Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-10-2019 and time 23:47:19 (Italy) in region 1 km SW Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 1 km SW Amatrice (RI), on

  • 17-10-2019 21:47:19 (UTC)
  • 17-10-2019 23:47:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6220, 13.2860 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 1 2657 2657
Accumoli RI 9 667 3324
Campotosto AQ 10 542 3866
Cittareale RI 10 482 4348
Montereale AQ 11 2581 6929
Capitignano AQ 11 665 7594
Arquata del Tronto AP 17 1178 8772
Borbona RI 17 617 9389
Crognaleto TE 18 1297 10686
Cortino TE 18 656 11342
Cagnano Amiterno AQ 19 1369 12711
Barete AQ 19 737 13448
Posta RI 19 694 14142
Acquasanta Terme AP 19 2916 17058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
99 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 1.3 2019-10-17
21:47:19		 42.6218 13.2857 11 2020-02-28
16:42:18		 Bollettino Sismico Italiano INGV 75294581
Reviewed
Rev100 		ML 1.3 2019-10-17
21:47:19		 42.6213 13.2833 11 2019-10-17
21:56:06		 Sala Sismica INGV-Roma 73314441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-17 21:47:19 ± 0.07
Latitude 42.6218 ± 0.0018
Longitude 13.2857 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75294581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01259
Epicentral distance of station farthest from the epicenter (degree) 0.55578
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 75294581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-05 19:05:12

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 73314441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-17 21:56:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-10-17T21:47:39.41 0.6 undecidable manual S 289 61.6938 90 0.54 42
IV.GUMA.HHZ. 2019-10-17T21:47:36.34 0.6 undecidable manual S 5 49.1175 90 0.85 36
IV.MF5.EHZ. 2019-10-17T21:47:34.75 0.3 undecidable manual S 19 43.0236 90 0.88 53
IV.MMO1.EHZ. 2019-10-17T21:47:30.32 0.6 undecidable manual S 6 30.9468 90 -0.34 47
IV.MNTT.EHZ. 2019-10-17T21:47:30.48 0.6 undecidable manual P 27 55.0005 90 0.65 39
IV.GIGS.HHZ. 2019-10-17T21:47:30.15 0.6 undecidable manual S 128 30.0477 90 -0.26 47
IV.MOMA.HHZ. 2019-10-17T21:47:30.88 0.3 undecidable manual P 289 61.6938 90 0.01 69
IV.GUMA.HHZ. 2019-10-17T21:47:29.04 0.3 undecidable manual P 5 49.1175 90 0.12 69
IV.VCEL.EHZ. 2019-10-17T21:47:29.76 0.3 undecidable manual P 119 51.9036 90 0.4 65
IV.NRCA.HHZ. 2019-10-17T21:47:29.10 0.6 undecidable manual S 329 27.3504 90 -0.59 43
IV.MF5.EHZ. 2019-10-17T21:47:28.26 0.1 undecidable manual P 19 43.0236 90 0.27 90
IV.TERO.HHZ. 2019-10-17T21:47:28.92 0.6 undecidable manual S 90 25.9518 90 -0.41 47
IV.ARRO.EHZ. 2019-10-17T21:47:27.63 0.1 undecidable manual P 264 42.7239 90 -0.31 89
IV.LNSS.HHZ. 2019-10-17T21:47:27.34 0.6 undecidable manual S 264 20.1687 90 -0.43 44
IV.MTRA.EHZ. 2019-10-17T21:47:26.47 0.6 undecidable manual S 31 17.4714 90 -0.59 45
MN.AQU.HHZ. 2019-10-17T21:47:26.35 0.3 undecidable manual P 162 31.2465 90 0.18 71
IV.RM33.EHZ. 2019-10-17T21:47:26.18 0.6 undecidable manual S 205 13.7751 91 0.1 51
IV.CAMP.HHZ. 2019-10-17T21:47:25.98 0.6 undecidable manual S 133 13.875 91 -0.12 50
IV.GIGS.HHZ. 2019-10-17T21:47:25.79 0.1 undecidable manual P 128 30.0477 90 -0.19 95
IV.TERO.HHZ. 2019-10-17T21:47:25.18 0.1 undecidable manual P 90 25.9518 90 -0.18 97
IV.NRCA.HHZ. 2019-10-17T21:47:25.31 0.1 positive manual P 329 27.3504 90 -0.25 94
IV.MMO1.EHZ. 2019-10-17T21:47:25.90 0.1 undecidable manual P 6 30.9468 90 -0.23 95
IV.LNSS.HHZ. 2019-10-17T21:47:24.36 0.1 undecidable manual P 264 20.1687 90 -0.1 97
IV.SMA1.EHZ. 2019-10-17T21:47:24.15 0.6 undecidable manual S 77 4.1958 153 0.1 50
IV.CAMP.HHZ. 2019-10-17T21:47:23.61 0.1 undecidable manual P 133 13.875 91 0.12 99
IV.T1299.EHE. 2019-10-17T21:47:23.82 0.3 undecidable manual S 348 1.3986 171 0 78
IV.MTRA.EHZ. 2019-10-17T21:47:23.87 0.1 positive manual P 31 17.4714 90 -0.18 98
IV.RM33.EHZ. 2019-10-17T21:47:23.61 0.1 undecidable manual P 205 13.7751 91 0.13 100
IV.T1299.EHE. 2019-10-17T21:47:22.36 0.1 undecidable manual P 348 1.3986 171 0.18 100
IV.SMA1.EHZ. 2019-10-17T21:47:22.56 0.1 undecidable manual P 77 4.1958 153 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.000617 0.16 AML other m 2019-10-17T21:47:24.45
IV.SMA1.EHE. ML:1.8 0.0008979999999999999 0.2 AML other m 2019-10-17T21:47:24.60
IV.RM33.EHE. ML:1.4 0.00027049999999999996 0.3 AML other m 2019-10-17T21:47:26.40
IV.RM33.EHN. ML:1.3 0.00020150000000000002 0.32 AML other m 2019-10-17T21:47:26.41
IV.CAMP.HHE. ML:0.8 0.00006685 0.94 AML other m 2019-10-17T21:47:26.67
IV.MTRA.EHE. ML:1.5 0.0002439889 1.4368 AML other m 2019-10-17T21:47:26.05
IV.MTRA.HNE. ML:1.4 0.00022492245 0.6816 AML other m 2019-10-17T21:47:26.43
IV.MTRA.EHN. ML:1.6 0.00033045345 0.2304 AML other m 2019-10-17T21:47:26.97
IV.MTRA.HNN. ML:1.6 0.00034684159999999996 0.5248 AML other m 2019-10-17T21:47:26.85
IV.RM33.HNN. ML:1.4 0.0002311424 0.5536 AML other m 2019-10-17T21:47:27.14
IV.CAMP.HHN. ML:0.7 0.000046399999999999996 0.22 AML other m 2019-10-17T21:47:27.57
IV.LNSS.HHN. ML:1.4 0.000191 0.16 AML other m 2019-10-17T21:47:27.70
IV.LNSS.HHE. ML:1.4 0.000191 0.12 AML other m 2019-10-17T21:47:27.81
IV.RM33.HNE. ML:1.3 0.00018842355 0.9088 AML other m 2019-10-17T21:47:27.83
IV.TERO.HHE. ML:1.2 0.00009504999999999999 1.34 AML other m 2019-10-17T21:47:29.09
IV.NRCA.HHE. ML:1.5 0.000176 0.16 AML other m 2019-10-17T21:47:29.45
IV.NRCA.HNE. ML:1.5 0.000159697 0.1664 AML other m 2019-10-17T21:47:29.45
IV.GIGS.HHN. ML:0.7 0.0000252 0.18 AML other m 2019-10-17T21:47:30.32
IV.TERO.HHN. ML:1.3 0.00010539999999999999 0.64 AML other m 2019-10-17T21:47:30.32
IV.NRCA.HHN. ML:1.2 0.0000857 1.26 AML other m 2019-10-17T21:47:30.17
IV.GIGS.HHE. ML:0.5 0.0000168 1.06 AML other m 2019-10-17T21:47:31.46
IV.GUMA.HHE. ML:1.4 0.00007104335500000001 0.3456 AML other m 2019-10-17T21:47:36.59
IV.GUMA.HHN. ML:1.3 0.000050008755000000005 0.448 AML other m 2019-10-17T21:47:36.75
IV.GUMA.HNE. ML:1.5 0.000082086125 0.8064 AML other m 2019-10-17T21:47:37.22
IV.VCEL.EHN. ML:1.4 0.00006365 0.46 AML other m 2019-10-17T21:47:39.94
IV.MOMA.HHE. ML:1.1 0.000024500000000000003 1.06 AML other m 2019-10-17T21:47:40.28
IV.MOMA.HHN. ML:1.0 0.00002095 1.12 AML other m 2019-10-17T21:47:40.27
IV.VCEL.EHE. ML:1.2 0.00003785 0.42 AML other m 2019-10-17T21:47:41.34
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