Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 24-07-2019 and time 10:59:13 (Italy) in region 3 km SW Amatrice (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km SW Amatrice (RI), on

  • 24-07-2019 08:59:13 (UTC)
  • 24-07-2019 10:59:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6150, 13.2550 at 14 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
Amatrice RI 3 2657 2657
Cittareale RI 8 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 11 665 7052
Campotosto AQ 11 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Cagnano Amiterno AQ 17 1369 10274
Arquata del Tronto AP 18 1178 11452
Barete AQ 18 737 12189
Crognaleto TE 20 1297 13486
Pizzoli AQ 20 4326 17812

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
97 Km E of Viterbo (67173 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 1.7 2019-07-24
08:59:13		 42.6147 13.2553 14 2019-11-13
14:31:06		 Bollettino Sismico Italiano INGV 73258541
Reviewed
Rev100 		ML 1.8 2019-07-24
08:59:13		 42.6263 13.2442 12 2019-07-24
09:08:33		 Sala Sismica INGV-Roma 70840811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-24 08:59:13 ± 0.11
Latitude 42.6147 ± 0.0045
Longitude 13.2553 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73258541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
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 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.52251
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 73258541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 22:26:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 70840811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-24 09:08:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.MMP1.HGE. 2019-07-24T08:59:32.52 0.6 undecidable manual S 226 57.9975 93 0.82 37
IV.GUMA.HNN. 2019-07-24T08:59:30.47 0.3 undecidable manual S 7 50.1165 94 0.88 54
IV.CESI.HHE. 2019-07-24T08:59:30.32 0.6 undecidable manual S 327 51.8037 93 0.27 44
IT.MTCL.HGZ. 2019-07-24T08:59:28.96 0.6 undecidable manual S 334 46.9197 94 0.21 45
IV.ARRO.EHZ. 2019-07-24T08:59:27.12 0.6 undecidable manual S 265 40.2264 95 0.17 46
IV.FEMA.HNE. 2019-07-24T08:59:27.42 0.3 undecidable manual S 337 42.0246 95 -0.01 69
IV.GAVE.EHZ. 2019-07-24T08:59:24.00 0.3 undecidable manual S 286 30.747 98 -0.43 63
IV.MMO1.EHZ. 2019-07-24T08:59:24.50 0.3 undecidable manual S 10 32.1456 97 -0.3 67
IV.GIGS.HHZ. 2019-07-24T08:59:24.90 0.3 undecidable manual S 125 31.5462 97 0.25 67
IV.CESI.HHE. 2019-07-24T08:59:23.43 0.1 undecidable manual P 327 51.8037 93 0.27 88
IT.MMP1.HGE. 2019-07-24T08:59:23.72 0.1 undecidable manual P 226 57.9975 93 -0.39 83
IV.FDMO.HHZ. 2019-07-24T08:59:22.68 0.3 undecidable manual P 344 48.7179 94 0 69
IV.FEMA.HNE. 2019-07-24T08:59:22.34 0.1 undecidable manual P 337 42.0246 95 0.69 80
IV.MF5.EHZ. 2019-07-24T08:59:22.51 0.1 undecidable manual P 22 44.622 94 0.47 85
IT.MTCL.HGZ. 2019-07-24T08:59:22.48 0.1 undecidable manual P 334 46.9197 94 0.08 92
IV.GUMA.HNN. 2019-07-24T08:59:22.71 0.1 undecidable manual P 7 50.1165 94 -0.18 88
IV.NRCA.HHZ. 2019-07-24T08:59:22.70 0.3 undecidable manual S 335 26.8509 100 -0.72 57
IV.ARRO.EHZ. 2019-07-24T08:59:21.18 0.1 undecidable manual P 265 40.2264 95 -0.19 89
IV.MTRA.HNZ. 2019-07-24T08:59:21.00 0.3 undecidable manual S 36 19.4694 107 -0.5 66
IV.FAGN.HHZ. 2019-07-24T08:59:21.25 0.1 undecidable manual P 145 47.1195 94 -1.18 63
IV.FIAM.HHE. 2019-07-24T08:59:21.69 0.1 undecidable manual P 196 40.1265 95 0.34 88
IV.GIGS.HHZ. 2019-07-24T08:59:20.21 0.1 undecidable manual P 125 31.5462 97 0.17 91
IV.MC2.EHZ. 2019-07-24T08:59:20.26 0.1 undecidable manual P 351 33.3444 97 -0.06 93
IV.LNSS.HHZ. 2019-07-24T08:59:20.70 0.3 undecidable manual S 266 17.5713 111 -0.33 67
IV.MMO1.EHZ. 2019-07-24T08:59:20.02 0.1 undecidable manual P 10 32.1456 97 -0.11 93
IV.CAMP.HHE. 2019-07-24T08:59:20.60 0.3 undecidable manual S 125 15.2736 116 0.14 70
IV.RM33.EHZ. 2019-07-24T08:59:19.80 0.3 undecidable manual S 196 12.1767 126 0.05 73
IV.NRCA.HHZ. 2019-07-24T08:59:19.02 0.1 undecidable manual P 335 26.8509 100 -0.31 89
IV.GAVE.EHZ. 2019-07-24T08:59:19.71 0.1 positive manual P 286 30.747 98 -0.2 90
IV.MTRA.HNZ. 2019-07-24T08:59:18.14 0.1 undecidable manual P 36 19.4694 107 -0.08 96
IV.SMA1.EHZ. 2019-07-24T08:59:18.70 0.3 undecidable manual S 75 6.7932 147 -0.04 74
IV.CAMP.HHE. 2019-07-24T08:59:17.48 0.3 undecidable manual P 125 15.2736 116 -0.14 72
IV.RM33.EHZ. 2019-07-24T08:59:17.49 0.1 positive manual P 196 12.1767 126 0.28 93
IV.LNSS.HHZ. 2019-07-24T08:59:17.92 0.1 positive manual P 266 17.5713 111 -0.03 96
IV.SMA1.EHZ. 2019-07-24T08:59:16.86 0.1 positive manual P 75 6.7932 147 0.23 95
IV.T1299.EHE. 2019-07-24T08:59:16.40 0.1 undecidable manual P 45 3.0969 164 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.0 0.0013331845 0.864 AML other m 2019-07-24T08:59:19.13
IV.SMA1.EHE. ML:2.6 0.00431017 0.2624 AML other m 2019-07-24T08:59:18.99
IV.RM33.HNE. ML:1.9 0.0007575134500000001 0.192 AML other m 2019-07-24T08:59:20.30
IV.RM33.EHE. ML:1.9 0.00075402775 0.1792 AML other m 2019-07-24T08:59:20.31
IV.RM33.EHN. ML:1.7 0.00053443415 0.1024 AML other m 2019-07-24T08:59:20.15
IV.RM33.HNN. ML:1.7 0.0005226634500000001 0.1024 AML other m 2019-07-24T08:59:20.14
IV.LNSS.HNE. ML:1.6 0.00028727144999999996 0.16 AML other m 2019-07-24T08:59:20.95
IV.LNSS.HNN. ML:1.6 0.0002855394 0.2112 AML other m 2019-07-24T08:59:20.83
IV.LNSS.HHE. ML:1.6 0.00031796105 0.1024 AML other m 2019-07-24T08:59:21.60
IV.LNSS.HHN. ML:1.6 0.00031791524999999997 0.2176 AML other m 2019-07-24T08:59:20.83
IV.MTRA.HNE. ML:1.9 0.0006319848 0.3392 AML other m 2019-07-24T08:59:21.95
IV.MTRA.EHN. ML:1.9 0.0005984962000000001 0.1856 AML other m 2019-07-24T08:59:21.43
IV.MTRA.HNN. ML:1.9 0.00059770865 0.1792 AML other m 2019-07-24T08:59:21.43
IV.MTRA.EHE. ML:1.9 0.0006356355499999999 0.3392 AML other m 2019-07-24T08:59:21.95
IV.NRCA.HHN. ML:1.8 0.00031606415 0.16 AML other m 2019-07-24T08:59:22.87
IV.NRCA.HNN. ML:1.7 0.0002594262 0.16 AML other m 2019-07-24T08:59:22.87
IV.NRCA.HHE. ML:2.0 0.000484947 0.1024 AML other m 2019-07-24T08:59:23.27
IV.NRCA.HNE. ML:1.9 0.0004411395 0.0896 AML other m 2019-07-24T08:59:23.26
IV.GAVE.HNN. ML:1.7 0.00020787945000000002 0.6592 AML other m 2019-07-24T08:59:24.14
IV.GAVE.HNE. ML:1.7 0.0002234902 0.1664 AML other m 2019-07-24T08:59:25.44
IV.GAVE.EHE. ML:1.7 0.00021181660000000002 0.1792 AML other m 2019-07-24T08:59:25.44
IV.GAVE.EHN. ML:1.6 0.0001996169 0.2624 AML other m 2019-07-24T08:59:24.27
IV.GIGS.HHN. ML:1.0 0.000041667745 0.1216 AML other m 2019-07-24T08:59:25.08
IV.GIGS.HHE. ML:1.0 0.00004537892 0.096 AML other m 2019-07-24T08:59:25.24
IV.MF5.EHN. ML:1.5 0.00008311382 0.2368 AML other m 2019-07-24T08:59:29.30
IV.MF5.EHE. ML:1.4 0.00006873037 0.3392 AML other m 2019-07-24T08:59:29.26
IV.FDMO.HHE. ML:1.2 0.0000379333 0.1792 AML other m 2019-07-24T08:59:30.00
IV.FDMO.HHN. ML:1.1 0.000032898435000000006 0.1856 AML other m 2019-07-24T08:59:29.70
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