Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-08-2019 and time 00:12:02 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 7 km E Norcia (PG), on

  • 25-08-2019 22:12:02 (UTC)
  • 26-08-2019 00:12:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8220, 13.1730 at 11 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
Castelsantangelo sul Nera MC 8 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 13 724 7140
Montegallo AP 13 523 7663
Visso MC 14 1107 8770
Ussita MC 14 444 9214
Accumoli RI 15 667 9881
Montemonaco AP 15 604 10485
Cascia PG 17 3217 13702
Montefortino FM 19 1178 14880
Bolognola MC 20 142 15022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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 1.9 2019-08-25
22:12:02		 42.8218 13.1727 11 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73576031
Reviewed
Rev100 		ML 1.9 2019-08-25
22:12:02		 42.8245 13.1693 10 2019-08-25
22:26:42		 Sala Sismica INGV-Roma 71808281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-25 22:12:02 ± 0.05
Latitude 42.8218 ± 0.0018
Longitude 13.1727 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73576031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 237
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.89842
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 79
Type of magnitude ML
Reference to an origin 73576031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-01 18:26:55

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 79
Type of magnitude ML
Reference to an origin 71808281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-25 22:26:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2019-08-25T22:12:21.68 0.6 undecidable manual S 184 61.5939 50 0.06 46
IV.CESX.HHZ. 2019-08-25T22:12:19.76 0.6 undecidable manual S 244 53.3022 50 0.35 44
IV.NARO.HHZ. 2019-08-25T22:12:19.53 0.3 undecidable manual P 332 99.7224 50 0.07 64
IV.GIGS.HHZ. 2019-08-25T22:12:19.11 0.6 undecidable manual S 141 52.3032 50 -0.04 47
IV.MOMA.HHZ. 2019-08-25T22:12:18.89 0.3 undecidable manual S 268 49.1175 50 0.61 62
IV.FRON.EHZ. 2019-08-25T22:12:17.22 0.3 undecidable manual P 335 85.248 50 -0.01 67
IT.FOPC.HGE. 2019-08-25T22:12:16.83 0.3 undecidable manual S 293 41.5251 50 0.56 64
IV.ARVD.HHZ. 2019-08-25T22:12:16.09 0.3 undecidable manual P 346 77.367 50 0.09 67
IV.TERO.HHZ. 2019-08-25T22:12:16.21 0.6 undecidable manual S 122 41.5251 50 -0.05 48
IV.T0110.HHZ. 2019-08-25T22:12:16.61 0.3 undecidable manual P 143 82.1511 50 -0.15 65
IV.ARRO.EHZ. 2019-08-25T22:12:16.92 0.3 undecidable manual S 231 42.7239 50 0.34 67
IV.ATTE.HHZ. 2019-08-25T22:12:16.48 0.6 undecidable manual P 302 78.4659 50 0.3 42
IV.SAP2.EHZ. 2019-08-25T22:12:15.62 0.3 undecidable manual S 31 35.6421 50 0.93 55
IV.VCEL.EHZ. 2019-08-25T22:12:15.34 0.3 undecidable manual P 131 72.2721 50 0.12 67
IV.CAMP.HHZ. 2019-08-25T22:12:14.95 0.6 undecidable manual S 149 37.1295 50 -0.14 47
IV.PF6.EHE. 2019-08-25T22:12:14.31 0.3 undecidable manual S 3 35.1426 50 -0.24 70
IV.RM33.EHZ. 2019-08-25T22:12:14.56 0.6 undecidable manual S 174 34.8429 50 0.08 48
IV.MML1.EHE. 2019-08-25T22:12:14.75 0.3 undecidable manual S 333 36.2415 50 -0.1 72
IV.MF5.EHZ. 2019-08-25T22:12:13.88 0.3 undecidable manual S 52 29.748 50 0.77 60
IV.FIAM.HHZ. 2019-08-25T22:12:13.36 0.1 undecidable manual P 184 61.5939 50 -0.22 89
IV.FOSV.EHZ. 2019-08-25T22:12:13.53 0.3 undecidable manual P 328 62.1933 50 -0.14 68
IV.ATCC.EHZ. 2019-08-25T22:12:13.15 0.3 undecidable manual P 313 59.0964 50 -0.05 69
IV.LNSS.HHZ. 2019-08-25T22:12:12.28 0.3 undecidable manual S 204 26.5512 50 0.01 74
IV.GAVE.EHZ. 2019-08-25T22:12:12.55 0.3 undecidable manual S 238 26.8509 50 0.2 71
IV.EL6.EHZ. 2019-08-25T22:12:12.69 0.1 undecidable manual P 354 56.5989 50 -0.12 92
IV.CESX.HHZ. 2019-08-25T22:12:12.17 0.1 undecidable manual P 244 53.3022 50 -0.13 92
IV.CESI.HHZ. 2019-08-25T22:12:12.94 0.3 undecidable manual S 313 29.748 50 -0.19 71
IV.CSP1.EHZ. 2019-08-25T22:12:12.97 0.3 undecidable manual S 5 30.0477 50 -0.24 70
IT.MTCL.HGZ. 2019-08-25T22:12:11.16 0.3 undecidable manual S 324 23.754 50 -0.35 69
IV.GIGS.HHZ. 2019-08-25T22:12:11.75 0.1 undecidable manual P 141 52.3032 50 -0.41 87
IV.T1299.HNZ. 2019-08-25T22:12:11.46 0.3 undecidable manual S 157 22.6551 50 0.24 71
IV.MNTT.EHZ. 2019-08-25T22:12:11.48 0.1 undecidable manual P 52 43.5231 50 0.69 81
IV.FDMO.HHZ. 2019-08-25T22:12:11.41 0.3 undecidable manual S 344 24.753 50 -0.4 69
IV.ASSB.HHZ. 2019-08-25T22:12:11.34 0.3 undecidable manual P 301 48.4182 50 -0.2 69
IV.SNTG.HHZ. 2019-08-25T22:12:11.84 0.3 undecidable manual P 339 51.6039 50 -0.2 68
IV.SMA1.EHZ. 2019-08-25T22:12:11.75 0.3 undecidable manual S 148 25.0527 50 -0.11 73
IV.MOMA.HHZ. 2019-08-25T22:12:11.63 0.3 undecidable manual P 268 49.1175 50 -0.02 71
IV.ARRO.EHZ. 2019-08-25T22:12:10.56 0.1 positive manual P 231 42.7239 50 -0.11 94
IT.FOPC.HGE. 2019-08-25T22:12:10.81 0.6 undecidable manual P 293 41.5251 50 0.32 45
IV.MTRA.EHZ. 2019-08-25T22:12:10.09 0.3 undecidable manual S 112 19.5693 118 -0.23 72
IV.TERO.HHZ. 2019-08-25T22:12:10.29 0.1 undecidable manual P 122 41.5251 50 -0.2 93
IV.MML1.EHE. 2019-08-25T22:12:09.50 0.1 negative manual P 333 36.2415 50 -0.17 94
IV.MMO1.EHZ. 2019-08-25T22:12:09.08 0.3 undecidable manual S 55 15.1737 125 0.06 75
IV.CAMP.HHZ. 2019-08-25T22:12:09.56 0.1 undecidable manual P 149 37.1295 50 -0.25 93
IV.FEMA.HNZ. 2019-08-25T22:12:09.77 0.3 undecidable manual S 327 18.4704 120 -0.21 72
IV.PF6.EHE. 2019-08-25T22:12:09.26 0.1 positive manual P 3 35.1426 50 -0.24 93
IV.SAP2.EHZ. 2019-08-25T22:12:09.90 0.3 undecidable manual P 31 35.6421 50 0.32 69
IV.RM33.EHZ. 2019-08-25T22:12:09.36 0.1 undecidable manual P 174 34.8429 50 -0.1 96
IV.CSP1.EHZ. 2019-08-25T22:12:08.62 0.1 positive manual P 5 30.0477 50 -0.11 97
IV.LNSS.HHZ. 2019-08-25T22:12:08.18 0.1 positive manual P 204 26.5512 50 -0.01 99
IV.MF5.EHZ. 2019-08-25T22:12:08.94 0.1 undecidable manual P 52 29.748 50 0.27 93
IV.GAVE.EHZ. 2019-08-25T22:12:08.21 0.1 positive manual P 238 26.8509 50 -0.02 99
IV.CESI.HHZ. 2019-08-25T22:12:08.57 0.3 undecidable manual P 313 29.748 50 -0.11 72
IV.MTRA.EHZ. 2019-08-25T22:12:07.04 0.1 negative manual P 112 19.5693 118 -0.02 100
IV.SMA1.EHZ. 2019-08-25T22:12:07.84 0.1 negative manual P 148 25.0527 50 -0.1 97
IT.MTCL.HGZ. 2019-08-25T22:12:07.55 0.3 undecidable manual P 324 23.754 50 -0.2 72
IV.T1299.HNZ. 2019-08-25T22:12:07.67 0.1 negative manual P 157 22.6551 50 0.09 98
IV.FDMO.HHZ. 2019-08-25T22:12:07.72 0.1 negative manual P 344 24.753 50 -0.19 96
IV.NRCA.HNZ. 2019-08-25T22:12:06.81 0.3 undecidable manual S 285 4.8951 155 0.18 75
IV.MMO1.EHZ. 2019-08-25T22:12:06.43 0.1 positive manual P 55 15.1737 125 0.12 99
IV.FEMA.HNZ. 2019-08-25T22:12:06.93 0.3 undecidable manual P 327 18.4704 120 0.06 74
IV.NRCA.HNZ. 2019-08-25T22:12:05.28 0.1 positive manual P 285 4.8951 155 0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.5 0.0051493395 1.8464 AML other m 2019-08-25T22:12:06.97
IV.NRCA.HNE. ML:2.5 0.0048828295 1.8336 AML other m 2019-08-25T22:12:06.97
IV.NRCA.HHN. ML:2.7 0.008665264499999999 0.128 AML other m 2019-08-25T22:12:07.86
IV.NRCA.HNN. ML:2.7 0.007738963 0.1152 AML other m 2019-08-25T22:12:07.87
IV.MTRA.HNN. ML:2.3 0.0013902685 0.1536 AML other m 2019-08-25T22:12:11.48
IV.MTRA.EHN. ML:2.3 0.001379202 0.1408 AML other m 2019-08-25T22:12:11.49
IV.MTRA.EHE. ML:2.2 0.0011649808 0.1152 AML other m 2019-08-25T22:12:11.49
IV.MTRA.HNE. ML:2.2 0.0011725400500000001 0.1152 AML other m 2019-08-25T22:12:11.50
IV.FDMO.HHE. ML:1.8 0.00038232155 0.1792 AML other m 2019-08-25T22:12:11.76
IV.FDMO.HHN. ML:1.9 0.00046898539999999997 0.1664 AML other m 2019-08-25T22:12:12.26
IV.GAVE.HNE. ML:2.0 0.0006018578 0.3968 AML other m 2019-08-25T22:12:12.67
IV.SMA1.EHN. ML:2.0 0.0006658262 0.1024 AML other m 2019-08-25T22:12:12.56
IV.SMA1.EHE. ML:1.9 0.00051028545 0.1024 AML other m 2019-08-25T22:12:12.66
IV.LNSS.HHE. ML:2.4 0.00159484 0.1408 AML other m 2019-08-25T22:12:12.67
IV.LNSS.HNE. ML:2.4 0.0014953094999999997 0.1536 AML other m 2019-08-25T22:12:12.67
IV.LNSS.HHN. ML:2.5 0.0018290365 0.2432 AML other m 2019-08-25T22:12:12.81
IV.LNSS.HNN. ML:2.5 0.001660246 0.2432 AML other m 2019-08-25T22:12:12.94
IV.GAVE.EHE. ML:2.0 0.00058674355 0.1536 AML other m 2019-08-25T22:12:12.92
IV.GAVE.EHN. ML:2.2 0.0008148548 0.1536 AML other m 2019-08-25T22:12:13.11
IV.GAVE.HNN. ML:1.6 0.00021419155000000002 0.1408 AML other m 2019-08-25T22:12:13.11
IV.CESI.HNE. ML:2.0 0.00052219485 0.2304 AML other m 2019-08-25T22:12:13.30
IV.CESI.HHE. ML:2.1 0.0005588670499999999 0.2176 AML other m 2019-08-25T22:12:13.41
IV.CSP1.EHE. ML:2.0 0.00054279305 0.3072 AML other m 2019-08-25T22:12:13.39
IV.CSP1.EHN. ML:2.0 0.00048253029999999994 0.2816 AML other m 2019-08-25T22:12:13.29
IV.CESI.HNN. ML:2.1 0.0006366102 0.1152 AML other m 2019-08-25T22:12:13.48
IV.CESI.HHN. ML:2.0 0.00049870565 0.1152 AML other m 2019-08-25T22:12:13.54
IV.MF5.EHN. ML:1.9 0.00038724729999999995 0.1536 AML other m 2019-08-25T22:12:14.33
IV.MF5.EHE. ML:2.1 0.0006440031499999999 0.1408 AML other m 2019-08-25T22:12:14.44
IV.RM33.HNN. ML:2.0 0.00039571520000000006 1.872 AML other m 2019-08-25T22:12:14.02
IV.RM33.EHN. ML:2.0 0.00039436360000000005 1.8848 AML other m 2019-08-25T22:12:14.02
IV.CAMP.HHN. ML:1.7 0.0002064415 0.2176 AML other m 2019-08-25T22:12:15.28
IV.CAMP.HHE. ML:1.8 0.0002274523 0.2176 AML other m 2019-08-25T22:12:15.19
IV.SAP2.EHE. ML:2.2 0.00057943435 0.1408 AML other m 2019-08-25T22:12:15.96
IV.SAP2.EHN. ML:3.0 0.003509821 0.1408 AML other m 2019-08-25T22:12:15.94
IV.RM33.HNE. ML:2.1 0.0004891847500000001 1.8848 AML other m 2019-08-25T22:12:15.99
IV.RM33.EHE. ML:2.1 0.0004775005 1.8592 AML other m 2019-08-25T22:12:15.99
IV.TERO.HNE. ML:2.0 0.00029452775 0.3328 AML other m 2019-08-25T22:12:16.52
IV.TERO.HNN. ML:1.9 0.00024132209999999998 0.1024 AML other m 2019-08-25T22:12:16.68
IV.TERO.HHN. ML:2.1 0.0004335944 0.1152 AML other m 2019-08-25T22:12:16.68
IV.TERO.HHE. ML:2.2 0.0005633522 0.1152 AML other m 2019-08-25T22:12:16.80
IV.ASSB.HHN. ML:1.9 0.00022706805 0.2048 AML other m 2019-08-25T22:12:18.74
IV.ARRO.EHE. ML:1.7 0.0001726665 0.1536 AML other m 2019-08-25T22:12:19.14
IV.MNTT.EHE. ML:2.2 0.0005842018 0.256 AML other m 2019-08-25T22:12:19.24
IV.ARRO.EHN. ML:1.8 0.0001893356 0.1792 AML other m 2019-08-25T22:12:19.42
IV.MNTT.EHN. ML:2.4 0.0008438978000000001 0.3072 AML other m 2019-08-25T22:12:19.51
IV.MOMA.HNE. ML:2.1 0.00036087429999999995 0.1792 AML other m 2019-08-25T22:12:19.81
IV.MOMA.HHE. ML:2.2 0.00039715905000000003 0.1664 AML other m 2019-08-25T22:12:19.73
IV.GIGS.HHE. ML:1.4 0.000066248365 1.9232 AML other m 2019-08-25T22:12:19.03
IV.ASSB.HHE. ML:1.8 0.00018990794999999998 0.1152 AML other m 2019-08-25T22:12:20.06
IV.MOMA.HNN. ML:2.1 0.00036431999999999995 0.192 AML other m 2019-08-25T22:12:20.15
IV.MOMA.HHN. ML:2.1 0.0003364897 0.1792 AML other m 2019-08-25T22:12:20.15
IV.GIGS.HHN. ML:1.4 0.00005391674 0.0896 AML other m 2019-08-25T22:12:20.30
IV.SNTG.HNN. ML:1.6 0.00010319567499999999 0.1792 AML other m 2019-08-25T22:12:20.29
IV.CESX.HHN. ML:1.6 0.00010182021000000001 0.3328 AML other m 2019-08-25T22:12:20.16
IV.CESX.HHE. ML:1.6 0.00009432230999999999 0.2816 AML other m 2019-08-25T22:12:20.98
IV.SNTG.HHE. ML:1.5 0.00007342477000000001 0.1408 AML other m 2019-08-25T22:12:21.86
IV.SNTG.HNE. ML:1.5 0.000073988125 0.1664 AML other m 2019-08-25T22:12:21.00
IV.EL6.EHE. ML:1.9 0.00018552435 1.7824 AML other m 2019-08-25T22:12:22.02
IV.SNTG.HHN. ML:1.5 0.000075599815 0.3456 AML other m 2019-08-25T22:12:22.37
IV.FOSV.EHE. ML:1.6 0.00007207877 0.4608 AML other m 2019-08-25T22:12:22.61
IV.FIAM.HNN. ML:1.8 0.00013130876900000003 0.1536 AML other m 2019-08-25T22:12:22.94
IV.FIAM.HHN. ML:1.6 0.00006783114 0.1664 AML other m 2019-08-25T22:12:22.94
IV.FOSV.EHN. ML:1.7 0.00009244192500000001 0.2176 AML other m 2019-08-25T22:12:22.97
IV.FIAM.HHE. ML:1.7 0.00009834365000000001 0.2688 AML other m 2019-08-25T22:12:23.07
IV.ATCC.EHN. ML:1.7 0.00010944024999999999 1.7696 AML other m 2019-08-25T22:12:23.96
IV.EL6.EHN. ML:2.0 0.000242349095 0.1792 AML other m 2019-08-25T22:12:23.59
IV.ATCC.EHE. ML:1.7 0.00011067960499999998 0.2816 AML other m 2019-08-25T22:12:24.15
IV.VCEL.EHN. ML:2.0 0.00015944515 0.1664 AML other m 2019-08-25T22:12:26.89
IV.ARVD.HHE. ML:1.4 0.000036205895000000005 0.1152 AML other m 2019-08-25T22:12:28.39
IV.ARVD.HHN. ML:1.3 0.000032467635 0.2432 AML other m 2019-08-25T22:12:29.92
IV.FRON.EHN. ML:1.7 0.000060773235 0.3072 AML other m 2019-08-25T22:12:30.97
IV.T0110.HHN. ML:1.9 0.00011207917000000001 1.6544 AML other m 2019-08-25T22:12:30.94
IV.VCEL.EHE. ML:2.0 0.00015763095 0.4352 AML other m 2019-08-25T22:12:31.10
IV.T0110.HHE. ML:1.9 0.00010649224 0.2176 AML other m 2019-08-25T22:12:31.44
IV.FRON.EHE. ML:1.5 0.000042440185 0.1536 AML other m 2019-08-25T22:12:31.63
IV.NARO.HHE. ML:1.4 0.000025315575 0.256 AML other m 2019-08-25T22:12:39.05
IV.NARO.HHN. ML:1.3 0.000020361555 0.3072 AML other m 2019-08-25T22:12:40.24
IV.LPEL.HHN. ML:1.7 0.000032973935 0.1792 AML other m 2019-08-25T22:12:41.05
IV.LPEL.HHE. ML:1.7 0.000032501215 0.3712 AML other m 2019-08-25T22:12:47.66
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