Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-02-2020 and time 02:04:54 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 2.2 earthquake occured in region: 7 km E Norcia (PG), on

  • 06-02-2020 01:04:54 (UTC)
  • 06-02-2020 02:04:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 13.1730 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
Norcia PG 7 4957 4957
Arquata del Tronto AP 11 1178 6135
Castelsantangelo sul Nera MC 11 281 6416
Accumoli RI 13 667 7083
Preci PG 14 724 7807
Montegallo AP 14 523 8330
Cascia PG 16 3217 11547
Visso MC 16 1107 12654
Ussita MC 16 444 13098
Montemonaco AP 17 604 13702
Acquasanta Terme AP 20 2916 16618

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km NE of Tivoli (56533 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 2.2 2020-02-06
01:04:54		 42.7998 13.173 10 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77620301
Reviewed
Rev100 		ML 2.1 2020-02-06
01:04:54		 42.8053 13.1768 11 2020-02-06
01:11:17		 Sala Sismica INGV-Roma 76263861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-06 01:04:54 ± 0.05
Latitude 42.7998 ± 0.0027
Longitude 13.1730 ± 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 77620301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.72305
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:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 76263861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-06 01:11:17

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 77620301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-01 23:56:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2020-02-06T01:05:19.41 0.6 undecidable manual S 336 77.367 50 1.14 31
IV.ARVD.HHZ. 2020-02-06T01:05:19.98 0.6 undecidable manual S 346 79.6647 50 1.09 31
IV.EL6.EHZ. 2020-02-06T01:05:13.90 0.6 undecidable manual S 354 58.9965 50 0.53 41
IV.SNTG.HHZ. 2020-02-06T01:05:12.18 0.6 undecidable manual S 340 53.9016 50 0.18 45
IV.CESX.HHZ. 2020-02-06T01:05:11.71 0.3 undecidable manual S 246 52.3032 50 0.13 69
IV.GIGS.HHZ. 2020-02-06T01:05:10.77 0.6 undecidable manual S 140 50.4162 50 -0.31 44
IV.T0110.HHZ. 2020-02-06T01:05:09.14 0.3 undecidable manual P 142 80.2641 50 0.28 63
IV.ARRO.EHZ. 2020-02-06T01:05:09.11 0.6 undecidable manual S 234 41.2254 50 0.48 43
IV.TERO.HHZ. 2020-02-06T01:05:08.33 0.6 undecidable manual S 119 40.2264 50 -0.03 48
IV.SAP2.EHZ. 2020-02-06T01:05:08.57 0.6 undecidable manual S 29 37.7289 50 0.89 37
IV.SSFR.HHZ. 2020-02-06T01:05:08.41 0.1 undecidable manual P 336 77.367 50 0 90
IV.ARVD.HHZ. 2020-02-06T01:05:08.76 0.1 undecidable manual P 346 79.6647 50 -0.01 89
IV.MML1.HNE. 2020-02-06T01:05:07.71 0.6 undecidable manual S 335 38.4282 50 -0.17 47
IV.MF5.EHZ. 2020-02-06T01:05:06.45 0.6 undecidable manual S 48 31.2465 50 0.49 44
IV.CSP1.EHZ. 2020-02-06T01:05:06.05 0.6 undecidable manual S 5 32.4453 50 -0.24 46
IV.GUMA.HHZ. 2020-02-06T01:05:06.42 0.6 undecidable manual S 24 31.9458 50 0.26 46
IV.CAMP.HHZ. 2020-02-06T01:05:06.73 0.6 undecidable manual S 147 35.0427 50 -0.24 46
IV.CESI.HHZ. 2020-02-06T01:05:05.78 0.6 undecidable manual S 316 31.5462 50 -0.25 46
IV.EL6.EHZ. 2020-02-06T01:05:05.46 0.3 undecidable manual P 354 58.9965 50 -0.13 68
IV.SNTG.HHZ. 2020-02-06T01:05:04.57 0.1 undecidable manual P 340 53.9016 50 -0.23 90
IT.MTCL.HGZ. 2020-02-06T01:05:04.05 0.6 undecidable manual S 327 25.752 50 -0.44 45
IV.GAVE.EHZ. 2020-02-06T01:05:04.39 0.6 undecidable manual S 242 25.6521 50 -0.08 49
IV.FDMO.HHZ. 2020-02-06T01:05:04.41 0.6 undecidable manual S 345 27.1506 50 -0.46 45
IV.CESX.HHZ. 2020-02-06T01:05:04.53 0.1 undecidable manual P 246 52.3032 50 -0.02 94
IV.LNSS.HHZ. 2020-02-06T01:05:04.37 0.6 undecidable manual S 206 24.3534 113 0.25 47
IV.GIGS.HHZ. 2020-02-06T01:05:03.83 0.1 undecidable manual P 140 50.4162 50 -0.43 86
IV.T1299.HNN. 2020-02-06T01:05:03.25 0.6 undecidable manual S 154 20.4684 116 0.39 46
IV.MML1.HNE. 2020-02-06T01:05:02.19 0.1 undecidable manual P 335 38.4282 50 -0.22 92
IV.TERO.HHZ. 2020-02-06T01:05:02.40 0.1 undecidable manual P 119 40.2264 50 -0.29 91
IV.SAP2.EHZ. 2020-02-06T01:05:02.69 0.3 undecidable manual P 29 37.7289 50 0.39 67
IV.MTRA.HNZ. 2020-02-06T01:05:02.20 0.6 undecidable manual S 105 18.87 118 -0.17 48
IV.ARRO.EHZ. 2020-02-06T01:05:02.92 0.3 undecidable manual P 234 41.2254 50 0.07 71
IV.CESI.HHZ. 2020-02-06T01:05:01.22 0.1 undecidable manual P 316 31.5462 50 -0.13 95
IV.MF5.EHZ. 2020-02-06T01:05:01.53 0.1 undecidable manual P 48 31.2465 50 0.22 93
IV.MMO1.EHZ. 2020-02-06T01:05:01.37 0.6 undecidable manual S 49 16.6722 121 -0.35 47
IV.CSP1.EHZ. 2020-02-06T01:05:01.25 0.1 positive manual P 5 32.4453 50 -0.25 93
IV.CAMP.HHZ. 2020-02-06T01:05:01.67 0.1 undecidable manual P 147 35.0427 50 -0.22 93
IV.GUMA.HHZ. 2020-02-06T01:05:01.55 0.1 undecidable manual P 24 31.9458 50 0.13 95
IT.MTCL.HGZ. 2020-02-06T01:05:00.14 0.1 undecidable manual P 327 25.752 50 -0.32 92
IV.LNSS.HHZ. 2020-02-06T01:05:00.41 0.1 negative manual P 206 24.3534 113 0.17 96
IV.GAVE.EHZ. 2020-02-06T01:05:00.48 0.1 undecidable manual P 242 25.6521 50 0.03 98
IV.MC2.EHZ. 2020-02-06T01:05:00.62 0.6 undecidable manual S 6 12.4764 129 0.1 49
IV.FDMO.HHZ. 2020-02-06T01:05:00.36 0.1 positive manual P 345 27.1506 50 -0.32 92
IV.T1299.HNN. 2020-02-06T01:04:59.85 0.1 undecidable manual P 154 20.4684 116 0.33 93
IV.MTRA.HNZ. 2020-02-06T01:04:59.23 0.1 undecidable manual P 105 18.87 118 0 100
IV.NRCA.HNZ. 2020-02-06T01:04:58.70 0.6 undecidable manual S 308 6.0939 149 -0.35 47
IV.MMO1.EHZ. 2020-02-06T01:04:58.76 0.1 undecidable manual P 49 16.6722 121 -0.1 98
IV.MC2.EHZ. 2020-02-06T01:04:58.28 0.1 undecidable manual P 6 12.4764 129 0.11 99
IV.NRCA.HNZ. 2020-02-06T01:04:57.42 0.1 positive manual P 308 6.0939 149 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:3.2 0.022850000000000002 0.08 AML other m 2020-02-06T01:04:58.86
IV.NRCA.HNE. ML:3.1 0.0218 0.08 AML other m 2020-02-06T01:04:58.86
IV.NRCA.HHN. ML:3.0 0.01705 0.08 AML other m 2020-02-06T01:04:58.82
IV.NRCA.HNN. ML:3.0 0.0148 0.56 AML other m 2020-02-06T01:04:59.82
IV.MTRA.HNE. ML:2.3 0.00173 0.72 AML other m 2020-02-06T01:05:02.05
IV.MTRA.EHE. ML:2.4 0.001795 0.74 AML other m 2020-02-06T01:05:02.05
IV.MTRA.HNN. ML:2.0 0.0008724999999999999 0.8 AML other m 2020-02-06T01:05:03.71
IV.MTRA.EHN. ML:2.1 0.0009025000000000001 0.82 AML other m 2020-02-06T01:05:03.72
IV.LNSS.HHE. ML:2.0 0.0006695 0.28 AML other m 2020-02-06T01:05:04.58
IV.LNSS.HNE. ML:2.0 0.000621 0.28 AML other m 2020-02-06T01:05:04.72
IV.LNSS.HNN. ML:2.2 0.0008895 0.52 AML other m 2020-02-06T01:05:04.51
IV.LNSS.HHN. ML:2.2 0.000911 0.52 AML other m 2020-02-06T01:05:04.77
IV.GAVE.EHN. ML:1.9 0.0004535 0.6 AML other m 2020-02-06T01:05:05.49
IV.FDMO.HHN. ML:1.8 0.00029949999999999996 0.18 AML other m 2020-02-06T01:05:05.80
IV.GAVE.EHE. ML:1.8 0.000399 0.16 AML other m 2020-02-06T01:05:05.90
IV.CESI.HHE. ML:2.3 0.0009885 1.78 AML other m 2020-02-06T01:05:06.03
IV.CESI.HNE. ML:2.3 0.0009505000000000002 1.8 AML other m 2020-02-06T01:05:06.03
IV.CESI.HHN. ML:2.4 0.0012799999999999999 0.26 AML other m 2020-02-06T01:05:06.05
IV.CESI.HNN. ML:2.4 0.0011899999999999999 0.24 AML other m 2020-02-06T01:05:06.06
IV.FDMO.HHE. ML:1.8 0.00032 0.56 AML other m 2020-02-06T01:05:06.24
IV.GUMA.HHN. ML:2.2 0.0007164999999999999 0.56 AML other m 2020-02-06T01:05:07.18
IV.CSP1.EHE. ML:2.0 0.0004325 0.74 AML other m 2020-02-06T01:05:07.79
IV.CSP1.EHN. ML:2.1 0.0005380000000000001 0.34 AML other m 2020-02-06T01:05:07.54
IV.TERO.HHE. ML:1.9 0.0002445 0.12 AML other m 2020-02-06T01:05:08.82
IV.GUMA.HHE. ML:2.1 0.0006464999999999999 0.74 AML other m 2020-02-06T01:05:09.40
IV.TERO.HHN. ML:2.0 0.000332 0.42 AML other m 2020-02-06T01:05:09.68
IV.SAP2.EHN. ML:2.6 0.00158 1.02 AML other m 2020-02-06T01:05:09.33
IV.SAP2.EHE. ML:2.0 0.000391 0.44 AML other m 2020-02-06T01:05:14.61
IV.SSFR.HHE. ML:2.2 0.0002205 0.24 AML other m 2020-02-06T01:05:20.08
IV.SSFR.HHN. ML:2.0 0.0001625 0.76 AML other m 2020-02-06T01:05:20.48
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