Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 06-03-2018 and time 04:51:55 (Italy) in region 6 km NW Norcia (PG)

A magnitude ML 2.3 earthquake occured in region: 6 km NW Norcia (PG), on

  • 06-03-2018 03:51:55 (UTC)
  • 06-03-2018 04:51:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8220, 13.0360 at 9 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 6 4957 4957
Preci PG 7 724 5681
Cerreto di Spoleto PG 10 1075 6756
Cascia PG 12 3217 9973
Sellano PG 12 1079 11052
Castelsantangelo sul Nera MC 13 281 11333
Visso MC 13 1107 12440
Poggiodomo PG 15 117 12557
Vallo di Nera PG 15 364 12921
Ussita MC 16 444 13365
Sant'Anatolia di Narco PG 19 564 13929
Monte Cavallo MC 19 145 14074
Monteleone di Spoleto PG 20 599 14673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
97 Km N 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 2.3 2018-03-06
03:51:55		 42.8215 13.0363 9 2019-04-24
14:49:48		 Bollettino Sismico Italiano INGV 65966021
Reviewed
Rev100 		ML 2.4 2018-03-06
03:51:55		 42.8282 13.0347 10 2018-03-06
03:57:44		 Sala Sismica INGV-Roma 54354971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-06 03:51:55 ± 0.06
Latitude 42.8215 ± 0.0027
Longitude 13.0363 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65966021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
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) 41
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 1.07559
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 65966021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-25 22:52:22

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 82
Type of magnitude ML
Reference to an origin 54354971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-06 03:57:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2018-03-06T03:52:19.21 0.6 undecidable manual S 354 75.4689 50 0.82 36
IV.MURB.HHZ. 2018-03-06T03:52:16.30 0.6 undecidable manual S 320 64.1913 50 0.92 35
IV.TOLF.HHZ. 2018-03-06T03:52:15.71 0.6 undecidable manual P 226 119.3916 50 0.29 39
IV.CING.HHZ. 2018-03-06T03:52:15.36 0.6 undecidable manual S 12 62.7927 50 0.35 43
IV.FIAM.HHZ. 2018-03-06T03:52:15.17 0.6 undecidable manual S 174 61.7937 50 0.44 43
IV.INTR.HHZ. 2018-03-06T03:52:14.38 0.6 undecidable manual P 141 114.5964 50 -0.3 40
IV.EL6.EHZ. 2018-03-06T03:52:13.78 0.6 undecidable manual S 5 56.5989 50 0.43 43
IV.LATE.HHZ. 2018-03-06T03:52:12.78 0.3 undecidable manual P 257 103.0191 50 -0.12 63
IV.NARO.HHZ. 2018-03-06T03:52:12.06 0.3 undecidable manual P 337 95.0382 50 0.4 61
IV.CERT.HHZ. 2018-03-06T03:52:11.86 0.3 undecidable manual P 183 96.9252 50 -0.09 64
IV.TERO.HHZ. 2018-03-06T03:52:11.49 0.6 undecidable manual S 115 51.2154 50 -0.43 44
IV.ATMI.HHZ. 2018-03-06T03:52:11.22 0.6 undecidable manual P 313 84.3489 50 1.2 30
IV.SACS.HHZ. 2018-03-06T03:52:11.55 0.3 undecidable manual P 272 91.7415 50 0.4 61
IV.SNTG.HHZ. 2018-03-06T03:52:11.25 0.6 undecidable manual S 351 48.7179 50 0 48
IV.PIEI.HHZ. 2018-03-06T03:52:10.97 0.3 undecidable manual P 333 89.0442 50 0.23 64
IV.ATVO.HHZ. 2018-03-06T03:52:09.26 0.3 undecidable manual P 321 80.4639 50 -0.16 66
IV.FRON.EHZ. 2018-03-06T03:52:09.61 0.3 undecidable manual P 342 81.252 50 0.07 67
IV.MF5.EHZ. 2018-03-06T03:52:09.50 0.6 undecidable manual S 62 39.0276 50 0.83 38
IV.FAGN.HHZ. 2018-03-06T03:52:09.27 0.3 undecidable manual P 144 76.1682 50 0.51 61
IV.CESX.HHZ. 2018-03-06T03:52:09.78 0.6 undecidable manual S 237 43.623 50 -0.11 47
IV.PP3.EHZ. 2018-03-06T03:52:09.83 0.3 undecidable manual P 37 77.2671 50 0.91 52
IV.MOMA.HHZ. 2018-03-06T03:52:08.49 0.6 undecidable manual S 267 38.0286 50 0.1 48
IV.ARVD.HHZ. 2018-03-06T03:52:08.40 0.3 undecidable manual P 354 75.4689 50 -0.25 65
IV.RM33.HNZ. 2018-03-06T03:52:08.47 0.6 undecidable manual S 157 37.629 50 0.19 47
IV.GUMA.HHZ. 2018-03-06T03:52:08.03 0.6 undecidable manual S 42 36.1416 50 0.14 48
IV.PF6.EHZ. 2018-03-06T03:52:07.61 0.6 undecidable manual S 20 37.3293 50 -0.61 42
IV.ARRO.EHZ. 2018-03-06T03:52:07.39 0.6 undecidable manual S 219 34.743 50 -0.14 48
IV.SSFR.HHZ. 2018-03-06T03:52:07.94 0.3 undecidable manual P 343 71.2731 50 -0.06 68
IV.FIAM.HHZ. 2018-03-06T03:52:06.54 0.1 undecidable manual P 174 61.7937 50 0 94
IV.OFFI.HHZ. 2018-03-06T03:52:06.09 0.1 undecidable manual P 76 54.3012 50 0.71 79
IV.T1299.EHZ. 2018-03-06T03:52:06.06 0.6 undecidable manual S 136 28.8489 107 0.22 47
IV.MURB.HHZ. 2018-03-06T03:52:06.87 0.1 undecidable manual P 320 64.1913 50 -0.04 92
IV.CSP1.EHZ. 2018-03-06T03:52:06.58 0.6 undecidable manual S 24 32.9448 50 -0.47 45
IV.SMA1.EHZ. 2018-03-06T03:52:06.68 0.6 undecidable manual S 131 32.2455 50 -0.18 48
IV.CING.HHZ. 2018-03-06T03:52:06.39 0.1 undecidable manual P 12 62.7927 50 -0.31 88
IV.EL6.EHZ. 2018-03-06T03:52:05.40 0.1 undecidable manual P 5 56.5989 50 -0.34 88
IV.FOSV.EHZ. 2018-03-06T03:52:05.70 0.1 undecidable manual P 337 57.0984 50 -0.11 92
IV.MMO1.EHN. 2018-03-06T03:52:04.24 0.3 undecidable manual S 70 25.1526 110 -0.38 69
IV.LNSS.HHZ. 2018-03-06T03:52:04.38 0.6 undecidable manual S 179 24.2535 111 0.05 50
IV.SNTG.HHZ. 2018-03-06T03:52:04.14 0.1 undecidable manual P 351 48.7179 50 -0.39 88
IV.TERO.HHZ. 2018-03-06T03:52:04.48 0.1 undecidable manual P 115 51.2154 50 -0.44 87
IV.ATCC.EHZ. 2018-03-06T03:52:04.79 0.1 undecidable manual P 322 51.6039 50 -0.18 92
IV.CESX.HHZ. 2018-03-06T03:52:03.54 0.1 undecidable manual P 237 43.623 50 -0.2 93
IV.MF5.EHZ. 2018-03-06T03:52:03.15 0.1 positive manual P 62 39.0276 50 0.11 95
IV.CESI.HHZ. 2018-03-06T03:52:03.50 0.6 undecidable manual S 332 22.9548 112 -0.42 46
IV.RM33.HNZ. 2018-03-06T03:52:02.57 0.1 undecidable manual P 157 37.629 50 -0.24 93
IV.GUMA.HHZ. 2018-03-06T03:52:02.57 0.1 positive manual P 42 36.1416 50 -0.02 98
IV.PF6.EHZ. 2018-03-06T03:52:02.31 0.1 undecidable manual P 20 37.3293 50 -0.47 89
IV.MOMA.HHZ. 2018-03-06T03:52:02.76 0.1 positive manual P 267 38.0286 50 -0.12 95
IV.ARRO.EHZ. 2018-03-06T03:52:02.31 0.1 positive manual P 219 34.743 50 -0.07 97
IV.CSP1.EHZ. 2018-03-06T03:52:01.74 0.1 undecidable manual P 24 32.9448 50 -0.36 92
IV.SMA1.EHZ. 2018-03-06T03:52:01.81 0.1 undecidable manual P 131 32.2455 50 -0.19 95
IV.MC2.EHZ. 2018-03-06T03:52:01.93 0.3 undecidable manual S 51 15.873 120 0.23 73
IV.T1299.EHZ. 2018-03-06T03:52:01.44 0.1 undecidable manual P 136 28.8489 107 0.04 99
IV.FEMA.HNE. 2018-03-06T03:52:01.54 0.6 undecidable manual S 4 15.6732 120 -0.08 50
IV.CESI.HHZ. 2018-03-06T03:52:00.28 0.1 negative manual P 332 22.9548 112 -0.02 100
IV.MMO1.EHN. 2018-03-06T03:52:00.54 0.1 undecidable manual P 70 25.1526 110 -0.16 97
IV.LNSS.HHZ. 2018-03-06T03:52:00.63 0.1 positive manual P 179 24.2535 111 0.1 98
IV.MC2.EHZ. 2018-03-06T03:51:59.25 0.1 undecidable manual P 51 15.873 120 0.23 97
IV.FEMA.HNE. 2018-03-06T03:51:59.07 0.1 undecidable manual P 4 15.6732 120 0.1 100
IV.NRCA.HNZ. 2018-03-06T03:51:59.14 0.6 undecidable manual S 78 6.4935 144 -0.07 51
IV.NRCA.HNZ. 2018-03-06T03:51:57.82 0.1 negative manual P 78 6.4935 144 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHE. ML:2.2 0.00016249999999999997 1.16 AML other m 2018-03-06T03:52:30.35
IV.NRCA.HHN. ML:3.1 0.020649999999999998 0.14 AML other m 2018-03-06T03:51:59.37
IV.NRCA.HHE. ML:3.2 0.027149999999999997 0.22 AML other m 2018-03-06T03:51:59.41
IV.NRCA.HNE. ML:3.2 0.0261 0.24 AML other m 2018-03-06T03:51:59.42
IV.T1214.HNE. ML:2.8 0.0062900000000000005 0.14 AML other m 2018-03-06T03:52:02.10
IV.T1214.EHE. ML:2.8 0.006045 0.14 AML other m 2018-03-06T03:52:02.10
IV.T1214.HNN. ML:2.8 0.0056549999999999994 0.6 AML other m 2018-03-06T03:52:02.98
IV.T1214.EHN. ML:2.8 0.0058 0.6 AML other m 2018-03-06T03:52:02.98
IV.CESI.HHN. ML:2.6 0.0027199999999999998 0.36 AML other m 2018-03-06T03:52:04.32
IV.CESI.HHE. ML:2.3 0.001365 0.58 AML other m 2018-03-06T03:52:04.04
IV.LNSS.HHN. ML:2.6 0.0025250000000000003 0.32 AML other m 2018-03-06T03:52:04.82
IV.LNSS.HHE. ML:2.6 0.0027199999999999998 0.16 AML other m 2018-03-06T03:52:04.94
IV.CSP1.EHE. ML:2.4 0.001038 1.42 AML other m 2018-03-06T03:52:07.04
IV.T1299.EHN. ML:2.2 0.0008685 0.3 AML other m 2018-03-06T03:52:07.37
IV.SMA1.EHN. ML:2.4 0.0010350000000000001 0.22 AML other m 2018-03-06T03:52:07.59
IV.GUMA.HNE. ML:2.9 0.0028799999999999997 0.84 AML other m 2018-03-06T03:52:08.48
IV.GUMA.HHN. ML:3.0 0.004175000000000001 0.64 AML other m 2018-03-06T03:52:08.50
IV.CSP1.EHN. ML:2.1 0.000576 0.7 AML other m 2018-03-06T03:52:08.60
IV.T1299.EHE. ML:2.0 0.0004945 0.66 AML other m 2018-03-06T03:52:08.31
IV.SMA1.EHE. ML:2.4 0.0010075000000000001 0.18 AML other m 2018-03-06T03:52:08.77
IV.ARRO.EHE. ML:2.4 0.0010445 1.42 AML other m 2018-03-06T03:52:08.72
IV.MOMA.HNN. ML:2.4 0.001053 1.1 AML other m 2018-03-06T03:52:09.70
IV.ARRO.EHN. ML:2.4 0.0009965 0.42 AML other m 2018-03-06T03:52:09.54
IV.MOMA.HNE. ML:2.8 0.002275 0.16 AML other m 2018-03-06T03:52:09.52
IV.MOMA.HHE. ML:2.8 0.002375 0.16 AML other m 2018-03-06T03:52:09.60
IV.MF5.EHE. ML:2.6 0.001345 0.3 AML other m 2018-03-06T03:52:09.68
IV.MF5.EHN. ML:2.4 0.0008514999999999999 1.36 AML other m 2018-03-06T03:52:10.70
IV.MOMA.HHN. ML:2.4 0.001085 0.18 AML other m 2018-03-06T03:52:10.41
IV.GUMA.HHE. ML:3.0 0.003505 0.32 AML other m 2018-03-06T03:52:10.73
IV.GUMA.HNN. ML:2.9 0.0031349999999999998 1.48 AML other m 2018-03-06T03:52:10.92
IV.CESX.HHN. ML:2.4 0.0008914999999999999 0.26 AML other m 2018-03-06T03:52:11.64
IV.SNTG.HHE. ML:2.0 0.000258 1.42 AML other m 2018-03-06T03:52:12.18
IV.SNTG.HHN. ML:2.1 0.00034550000000000005 1.36 AML other m 2018-03-06T03:52:12.20
IV.TERO.HHE. ML:2.2 0.0003785 1.66 AML other m 2018-03-06T03:52:12.85
IV.CESX.HHE. ML:2.4 0.0008950000000000001 0.54 AML other m 2018-03-06T03:52:13.04
IV.TERO.HHN. ML:2.3 0.0005470000000000001 1.36 AML other m 2018-03-06T03:52:13.98
IV.ATCC.EHN. ML:2.3 0.000526 1.52 AML other m 2018-03-06T03:52:15.87
IV.ATCC.EHE. ML:2.3 0.000521 1.3 AML other m 2018-03-06T03:52:16.04
IV.EL6.EHE. ML:2.5 0.0007244999999999999 1.82 AML other m 2018-03-06T03:52:17.00
IV.CING.HHE. ML:2.3 0.0003675 1.06 AML other m 2018-03-06T03:52:17.56
IV.FIAM.HHE. ML:2.1 0.0002475 1.64 AML other m 2018-03-06T03:52:17.97
IV.EL6.EHN. ML:2.5 0.0007715 0.38 AML other m 2018-03-06T03:52:17.34
IV.CING.HHN. ML:2.2 0.00028300000000000005 0.34 AML other m 2018-03-06T03:52:17.65
IV.OFFI.HHN. ML:2.5 0.0007685 1.44 AML other m 2018-03-06T03:52:17.20
IV.MURB.HHN. ML:2.5 0.0005725 1.3 AML other m 2018-03-06T03:52:18.21
IV.MURB.HNN. ML:2.4 0.0005394999999999999 0.72 AML other m 2018-03-06T03:52:19.09
IV.FOSV.EHE. ML:2.0 0.0002035 1.46 AML other m 2018-03-06T03:52:19.85
IV.MURB.HHE. ML:2.6 0.0007059999999999999 0.22 AML other m 2018-03-06T03:52:19.35
IV.MURB.HNE. ML:2.5 0.0006919999999999999 0.24 AML other m 2018-03-06T03:52:19.35
IV.FOSV.EHN. ML:2.0 0.00020250000000000002 1.26 AML other m 2018-03-06T03:52:20.24
IV.ARVD.HHE. ML:2.0 0.00016 0.32 AML other m 2018-03-06T03:52:21.22
IV.FIAM.HHN. ML:2.1 0.00023099999999999998 0.62 AML other m 2018-03-06T03:52:21.55
IV.ARVD.HHN. ML:1.9 0.0001265 0.66 AML other m 2018-03-06T03:52:21.33
IV.SSFR.HHE. ML:2.5 0.0005204999999999999 0.16 AML other m 2018-03-06T03:52:22.32
IV.SSFR.HNE. ML:2.5 0.0005484999999999999 0.16 AML other m 2018-03-06T03:52:22.33
IV.OFFI.HHE. ML:2.4 0.000638 0.52 AML other m 2018-03-06T03:52:22.63
IV.FRON.EHE. ML:1.8 0.00009245000000000001 0.64 AML other m 2018-03-06T03:52:22.42
IV.SSFR.HNN. ML:2.5 0.000482 0.78 AML other m 2018-03-06T03:52:22.77
IV.FRON.EHN. ML:2.0 0.0001385 1.3 AML other m 2018-03-06T03:52:24.06
IV.SRES.HHN. ML:2.1 0.0001805 0.42 AML other m 2018-03-06T03:52:24.61
IV.PIEI.HHE. ML:2.0 0.0001045 0.14 AML other m 2018-03-06T03:52:25.29
IV.SRES.HHE. ML:2.1 0.0001965 1.2 AML other m 2018-03-06T03:52:25.26
IV.SSFR.HHN. ML:2.3 0.0003555 0.18 AML other m 2018-03-06T03:52:26.49
IV.PIEI.HHN. ML:1.8 0.0000765 1.02 AML other m 2018-03-06T03:52:27.75
IV.SACS.HHE. ML:2.0 0.0001215 0.7 AML other m 2018-03-06T03:52:27.80
IV.SACS.HHN. ML:2.0 0.0001015 0.76 AML other m 2018-03-06T03:52:29.20
IV.T0110.HHN. ML:2.3 0.00023899999999999998 0.68 AML other m 2018-03-06T03:52:31.99
IV.CERT.HHN. ML:2.0 0.0001085 1.14 AML other m 2018-03-06T03:52:32.73
IV.FAGN.HHN. ML:2.2 0.00023299999999999997 0.3 AML other m 2018-03-06T03:52:32.60
IV.TOLF.HHE. ML:2.1 0.00009565 0.48 AML other m 2018-03-06T03:52:32.94
IV.NARO.HHN. ML:1.8 0.000057749999999999994 0.56 AML other m 2018-03-06T03:52:33.29
IV.FAGN.HHE. ML:2.3 0.0003105 0.52 AML other m 2018-03-06T03:52:34.67
IV.TOLF.HHN. ML:2.2 0.00011399999999999999 0.92 AML other m 2018-03-06T03:52:34.98
IV.T0110.HHE. ML:2.3 0.00023199999999999997 0.38 AML other m 2018-03-06T03:52:35.46
IV.NARO.HHE. ML:1.9 0.0000789 1.12 AML other m 2018-03-06T03:52:36.42
IV.ATVO.HHE. ML:1.9 0.000111848535 0.5824 AML other m 2018-03-06T03:52:29.79
IV.ATVO.HHN. ML:1.8 0.00008491848499999999 0.3776 AML other m 2018-03-06T03:52:24.67
IV.PP3.HNE. ML:2.5 0.00042864899999999997 0.7008 AML other m 2018-03-06T03:52:25.49
IV.PP3.EHN. ML:2.6 0.00054752825 0.32 AML other m 2018-03-06T03:52:22.96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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