Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 14-08-2019 and time 23:37:17 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km E Norcia (PG), on

  • 14-08-2019 21:37:17 (UTC)
  • 14-08-2019 23:37:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.1140 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 2 4957 4957
Preci PG 11 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 15 1107 10286
Arquata del Tronto AP 15 1178 11464
Accumoli RI 16 667 12131
Cerreto di Spoleto PG 16 1075 13206
Ussita MC 17 444 13650
Poggiodomo PG 17 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
100 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 1.5 2019-08-14
21:37:17		 42.7968 13.1142 10 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73527331
Reviewed
Rev100 		ML 1.5 2019-08-14
21:37:17		 42.7958 13.1147 10 2019-08-14
21:47:09		 Sala Sismica INGV-Roma 71495061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-14 21:37:17 ± 0.04
Latitude 42.7968 ± 0.0018
Longitude 13.1142 ± 0.0037
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 73527331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 281
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.53240
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 73527331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-30 02:06:51

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 71495061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-14 21:47:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2019-08-14T21:37:32.08 0.3 undecidable manual S 307 45.9207 50 0.02 72
IV.MOMA.HHZ. 2019-08-14T21:37:32.74 0.6 undecidable manual S 271 44.3223 50 1.12 33
IV.MF5.EHZ. 2019-08-14T21:37:30.02 0.3 undecidable manual S 53 35.1426 50 0.84 57
IV.ARRO.EHZ. 2019-08-14T21:37:29.95 0.3 undecidable manual S 230 37.3293 50 0.21 70
IV.RM33.EHZ. 2019-08-14T21:37:28.50 0.3 undecidable manual S 166 32.9448 50 -0.09 72
IV.CSP1.EHZ. 2019-08-14T21:37:28.69 0.3 undecidable manual S 13 33.5442 50 -0.06 73
IV.CESI.HHZ. 2019-08-14T21:37:27.21 0.3 undecidable manual S 324 28.6491 50 -0.24 71
IV.EL6.EHZ. 2019-08-14T21:37:27.77 0.1 undecidable manual P 359 59.0964 50 0 94
IV.MTRA.EHZ. 2019-08-14T21:37:26.00 0.3 undecidable manual S 101 23.4543 114 0 75
IV.SNTG.HHZ. 2019-08-14T21:37:26.72 0.1 undecidable manual P 345 52.7028 50 -0.08 93
IV.GIGS.HHZ. 2019-08-14T21:37:26.52 0.3 undecidable manual P 135 53.4021 50 -0.38 65
IV.SMA1.EHZ. 2019-08-14T21:37:26.52 0.3 undecidable manual S 136 25.752 50 -0.15 72
IV.FDMO.HHZ. 2019-08-14T21:37:26.53 0.6 undecidable manual S 355 26.6511 50 -0.38 46
IV.MOMA.HHZ. 2019-08-14T21:37:25.79 0.1 undecidable manual P 271 44.3223 50 0.29 91
IV.LNSS.HHZ. 2019-08-14T21:37:25.67 0.3 undecidable manual S 196 22.3554 115 0.01 75
IV.TERO.HHZ. 2019-08-14T21:37:25.25 0.3 undecidable manual P 116 44.3223 50 -0.26 68
IT.MTCL.HGZ. 2019-08-14T21:37:25.72 0.6 undecidable manual S 337 23.754 113 -0.4 46
IV.MMO1.EHZ. 2019-08-14T21:37:25.05 0.3 undecidable manual S 57 20.6682 116 -0.1 74
IV.GAVE.EHZ. 2019-08-14T21:37:25.26 0.3 undecidable manual S 237 21.3675 116 -0.09 74
IV.ASSB.HHZ. 2019-08-14T21:37:25.56 0.1 undecidable manual P 307 45.9207 50 -0.19 92
IV.T1299.HNN. 2019-08-14T21:37:25.98 0.6 undecidable manual S 143 22.6551 114 0.22 48
IV.ARRO.EHZ. 2019-08-14T21:37:24.49 0.1 undecidable manual P 230 37.3293 50 0.07 96
IV.CAMP.HHZ. 2019-08-14T21:37:24.27 0.1 undecidable manual P 140 37.629 50 -0.2 93
IV.FEMA.HNE. 2019-08-14T21:37:24.55 0.6 undecidable manual S 344 19.0698 118 -0.1 49
IV.MF5.EHZ. 2019-08-14T21:37:24.46 0.1 undecidable manual P 53 35.1426 50 0.37 91
IV.MC2.EHZ. 2019-08-14T21:37:23.45 0.3 undecidable manual S 26 14.0748 126 0.28 72
IV.RM33.EHZ. 2019-08-14T21:37:23.60 0.1 undecidable manual P 166 32.9448 50 -0.15 95
IV.CSP1.EHZ. 2019-08-14T21:37:23.83 0.1 undecidable manual P 13 33.5442 50 -0.01 98
IV.FDMO.HHZ. 2019-08-14T21:37:22.63 0.1 undecidable manual P 355 26.6511 50 -0.15 96
IV.T1299.HNN. 2019-08-14T21:37:22.22 0.1 undecidable manual P 143 22.6551 114 0.1 98
IV.MTRA.EHZ. 2019-08-14T21:37:22.13 0.1 undecidable manual P 101 23.4543 114 -0.12 97
IV.CESI.HHZ. 2019-08-14T21:37:22.99 0.1 undecidable manual P 324 28.6491 50 -0.1 97
IV.LNSS.HHZ. 2019-08-14T21:37:22.13 0.1 undecidable manual P 196 22.3554 115 0.07 99
IT.MTCL.HGZ. 2019-08-14T21:37:22.10 0.3 undecidable manual P 337 23.754 113 -0.22 71
IV.SMA1.EHZ. 2019-08-14T21:37:22.54 0.1 undecidable manual P 136 25.752 50 -0.11 97
IV.GAVE.EHZ. 2019-08-14T21:37:21.91 0.1 undecidable manual P 237 21.3675 116 0.03 100
IV.FEMA.HNE. 2019-08-14T21:37:21.52 0.1 undecidable manual P 344 19.0698 118 0.05 100
IV.MMO1.EHZ. 2019-08-14T21:37:21.79 0.1 undecidable manual P 57 20.6682 116 0.03 100
IV.NRCA.HNZ. 2019-08-14T21:37:20.73 0.3 undecidable manual S 0 4.0959 158 -0.22 74
IV.MC2.EHZ. 2019-08-14T21:37:20.92 0.1 undecidable manual P 26 14.0748 126 0.3 95
IV.NRCA.HNZ. 2019-08-14T21:37:19.49 0.1 undecidable manual P 0 4.0959 158 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.6 0.0060685975 0.1536 AML other m 2019-08-14T21:37:20.87
IV.NRCA.HNE. ML:2.6 0.006000352 0.1408 AML other m 2019-08-14T21:37:20.86
IV.NRCA.HNN. ML:2.5 0.00540515 0.1024 AML other m 2019-08-14T21:37:20.84
IV.NRCA.HHN. ML:2.6 0.0063342615000000005 0.1152 AML other m 2019-08-14T21:37:20.85
IV.MF5.EHN. ML:1.3 0.00007446598 0.0992 AML other m 2019-08-14T21:37:24.79
IV.GAVE.EHN. ML:1.7 0.0003661399 0.2688 AML other m 2019-08-14T21:37:25.70
IV.MTRA.HNN. ML:1.8 0.00041778284999999997 0.192 AML other m 2019-08-14T21:37:26.25
IV.GAVE.EHE. ML:1.8 0.0004640499 0.2944 AML other m 2019-08-14T21:37:26.37
IV.GAVE.HNE. ML:1.8 0.00044889935 0.2816 AML other m 2019-08-14T21:37:26.37
IV.LNSS.HHN. ML:1.5 0.0002182634 0.1792 AML other m 2019-08-14T21:37:26.57
IV.LNSS.HNN. ML:1.5 0.00021614805649999998 0.1664 AML other m 2019-08-14T21:37:26.48
IV.SNTG.HHE. ML:0.8 0.00001593102428 0.0544 AML other m 2019-08-14T21:37:26.60
IV.LNSS.HHE. ML:1.5 0.00021197464999999998 0.1408 AML other m 2019-08-14T21:37:26.76
IV.LNSS.HNE. ML:1.5 0.00020942899999999996 0.1408 AML other m 2019-08-14T21:37:26.69
IV.MTRA.EHE. ML:1.9 0.0005653387 0.192 AML other m 2019-08-14T21:37:26.68
IV.MTRA.HNE. ML:1.9 0.000562563 0.1792 AML other m 2019-08-14T21:37:26.69
IV.FDMO.HHN. ML:1.5 0.0001677535 0.192 AML other m 2019-08-14T21:37:26.81
IV.MTRA.EHN. ML:1.8 0.0004268254 0.1408 AML other m 2019-08-14T21:37:26.76
IV.FDMO.HHE. ML:1.6 0.00023061669999999997 0.2048 AML other m 2019-08-14T21:37:27.25
IV.CESI.HHN. ML:1.7 0.00027573214999999994 0.256 AML other m 2019-08-14T21:37:27.46
IV.CESI.HHE. ML:1.4 0.00011463527500000002 0.1536 AML other m 2019-08-14T21:37:27.32
IV.CESI.HNE. ML:1.4 0.0001241208 0.1792 AML other m 2019-08-14T21:37:27.41
IV.SMA1.EHN. ML:1.5 0.0001854068 1.7184 AML other m 2019-08-14T21:37:27.98
IV.CSP1.EHE. ML:1.2 0.000077043115 0.2048 AML other m 2019-08-14T21:37:29.31
IV.CAMP.HHE. ML:0.9 0.000031023595 0.2432 AML other m 2019-08-14T21:37:29.81
IV.SMA1.EHE. ML:1.6 0.000234666 0.448 AML other m 2019-08-14T21:37:30.25
IV.CSP1.EHN. ML:1.3 0.00008185388 0.2432 AML other m 2019-08-14T21:37:30.87
IV.TERO.HHE. ML:1.4 0.00007498555000000001 0.0768 AML other m 2019-08-14T21:37:32.15
IV.GAVE.HNN. ML:1.5 0.00021688865000000002 1.1424 AML other m 2019-08-14T21:37:32.74
IV.SNTG.HNE. ML:1.7 0.00012754875 1.1168 AML other m 2019-08-14T21:37:32.30
IV.ASSB.HHN. ML:1.2 0.000048838225 1.8208 AML other m 2019-08-14T21:37:32.05
IV.TERO.HHN. ML:1.3 0.00005512931 0.0768 AML other m 2019-08-14T21:37:33.08
IV.ASSB.HHE. ML:1.3 0.000057924379999999996 0.1792 AML other m 2019-08-14T21:37:33.76
IV.CAMP.HHN. ML:1.1 0.00004304526 0.9888 AML other m 2019-08-14T21:37:35.57
IV.SNTG.HHN. ML:1.1 0.000030629104999999995 0.2048 AML other m 2019-08-14T21:37:35.33
IV.CESI.HNN. ML:2.5 0.0014731 0.8832 AML other m 2019-08-14T21:37:36.21
IV.MF5.EHE. ML:1.4 0.00009170285 0.8064 AML other m 2019-08-14T21:37:36.52
IV.TERO.HNN. ML:1.3 0.000059208787 0.512 AML other m 2019-08-14T21:37:36.60
IV.EL6.EHE. ML:1.5 0.0000646514 0.1792 AML other m 2019-08-14T21:37:37.61
IV.TERO.HNE. ML:2.0 0.0003154599 0.9376 AML other m 2019-08-14T21:37:41.00
IV.SNTG.HNN. ML:2.0 0.00022259869999999998 0.7584 AML other m 2019-08-14T21:37:44.56
IV.GIGS.HHE. ML:0.8 0.000015189319999999998 0.8736 AML other m 2019-08-14T21:37:45.79
IV.GIGS.HHN. ML:0.9 0.00001871454 0.6048 AML other m 2019-08-14T21:37:50.21
IV.EL6.EHN. ML:1.6 0.00008522449 1.7408 AML other m 2019-08-14T21:37:50.94
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