Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 24-08-2017 and time 01:32:44 (Italy) in region 2 km S Ussita (MC)

A magnitude ML 1.9 earthquake occured in region: 2 km S Ussita (MC), on

  • 23-08-2017 23:32:44 (UTC)
  • 24-08-2017 01:32:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.1330 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
Ussita MC 2 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 4 1107 1832
Preci PG 9 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 12 121 2819
Fiastra MC 13 559 3378
Monte Cavallo MC 13 145 3523
Fiordimonte MC 13 202 3725
Norcia PG 15 4957 8682
Pieve Torina MC 15 1458 10140
Pievebovigliana MC 16 866 11006
Montemonaco AP 16 604 11610
Sellano PG 17 1079 12689
Montefortino FM 17 1178 13867
Sarnano MC 19 3264 17131
Montegallo AP 19 523 17654
Muccia MC 19 915 18569
Amandola FM 19 3629 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
95 Km W of Montesilvano (53738 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 2017-08-23
23:32:44		 42.9237 13.1327 11 2019-03-25
14:06:48		 Bollettino Sismico Italiano INGV 63024611
Reviewed
Rev100 		ML 2.0 2017-08-23
23:32:44		 42.9268 13.1397 11 2017-08-23
23:38:07		 Sala Sismica INGV-Roma 49313271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-23 23:32:44 ± 0.04
Latitude 42.9237 ± 0.0027
Longitude 13.1327 ± 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 63024611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 331
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 26
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 71
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.89842
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 44
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 63024611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-13 11:52:28

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 49313271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-23 23:38:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2017-08-23T23:33:05.95 0.6 undecidable manual S 346 65.5899 50 0.91 35
IV.CESX.HHZ. 2017-08-23T23:33:02.88 0.6 undecidable manual S 232 56.5989 50 0.24 44
IV.SACS.HHZ. 2017-08-23T23:33:02.37 0.3 undecidable manual P 266 99.7224 50 0.55 57
IV.ATCC.EHZ. 2017-08-23T23:33:01.09 0.6 undecidable manual S 306 49.3173 50 0.38 44
IV.CING.HHZ. 2017-08-23T23:33:01.24 0.6 undecidable manual S 6 50.4162 50 0.25 45
IV.MOMA.HHZ. 2017-08-23T23:33:01.28 0.6 undecidable manual S 254 47.619 50 1.02 34
IV.EL6.EHZ. 2017-08-23T23:33:00.08 0.6 undecidable manual S 357 45.0216 50 0.51 43
IV.ARRO.EHZ. 2017-08-23T23:33:00.60 0.6 undecidable manual S 218 48.5181 50 0.11 46
IV.T0110.HHZ. 2017-08-23T23:33:00.85 0.3 undecidable manual P 145 93.24 50 0.03 65
IV.RM33.EHZ. 2017-08-23T23:33:00.23 0.6 undecidable manual S 172 46.5201 50 0.28 45
IV.CAMP.HHZ. 2017-08-23T23:33:00.43 0.6 undecidable manual S 152 48.5181 50 -0.08 47
IV.APEC.HHZ. 2017-08-23T23:33:00.87 0.3 undecidable manual P 321 90.9423 50 0.4 60
IV.VCEL.EHZ. 2017-08-23T23:32:59.06 0.3 undecidable manual P 135 82.3509 50 -0.08 66
IV.MGAB.HHZ. 2017-08-23T23:32:59.53 0.3 undecidable manual P 270 82.9503 50 0.31 63
IV.COR1.EHZ. 2017-08-23T23:32:59.43 0.3 undecidable manual P 352 79.2651 50 0.76 54
IV.PIEI.HHZ. 2017-08-23T23:32:58.97 0.3 undecidable manual P 325 83.3499 50 -0.32 62
IV.SNTG.HHZ. 2017-08-23T23:32:58.10 0.6 undecidable manual S 337 39.9267 50 -0.09 47
IV.MNTP.HNZ. 2017-08-23T23:32:58.49 0.6 undecidable manual S 49 36.1416 50 1.3 30
IV.ATVO.HHZ. 2017-08-23T23:32:58.19 0.3 undecidable manual P 311 77.6667 50 -0.24 64
IV.SMA1.EHZ. 2017-08-23T23:32:57.55 0.6 undecidable manual S 153 36.4413 50 0.27 46
IV.T1299.EHZ. 2017-08-23T23:32:57.23 0.6 undecidable manual S 159 34.3434 50 0.52 43
IV.FRON.EHZ. 2017-08-23T23:32:57.61 0.1 undecidable manual P 334 73.6707 50 -0.19 87
IV.LNSS.HHZ. 2017-08-23T23:32:57.29 0.6 undecidable manual S 192 36.3414 50 0.04 48
IV.PP3.EHZ. 2017-08-23T23:32:56.94 0.3 undecidable manual P 37 63.492 50 0.71 57
IV.ARVD.HHZ. 2017-08-23T23:32:56.29 0.1 undecidable manual P 346 65.5899 50 -0.26 87
IV.ATFO.HHZ. 2017-08-23T23:32:56.62 0.1 undecidable manual P 317 66.8775 50 -0.14 89
IV.SSFR.HHZ. 2017-08-23T23:32:56.00 0.1 undecidable manual P 334 63.492 50 -0.24 88
IV.SEF1.HNZ. 2017-08-23T23:32:55.09 0.6 undecidable manual S 329 28.9488 50 -0.17 47
IV.MTRA.EHZ. 2017-08-23T23:32:54.75 0.6 undecidable manual S 131 28.3494 50 -0.36 46
IV.FOSV.EHZ. 2017-08-23T23:32:54.05 0.1 undecidable manual P 324 51.0156 50 -0.26 90
IV.CESX.HHZ. 2017-08-23T23:32:54.96 0.1 undecidable manual P 232 56.5989 50 -0.2 90
IV.TERO.HHZ. 2017-08-23T23:32:54.04 0.1 undecidable manual P 131 50.8158 50 -0.25 90
IV.OFFI.HHZ. 2017-08-23T23:32:54.11 0.3 undecidable manual P 88 44.9217 50 0.74 59
IV.T1247.HHZ. 2017-08-23T23:32:54.73 0.1 undecidable manual P 166 55.2003 50 -0.22 90
IV.CAMP.HHZ. 2017-08-23T23:32:53.56 0.1 undecidable manual P 152 48.5181 50 -0.37 88
IV.T1244.EHZ. 2017-08-23T23:32:53.82 0.6 undecidable manual S 144 22.8549 50 0.18 48
IV.MOMA.HHZ. 2017-08-23T23:32:53.62 0.1 undecidable manual P 254 47.619 50 -0.17 92
IV.ATCC.EHZ. 2017-08-23T23:32:53.90 0.1 undecidable manual P 306 49.3173 50 -0.16 92
IV.EL6.EHZ. 2017-08-23T23:32:53.10 0.1 undecidable manual P 357 45.0216 50 -0.29 90
IV.ARRO.EHZ. 2017-08-23T23:32:53.79 0.1 undecidable manual P 218 48.5181 50 -0.14 92
IV.CING.HHZ. 2017-08-23T23:32:53.93 0.1 undecidable manual P 6 50.4162 50 -0.28 89
IV.GUMA.HHZ. 2017-08-23T23:32:53.72 0.6 undecidable manual S 47 22.5552 50 0.16 48
IV.RM33.EHZ. 2017-08-23T23:32:53.43 0.1 undecidable manual P 172 46.5201 50 -0.18 92
IV.SNTG.HHZ. 2017-08-23T23:32:52.24 0.1 undecidable manual P 337 39.9267 50 -0.36 89
IV.MNTP.HNZ. 2017-08-23T23:32:52.42 0.3 undecidable manual P 49 36.1416 50 0.4 67
XO.AM05.HNZ. 2017-08-23T23:32:52.19 0.6 undecidable manual S 71 18.87 119 -0.25 48
IV.CESI.HHZ. 2017-08-23T23:32:52.91 0.6 undecidable manual S 296 20.5683 117 -0.07 49
IV.CSP1.EHE. 2017-08-23T23:32:52.33 0.3 undecidable manual S 17 19.5693 118 -0.32 70
IV.GAG1.HNZ. 2017-08-23T23:32:51.71 0.3 undecidable manual P 351 35.2425 50 -0.17 70
IV.MMO1.EHZ. 2017-08-23T23:32:51.39 0.6 undecidable manual S 100 15.9729 123 -0.2 48
IV.LNSS.HHZ. 2017-08-23T23:32:51.97 0.1 undecidable manual P 192 36.3414 50 -0.09 95
IV.SMA1.EHZ. 2017-08-23T23:32:51.75 0.1 undecidable manual P 153 36.4413 50 -0.32 91
IV.T1299.EHZ. 2017-08-23T23:32:51.67 0.1 negative manual P 159 34.3434 50 -0.07 96
IV.FDMO.HHZ. 2017-08-23T23:32:50.58 0.6 undecidable manual S 344 13.0758 129 -0.18 49
IV.MTRA.EHZ. 2017-08-23T23:32:50.52 0.1 undecidable manual P 131 28.3494 50 -0.29 93
IV.NRCA.HNZ. 2017-08-23T23:32:50.12 0.6 undecidable manual S 189 10.0788 136 0.11 50
IV.SEF1.HNZ. 2017-08-23T23:32:50.66 0.1 undecidable manual P 329 28.9488 50 -0.25 93
IV.T1256.HHZ. 2017-08-23T23:32:50.41 0.6 undecidable manual S 40 11.877 131 -0.05 50
IV.MC2.EHZ. 2017-08-23T23:32:49.43 0.6 undecidable manual S 107 4.7952 156 0.48 46
IV.GUMA.HHZ. 2017-08-23T23:32:49.95 0.1 positive manual P 47 22.5552 50 0.03 99
IV.CSP1.EHE. 2017-08-23T23:32:49.24 0.1 undecidable manual P 17 19.5693 118 -0.16 97
IV.FEMA.HNZ. 2017-08-23T23:32:49.87 0.6 undecidable manual S 302 7.9809 143 0.34 47
IV.T1244.EHZ. 2017-08-23T23:32:49.95 0.1 undecidable manual P 144 22.8549 50 -0.02 99
XO.AM05.HNZ. 2017-08-23T23:32:49.22 0.1 undecidable manual P 71 18.87 119 -0.05 99
IV.CESI.HHZ. 2017-08-23T23:32:49.54 0.1 positive manual P 296 20.5683 117 -0.04 99
IV.T1256.HHZ. 2017-08-23T23:32:48.19 0.1 undecidable manual P 40 11.877 131 0.06 100
IV.FDMO.HHZ. 2017-08-23T23:32:48.26 0.1 undecidable manual P 344 13.0758 129 -0.05 100
IV.MMO1.EHZ. 2017-08-23T23:32:48.76 0.1 undecidable manual P 100 15.9729 123 -0.03 100
IV.NRCA.HNZ. 2017-08-23T23:32:48.08 0.1 undecidable manual P 189 10.0788 136 0.21 97
IV.MC2.EHZ. 2017-08-23T23:32:47.65 0.1 undecidable manual P 107 4.7952 156 0.39 94
IV.FEMA.HNZ. 2017-08-23T23:32:47.88 0.1 undecidable manual P 302 7.9809 143 0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.4 0.0031950000000000004 0.92 AML other m 2017-08-23T23:32:49.49
IV.NRCA.HNE. ML:3.0 0.01135 0.18 AML other m 2017-08-23T23:32:50.29
IV.NRCA.HHE. ML:3.0 0.01255 0.16 AML other m 2017-08-23T23:32:50.28
IV.FEMA.HNN. ML:2.5 0.00439 0.08 AML other m 2017-08-23T23:32:50.28
IV.NRCA.HHN. ML:2.8 0.00787 0.16 AML other m 2017-08-23T23:32:50.70
IV.NRCA.HNN. ML:2.8 0.007135 0.18 AML other m 2017-08-23T23:32:50.71
IV.FDMO.HHE. ML:2.1 0.00149 0.2 AML other m 2017-08-23T23:32:50.72
IV.FDMO.HHN. ML:2.3 0.0022600000000000003 0.16 AML other m 2017-08-23T23:32:50.86
IV.T1256.HNN. ML:2.4 0.002595 0.34 AML other m 2017-08-23T23:32:50.65
IV.T1256.HHE. ML:2.4 0.002605 0.32 AML other m 2017-08-23T23:32:50.82
IV.T1256.HNE. ML:2.3 0.0024749999999999998 0.32 AML other m 2017-08-23T23:32:50.83
IV.T1256.HHN. ML:2.3 0.00244 1.18 AML other m 2017-08-23T23:32:51.64
IV.CESI.HHE. ML:2.5 0.00217 0.26 AML other m 2017-08-23T23:32:53.28
IV.CESI.HHN. ML:2.7 0.003345 0.24 AML other m 2017-08-23T23:32:53.28
IV.GUMA.HHE. ML:2.5 0.00198 1.46 AML other m 2017-08-23T23:32:54.81
IV.GUMA.HNN. ML:2.6 0.00234 1.48 AML other m 2017-08-23T23:32:54.93
IV.GUMA.HHN. ML:2.5 0.00201 1.48 AML other m 2017-08-23T23:32:54.94
IV.MTRA.EHE. ML:2.3 0.0011099999999999999 0.22 AML other m 2017-08-23T23:32:55.47
IV.GUMA.HNE. ML:2.4 0.00168 0.24 AML other m 2017-08-23T23:32:55.43
IV.MTRA.EHN. ML:2.5 0.0017800000000000001 0.3 AML other m 2017-08-23T23:32:55.62
IV.LNSS.HHE. ML:2.0 0.0003805 0.26 AML other m 2017-08-23T23:32:57.91
IV.SMA1.EHE. ML:1.8 0.000214 0.52 AML other m 2017-08-23T23:32:58.33
IV.T1299.EHE. ML:1.7 0.000212 0.42 AML other m 2017-08-23T23:32:58.38
IV.LNSS.HHN. ML:2.2 0.000583 0.88 AML other m 2017-08-23T23:32:58.25
IV.SNTG.HHE. ML:1.6 0.000132 0.96 AML other m 2017-08-23T23:32:58.88
IV.T1299.EHN. ML:1.6 0.00016149999999999997 0.16 AML other m 2017-08-23T23:32:59.40
IV.SNTG.HHN. ML:1.6 0.00014800000000000002 0.92 AML other m 2017-08-23T23:33:00.20
IV.SMA1.EHN. ML:1.8 0.000251 0.34 AML other m 2017-08-23T23:33:00.50
IV.CAMP.HHE. ML:1.8 0.00015500000000000003 0.22 AML other m 2017-08-23T23:33:01.06
IV.RM33.EHE. ML:1.8 0.0001855 0.66 AML other m 2017-08-23T23:33:01.21
IV.RM33.EHN. ML:1.8 0.000186 0.3 AML other m 2017-08-23T23:33:01.36
IV.TERO.HHN. ML:2.0 0.00023649999999999998 0.26 AML other m 2017-08-23T23:33:01.48
IV.ARRO.EHE. ML:2.0 0.0002395 0.16 AML other m 2017-08-23T23:33:01.55
IV.CING.HHE. ML:1.9 0.00020250000000000002 0.42 AML other m 2017-08-23T23:33:01.64
IV.CAMP.HHN. ML:1.4 0.00006765 0.9 AML other m 2017-08-23T23:33:01.68
IV.FOSV.EHN. ML:2.0 0.0002775 0.34 AML other m 2017-08-23T23:33:01.91
IV.TERO.HHE. ML:1.9 0.00019600000000000002 0.48 AML other m 2017-08-23T23:33:01.69
IV.MOMA.HHE. ML:1.9 0.00022 0.18 AML other m 2017-08-23T23:33:02.14
IV.ATCC.EHE. ML:2.0 0.00025550000000000003 0.38 AML other m 2017-08-23T23:33:02.30
IV.ATCC.EHN. ML:2.1 0.000314 0.96 AML other m 2017-08-23T23:33:02.30
IV.CING.HHN. ML:1.7 0.00014199999999999998 0.56 AML other m 2017-08-23T23:33:02.46
IV.ARRO.EHN. ML:1.8 0.000183 0.16 AML other m 2017-08-23T23:33:02.51
IV.MOMA.HHN. ML:1.7 0.0001255 1.06 AML other m 2017-08-23T23:33:02.76
IV.OFFI.HHN. ML:2.0 0.0003025 1.42 AML other m 2017-08-23T23:33:02.90
IV.EL6.EHN. ML:2.0 0.00028149999999999996 1.02 AML other m 2017-08-23T23:33:02.92
IV.FOSV.EHE. ML:1.7 0.0001185 1.7 AML other m 2017-08-23T23:33:03.89
IV.EL6.EHE. ML:2.0 0.000277 0.16 AML other m 2017-08-23T23:33:03.41
IV.CESX.HHN. ML:1.9 0.00017749999999999998 0.42 AML other m 2017-08-23T23:33:04.59
IV.CESX.HHE. ML:1.8 0.000141 0.5 AML other m 2017-08-23T23:33:04.38
IV.GIGS.HHN. ML:1.3 0.000036750000000000006 0.12 AML other m 2017-08-23T23:33:05.38
IV.GIGS.HHE. ML:1.3 0.000041 1.06 AML other m 2017-08-23T23:33:05.28
IV.T1247.HHN. ML:1.9 0.00016350000000000002 1.58 AML other m 2017-08-23T23:33:05.05
IV.MURB.HHE. ML:2.4 0.000528 0.38 AML other m 2017-08-23T23:33:06.45
IV.OFFI.HHE. ML:1.9 0.000228 1.46 AML other m 2017-08-23T23:33:06.77
IV.ATFO.HHE. ML:1.6 0.00006875 0.2 AML other m 2017-08-23T23:33:07.07
IV.T1247.HHE. ML:1.9 0.000182 0.3 AML other m 2017-08-23T23:33:07.20
IV.PP3.HNN. ML:2.2 0.0003415 0.72 AML other m 2017-08-23T23:33:08.39
IV.PP3.EHN. ML:2.2 0.000327 0.74 AML other m 2017-08-23T23:33:08.40
IV.PP3.HNE. ML:2.2 0.00028100000000000005 0.18 AML other m 2017-08-23T23:33:08.45
IV.PP3.EHE. ML:2.2 0.000277 0.18 AML other m 2017-08-23T23:33:08.45
IV.MURB.HHN. ML:2.2 0.0003445 0.3 AML other m 2017-08-23T23:33:08.56
IV.ARVD.HHN. ML:1.4 0.000050900000000000004 1.28 AML other m 2017-08-23T23:33:08.00
IV.ARVD.HHE. ML:1.6 0.00006295 0.14 AML other m 2017-08-23T23:33:08.82
IV.FRON.EHN. ML:1.6 0.0000666 1.7 AML other m 2017-08-23T23:33:10.13
IV.ATFO.HHN. ML:1.5 0.000056999999999999996 0.28 AML other m 2017-08-23T23:33:11.50
IV.PIEI.HHN. ML:1.6 0.000051099999999999995 0.14 AML other m 2017-08-23T23:33:11.51
IV.PIEI.HHE. ML:1.7 0.00006145 0.16 AML other m 2017-08-23T23:33:11.64
IV.FRON.EHE. ML:1.5 0.000049500000000000004 0.62 AML other m 2017-08-23T23:33:12.33
IV.ATVO.HHN. ML:1.7 0.00006855 1.04 AML other m 2017-08-23T23:33:12.68
IV.VCEL.EHE. ML:2.0 0.0001177 1.52 AML other m 2017-08-23T23:33:12.88
IV.ATVO.HHE. ML:1.6 0.000058500000000000006 1.26 AML other m 2017-08-23T23:33:13.31
IV.APEC.HHN. ML:1.5 0.0000378 0.28 AML other m 2017-08-23T23:33:14.19
IV.APEC.HHE. ML:1.5 0.00004149999999999999 0.86 AML other m 2017-08-23T23:33:17.33
IV.SACS.HHN. ML:1.3 0.00002215 0.48 AML other m 2017-08-23T23:33:17.62
IV.VCEL.EHN. ML:1.9 0.0001105 0.44 AML other m 2017-08-23T23:33:18.96
IV.T0110.HHN. ML:1.7 0.0000616 1.1 AML other m 2017-08-23T23:33:19.26
IV.SACS.HHE. ML:1.4 0.00002555 0.42 AML other m 2017-08-23T23:33:20.39
IV.T0110.HHE. ML:1.9 0.00007775 0.36 AML other m 2017-08-23T23:33:26.20
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