV.CSP1.EHZ. 2022-12-19T19:26:32.14 0.3 undecidable manual S 45 33.3444 50 -0.13 72
IV.MOMA.HNZ. 2022-12-19T19:26:31.53 0.3 undecidable manual S 253 29.0487 50 0.41 68
IV.LNSS.HHZ. 2022-12-19T19:26:31.68 0.3 undecidable manual S 161 32.5452 50 -0.38 68
IV.MML1.EHZ. 2022-12-19T19:26:30.24 0.3 undecidable manual S 11 26.2515 110 -0.03 74
IV.EL6.EHZ. 2022-12-19T19:26:30.14 3.0 negative manual P -0.29 0
IV.ASSB.HHZ. 2022-12-19T19:26:30.52 0.3 undecidable manual S 311 27.2505 109 -0.08 73
IV.MC2.EHZ. 2022-12-19T19:26:29.26 0.3 undecidable manual S 81 22.755 113 0.1 73
IV.SMA1.EHZ. 2022-12-19T19:26:29.24 1.0 undecidable manual P 129 44.3223 50 0.23 23
IV.MF5.EHZ. 2022-12-19T19:26:29.60 3.0 positive manual P 0.21 0
IV.GUMA.HHZ. 2022-12-19T19:26:28.43 0.1 negative manual P 59 39.8268 50 0.1 95
IV.ATCC.EHZ. 2022-12-19T19:26:28.45 1.0 undecidable manual P 327 40.3263 50 0.05 24
IV.GAVE.EHZ. 2022-12-19T19:26:28.70 0.3 undecidable manual S 184 20.9679 115 0.12 73
IV.FDMO.HHZ. 2022-12-19T19:26:28.81 0.3 undecidable manual S 40 22.3554 113 -0.22 72
IV.LNSS.HHZ. 2022-12-19T19:26:27.03 1.0 positive manual P 161 32.5452 50 -0.18 24
IV.NRCA.HHZ. 2022-12-19T19:26:27.50 0.3 undecidable manual S 108 17.2716 119 0.06 75
IV.MMO1.EHZ. 2022-12-19T19:26:27.16 0.6 negative manual P 86 33.8439 50 -0.24 47
IV.ARRO.EHZ. 2022-12-19T19:26:27.48 0.3 undecidable manual P 200 35.5422 50 -0.19 70
IV.CSP1.EHZ. 2022-12-19T19:26:27.18 0.1 negative manual P 45 33.3444 50 -0.15 95
IV.CESX.HHE. 2022-12-19T19:26:27.73 0.6 undecidable manual P 221 40.1265 50 -0.65 41
IV.ASSB.HHZ. 2022-12-19T19:26:26.32 0.6 undecidable manual P 311 27.2505 109 -0.05 49
IV.MOMA.HNZ. 2022-12-19T19:26:26.72 0.1 undecidable manual P 253 29.0487 50 0.05 98
IV.MML1.EHZ. 2022-12-19T19:26:26.13 0.3 undecidable manual P 11 26.2515 110 -0.05 74
IV.GAVE.EHZ. 2022-12-19T19:26:25.36 0.1 negative manual P 184 20.9679 115 0.16 97
IV.FDMO.HHZ. 2022-12-19T19:26:25.46 0.6 positive manual P 40 22.3554 113 0 50
IV.MC2.EHZ. 2022-12-19T19:26:25.61 0.1 undecidable manual P 81 22.755 113 0.08 98
IV.NRCA.HHZ. 2022-12-19T19:26:24.58 0.1 undecidable manual P 108 17.2716 119 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.8 0.000587 0.8 AML other m 2022-12-19T19:26:27.52
IV.NRCA.HHE. ML:1.6 0.0003851702 0.1024 AML other m 2022-12-19T19:26:27.60
IV.GAVE.EHE. ML:1.6 0.00030199999999999997 1.52 AML other m 2022-12-19T19:26:28.10
IV.FDMO.HHE. ML:1.5 0.0002265 0.38 AML other m 2022-12-19T19:26:29.04
IV.GAVE.EHN. ML:1.6 0.000252 1.18 AML other m 2022-12-19T19:26:29.91
IV.FDMO.HHN. ML:1.4 0.000155 0.16 AML other m 2022-12-19T19:26:29.33
IV.MML1.EHE. ML:1.8 0.00032950000000000004 0.2 AML other m 2022-12-19T19:26:30.44
IV.MML1.EHN. ML:1.3 0.0001105 0.98 AML other m 2022-12-19T19:26:30.47
IV.ASSB.HHN. ML:1.0 0.00005985 0.9 AML other m 2022-12-19T19:26:30.73
IV.MC2.EHE. ML:1.7 0.000347 0.22 AML other m 2022-12-19T19:26:30.74
IV.MC2.EHN. ML:1.9 0.0005780000000000001 0.2 AML other m 2022-12-19T19:26:31.03
IV.LNSS.HHE. ML:1.4 0.0000984 0.12 AML other m 2022-12-19T19:26:31.96
IV.LNSS.HHN. ML:1.3 0.00008324999999999999 1.18 AML other m 2022-12-19T19:26:32.32
IV.MMO1.EHE. ML:1.3 0.00008740000000000001 0.22 AML other m 2022-12-19T19:26:32.31
IV.ASSB.HHE. ML:1.0 0.0000531 0.54 AML other m 2022-12-19T19:26:32.19
IV.MMO1.EHN. ML:1.3 0.0000848 1.04 AML other m 2022-12-19T19:26:32.04
IV.SMA1.EHE. ML:1.1 0.0000365 0.7 AML other m 2022-12-19T19:26:36.67
IV.EL6.EHE. ML:1.5 0.00008512500000000001 0.42 AML other m 2022-12-19T19:26:39.11
IV.ATCC.EHE. ML:1.4 0.0000875 0.26 AML other m 2022-12-19T19:26:39.47
IV.EL6.EHN. ML:1.6 0.00010125000000000001 0.42 AML other m 2022-12-19T19:26:40.32
IV.NRCA.HNE. ML:1.6 0.00032815044999999997 0.1024 AML other m 2022-12-19T19:26:27.60
IV.NRCA.HNN. ML:1.8 0.0005152239 0.1152 AML other m 2022-12-19T19:26:27.58
IV.GAVE.HNE. ML:1.6 0.00030322205000000004 0.1024 AML other m 2022-12-19T19:26:28.81
IV.CSP1.EHE. ML:1.7 0.00022872765 0.4608 AML other m 2022-12-19T19:26:32.99
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