Earthquake with magnitude of ML 2.0 on date 30-12-2020 and time 09:51:24 (Italy) in region 3 km SW Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 3 km SW Norcia (PG), on

  • 30-12-2020 08:51:24 (UTC)
  • 30-12-2020 09:51:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7810, 13.0650 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
Cascia PG 8 3217 8174
Preci PG 11 724 8898
Cerreto di Spoleto PG 13 1075 9973
Poggiodomo PG 13 117 10090
Castelsantangelo sul Nera MC 15 281 10371
Vallo di Nera PG 17 364 10735
Sellano PG 17 1079 11814
Visso MC 17 1107 12921
Monteleone di Spoleto PG 17 599 13520
Accumoli RI 18 667 14187
Arquata del Tronto AP 19 1178 15365
Ussita MC 19 444 15809
Sant'Anatolia di Narco PG 19 564 16373
Cittareale RI 20 482 16855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
100 Km SW of Ancona (100861 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 2.0 2020-12-30
08:51:24
42.7807 13.0652 10 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86202011
Reviewed
Rev100
ML 2.0 2020-12-30
08:51:24
42.783 13.062 11 2020-12-30
08:59:03
Sala Sismica INGV-Roma 85876001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-30 08:51:24 ± 0.05
Latitude 42.7807 ± 0.0027
Longitude 13.0652 ± 0.0049
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 86202011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
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 42
Number of defining phases 42
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 85876001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-30 08:59:03

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 86202011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-27 16:15:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-12-30T08:51:44.14 0.6 undecidable manual S 3 60.8946 50 0.65 39
IV.FIAM.HHZ. 2020-12-30T08:51:42.43 0.6 undecidable manual S 176 56.9985 50 -0.02 47
IV.TERO.HHZ. 2020-12-30T08:51:39.80 0.6 undecidable manual S 112 47.3193 50 -0.05 47
IV.CESX.HHE. 2020-12-30T08:51:39.17 0.6 undecidable manual S 244 43.4232 50 0.35 45
IV.MOMA.HHZ. 2020-12-30T08:51:38.37 1.0 undecidable manual S 274 40.3263 50 0.36 22
IT.GNU.HGE. 2020-12-30T08:51:38.47 0.6 undecidable manual S 274 40.3263 50 0.47 44
IV.CAMP.HHZ. 2020-12-30T08:51:37.40 1.0 undecidable manual S 134 39.0276 50 -0.25 23
IV.CSP1.EHZ. 2020-12-30T08:51:36.83 0.6 undecidable manual S 18 36.3414 50 -0.1 48
IV.OFFI.HHZ. 2020-12-30T08:51:35.12 0.1 undecidable manual P 71 53.3022 50 0.78 76
IV.ARRO.EHZ. 2020-12-30T08:51:35.83 0.6 undecidable manual S 228 33.1446 50 -0.24 47
IV.EL6.EHZ. 2020-12-30T08:51:35.37 0.3 undecidable manual P 3 60.8946 50 -0.14 68
IV.MNTT.EHZ. 2020-12-30T08:51:35.20 0.3 undecidable manual P 54 53.2023 50 0.88 55
IV.SMA1.EHZ. 2020-12-30T08:51:34.65 1.0 undecidable manual S 127 27.6501 50 0.05 24
IV.MTRA.EHZ. 2020-12-30T08:51:34.04 1.0 undecidable manual S 96 27.1506 50 -0.43 23
IV.FDMO.HHZ. 2020-12-30T08:51:34.50 0.3 undecidable manual S 4 28.4493 50 -0.32 69
IV.CESI.HHZ. 2020-12-30T08:51:34.59 0.3 undecidable manual S 332 28.0497 50 -0.13 72
IV.FIAM.HHZ. 2020-12-30T08:51:34.68 0.3 undecidable manual P 176 56.9985 50 -0.23 67
IV.T1299.EHZ. 2020-12-30T08:51:33.93 0.6 undecidable manual S 132 24.0537 50 0.29 47
IV.TERO.HHZ. 2020-12-30T08:51:33.17 0.1 undecidable manual P 112 47.3193 50 -0.24 91
IT.MTCL.HGZ. 2020-12-30T08:51:33.16 0.6 undecidable manual S 347 24.2535 50 -0.54 44
IV.CAMP.HHZ. 2020-12-30T08:51:32.10 0.3 undecidable manual P 134 39.0276 50 -0.04 72
IV.MOMA.HHZ. 2020-12-30T08:51:32.47 0.3 undecidable manual P 274 40.3263 50 0.12 71
IV.LNSS.HHZ. 2020-12-30T08:51:32.12 0.6 undecidable manual S 186 19.869 118 -0.26 47
IV.CESX.HHE. 2020-12-30T08:51:32.64 0.6 undecidable manual P 244 43.4232 50 -0.18 46
IV.FEMA.HNZ. 2020-12-30T08:51:32.31 0.6 undecidable manual S 356 20.1687 117 -0.17 48
IT.GNU.HGE. 2020-12-30T08:51:32.69 0.3 undecidable manual P 274 40.3263 50 0.34 67
IV.GAVE.EHZ. 2020-12-30T08:51:31.56 0.6 undecidable manual S 235 17.0718 121 0.03 50
IV.MC2.EHZ. 2020-12-30T08:51:31.83 0.6 undecidable manual S 35 17.6712 120 0.11 49
IV.ARRO.EHZ. 2020-12-30T08:51:31.10 0.1 undecidable manual P 228 33.1446 50 -0.13 95
IV.CSP1.EHZ. 2020-12-30T08:51:31.55 0.1 undecidable manual P 18 36.3414 50 -0.17 94
IV.CESI.HHZ. 2020-12-30T08:51:30.36 0.1 undecidable manual P 332 28.0497 50 -0.09 97
IV.SMA1.EHZ. 2020-12-30T08:51:30.40 0.3 undecidable manual P 127 27.6501 50 0.02 74
IV.MTRA.EHZ. 2020-12-30T08:51:30.20 0.1 undecidable manual P 96 27.1506 50 -0.1 97
IV.FDMO.HHZ. 2020-12-30T08:51:30.33 0.1 undecidable manual P 4 28.4493 50 -0.17 95
IT.MTCL.HGZ. 2020-12-30T08:51:29.66 0.3 undecidable manual P 347 24.2535 50 -0.2 72
IV.FEMA.HNZ. 2020-12-30T08:51:29.17 0.3 undecidable manual P 356 20.1687 117 0.02 75
IV.T1299.EHZ. 2020-12-30T08:51:29.82 0.6 undecidable manual P 132 24.0537 50 -0.01 50
IV.LNSS.HHZ. 2020-12-30T08:51:29.00 0.1 undecidable manual P 186 19.869 118 -0.1 98
IV.GAVE.EHZ. 2020-12-30T08:51:28.72 0.3 undecidable manual P 235 17.0718 121 0.11 74
IV.MC2.EHZ. 2020-12-30T08:51:28.82 0.1 undecidable manual P 35 17.6712 120 0.11 98
IV.NRCA.HNZ. 2020-12-30T08:51:28.89 0.3 undecidable manual S 34 7.0929 146 -0.08 75
IV.NRCA.HNZ. 2020-12-30T08:51:27.24 0.1 undecidable manual P 34 7.0929 146 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.4 0.003615 0.16 AML other m 2020-12-30T08:51:28.98
IV.NRCA.HHE. ML:2.4 0.003585 0.16 AML other m 2020-12-30T08:51:28.99
IV.NRCA.HHN. ML:2.4 0.00339 1.86 AML other m 2020-12-30T08:51:28.97
IV.NRCA.HNN. ML:2.3 0.00299 1.86 AML other m 2020-12-30T08:51:28.97
IV.GAVE.EHE. ML:2.0 0.0008734999999999999 1.3 AML other m 2020-12-30T08:51:31.79
IV.GAVE.EHN. ML:2.0 0.0007849999999999999 0.24 AML other m 2020-12-30T08:51:32.45
IV.LNSS.HNE. ML:2.1 0.001002 0.12 AML other m 2020-12-30T08:51:32.57
IV.LNSS.HHE. ML:2.2 0.001065 0.12 AML other m 2020-12-30T08:51:32.57
IV.LNSS.HNN. ML:2.1 0.000873 0.32 AML other m 2020-12-30T08:51:32.67
IV.LNSS.HHN. ML:2.1 0.0009184999999999999 0.1 AML other m 2020-12-30T08:51:32.67
IV.FDMO.HHN. ML:1.7 0.00026700000000000004 0.22 AML other m 2020-12-30T08:51:34.66
IV.CESI.HHE. ML:1.5 0.000161 0.72 AML other m 2020-12-30T08:51:34.50
IV.CESI.HHN. ML:1.8 0.0003095 0.2 AML other m 2020-12-30T08:51:35.10
IV.FDMO.HHE. ML:1.8 0.00029749999999999997 0.22 AML other m 2020-12-30T08:51:35.06
IV.MTRA.EHN. ML:2.1 0.0006855 0.2 AML other m 2020-12-30T08:51:35.08
IV.MTRA.HNN. ML:2.1 0.0006665000000000001 0.22 AML other m 2020-12-30T08:51:35.18
IV.MTRA.HNE. ML:2.1 0.000669 0.2 AML other m 2020-12-30T08:51:35.28
IV.MTRA.EHE. ML:2.1 0.0006919999999999999 0.2 AML other m 2020-12-30T08:51:35.19
IV.CSP1.EHE. ML:2.1 0.000524 0.42 AML other m 2020-12-30T08:51:37.45
IV.ARRO.EHN. ML:1.6 0.000177 0.2 AML other m 2020-12-30T08:51:37.46
IV.SMA1.EHE. ML:1.8 0.000323 0.9 AML other m 2020-12-30T08:51:37.05
IV.SMA1.EHN. ML:1.8 0.00032 0.28 AML other m 2020-12-30T08:51:37.65
IV.ARRO.EHE. ML:1.5 0.00013800000000000002 0.26 AML other m 2020-12-30T08:51:39.87
IV.MOMA.HHE. ML:1.9 0.000246 0.16 AML other m 2020-12-30T08:51:39.79
IV.CSP1.EHN. ML:2.1 0.00047050000000000005 1.68 AML other m 2020-12-30T08:51:39.91
IV.MOMA.HHN. ML:2.0 0.0003125 0.2 AML other m 2020-12-30T08:51:39.99
IV.TERO.HHE. ML:1.6 0.00011949999999999999 0.58 AML other m 2020-12-30T08:51:40.41
IV.TERO.HHN. ML:1.9 0.00023300000000000003 0.86 AML other m 2020-12-30T08:51:40.96
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
Waveforms Seismic signals in miniseed + resp format Download