Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 12-08-2019 and time 07:21:51 (Italy) in region 4 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 4 km SE Castelsantangelo sul Nera (MC), on

  • 12-08-2019 05:21:51 (UTC)
  • 12-08-2019 07:21:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8780, 13.1940 at 8 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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 9 444 725
Visso MC 10 1107 1832
Montemonaco AP 11 604 2436
Montegallo AP 12 523 2959
Norcia PG 13 4957 7916
Preci PG 13 724 8640
Bolognola MC 13 142 8782
Montefortino FM 14 1178 9960
Arquata del Tronto AP 14 1178 11138
Acquacanina MC 17 121 11259
Amandola FM 18 3629 14888
Fiastra MC 18 559 15447
Fiordimonte MC 20 202 15649
Sarnano MC 20 3264 18913

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 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 1.6 2019-08-12
05:21:51		 42.8782 13.1938 8 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71625951
Reviewed
Rev100 		ML 1.6 2019-08-12
05:21:51		 42.8783 13.2043 9 2019-08-12
05:29:41		 Sala Sismica INGV-Roma 71404021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-12 05:21:51 ± 0.05
Latitude 42.8782 ± 0.0027
Longitude 13.1938 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71625951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 315
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.52251
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 21
Type of magnitude ML
Reference to an origin 71625951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-19 14:15:02

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 71404021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-12 05:29:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2019-08-12T05:22:10.32 0.3 undecidable manual S 323 57.9975 50 0.64 59
IV.EL6.EHZ. 2019-08-12T05:22:08.27 0.3 undecidable manual S 352 50.616 50 0.56 62
IV.MOMA.HHZ. 2019-08-12T05:22:08.34 0.3 undecidable manual S 261 51.4152 50 0.42 64
IV.GIGS.HHZ. 2019-08-12T05:22:08.96 0.6 undecidable manual S 147 56.3991 50 -0.28 44
IV.SNTG.HHZ. 2019-08-12T05:22:06.61 0.3 undecidable manual S 334 46.62 50 -0.02 71
IV.ASSB.HHZ. 2019-08-12T05:22:06.97 0.3 undecidable manual S 293 47.1195 50 0.2 68
IV.RM33.EHZ. 2019-08-12T05:22:05.55 0.3 undecidable manual S 178 41.0256 50 0.41 66
IV.TERO.HHZ. 2019-08-12T05:22:05.77 0.6 undecidable manual S 130 43.8228 50 -0.12 46
IV.CAMP.HHZ. 2019-08-12T05:22:05.20 0.1 undecidable manual S 155 41.8248 50 -0.16 92
IV.LNSS.HHZ. 2019-08-12T05:22:03.17 0.3 undecidable manual S 202 33.0447 104 0.21 70
IV.MML1.HNE. 2019-08-12T05:22:02.21 0.1 undecidable manual S 325 31.746 105 -0.32 91
IV.SAP2.EHE. 2019-08-12T05:22:02.48 0.3 undecidable manual S 34 29.4483 106 0.72 60
IV.GIGS.HHZ. 2019-08-12T05:22:01.36 0.1 undecidable manual P 147 56.3991 50 -0.23 89
IV.PF6.EHN. 2019-08-12T05:22:01.25 0.3 undecidable manual S 0 28.8489 106 -0.31 69
IV.FOSV.EHZ. 2019-08-12T05:22:01.64 0.1 undecidable manual P 323 57.9975 50 -0.21 89
IV.MF5.EHZ. 2019-08-12T05:22:01.13 0.3 undecidable manual S 61 24.753 109 0.91 56
IV.SMA1.EHN. 2019-08-12T05:22:01.83 0.3 undecidable manual S 157 29.748 106 -0.05 72
IV.CESI.HHE. 2019-08-12T05:22:01.24 0.3 undecidable manual S 301 27.3504 107 0.16 71
IV.EL6.EHZ. 2019-08-12T05:22:00.45 0.1 undecidable manual P 352 50.616 50 -0.26 89
IV.GUMA.HNN. 2019-08-12T05:22:00.16 0.3 undecidable manual S 29 23.4543 110 0.37 69
IV.MOMA.HHZ. 2019-08-12T05:22:00.89 0.1 undecidable manual P 261 51.4152 50 0.06 93
IV.SNTG.HHZ. 2019-08-12T05:21:59.80 0.1 undecidable manual P 334 46.62 50 -0.28 89
IV.CSP1.EHZ. 2019-08-12T05:21:59.77 0.3 undecidable manual S 2 23.754 109 -0.1 72
IV.CAMP.HHZ. 2019-08-12T05:21:59.02 0.1 undecidable manual P 155 41.8248 50 -0.33 89
IV.ASSB.HHZ. 2019-08-12T05:21:59.91 0.1 undecidable manual P 293 47.1195 50 -0.26 90
IV.RM33.EHZ. 2019-08-12T05:21:59.05 0.1 undecidable manual P 178 41.0256 50 -0.17 92
IV.TERO.HHZ. 2019-08-12T05:21:59.38 0.3 undecidable manual P 130 43.8228 50 -0.28 67
IV.MTRA.EHZ. 2019-08-12T05:21:59.31 0.3 undecidable manual S 129 21.2676 111 0.22 71
IV.LNSS.HHZ. 2019-08-12T05:21:58.03 0.1 undecidable manual P 202 33.0447 104 0.07 96
IV.SAP2.EHE. 2019-08-12T05:21:57.59 0.3 undecidable manual P 34 29.4483 106 0.32 69
IV.FEMA.HNE. 2019-08-12T05:21:57.25 0.3 undecidable manual S 309 14.9739 119 0.16 73
IV.T1299.HNN. 2019-08-12T05:21:57.14 0.1 undecidable manual P 165 27.9498 107 0.14 95
IV.MML1.HNE. 2019-08-12T05:21:57.42 0.1 undecidable manual P 325 31.746 105 -0.3 91
IV.SMA1.EHN. 2019-08-12T05:21:57.21 0.1 undecidable manual P 157 29.748 106 -0.13 95
IV.CESI.HHE. 2019-08-12T05:21:56.89 0.1 undecidable manual P 301 27.3504 107 0.01 98
IV.CSP1.EHZ. 2019-08-12T05:21:56.09 0.1 undecidable manual P 2 23.754 109 -0.09 97
IV.PF6.EHN. 2019-08-12T05:21:56.94 0.1 undecidable manual P 0 28.8489 106 -0.22 93
IV.MF5.EHZ. 2019-08-12T05:21:56.70 0.1 undecidable manual P 61 24.753 109 0.31 92
IV.GUMA.HNN. 2019-08-12T05:21:55.24 0.1 undecidable manual P 29 23.4543 110 -0.9 75
IV.MTRA.EHZ. 2019-08-12T05:21:55.95 0.1 undecidable manual P 129 21.2676 111 0.22 95
IT.MTCL.HGZ. 2019-08-12T05:21:55.63 0.3 undecidable manual P 309 20.3685 112 0.08 73
IV.NRCA.HNZ. 2019-08-12T05:21:55.31 0.6 undecidable manual S 233 8.1807 136 0.11 49
IV.MMO1.EHZ. 2019-08-12T05:21:55.66 0.3 undecidable manual S 78 11.0778 127 -0.3 71
IV.FEMA.HNE. 2019-08-12T05:21:54.79 0.1 undecidable manual P 309 14.9739 119 0.21 96
IV.MMO1.EHZ. 2019-08-12T05:21:53.96 0.1 undecidable manual P 78 11.0778 127 0.04 100
IV.MC2.EHZ. 2019-08-12T05:21:53.92 0.3 undecidable manual S 354 3.6963 156 -0.41 70
IV.NRCA.HNZ. 2019-08-12T05:21:53.74 0.1 undecidable manual P 233 8.1807 136 0.26 96
IV.MC2.EHZ. 2019-08-12T05:21:52.81 0.1 undecidable manual P 354 3.6963 156 -0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.3 0.0029249999999999996 0.42 AML other m 2019-08-12T05:21:55.71
IV.NRCA.HHE. ML:2.3 0.00314 0.44 AML other m 2019-08-12T05:21:55.72
IV.NRCA.HHN. ML:2.4 0.00375 0.66 AML other m 2019-08-12T05:21:55.41
IV.NRCA.HNN. ML:2.3 0.00348 0.66 AML other m 2019-08-12T05:21:55.41
IV.LNSS.HHE. ML:1.7 0.00022 0.32 AML other m 2019-08-12T05:22:03.81
IV.LNSS.HHN. ML:1.8 0.00027949999999999996 0.2 AML other m 2019-08-12T05:22:03.85
IV.CAMP.HHE. ML:1.1 0.00004475 0.7 AML other m 2019-08-12T05:22:05.46
IV.TERO.HHE. ML:1.7 0.0001645 0.16 AML other m 2019-08-12T05:22:06.37
IV.TERO.HHN. ML:1.8 0.000203 0.54 AML other m 2019-08-12T05:22:06.26
IV.RM33.EHN. ML:1.2 0.000062 0.28 AML other m 2019-08-12T05:22:07.12
IV.SNTG.HHE. ML:1.3 0.000058700000000000004 0.14 AML other m 2019-08-12T05:22:07.46
IV.SNTG.HHN. ML:1.4 0.00007000000000000001 0.2 AML other m 2019-08-12T05:22:07.70
IV.ASSB.HHE. ML:1.4 0.00006805 0.3 AML other m 2019-08-12T05:22:08.25
IV.ASSB.HHN. ML:1.4 0.00007999999999999999 0.24 AML other m 2019-08-12T05:22:09.71
IV.EL6.EHN. ML:1.8 0.00014649999999999998 0.96 AML other m 2019-08-12T05:22:10.13
IV.EL6.EHE. ML:1.7 0.000131 0.66 AML other m 2019-08-12T05:22:10.71
IV.MOMA.HHN. ML:1.4 0.000067 0.16 AML other m 2019-08-12T05:22:10.75
IV.RM33.EHE. ML:1.3 0.00007235392 0.2208 AML other m 2019-08-12T05:22:06.00
IV.MOMA.HHE. ML:1.6 0.00008865146000000001 0.24 AML other m 2019-08-12T05:22:09.92
IV.GIGS.HHN. ML:0.8 0.000014730265 0.16 AML other m 2019-08-12T05:22:10.31
IV.GIGS.HHE. ML:0.8 0.000016566815 0.1216 AML other m 2019-08-12T05:22:10.32
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