Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-01-2017 and time 03:00:25 (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 02:00:25 (UTC)
  • 20-01-2017 03:00:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5930, 13.3080 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.

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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 5 2657 2657
Campotosto AQ 6 542 3199
Capitignano AQ 8 665 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 16 1369 10997
Cortino TE 17 656 11653
Borbona RI 17 617 12270
Pizzoli AQ 17 4326 16596
Posta RI 19 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
64 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)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 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
02:00:25		 42.5928 13.3082 10 2019-07-19
13:21:00		 Bollettino Sismico Italiano INGV 63208491
Reviewed
Rev100 		ML 2.1 2017-01-20
02:00:25		 42.5893 13.3072 9 2017-01-20
02:08:46		 Sala Sismica INGV-Roma 39356701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 02:00:25 ± 0.06
Latitude 42.5928 ± 0.0036
Longitude 13.3082 ± 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 63208491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 264
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) 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 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 63208491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-19 16:03:41

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 39356701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 02:08:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2017-01-20T02:00:45.85 0.6 undecidable manual S 292 64.5909 50 0.45 42
IV.FDMO.HHZ. 2017-01-20T02:00:42.31 0.6 undecidable manual S 340 52.4031 50 0.16 46
IV.EL6.EHZ. 2017-01-20T02:00:40.00 0.3 undecidable manual P 348 83.3499 50 0.17 64
IV.T1215.EHZ. 2017-01-20T02:00:39.04 0.6 undecidable manual S 303 42.7239 50 -0.52 43
IV.CERT.HHZ. 2017-01-20T02:00:38.86 0.6 undecidable manual P 201 76.2681 50 0.12 44
IV.MOMA.HHZ. 2017-01-20T02:00:36.94 0.6 undecidable manual P 292 64.5909 50 0.01 46
IV.T1220.EHZ. 2017-01-20T02:00:36.04 0.3 undecidable manual P 343 60.0954 50 -0.2 67
IV.GUMA.HHZ. 2017-01-20T02:00:35.21 0.3 undecidable manual P 2 52.2033 50 0.19 68
IV.NRCA.HHZ. 2017-01-20T02:00:35.90 0.6 undecidable manual S 329 31.0467 50 -0.55 43
IV.OFFI.HHZ. 2017-01-20T02:00:35.26 0.1 undecidable manual P 39 48.8178 50 0.75 77
IV.CESI.HHZ. 2017-01-20T02:00:35.56 0.3 undecidable manual P 324 56.2992 50 -0.1 69
IV.FDMO.HHZ. 2017-01-20T02:00:34.96 0.1 undecidable manual P 340 52.4031 50 -0.1 92
IV.GIGS.HHZ. 2017-01-20T02:00:34.59 0.6 undecidable manual S 126 26.6511 110 -0.59 43
IV.ARRO.EHZ. 2017-01-20T02:00:33.70 0.3 undecidable manual P 268 44.3223 50 -0.12 70
IV.FIAM.HHZ. 2017-01-20T02:00:33.10 0.1 undecidable manual P 204 39.3273 50 0.06 95
IV.LNSS.HHZ. 2017-01-20T02:00:33.51 0.1 undecidable manual S 273 21.867 114 -0.15 97
IV.FAGN.HHZ. 2017-01-20T02:00:33.74 0.1 undecidable manual P 148 42.7239 50 0.17 93
IV.T1215.EHZ. 2017-01-20T02:00:33.18 0.1 undecidable manual P 303 42.7239 50 -0.38 89
IV.T1247.HHZ. 2017-01-20T02:00:32.31 0.1 undecidable manual S 183 16.7721 120 0.24 96
IV.NRCA.HHZ. 2017-01-20T02:00:31.57 0.1 undecidable manual P 329 31.0467 50 -0.19 94
IV.T1202.EHZ. 2017-01-20T02:00:31.69 0.1 undecidable manual S 331 14.0748 124 0.44 92
IV.GIGS.HHZ. 2017-01-20T02:00:30.66 0.1 undecidable manual P 126 26.6511 110 -0.37 91
IV.CAMP.HHZ. 2017-01-20T02:00:30.06 0.1 undecidable manual S 128 10.3785 133 -0.2 97
IV.LNSS.HHZ. 2017-01-20T02:00:30.13 0.1 undecidable manual P 273 21.867 114 -0.02 99
IV.T1247.HHZ. 2017-01-20T02:00:29.45 0.1 undecidable manual P 183 16.7721 120 0.21 96
IV.T1204.EHZ. 2017-01-20T02:00:29.64 0.3 undecidable manual S 4 9.2796 136 -0.34 71
IV.CAMP.HHZ. 2017-01-20T02:00:28.27 0.1 undecidable manual P 128 10.3785 133 0.08 100
IV.T1202.EHZ. 2017-01-20T02:00:28.98 0.1 undecidable manual P 331 14.0748 124 0.22 97
IV.T1299.HNZ. 2017-01-20T02:00:28.94 0.1 undecidable manual S 335 5.0949 152 -0.17 99
IV.T1204.EHZ. 2017-01-20T02:00:28.11 0.1 undecidable manual P 4 9.2796 136 0.08 100
IV.T1299.HNZ. 2017-01-20T02:00:27.69 0.1 undecidable manual P 335 5.0949 152 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.HNN. ML:2.4 0.0043556795 0.1792 AML other m 2017-01-20T02:00:29.16
IV.T1299.EHN. ML:2.4 0.0045979835 0.1792 AML other m 2017-01-20T02:00:29.16
IV.T1299.HNE. ML:2.5 0.0058263195000000005 0.2592 AML other m 2017-01-20T02:00:29.16
IV.T1299.EHE. ML:2.5 0.005766080000000001 0.2592 AML other m 2017-01-20T02:00:29.16
IV.CAMP.HHE. ML:1.8 0.00080515395 0.24 AML other m 2017-01-20T02:00:30.44
IV.CAMP.HHN. ML:1.7 0.0007262368 0.3392 AML other m 2017-01-20T02:00:33.11
IV.T1202.EHN. ML:2.4 0.0026985234999999997 0.32 AML other m 2017-01-20T02:00:34.50
IV.T1202.EHE. ML:2.3 0.0022233929999999997 0.1984 AML other m 2017-01-20T02:00:32.87
IV.T1247.HHE. ML:2.2 0.0015255651 0.1184 AML other m 2017-01-20T02:00:34.23
IV.T1247.HHN. ML:2.6 0.0038415904999999995 0.28 AML other m 2017-01-20T02:00:32.58
IV.LNSS.HHN. ML:2.1 0.0008330375 0.1792 AML other m 2017-01-20T02:00:34.01
IV.LNSS.HHE. ML:2.2 0.00099002595 0.4 AML other m 2017-01-20T02:00:34.02
IV.GIGS.HHN. ML:1.3 0.00012034505500000001 0.24 AML other m 2017-01-20T02:00:36.92
IV.GIGS.HHE. ML:1.4 0.00012428034 0.08 AML other m 2017-01-20T02:00:35.85
MN.AQU.HHE. ML:1.9 0.0003842472 0.3008 AML other m 2017-01-20T02:00:37.42
MN.AQU.HHN. ML:1.8 0.00034252275 0.4 AML other m 2017-01-20T02:00:38.21
MN.AQU.HLE. ML:1.8 0.00036098955 0.28 AML other m 2017-01-20T02:00:39.26
MN.AQU.HLN. ML:1.8 0.00037072905 0.3808 AML other m 2017-01-20T02:00:38.21
IV.T1215.EHE. ML:1.4 0.00007303101500000001 0.064 AML other m 2017-01-20T02:00:40.94
IV.T1215.HNN. ML:1.4 0.00008344454 0.304 AML other m 2017-01-20T02:00:44.03
IV.T1215.EHN. ML:1.3 0.000070187505 0.08 AML other m 2017-01-20T02:00:40.38
IV.T1215.HNE. ML:1.3 0.000068536745 0.128 AML other m 2017-01-20T02:00:39.68
IV.ARRO.EHN. ML:1.9 0.00022238875000000002 0.2 AML other m 2017-01-20T02:00:41.01
IV.ARRO.EHE. ML:1.6 0.00011944865 0.1408 AML other m 2017-01-20T02:00:41.01
IV.FAGN.HHE. ML:2.4 0.0008345386499999999 0.3216 AML other m 2017-01-20T02:00:43.05
IV.FAGN.HHN. ML:2.2 0.0005268566999999999 0.36 AML other m 2017-01-20T02:00:42.05
IV.GUMA.HNN. ML:2.2 0.00036996085000000003 0.3504 AML other m 2017-01-20T02:00:44.06
IV.GUMA.HHN. ML:2.2 0.0004081741 0.6208 AML other m 2017-01-20T02:00:48.66
IV.GUMA.HNE. ML:2.2 0.00035635595 0.4608 AML other m 2017-01-20T02:00:52.24
IV.GUMA.HHE. ML:2.2 0.00040767185 0.1792 AML other m 2017-01-20T02:00:45.23
IV.OFFI.HHE. ML:2.5 0.0008006561 0.36 AML other m 2017-01-20T02:00:45.25
IV.CESI.HHN. ML:1.6 0.000091186245 0.3808 AML other m 2017-01-20T02:00:49.03
IV.CESI.HHE. ML:1.5 0.00007340048 0.3792 AML other m 2017-01-20T02:00:50.40
IV.T1220.HNN. ML:2.3 0.00038061245 0.272 AML other m 2017-01-20T02:00:48.04
IV.T1220.HNE. ML:2.2 0.00031108175000000004 0.448 AML other m 2017-01-20T02:00:54.60
IV.T1220.EHN. ML:2.2 0.0003618365 0.272 AML other m 2017-01-20T02:00:48.04
IV.T1220.EHE. ML:2.2 0.00028797459999999997 0.432 AML other m 2017-01-20T02:00:54.61
IV.MOMA.HHN. ML:1.9 0.00014170244999999997 0.2192 AML other m 2017-01-20T02:00:47.16
IV.MOMA.HHE. ML:2.0 0.00017776710000000001 0.28 AML other m 2017-01-20T02:00:47.73
IV.MOMA.HNE. ML:2.0 0.00018295175000000003 0.2288 AML other m 2017-01-20T02:00:47.60
IV.ASSB.HHE. ML:1.5 0.000051705555 0.6208 AML other m 2017-01-20T02:01:00.34
IV.ASSB.HHN. ML:1.5 0.000049545525000000004 0.3408 AML other m 2017-01-20T02:00:57.10
IV.CERT.HHN. ML:1.5 0.000047430565000000004 0.3392 AML other m 2017-01-20T02:00:57.36
IV.CERT.HHE. ML:1.7 0.000074277105 0.5408 AML other m 2017-01-20T02:01:00.90
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