Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 26-04-2019 and time 10:22:07 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km E Norcia (PG), on

  • 26-04-2019 08:22:07 (UTC)
  • 26-04-2019 10:22:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1250 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 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
Sellano PG 19 1079 15252
Poggiodomo PG 19 117 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 2.1 2019-04-26
08:22:07		 42.8063 13.1253 9 2019-08-22
08:25:00		 Bollettino Sismico Italiano INGV 68809541
Reviewed
Rev100 		ML 2.1 2019-04-26
08:22:07		 42.8095 13.1238 10 2019-04-26
08:36:25		 Sala Sismica INGV-Roma 67973421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-26 08:22:07 ± 0.04
Latitude 42.8063 ± 0.0018
Longitude 13.1253 ± 0.0037
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 68809541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 109
Number of defining phases 81
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 67
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 68809541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-23 07:28:33

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 67973421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-26 08:36:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.ORP.HGZ. 2019-04-26T08:23:30.56 3.0 undecidable manual Sg 31.719999 0
IV.CORL.HHZ. 2019-04-26T08:23:04.70 3.0 positive manual Pg 21.84 0
IV.SPS2.HHZ. 2019-04-26T08:23:04.18 3.0 undecidable manual Pg 25.67 0
IV.PIPA.HHZ. 2019-04-26T08:23:03.80 3.0 negative manual Pg 24.32 0
IV.IFIL.HHZ. 2019-04-26T08:22:59.15 3.0 negative manual Pg 21.01 0
IV.T0110.HHZ. 2019-04-26T08:22:32.49 0.1 undecidable manual S 140 83.25 50 0.27 82
IV.ARVD.HHZ. 2019-04-26T08:22:31.43 0.1 undecidable manual S 349 78.1662 50 0.57 77
IV.CNCS.HNZ. 2019-04-26T08:22:30.79 3.0 undecidable manual Sg 10.2 0
IV.SSFR.HHZ. 2019-04-26T08:22:30.95 0.1 undecidable manual S 338 75.1692 50 0.88 68
IV.MURB.HHZ. 2019-04-26T08:22:28.49 0.1 undecidable manual S 316 70.2741 50 -0.27 84
ST.RONC.EHZ. 2019-04-26T08:22:28.68 3.0 undecidable manual Sg 4 0
IV.STAL.HHZ. 2019-04-26T08:22:28.38 3.0 undecidable manual Sn -2 0
IV.FOSV.EHZ. 2019-04-26T08:22:26.71 0.3 undecidable manual S 332 61.6938 50 0.24 65
IV.PTRJ.HHZ. 2019-04-26T08:22:26.71 3.0 undecidable manual Pg 20.219999 0
IV.ATCC.EHZ. 2019-04-26T08:22:26.07 0.1 undecidable manual S 317 57.5979 50 0.7 76
IV.CAPR.HNZ. 2019-04-26T08:22:26.97 3.0 undecidable manual Sg 3.87 0
IV.FIAM.HHZ. 2019-04-26T08:22:25.89 0.1 undecidable manual S 181 59.6958 50 -0.05 90
IV.EL6.EHZ. 2019-04-26T08:22:25.81 0.1 undecidable manual S 358 57.9975 50 0.32 85
IV.GIGS.HHZ. 2019-04-26T08:22:24.16 0.1 undecidable manual S 137 53.6019 50 -0.14 89
CR.STON.BHZ. 2019-04-26T08:22:24.76 3.0 undecidable manual Pn 2.92 0
SI.BOSI.HHZ. 2019-04-26T08:22:24.14 3.0 undecidable manual Sn -8.61 0
IV.SNTG.HHZ. 2019-04-26T08:22:23.93 0.1 undecidable manual S 343 52.0035 50 0.06 91
IV.ASSB.HHZ. 2019-04-26T08:22:22.05 0.1 undecidable manual S 305 46.1205 50 -0.25 88
IV.GAG1.HNE. 2019-04-26T08:22:22.96 0.3 undecidable manual S 354 48.1185 50 0.12 68
IV.SSM1.HNE. 2019-04-26T08:22:22.60 0.3 undecidable manual S 5 47.0196 50 0.04 69
IV.MOMA.HHZ. 2019-04-26T08:22:22.57 0.1 undecidable manual S 270 45.2214 50 0.51 84
IV.CESX.HHZ. 2019-04-26T08:22:22.94 0.1 undecidable manual S 244 49.1175 50 -0.17 90
IV.T0110.HHZ. 2019-04-26T08:22:22.17 0.1 undecidable manual P 140 83.25 50 0.58 76
IV.TERO.HHZ. 2019-04-26T08:22:21.29 0.1 undecidable manual S 117 44.0226 50 -0.46 85
IV.MDAR.HNN. 2019-04-26T08:22:21.36 0.3 undecidable manual S 2 42.8238 50 -0.08 69
IV.FIU1.HNZ. 2019-04-26T08:22:21.96 0.3 undecidable manual S 340 45.2214 50 -0.11 68
IV.SAP2.EHZ. 2019-04-26T08:22:21.18 0.1 undecidable manual S 35 39.1275 50 0.74 77
IV.SSFR.HHZ. 2019-04-26T08:22:20.61 0.1 undecidable manual P 338 75.1692 50 0.26 84
IV.ARVD.HHZ. 2019-04-26T08:22:20.95 0.1 undecidable manual P 349 78.1662 50 0.14 85
IV.VCEL.EHZ. 2019-04-26T08:22:20.49 0.1 undecidable manual P 128 74.1702 50 0.3 83
IV.SEF1.HNN. 2019-04-26T08:22:20.57 0.3 undecidable manual S 339 40.4262 50 -0.22 67
IV.ARRO.EHZ. 2019-04-26T08:22:20.63 0.1 undecidable manual S 229 38.628 50 0.31 89
IV.PF6.EHE. 2019-04-26T08:22:19.27 0.1 undecidable manual S 9 37.2294 50 -0.66 80
IV.MF5.EHZ. 2019-04-26T08:22:19.43 0.1 undecidable manual S 53 33.8439 50 0.41 87
IV.MURB.HHZ. 2019-04-26T08:22:19.98 0.3 undecidable manual P 316 70.2741 50 0.39 62
IV.CAMP.HHZ. 2019-04-26T08:22:19.80 0.1 undecidable manual S 142 37.9287 50 -0.32 88
IV.MML1.EHE. 2019-04-26T08:22:19.18 0.1 undecidable manual S 340 36.2415 50 -0.5 85
IV.CSP1.EHZ. 2019-04-26T08:22:18.10 0.1 undecidable manual S 11 32.3454 50 -0.52 85
IV.RM33.EHZ. 2019-04-26T08:22:18.89 0.1 undecidable manual S 168 33.744 50 -0.13 93
IV.FOSV.EHZ. 2019-04-26T08:22:18.21 0.3 undecidable manual P 332 61.6938 50 -0.06 67
IV.GUMA.HHZ. 2019-04-26T08:22:18.92 0.1 undecidable manual S 31 33.1446 50 0.07 94
IV.FIAM.HHZ. 2019-04-26T08:22:17.64 0.1 undecidable manual P 181 59.6958 50 -0.33 85
IV.EL6.EHZ. 2019-04-26T08:22:17.48 0.1 undecidable manual P 358 57.9975 50 -0.23 87
IV.PZUN.HHZ. 2019-04-26T08:22:17.28 3.0 negative manual Pn -4.07 0
IV.ATCC.EHZ. 2019-04-26T08:22:17.57 0.1 undecidable manual P 317 57.5979 50 -0.07 90
IV.CESI.HHZ. 2019-04-26T08:22:16.99 0.1 undecidable manual S 321 28.4493 108 -0.42 88
IV.SNTG.HHZ. 2019-04-26T08:22:16.49 0.1 undecidable manual P 343 52.0035 50 -0.28 87
IV.GIGS.HHZ. 2019-04-26T08:22:16.61 0.1 undecidable manual P 137 53.6019 50 -0.41 84
IV.GAG1.HNE. 2019-04-26T08:22:16.92 0.3 undecidable manual P 354 48.1185 50 0.74 57
IV.FDMO.HHZ. 2019-04-26T08:22:16.03 0.1 undecidable manual S 353 25.752 109 -0.49 87
IV.MNTT.EHZ. 2019-04-26T08:22:16.75 0.1 undecidable manual P 53 47.5191 50 0.66 79
IV.OFFI.HHZ. 2019-04-26T08:22:16.92 0.3 undecidable manual P 72 47.7189 50 0.8 56
IV.SMA1.EHZ. 2019-04-26T08:22:16.32 0.1 undecidable manual S 139 25.9518 109 -0.28 91
IV.CESX.HHZ. 2019-04-26T08:22:16.15 0.1 undecidable manual P 244 49.1175 50 -0.18 89
IV.GAVE.HNZ. 2019-04-26T08:22:15.73 0.1 undecidable manual S 236 22.6551 112 0.19 93
IV.MTRA.EHZ. 2019-04-26T08:22:15.38 0.1 undecidable manual S 104 22.755 111 -0.18 94
IV.LNSS.HHZ. 2019-04-26T08:22:15.96 0.1 undecidable manual S 197 23.6541 111 0.12 95
IV.ASSB.HHZ. 2019-04-26T08:22:15.61 0.1 undecidable manual P 305 46.1205 50 -0.25 88
IV.SSM1.HNE. 2019-04-26T08:22:15.53 0.3 undecidable manual P 5 47.0196 50 -0.48 63
IV.TERO.HHZ. 2019-04-26T08:22:15.25 0.1 undecidable manual P 117 44.0226 50 -0.29 88
IV.MOMA.HHZ. 2019-04-26T08:22:15.74 0.1 undecidable manual P 270 45.2214 50 0.01 93
IV.MDAR.HNN. 2019-04-26T08:22:15.22 0.3 undecidable manual P 2 42.8238 50 -0.15 68
IV.T1299.HNN. 2019-04-26T08:22:15.90 0.1 undecidable manual S 146 22.9548 111 0.27 92
IV.FIU1.HNZ. 2019-04-26T08:22:15.81 0.3 undecidable manual P 340 45.2214 50 0.08 69
IV.CAMP.HHZ. 2019-04-26T08:22:14.32 0.1 negative manual P 142 37.9287 50 -0.28 89
IV.FEMA.HNE. 2019-04-26T08:22:14.08 0.1 undecidable manual S 340 18.3705 116 -0.07 96
IV.SEF1.HNN. 2019-04-26T08:22:14.74 0.3 undecidable manual P 339 40.4262 50 -0.25 67
IV.ARRO.EHZ. 2019-04-26T08:22:14.55 0.1 positive manual P 229 38.628 50 -0.17 91
IV.MML1.EHE. 2019-04-26T08:22:14.02 0.1 undecidable manual P 340 36.2415 50 -0.33 88
IV.SAP2.EHZ. 2019-04-26T08:22:14.98 0.1 positive manual P 35 39.1275 50 0.19 91
IV.MMO1.EHZ. 2019-04-26T08:22:14.43 0.1 undecidable manual S 58 19.3695 115 -0.04 97
IV.CPGN.EHZ. 2019-04-26T08:22:14.99 3.0 undecidable manual Sg 13.86 0
IV.PF6.EHE. 2019-04-26T08:22:14.05 0.1 undecidable manual P 9 37.2294 50 -0.44 86
IV.MF5.EHZ. 2019-04-26T08:22:14.08 0.1 positive manual P 53 33.8439 50 0.11 93
IV.GUMA.HHZ. 2019-04-26T08:22:13.88 0.1 positive manual P 31 33.1446 50 0.01 95
IV.CSP1.EHZ. 2019-04-26T08:22:13.40 0.1 positive manual P 11 32.3454 50 -0.34 89
IV.RM33.EHZ. 2019-04-26T08:22:13.68 0.1 undecidable manual P 168 33.744 50 -0.29 90
IV.FDMO.HHZ. 2019-04-26T08:22:12.33 0.1 positive manual P 353 25.752 109 -0.2 93
IV.T1299.HNN. 2019-04-26T08:22:12.35 0.1 undecidable manual P 146 22.9548 111 0.34 90
IV.SMA1.EHZ. 2019-04-26T08:22:12.63 0.1 undecidable manual P 139 25.9518 109 0.06 95
IV.GAVE.HNZ. 2019-04-26T08:22:12.10 0.1 positive manual P 236 22.6551 112 0.14 94
IV.CESI.HHZ. 2019-04-26T08:22:12.88 0.1 positive manual P 321 28.4493 108 -0.16 93
IV.MC2.EHZ. 2019-04-26T08:22:12.57 0.1 undecidable manual S 24 12.7761 125 0.09 97
IV.LNSS.HHZ. 2019-04-26T08:22:12.20 0.1 positive manual P 197 23.6541 111 0.06 96
IV.MAGA.HHZ. 2019-04-26T08:22:11.89 3.0 undecidable manual Sn -9.14 0
IV.FEMA.HNE. 2019-04-26T08:22:11.28 0.1 undecidable manual P 340 18.3705 116 0.12 95
IV.MTRA.EHZ. 2019-04-26T08:22:11.94 0.1 positive manual P 104 22.755 111 -0.03 96
IV.MMO1.EHZ. 2019-04-26T08:22:11.37 0.1 positive manual P 58 19.3695 115 0.03 97
IT.MTCL.HGZ. 2019-04-26T08:22:11.97 3.0 undecidable manual P -0.01 0
IV.MC2.EHZ. 2019-04-26T08:22:10.53 0.1 positive manual P 24 12.7761 125 0.34 92
IV.BARO.EHZ. 2019-04-26T08:22:10.05 3.0 undecidable manual Sn -6.39 0
IV.NRCA.HHZ. 2019-04-26T08:22:10.38 0.1 undecidable manual S 343 3.0969 161 0.01 100
IV.NRCA.HHZ. 2019-04-26T08:22:09.25 0.1 negative manual P 343 3.0969 161 0.28 95
IT.ORP.HGZ. 2019-04-26T08:22:08.23 3.0 negative manual Pn -3.64 0
IV.POFI.HHZ. 2019-04-26T08:22:07.29 3.0 positive manual Pg 8.6 0
IV.MTMR.HNZ. 2019-04-26T08:22:05.83 3.0 undecidable manual Pn -7.79 0
IV.NARO.HHZ. 2019-04-26T08:22:02.28 3.0 undecidable manual Sg -0.94 0
RD.PGF.BHZ. 2019-04-26T08:21:46.20 3.0 negative manual Pn -8.61 0
IV.NDIM.HHZ. 2019-04-26T08:21:39.08 3.0 negative manual P -3.55 0
IV.SARZ.HHZ. 2019-04-26T08:21:39.84 3.0 positive manual Pn -9.99 0
IV.NARO.HHZ. 2019-04-26T08:21:38.52 3.0 undecidable manual P -2.1 0
IV.CPGN.EHZ. 2019-04-26T08:21:36.38 3.0 negative manual P -3.07 0
IV.CRMI.HHZ. 2019-04-26T08:21:32.19 3.0 undecidable manual P -7.07 0
IT.FIE.HGZ. 2019-04-26T08:21:31.99 3.0 negative manual P -6.66 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.019980599999999998 0.1344 AML other m 2019-04-26T08:22:10.50
IV.NRCA.HNN. ML:0.0 0.018958739999999998 0.1472 AML other m 2019-04-26T08:22:10.50
IV.NRCA.HNE. ML:0.0 0.01343195 0.128 AML other m 2019-04-26T08:22:10.93
IV.NRCA.HHE. ML:0.0 0.01433486 0.1216 AML other m 2019-04-26T08:22:10.93
IV.MTRA.EHN. ML:2.3 0.0012048442 0.16 AML other m 2019-04-26T08:22:17.13
IV.MTRA.EHE. ML:2.2 0.0011319751999999998 0.2624 AML other m 2019-04-26T08:22:16.23
IV.GAVE.EHN. ML:2.5 0.0023401925 0.16 AML other m 2019-04-26T08:22:16.64
IV.GAVE.EHE. ML:2.4 0.0015232535 0.2432 AML other m 2019-04-26T08:22:17.57
IV.GAVE.HNE. ML:2.4 0.0016071895000000001 0.2304 AML other m 2019-04-26T08:22:17.45
IV.GAVE.HNN. ML:2.0 0.0006164673000000001 0.1344 AML other m 2019-04-26T08:22:16.71
IV.FDMO.HHE. ML:2.2 0.00086154055 0.1984 AML other m 2019-04-26T08:22:16.87
IV.FDMO.HHN. ML:2.1 0.00077173735 0.2624 AML other m 2019-04-26T08:22:16.53
IV.RM33.EHE. ML:2.1 0.000532256 0.1408 AML other m 2019-04-26T08:22:20.59
IV.RM33.HNE. ML:2.1 0.0005546914000000001 0.1536 AML other m 2019-04-26T08:22:20.65
IV.RM33.HNN. ML:2.0 0.0004221515 0.1984 AML other m 2019-04-26T08:22:21.17
IV.RM33.EHN. ML:2.0 0.00038527835 0.2048 AML other m 2019-04-26T08:22:21.17
IV.MF5.EHE. ML:2.1 0.00048472005 0.2048 AML other m 2019-04-26T08:22:21.26
IV.MF5.EHN. ML:2.1 0.0005468134499999999 0.2624 AML other m 2019-04-26T08:22:20.25
IV.ASSB.HHN. ML:1.9 0.00024630575 0.1024 AML other m 2019-04-26T08:22:24.10
IV.MOMA.HNE. ML:2.1 0.0004074483 0.1856 AML other m 2019-04-26T08:22:24.20
IV.MOMA.HNN. ML:2.1 0.000396968 0.3136 AML other m 2019-04-26T08:22:23.13
IV.MOMA.HHE. ML:2.2 0.00041760145 0.1984 AML other m 2019-04-26T08:22:24.19
IV.MOMA.HHN. ML:2.1 0.0003828611 0.32 AML other m 2019-04-26T08:22:23.13
IV.CESX.HHN. ML:1.8 0.00019040960000000001 0.2816 AML other m 2019-04-26T08:22:26.46
IV.SNTG.HHE. ML:1.8 0.00016068875 0.1024 AML other m 2019-04-26T08:22:25.50
IV.SNTG.HHN. ML:1.9 0.00018233850000000002 0.1216 AML other m 2019-04-26T08:22:25.79
IV.SNTG.HNN. ML:1.9 0.00018738375000000002 0.1216 AML other m 2019-04-26T08:22:25.79
IV.SNTG.HNE. ML:1.9 0.0001797655 0.1024 AML other m 2019-04-26T08:22:24.82
IV.OFFI.HHN. ML:2.3 0.0005658434 0.2944 AML other m 2019-04-26T08:22:27.10
IV.EL6.EHE. ML:2.3 0.00041929150000000003 0.1216 AML other m 2019-04-26T08:22:26.48
IV.EL6.EHN. ML:2.4 0.00055635675 0.1792 AML other m 2019-04-26T08:22:26.53
IV.ATCC.EHE. ML:2.0 0.00020721434999999998 0.1408 AML other m 2019-04-26T08:22:27.59
IV.ATCC.EHN. ML:1.8 0.00014445205 0.2368 AML other m 2019-04-26T08:22:26.68
IV.T0110.HHN. ML:1.9 0.00009997489000000001 0.3008 AML other m 2019-04-26T08:22:34.89
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