Earthquake with magnitude of ML 1.9 on date 27-12-2020 and time 13:08:17 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km NE Norcia (PG), on

  • 27-12-2020 12:08:17 (UTC)
  • 27-12-2020 13:08:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1240 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.

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
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 16 444 11908
Accumoli RI 16 667 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Poggiodomo PG 19 117 14290
Sellano PG 19 1079 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
99 Km NW 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
Bulletin
Rev1000
ML 1.9 2020-12-27
12:08:17
42.8062 13.1237 10 2021-02-26
14:56:13
Bollettino Sismico Italiano INGV 86040941
Reviewed
Rev100
ML 2.0 2020-12-27
12:08:17
42.8067 13.1228 9 2020-12-27
12:18:46
Sala Sismica INGV-Roma 85754771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-27 12:08:17 ± 0.04
Latitude 42.8062 ± 0.0027
Longitude 13.1237 ± 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 86040941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.70417
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 85754771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-27 12:18:46

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 86040941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-06 01:48:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-12-27T12:08:36.00 0.3 undecidable manual S 358 58.0974 50 0.49 64
IV.MNTP.HNZ. 2020-12-27T12:08:33.42 0.3 undecidable manual S 37 46.2204 50 1.07 51
IV.ASSB.HHZ. 2020-12-27T12:08:32.10 0.6 undecidable manual S 305 46.0206 50 -0.18 46
IV.TERO.HHZ. 2020-12-27T12:08:31.40 0.3 undecidable manual S 117 44.1225 50 -0.38 67
IV.ARVD.HHZ. 2020-12-27T12:08:30.91 0.3 undecidable manual P 349 78.1662 50 0.03 68
IV.SAP2.EHZ. 2020-12-27T12:08:30.86 0.3 undecidable manual S 35 39.2274 50 0.38 68
IV.ARRO.EHZ. 2020-12-27T12:08:30.20 0.3 undecidable manual S 229 38.5281 50 -0.09 72
IV.MF5.EHZ. 2020-12-27T12:08:29.40 0.6 undecidable manual S 53 33.9438 50 0.33 46
IV.CAMP.HHE. 2020-12-27T12:08:29.80 0.3 undecidable manual S 142 37.9287 50 -0.34 68
IV.PF6.EHN. 2020-12-27T12:08:29.50 0.3 undecidable manual S 9 37.2294 50 -0.45 67
IV.GUMA.HHZ. 2020-12-27T12:08:28.90 0.6 undecidable manual S 31 33.2445 50 0.02 49
IV.CSP1.EHZ. 2020-12-27T12:08:28.20 0.3 undecidable manual S 12 32.3454 50 -0.45 67
IV.CESI.HHZ. 2020-12-27T12:08:27.30 0.3 undecidable manual S 321 28.3494 50 -0.27 71
IV.EL6.EHZ. 2020-12-27T12:08:27.72 0.3 undecidable manual P 358 58.0974 50 -0.06 70
IV.ATCC.EHZ. 2020-12-27T12:08:27.87 0.3 undecidable manual P 317 57.498 50 0.17 68
IV.LNSS.HHZ. 2020-12-27T12:08:26.20 0.3 undecidable manual S 197 23.5542 112 0.14 73
IV.MOMA.HHZ. 2020-12-27T12:08:26.08 0.3 undecidable manual P 270 45.0216 50 0.3 68
IV.SMA1.EHZ. 2020-12-27T12:08:26.70 0.6 undecidable manual S 138 26.0517 110 -0.16 48
IV.T1299.EHZ. 2020-12-27T12:08:26.20 0.3 undecidable manual S 146 23.0547 113 0.31 71
IV.MTRA.EHZ. 2020-12-27T12:08:25.60 0.3 undecidable manual S 104 22.8549 113 -0.25 72
IV.SAP2.EHZ. 2020-12-27T12:08:25.25 0.3 undecidable manual P 35 39.2274 50 0.37 68
IV.GAVE.EHZ. 2020-12-27T12:08:25.90 0.3 undecidable manual S 236 22.5552 113 0.16 73
IV.MNTP.HNZ. 2020-12-27T12:08:25.95 0.3 undecidable manual P 37 46.2204 50 -0.01 72
IV.ASSB.HHZ. 2020-12-27T12:08:25.77 0.3 undecidable manual P 305 46.0206 50 -0.15 70
IT.MTCL.HGZ. 2020-12-27T12:08:25.50 0.3 undecidable manual S 334 23.1546 113 -0.43 69
IV.TERO.HHZ. 2020-12-27T12:08:25.34 0.3 undecidable manual P 117 44.1225 50 -0.29 68
IV.MF5.EHZ. 2020-12-27T12:08:24.28 0.3 undecidable manual P 53 33.9438 50 0.22 71
IV.PF6.EHN. 2020-12-27T12:08:24.29 0.3 undecidable manual P 9 37.2294 50 -0.28 69
IV.GUMA.HHZ. 2020-12-27T12:08:24.09 0.1 undecidable manual P 31 33.2445 50 0.13 96
IV.CAMP.HHE. 2020-12-27T12:08:24.51 0.3 undecidable manual P 142 37.9287 50 -0.17 71
IV.MMO1.EHZ. 2020-12-27T12:08:24.50 0.3 undecidable manual S 58 19.4694 116 -0.28 72
IV.ARRO.EHZ. 2020-12-27T12:08:24.82 0.1 undecidable manual P 229 38.5281 50 0.05 97
IV.FEMA.HNZ. 2020-12-27T12:08:24.20 0.3 undecidable manual S 341 18.3705 118 -0.22 73
IV.CESI.HHZ. 2020-12-27T12:08:23.11 0.3 undecidable manual P 321 28.3494 50 -0.09 73
IV.MC2.EHZ. 2020-12-27T12:08:23.00 0.3 undecidable manual S 24 12.876 127 0.2 74
IV.CSP1.EHZ. 2020-12-27T12:08:23.68 0.3 undecidable manual P 12 32.3454 50 -0.14 72
IV.GAVE.EHZ. 2020-12-27T12:08:22.31 0.3 undecidable manual P 236 22.5552 113 0.16 73
IV.T1299.EHZ. 2020-12-27T12:08:22.43 0.3 undecidable manual P 146 23.0547 113 0.2 72
IT.MTCL.HGZ. 2020-12-27T12:08:22.17 0.3 undecidable manual P 334 23.1546 113 -0.08 74
IV.LNSS.HHZ. 2020-12-27T12:08:22.35 0.3 undecidable manual P 197 23.5542 112 0.02 75
IV.MTRA.EHZ. 2020-12-27T12:08:22.08 0.3 undecidable manual P 104 22.8549 113 -0.13 73
IV.SMA1.EHZ. 2020-12-27T12:08:22.68 0.3 undecidable manual P 138 26.0517 110 -0.11 73
IV.MMO1.EHZ. 2020-12-27T12:08:21.54 0.1 undecidable manual P 58 19.4694 116 -0.05 100
IV.FEMA.HNZ. 2020-12-27T12:08:21.48 0.3 undecidable manual P 341 18.3705 118 0.1 74
IV.NRCA.HNZ. 2020-12-27T12:08:20.50 0.3 undecidable manual S 346 3.0969 162 -0.25 74
IV.MC2.EHZ. 2020-12-27T12:08:20.71 0.1 undecidable manual P 24 12.876 127 0.26 97
IV.NRCA.HNZ. 2020-12-27T12:08:19.49 0.1 undecidable manual P 346 3.0969 162 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.005894999999999999 1.2 AML other m 2020-12-27T12:08:20.74
IV.NRCA.HNN. ML:0.0 0.0059900000000000005 0.54 AML other m 2020-12-27T12:08:20.74
IV.NRCA.HHE. ML:0.0 0.0123 0.1 AML other m 2020-12-27T12:08:21.10
IV.NRCA.HNE. ML:0.0 0.011699999999999999 0.1 AML other m 2020-12-27T12:08:21.10
IV.MTRA.EHE. ML:0.0 0.000635 0.7 AML other m 2020-12-27T12:08:26.09
IV.MTRA.HNE. ML:0.0 0.000617 0.7 AML other m 2020-12-27T12:08:26.09
IV.LNSS.HHE. ML:0.0 0.0011330000000000001 0.14 AML other m 2020-12-27T12:08:26.67
IV.LNSS.HNE. ML:0.0 0.0010735 0.14 AML other m 2020-12-27T12:08:26.68
IV.GAVE.EHN. ML:0.0 0.0009065000000000001 1.2 AML other m 2020-12-27T12:08:26.89
IV.GAVE.EHE. ML:0.0 0.0006655 0.7 AML other m 2020-12-27T12:08:26.93
IV.LNSS.HHN. ML:0.0 0.0010705 1.44 AML other m 2020-12-27T12:08:26.99
IV.LNSS.HNN. ML:0.0 0.0010220000000000001 0.56 AML other m 2020-12-27T12:08:27.00
IV.MTRA.HNN. ML:0.0 0.000607 0.52 AML other m 2020-12-27T12:08:27.52
IV.MTRA.EHN. ML:0.0 0.000571 0.52 AML other m 2020-12-27T12:08:27.52
IV.CESI.HHN. ML:0.0 0.00034550000000000005 1.46 AML other m 2020-12-27T12:08:27.04
IV.CSP1.EHN. ML:0.0 0.0007790000000000001 0.28 AML other m 2020-12-27T12:08:28.94
IV.CSP1.EHE. ML:0.0 0.0007714999999999999 0.32 AML other m 2020-12-27T12:08:29.16
IV.CESI.HHE. ML:0.0 0.00023549999999999998 0.52 AML other m 2020-12-27T12:08:29.67
IV.SMA1.EHN. ML:0.0 0.00026749999999999994 0.58 AML other m 2020-12-27T12:08:30.48
IV.SMA1.EHE. ML:0.0 0.000304 0.46 AML other m 2020-12-27T12:08:31.59
IV.SAP2.EHE. ML:0.0 0.000519 0.64 AML other m 2020-12-27T12:08:31.29
IV.SAP2.EHN. ML:0.0 0.0024699999999999995 1.42 AML other m 2020-12-27T12:08:31.01
IV.GUMA.HHN. ML:0.0 0.000621 0.28 AML other m 2020-12-27T12:08:31.94
IV.GUMA.HHE. ML:0.0 0.0008425 0.5 AML other m 2020-12-27T12:08:32.07
IV.TERO.HHE. ML:0.0 0.0001228 1.18 AML other m 2020-12-27T12:08:32.16
IV.MOMA.HHE. ML:0.0 0.000192 0.68 AML other m 2020-12-27T12:08:33.09
IV.MOMA.HHN. ML:0.0 0.000134 1.54 AML other m 2020-12-27T12:08:33.07
IV.TERO.HHN. ML:0.0 0.00009433322000000001 0.0768 AML other m 2020-12-27T12:08:32.14
IV.GAVE.HNN. ML:0.0 0.00020112225 0.2816 AML other m 2020-12-27T12:08:26.31
IV.GAVE.HNE. ML:0.0 0.0005956814000000001 0.2112 AML other m 2020-12-27T12:08:27.57
IV.CESI.HNE. ML:0.0 0.00014348969000000002 0.2176 AML other m 2020-12-27T12:08:28.87
IV.CESI.HNN. ML:0.0 0.00024789125 0.1408 AML other m 2020-12-27T12:08:28.04
IV.GUMA.HNE. ML:0.0 0.0006525554 0.4096 AML other m 2020-12-27T12:08:32.11
IV.MF5.EHE. ML:0.0 0.0003118888 0.2624 AML other m 2020-12-27T12:08:30.27
IV.MF5.EHN. ML:0.0 0.00022410049999999998 0.4032 AML other m 2020-12-27T12:08:31.06
IV.ARRO.EHN. ML:0.0 0.00012845748500000002 0.2368 AML other m 2020-12-27T12:08:31.91
IV.ARRO.EHE. ML:0.0 0.00010393948 0.1792 AML other m 2020-12-27T12:08:32.28
IV.TERO.HNN. ML:0.0 0.000142108835 0.0896 AML other m 2020-12-27T12:08:32.06
IV.ASSB.HHN. ML:0.0 0.00007124591499999999 0.1216 AML other m 2020-12-27T12:08:32.78
IV.ASSB.HHE. ML:0.0 0.000087459065 0.1408 AML other m 2020-12-27T12:08:33.22
IV.MOMA.HNE. ML:0.0 0.0001808035 0.1536 AML other m 2020-12-27T12:08:34.52
IV.MOMA.HNN. ML:0.0 0.0001469825 0.2496 AML other m 2020-12-27T12:08:34.06
IV.EL6.EHN. ML:0.0 0.00016463975 0.16 AML other m 2020-12-27T12:08:36.66
IV.EL6.EHE. ML:0.0 0.0001180042 0.16 AML other m 2020-12-27T12:08:36.91
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
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