Earthquake with magnitude of ML 1.2 on date 13-02-2020 and time 04:22:06 (UTC) in region 8 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 8 km E Norcia (PG), on

  • 13-02-2020 04:22:06 (UTC)
  • 13-02-2020 05:22:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.1860 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 8 4957 4957
Arquata del Tronto AP 9 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 12 281 7083
Montegallo AP 14 523 7606
Preci PG 16 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Visso MC 18 1107 13258
Ussita MC 18 444 13702
Acquasanta Terme AP 19 2916 16618
Cittareale RI 19 482 17100
Amatrice RI 20 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 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 1.2 2020-02-13
04:22:06
42.7897 13.1857 10 2020-07-18
21:08:24
Bollettino Sismico Italiano INGV 77120981
Reviewed
Rev100
ML 1.6 2020-02-13
04:22:07
42.7793 13.2008 5 2020-02-13
04:29:30
Sala Sismica INGV-Roma 76471051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-13 04:22:06 ± 0.05
Latitude 42.7897 ± 0.0027
Longitude 13.1857 ± 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 77120981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
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) 64
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 77120981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-08 04:39:17

ML:1.6

Field Value
Value 1.6
Uncertainty 0.6
Num. used stations 12
Type of magnitude ML
Reference to an origin 76471051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-13 04:29:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2020-02-13T04:22:42.55 3.0 undecidable manual S -0.15 0
IV.TERO.HHZ. 2020-02-13T04:22:20.00 0.6 undecidable manual S 118 38.8278 50 -0.01 48
IV.MML1.HNE. 2020-02-13T04:22:20.80 0.6 undecidable manual S 334 39.9267 50 0.5 43
IV.CAMP.HHE. 2020-02-13T04:22:18.20 0.6 undecidable manual S 147 33.5442 50 -0.4 44
IV.CSP1.EHZ. 2020-02-13T04:22:18.70 0.6 undecidable manual S 3 33.5442 50 0.1 47
IV.CESI.HHZ. 2020-02-13T04:22:18.50 0.6 undecidable manual S 316 33.0447 50 0.04 48
IV.MF5.EHZ. 2020-02-13T04:22:18.80 0.6 undecidable manual S 45 31.2465 50 0.8 38
IV.FDMO.HHZ. 2020-02-13T04:22:17.80 0.6 undecidable manual S 344 28.5492 108 0.55 43
IV.GAVE.EHZ. 2020-02-13T04:22:16.50 0.3 undecidable manual S 246 26.0517 110 0.04 72
IV.LNSS.HNZ. 2020-02-13T04:22:16.10 0.6 undecidable manual S 210 23.8539 112 0.36 45
IV.PF6.EHN. 2020-02-13T04:22:14.38 0.6 undecidable manual P 1 38.628 50 -0.03 47
IV.T1299.HNN. 2020-02-13T04:22:14.50 0.6 undecidable manual S 155 18.9699 116 0.32 46
IV.MML1.HNE. 2020-02-13T04:22:14.43 0.1 undecidable manual P 334 39.9267 50 -0.17 92
IV.TERO.HHZ. 2020-02-13T04:22:14.18 0.3 undecidable manual P 118 38.8278 50 -0.26 68
IV.CAMP.HHE. 2020-02-13T04:22:13.30 0.1 positive manual P 147 33.5442 50 -0.33 90
IV.MTRA.EHE. 2020-02-13T04:22:13.80 0.1 undecidable manual S 102 17.5713 118 0.05 98
IV.MF5.EHZ. 2020-02-13T04:22:13.55 0.1 undecidable manual P 45 31.2465 50 0.27 91
IV.MMO1.EHZ. 2020-02-13T04:22:13.10 0.3 undecidable manual S 43 16.7721 119 -0.39 68
IV.CSP1.EHZ. 2020-02-13T04:22:13.38 0.1 undecidable manual P 3 33.5442 50 -0.25 91
IV.CESI.HHZ. 2020-02-13T04:22:13.44 0.1 undecidable manual P 316 33.0447 50 -0.11 94
IV.FDMO.HHZ. 2020-02-13T04:22:12.64 0.3 undecidable manual P 344 28.5492 108 -0.21 70
IT.MTCL.HGZ. 2020-02-13T04:22:12.47 0.1 undecidable manual P 326 27.2505 109 -0.13 95
IV.MC2.EHZ. 2020-02-13T04:22:12.70 0.3 undecidable manual S 1 13.4754 125 0.16 72
IV.LNSS.HNZ. 2020-02-13T04:22:12.06 0.1 undecidable manual P 210 23.8539 112 0.09 96
IV.GAVE.EHZ. 2020-02-13T04:22:12.53 1.0 positive manual P 246 26.0517 110 0.14 24
IV.SMA1.EHZ. 2020-02-13T04:22:11.43 0.1 negative manual P 145 21.4674 114 -0.1 96
IV.MTRA.EHE. 2020-02-13T04:22:11.08 0.3 undecidable manual P 102 17.5713 118 0.26 70
IV.T1299.HNN. 2020-02-13T04:22:11.30 0.1 negative manual P 155 18.9699 116 0.23 94
IV.NRCA.HNZ. 2020-02-13T04:22:10.60 0.3 undecidable manual S 310 7.5813 141 -0.43 69
IV.MC2.EHZ. 2020-02-13T04:22:10.32 0.1 positive manual P 1 13.4754 125 0.19 96
IV.MMO1.EHZ. 2020-02-13T04:22:10.49 0.1 positive manual P 43 16.7721 119 -0.19 95
IV.NRCA.HNZ. 2020-02-13T04:22:09.23 0.1 positive manual P 310 7.5813 141 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.0016277655000000002 0.1216 AML other m 2020-02-13T04:22:10.93
IV.NRCA.HNN. ML:0.0 0.0013866495 0.0992 AML other m 2020-02-13T04:22:10.92
IV.NRCA.HNE. ML:0.0 0.0020369085 0.1184 AML other m 2020-02-13T04:22:10.86
IV.NRCA.HHE. ML:0.0 0.002000718 0.1408 AML other m 2020-02-13T04:22:10.86
IV.SMA1.EHN. ML:0.0 0.00007109182 0.7008 AML other m 2020-02-13T04:22:21.72
IV.SMA1.EHE. ML:0.0 0.000059189175 0.6176 AML other m 2020-02-13T04:22:17.70
IV.TERO.HHN. ML:0.0 0.00003824589 0.08 AML other m 2020-02-13T04:22:20.18
IV.TERO.HHE. ML:0.0 0.000022717359999999998 0.1184 AML other m 2020-02-13T04:22:20.03
IV.FDMO.HHE. ML:0.8 0.000034326465 0.2176 AML other m 2020-02-13T04:22:19.00
IV.FDMO.HHN. ML:0.8 0.00003128768 0.1984 AML other m 2020-02-13T04:22:19.12
IV.CSP1.EHN. ML:1.1 0.00004973316 0.3808 AML other m 2020-02-13T04:22:19.45
IV.CSP1.EHE. ML:1.1 0.000048504005 2.08 AML other m 2020-02-13T04:22:22.12
IV.CESI.HHE. ML:0.8 0.00002746565 0.24 AML other m 2020-02-13T04:22:19.20
IV.CESI.HHN. ML:1.1 0.000049941495 0.16 AML other m 2020-02-13T04:22:20.28
IV.CESI.HNE. ML:1.6 0.00018664510000000002 3.152 AML other m 2020-02-13T04:22:29.17
IV.CESI.HNN. ML:1.6 0.00018662595 1.12 AML other m 2020-02-13T04:22:18.16
IV.MF5.EHN. ML:1.3 0.00008458415499999999 5.4016 AML other m 2020-02-13T04:22:23.22
IV.MF5.EHE. ML:1.0 0.00005183247 11.4784 AML other m 2020-02-13T04:22:30.43
IV.TERO.HNN. ML:1.7 0.00019576195000000002 0.9696 AML other m 2020-02-13T04:22:33.57
IV.TERO.HNE. ML:1.6 0.00015140710000000003 1.552 AML other m 2020-02-13T04:22:28.75
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