Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 18:44:53 (Italy) in region 3 km S Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 3 km S Amatrice (RI), on

  • 20-01-2017 17:44:53 (UTC)
  • 20-01-2017 18:44:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6010, 13.2930 at 9 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
Campotosto AQ 8 542 3199
Capitignano AQ 9 665 3864
Montereale AQ 9 2581 6445
Cittareale RI 11 482 6927
Accumoli RI 11 667 7594
Borbona RI 16 617 8211
Crognaleto TE 16 1297 9508
Cagnano Amiterno AQ 17 1369 10877
Barete AQ 17 737 11614
Cortino TE 18 656 12270
Pizzoli AQ 18 4326 16596
Posta RI 18 694 17290
Arquata del Tronto AP 19 1178 18468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
93 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 2.0 2017-01-20
17:44:53		 42.6012 13.2933 9 2019-07-19
13:21:03		 Bollettino Sismico Italiano INGV 63430511
Reviewed
Rev100 		ML 2.0 2017-01-20
17:44:53		 42.6015 13.2913 8 2017-01-20
17:52:07		 Sala Sismica INGV-Roma 39414061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 17:44:53 ± 0.05
Latitude 42.6012 ± 0.0036
Longitude 13.2933 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63430511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08548
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 39414061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 17:52:07

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 63430511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-27 15:13:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2017-01-20T17:45:20.58 0.6 undecidable manual S 355 86.247 50 1.42 25
IV.EL6.EHZ. 2017-01-20T17:45:19.44 0.6 undecidable manual S 349 82.251 50 1.36 26
IV.PIEI.HHZ. 2017-01-20T17:45:13.67 0.6 undecidable manual P 330 120.4905 50 0.18 39
IV.MOMA.HHZ. 2017-01-20T17:45:13.67 0.6 undecidable manual S 291 63.0924 50 0.7 38
IV.T1220.EHZ. 2017-01-20T17:45:12.05 0.6 undecidable manual S 344 58.8966 50 0.21 44
IV.CESX.HHZ. 2017-01-20T17:45:12.16 0.6 undecidable manual S 271 57.6978 50 0.63 39
IV.CESI.HHZ. 2017-01-20T17:45:11.24 0.6 undecidable manual S 325 54.8007 50 0.47 41
IV.OFFI.HHZ. 2017-01-20T17:45:11.26 0.6 undecidable manual S 41 48.9177 50 2.08 17
IV.GUMA.HHZ. 2017-01-20T17:45:10.61 0.6 undecidable manual S 4 51.3153 50 0.79 37
IV.SSFR.HHZ. 2017-01-20T17:45:10.72 0.6 undecidable manual P 336 101.5206 50 0.16 41
IV.LPEL.HHZ. 2017-01-20T17:45:09.52 0.6 undecidable manual P 130 95.4378 50 -0.1 42
IV.FDMO.HHZ. 2017-01-20T17:45:09.92 0.6 undecidable manual S 341 51.1155 50 0.15 45
IV.CING.HHZ. 2017-01-20T17:45:08.19 0.3 undecidable manual P 355 86.247 50 -0.02 64
IV.EL6.EHZ. 2017-01-20T17:45:07.50 0.1 undecidable manual P 349 82.251 50 -0.09 85
IV.ATCC.EHZ. 2017-01-20T17:45:07.87 0.6 undecidable manual P 321 83.7495 50 0.04 43
IV.T1216.EHZ. 2017-01-20T17:45:06.31 0.6 undecidable manual S 325 39.1275 50 -0.26 45
IV.T1215.EHZ. 2017-01-20T17:45:06.77 0.6 undecidable manual S 303 41.1255 50 -0.35 44
IV.SNTG.HHZ. 2017-01-20T17:45:06.63 0.3 undecidable manual P 339 77.9664 50 -0.31 62
IV.MC2.EHZ. 2017-01-20T17:45:05.39 0.6 undecidable manual S 346 35.4423 50 -0.2 46
IV.MOMA.HHZ. 2017-01-20T17:45:04.58 0.3 undecidable manual P 291 63.0924 50 -0.06 67
IV.CESX.HHZ. 2017-01-20T17:45:04.15 0.6 undecidable manual P 271 57.6978 50 0.34 42
IV.T1217.EHZ. 2017-01-20T17:45:04.33 0.6 undecidable manual S 293 31.9458 50 -0.34 45
IV.CESI.HHZ. 2017-01-20T17:45:03.04 0.3 undecidable manual P 325 54.8007 50 -0.33 64
MN.AQU.HHZ. 2017-01-20T17:45:03.55 0.6 undecidable manual S -0.36 46
IV.NRCA.HNZ. 2017-01-20T17:45:03.46 0.6 undecidable manual S 331 29.6481 50 -0.57 42
IV.GUMA.HHZ. 2017-01-20T17:45:03.12 0.3 undecidable manual P 4 51.3153 50 0.3 65
IV.T1220.EHZ. 2017-01-20T17:45:03.80 0.3 undecidable manual P 344 58.8966 50 -0.19 66
IV.GIGS.HHZ. 2017-01-20T17:45:02.99 0.6 undecidable manual S 126 28.1496 108 -0.56 42
IV.OFFI.HHZ. 2017-01-20T17:45:02.70 0.6 undecidable manual P 41 48.9177 50 0.25 44
IV.FDMO.HHZ. 2017-01-20T17:45:02.34 0.6 undecidable manual P 341 51.1155 50 -0.46 42
IV.FAGN.HHZ. 2017-01-20T17:45:01.80 0.3 undecidable manual P 147 44.1225 50 0.08 69
IV.ARRO.EHZ. 2017-01-20T17:45:01.30 0.6 undecidable manual P 267 43.1235 50 -0.27 44
IV.LNSS.HHZ. 2017-01-20T17:45:01.42 0.6 undecidable manual S 271 20.6682 114 0.3 46
IV.MC2.EHZ. 2017-01-20T17:45:00.14 0.1 undecidable manual P 346 35.4423 50 -0.24 90
IV.T1216.EHZ. 2017-01-20T17:45:00.60 0.1 undecidable manual P 325 39.1275 50 -0.35 88
IV.T1247.HHZ. 2017-01-20T17:45:00.49 0.6 undecidable manual S 179 17.6712 118 0.29 46
IV.T1215.EHZ. 2017-01-20T17:45:00.83 0.1 undecidable manual P 303 41.1255 50 -0.44 86
IV.T1213.HNE. 2017-01-20T17:45:00.53 0.6 undecidable manual S 315 19.3695 116 -0.19 47
IV.FIAM.HHZ. 2017-01-20T17:45:00.82 0.3 undecidable manual P 201 39.627 50 -0.21 68
IV.T1222.EHZ. 2017-01-20T17:44:59.42 0.6 positive manual P -0.35 46
IV.RM33.HNZ. 2017-01-20T17:44:59.15 0.6 undecidable manual S 212 12.0768 127 0.6 43
IV.T1218.HNZ. 2017-01-20T17:44:59.62 0.6 undecidable manual S 298 16.4724 119 -0.19 47
MN.AQU.HHZ. 2017-01-20T17:44:59.48 0.3 positive manual P -0.01 74
IV.NRCA.HNZ. 2017-01-20T17:44:59.13 0.1 undecidable manual P 331 29.6481 50 -0.35 89
IV.T1217.EHZ. 2017-01-20T17:44:59.47 0.1 undecidable manual P 293 31.9458 50 -0.38 88
IV.T1202.EHZ. 2017-01-20T17:44:59.21 1.0 undecidable manual S 334 12.6762 126 0.5 22
IV.GIGS.HHZ. 2017-01-20T17:44:58.84 0.1 undecidable manual P 126 28.1496 108 -0.36 89
IV.CAMP.HHZ. 2017-01-20T17:44:58.47 0.6 undecidable manual S 127 11.877 128 -0.03 49
IV.T1247.HHZ. 2017-01-20T17:44:57.46 0.1 undecidable manual P 179 17.6712 118 0.19 94
IV.T1204.EHZ. 2017-01-20T17:44:57.32 0.6 undecidable manual S 13 8.4804 137 -0.31 47
IV.T1213.HNE. 2017-01-20T17:44:57.50 0.1 undecidable manual P 315 19.3695 116 -0.07 96
IV.LNSS.HHZ. 2017-01-20T17:44:57.90 0.1 positive manual P 271 20.6682 114 0.09 96
IV.T1218.HNZ. 2017-01-20T17:44:57.06 0.1 undecidable manual P 298 16.4724 119 0.01 98
IV.CAMP.HHZ. 2017-01-20T17:44:56.46 0.1 undecidable manual P 127 11.877 128 0.17 95
IV.T1299.EHZ. 2017-01-20T17:44:56.30 0.6 undecidable manual S 346 3.7962 158 -0.44 46
IV.T1202.EHZ. 2017-01-20T17:44:56.69 0.1 undecidable manual P 334 12.6762 126 0.28 93
IV.SMA1.EHZ. 2017-01-20T17:44:56.62 0.6 undecidable manual S 46 4.6953 153 -0.25 48
IV.RM33.HNZ. 2017-01-20T17:44:56.72 0.1 negative manual P 212 12.0768 127 0.4 91
IV.T1204.EHZ. 2017-01-20T17:44:55.88 0.1 undecidable manual P 13 8.4804 137 0.09 98
IV.T1299.EHZ. 2017-01-20T17:44:55.28 0.1 undecidable manual P 346 3.7962 158 0.01 100
IV.SMA1.EHZ. 2017-01-20T17:44:55.50 0.1 undecidable manual P 46 4.6953 153 0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:2.2 0.0016789999999999997 0.24 AML other m 2017-01-20T17:44:58.68
IV.RM33.EHN. ML:2.0 0.00127 0.68 AML other m 2017-01-20T17:44:59.42
IV.RM33.HNE. ML:2.2 0.00174 1.06 AML other m 2017-01-20T17:44:59.04
IV.RM33.EHE. ML:2.2 0.0017449999999999998 1.06 AML other m 2017-01-20T17:44:59.04
IV.CAMP.HHN. ML:2.0 0.0011394999999999999 0.28 AML other m 2017-01-20T17:44:59.69
IV.T1218.HNN. ML:2.3 0.001845 0.26 AML other m 2017-01-20T17:44:59.96
IV.T1218.EHN. ML:2.3 0.001825 0.26 AML other m 2017-01-20T17:44:59.83
IV.T1218.HNE. ML:2.0 0.0008545 0.3 AML other m 2017-01-20T17:44:59.73
IV.RM33.HNN. ML:2.0 0.0012549999999999998 0.38 AML other m 2017-01-20T17:44:59.95
IV.T1218.EHE. ML:2.0 0.0009215 0.92 AML other m 2017-01-20T17:45:00.73
IV.LNSS.HHE. ML:2.3 0.001355 0.5 AML other m 2017-01-20T17:45:01.67
IV.LNSS.HHN. ML:2.2 0.0012050000000000001 1.38 AML other m 2017-01-20T17:45:01.22
IV.T1247.HHE. ML:2.3 0.0016400000000000002 1.6 AML other m 2017-01-20T17:45:01.17
IV.T1247.HHN. ML:2.4 0.0019 0.34 AML other m 2017-01-20T17:45:02.30
IV.GIGS.HHE. ML:1.3 0.0001085 0.88 AML other m 2017-01-20T17:45:03.10
IV.T1217.EHE. ML:1.8 0.0003075 1.08 AML other m 2017-01-20T17:45:05.34
IV.GIGS.HHN. ML:1.3 0.00010190000000000001 0.44 AML other m 2017-01-20T17:45:05.57
IV.T1217.HNE. ML:1.9 0.000328 1.2 AML other m 2017-01-20T17:45:05.34
MN.AQU.HLN. ML:1.8 0.00032250000000000003 0.56 AML other m 2017-01-20T17:45:06.47
MN.AQU.HHN. ML:1.8 0.0003185 0.58 AML other m 2017-01-20T17:45:06.47
IV.T1217.HNN. ML:2.0 0.000409 0.62 AML other m 2017-01-20T17:45:06.56
IV.T1217.EHN. ML:1.9 0.0003265 0.42 AML other m 2017-01-20T17:45:06.56
MN.AQU.HLE. ML:1.8 0.000352 1.32 AML other m 2017-01-20T17:45:06.75
MN.AQU.HHE. ML:1.8 0.00032099999999999994 1.32 AML other m 2017-01-20T17:45:06.09
IV.T1222.HNN. ML:1.8 0.00027 1.64 AML other m 2017-01-20T17:45:07.03
IV.T1215.EHE. ML:1.6 0.00014500000000000003 0.1 AML other m 2017-01-20T17:45:07.05
IV.T1222.EHN. ML:1.7 0.000228 0.38 AML other m 2017-01-20T17:45:07.25
IV.T1215.EHN. ML:1.6 0.00013375 0.06 AML other m 2017-01-20T17:45:07.56
IV.T1222.EHE. ML:1.7 0.00023099999999999998 1.14 AML other m 2017-01-20T17:45:09.95
IV.T1222.HNE. ML:1.8 0.00027350000000000003 1.16 AML other m 2017-01-20T17:45:09.95
IV.ARRO.EHN. ML:1.9 0.0002395 0.56 AML other m 2017-01-20T17:45:10.91
IV.FDMO.HHN. ML:1.8 0.000156 0.22 AML other m 2017-01-20T17:45:10.59
IV.GUMA.HNE. ML:2.4 0.0006205000000000001 1.18 AML other m 2017-01-20T17:45:10.84
IV.ARRO.EHE. ML:1.7 0.0001605 1.44 AML other m 2017-01-20T17:45:10.13
IV.T1216.EHN. ML:2.0 0.00031999999999999997 0.46 AML other m 2017-01-20T17:45:11.38
IV.T1216.EHE. ML:1.9 0.00027049999999999996 0.4 AML other m 2017-01-20T17:45:11.21
IV.FDMO.HHE. ML:1.7 0.00014050000000000003 0.76 AML other m 2017-01-20T17:45:11.95
IV.OFFI.HHN. ML:2.4 0.000611 0.62 AML other m 2017-01-20T17:45:12.51
IV.GUMA.HHN. ML:2.3 0.0005635 0.58 AML other m 2017-01-20T17:45:12.54
IV.OFFI.HHE. ML:2.3 0.0005200000000000001 0.42 AML other m 2017-01-20T17:45:12.83
IV.CESX.HHE. ML:1.8 0.0001318 0.24 AML other m 2017-01-20T17:45:13.24
IV.FIAM.HHN. ML:1.5 0.00011845 0.58 AML other m 2017-01-20T17:45:13.50
IV.GUMA.HHE. ML:2.3 0.000502 1.5 AML other m 2017-01-20T17:45:13.07
IV.FAGN.HHE. ML:2.1 0.000367 1.58 AML other m 2017-01-20T17:45:13.87
IV.T1220.HNN. ML:2.3 0.00046399999999999995 0.52 AML other m 2017-01-20T17:45:13.68
IV.GUMA.HNN. ML:2.3 0.00046399999999999995 0.36 AML other m 2017-01-20T17:45:14.55
IV.CESI.HHN. ML:1.8 0.00015 0.32 AML other m 2017-01-20T17:45:14.52
IV.T1220.EHN. ML:2.3 0.000424 0.32 AML other m 2017-01-20T17:45:14.68
IV.CESX.HHN. ML:1.8 0.00014700000000000002 0.3 AML other m 2017-01-20T17:45:14.91
IV.FIAM.HHE. ML:1.5 0.000107 1.26 AML other m 2017-01-20T17:45:14.94
IV.MOMA.HHN. ML:2.0 0.00018449999999999999 0.18 AML other m 2017-01-20T17:45:15.18
IV.FAGN.HHN. ML:2.1 0.0003755 0.42 AML other m 2017-01-20T17:45:15.40
IV.CESI.HHE. ML:1.7 0.0001225 0.42 AML other m 2017-01-20T17:45:15.43
IV.MOMA.HHE. ML:2.1 0.00023449999999999998 0.66 AML other m 2017-01-20T17:45:15.84
IV.T1220.EHE. ML:2.4 0.0005585 0.52 AML other m 2017-01-20T17:45:17.25
IV.T1220.HNE. ML:2.4 0.000587 0.72 AML other m 2017-01-20T17:45:17.25
IV.ASSB.HHN. ML:1.8 0.00009850000000000001 1.12 AML other m 2017-01-20T17:45:17.16
IV.ASSB.HHE. ML:1.7 0.00008215 1.02 AML other m 2017-01-20T17:45:19.58
IV.EL6.EHN. ML:2.2 0.0002165 0.7 AML other m 2017-01-20T17:45:21.41
IV.CING.HHN. ML:2.1 0.00015300000000000003 0.16 AML other m 2017-01-20T17:45:21.41
IV.CING.HHE. ML:2.0 0.000135 0.76 AML other m 2017-01-20T17:45:21.05
IV.EL6.EHE. ML:2.2 0.000189 0.42 AML other m 2017-01-20T17:45:23.62
IV.ATCC.EHN. ML:1.7 0.0000653 0.94 AML other m 2017-01-20T17:45:25.66
IV.ATCC.EHE. ML:1.9 0.00009604999999999999 0.62 AML other m 2017-01-20T17:45:25.53
IV.SSFR.HHE. ML:2.0 0.00010495 1.24 AML other m 2017-01-20T17:45:28.81
IV.SSFR.HHN. ML:2.0 0.0000956 0.28 AML other m 2017-01-20T17:45:33.91
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
Waveforms Seismic signals in miniseed + resp format Download