Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 01:04:16 (Italy) in region 4 km SE Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Amatrice (RI), on

  • 20-01-2017 00:04:16 (UTC)
  • 20-01-2017 01:04:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5980, 13.3050 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.

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 4 2657 2657
Campotosto AQ 7 542 3199
Capitignano AQ 9 665 3864
Montereale AQ 9 2581 6445
Accumoli RI 12 667 7112
Cittareale RI 12 482 7594
Crognaleto TE 15 1297 8891
Barete AQ 16 737 9628
Cagnano Amiterno AQ 17 1369 10997
Borbona RI 17 617 11614
Cortino TE 17 656 12270
Pizzoli AQ 18 4326 16596
Posta RI 19 694 17290
Arquata del Tronto AP 20 1178 18468
Fano Adriano TE 20 296 18764

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
94 Km SE of Perugia (166134 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
00:04:16
42.5975 13.3052 10 2019-07-19
13:20:31
Bollettino Sismico Italiano INGV 50215401
Reviewed
Rev100
ML 2.0 2017-01-20
00:04:16
42.5972 13.3053 10 2017-01-20
00:16:50
Sala Sismica INGV-Roma 39350641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 00:04:16 ± 0.07
Latitude 42.5975 ± 0.0036
Longitude 13.3052 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50215401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92990
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 39350641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 00:16:50

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 50215401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-18 10:33:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GROG.HHZ. 2017-01-20T00:05:18.46 3.0 undecidable manual Sn -3.27 0
IV.BRSN.EHZ. 2017-01-20T00:05:04.37 3.0 undecidable manual Sg 1.76 0
IV.MGAB.HHZ. 2017-01-20T00:04:47.16 0.3 undecidable manual S 290 103.2189 50 0.13 61
IV.EL6.EHZ. 2017-01-20T00:04:41.60 0.3 undecidable manual S 349 82.8504 50 0.02 65
IV.TRIF.HHZ. 2017-01-20T00:04:38.26 3.0 negative manual Pn -2.16 0
IV.MOMA.HHZ. 2017-01-20T00:04:36.99 0.1 undecidable manual S 291 64.1913 50 0.4 83
IV.T1220.EHZ. 2017-01-20T00:04:35.72 0.1 undecidable manual S 343 59.496 50 0.37 85
IV.CESX.HHZ. 2017-01-20T00:04:35.30 0.1 undecidable manual S 271 58.6968 50 0.17 88
IV.MGAB.HHZ. 2017-01-20T00:04:34.65 0.1 undecidable manual P 290 103.2189 50 0.43 77
IV.CESI.HHZ. 2017-01-20T00:04:34.25 0.1 undecidable manual S 324 55.6998 50 -0.09 91
IV.FDMO.HHZ. 2017-01-20T00:04:33.46 0.1 undecidable manual S 340 51.8037 50 0.16 90
IV.OFFI.HHZ. 2017-01-20T00:04:32.54 0.3 undecidable manual S 39 48.618 50 0.1 69
IV.EL6.EHZ. 2017-01-20T00:04:31.48 0.1 undecidable manual P 349 82.8504 50 0.4 81
IV.FIAM.HHZ. 2017-01-20T00:04:30.26 0.1 undecidable manual S 203 39.627 50 0.21 91
IV.T1215.EHZ. 2017-01-20T00:04:30.01 0.1 undecidable manual S 303 42.2244 50 -0.72 78
IV.FAGN.HHZ. 2017-01-20T00:04:30.68 0.3 undecidable manual S 148 43.3233 50 -0.34 66
IV.MOMA.HHZ. 2017-01-20T00:04:28.03 0.1 undecidable manual P 291 64.1913 50 -0.17 88
IV.CESX.HHZ. 2017-01-20T00:04:27.15 0.1 undecidable manual P 271 58.6968 50 -0.2 88
IV.T1220.EHZ. 2017-01-20T00:04:27.27 0.1 undecidable manual P 343 59.496 50 -0.21 88
IV.CESI.HHZ. 2017-01-20T00:04:26.57 0.1 undecidable manual P 324 55.6998 50 -0.33 86
MN.AQU.HHZ. 2017-01-20T00:04:26.89 3.0 undecidable manual S -0.09 0
IV.OFFI.HHZ. 2017-01-20T00:04:26.49 0.1 undecidable manual P 39 48.618 50 0.69 78
IV.GIGS.HHZ. 2017-01-20T00:04:26.06 0.1 undecidable manual S 126 27.1506 50 -0.64 83
IV.FAGN.HHZ. 2017-01-20T00:04:25.62 0.1 undecidable manual P 148 43.3233 50 0.64 80
IV.FDMO.HHZ. 2017-01-20T00:04:25.94 0.1 undecidable manual P 340 51.8037 50 -0.36 86
IV.T1215.EHZ. 2017-01-20T00:04:24.41 0.1 undecidable manual P 303 42.2244 50 -0.4 87
IV.LNSS.HHZ. 2017-01-20T00:04:24.79 0.3 undecidable manual S 272 21.6672 114 -0.19 71
IV.FIAM.HHZ. 2017-01-20T00:04:24.25 0.1 undecidable manual P 203 39.627 50 -0.17 92
IV.T1247.HHZ. 2017-01-20T00:04:23.94 0.3 undecidable manual S 182 17.2716 120 0.3 70
IV.T1202.EHZ. 2017-01-20T00:04:22.50 0.1 undecidable manual S 331 13.4754 126 -0.02 99
IV.GIGS.HHZ. 2017-01-20T00:04:22.21 0.1 undecidable manual P 126 27.1506 50 -0.28 92
MN.AQU.HHZ. 2017-01-20T00:04:22.68 3.0 undecidable manual P 0.03 0
IV.LNSS.HHZ. 2017-01-20T00:04:21.49 0.1 undecidable manual P 272 21.6672 114 0 98
IV.T1247.HHZ. 2017-01-20T00:04:21.02 0.1 undecidable manual P 182 17.2716 120 0.3 93
IV.CAMP.HHZ. 2017-01-20T00:04:21.73 0.1 undecidable manual S 129 10.878 132 -0.1 98
IV.T1202.EHZ. 2017-01-20T00:04:20.26 0.1 undecidable manual P 331 13.4754 126 0.19 96
IV.T1299.HNZ. 2017-01-20T00:04:20.13 0.1 undecidable manual S 335 4.4955 156 -0.35 94
IV.CAMP.HHZ. 2017-01-20T00:04:19.80 0.1 undecidable manual P 129 10.878 132 0.13 97
IV.T1299.HNZ. 2017-01-20T00:04:18.94 0.1 undecidable manual P 335 4.4955 156 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.6 0.00047400000000000003 1.12 AML other m 2017-01-20T00:04:22.11
IV.CAMP.HHE. ML:1.7 0.0006054999999999999 0.58 AML other m 2017-01-20T00:04:22.33
IV.FAGN.HHN. ML:1.9 0.000258 0.36 AML other m 2017-01-20T00:04:33.69
IV.FAGN.HHE. ML:2.0 0.000312 0.28 AML other m 2017-01-20T00:04:34.82
IV.GIGS.HHE. ML:1.4 0.00014 0.28 AML other m 2017-01-20T00:04:26.26
IV.GIGS.HHN. ML:1.4 0.00011949999999999999 1.66 AML other m 2017-01-20T00:04:26.03
IV.LNSS.HHN. ML:2.2 0.0010789999999999999 0.14 AML other m 2017-01-20T00:04:25.39
IV.LNSS.HHE. ML:2.3 0.0015300000000000001 0.16 AML other m 2017-01-20T00:04:25.47
IV.MOMA.HHE. ML:2.1 0.000252 1.82 AML other m 2017-01-20T00:04:38.91
IV.MOMA.HHN. ML:1.9 0.000154 0.52 AML other m 2017-01-20T00:04:39.57
IV.T1202.EHN. ML:2.5 0.003415 1.56 AML other m 2017-01-20T00:04:22.81
IV.T1202.EHE. ML:2.4 0.002955 0.16 AML other m 2017-01-20T00:04:23.64
IV.T1247.HHE. ML:2.0 0.0009710000000000001 0.5 AML other m 2017-01-20T00:04:26.60
IV.T1247.HHN. ML:2.1 0.001075 0.22 AML other m 2017-01-20T00:04:24.25
IV.T1299.HNN. ML:2.1 0.002355 0.16 AML other m 2017-01-20T00:04:20.22
IV.T1299.EHN. ML:2.1 0.00242 0.18 AML other m 2017-01-20T00:04:20.21
IV.T1299.HNE. ML:2.0 0.001875 0.38 AML other m 2017-01-20T00:04:20.41
IV.T1299.EHE. ML:2.0 0.001905 0.36 AML other m 2017-01-20T00:04:20.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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