Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-01-2017 and time 09:19:09 (Italy) in region 4 km SE Amatrice (RI)

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

  • 21-01-2017 08:19:09 (UTC)
  • 21-01-2017 09:19:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5980, 13.3180 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 4 2657 2657
Campotosto AQ 6 542 3199
Capitignano AQ 9 665 3864
Montereale AQ 10 2581 6445
Accumoli RI 12 667 7112
Cittareale RI 13 482 7594
Crognaleto TE 14 1297 8891
Cortino TE 16 656 9547
Barete AQ 17 737 10284
Cagnano Amiterno AQ 17 1369 11653
Borbona RI 18 617 12270
Pizzoli AQ 18 4326 16596
Fano Adriano TE 19 296 16892
Arquata del Tronto AP 20 1178 18070
Rocca Santa Maria TE 20 537 18607
Posta RI 20 694 19301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
95 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
Reviewed
Rev100 		ML 2.0 2017-01-21
08:19:09		 42.5977 13.3182 11 2017-01-21
08:27:16		 Sala Sismica INGV-Roma 39479531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-21 08:19:09 ± 0.06
Latitude 42.5977 ± 0.0045
Longitude 13.3182 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39479531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 610
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53779
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 39479531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-21 08:27:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIGN.HHZ. 2017-01-21T08:19:40.70 3.0 positive manual P 3.82 0
IV.LAV9.HNZ. 2017-01-21T08:19:29.76 3.0 undecidable manual P -0.23 0
IV.CESX.HHZ. 2017-01-21T08:19:29.70 1.0 undecidable manual S 271 59.6958 50 1.47 13
IV.CESI.HHZ. 2017-01-21T08:19:27.90 0.1 undecidable manual S 323 56.2992 50 0.58 82
IV.CING.HHZ. 2017-01-21T08:19:25.12 3.0 negative manual P 0.11 0
IV.SNTG.HHZ. 2017-01-21T08:19:23.84 3.0 positive manual P 0.06 0
IV.T1216.EHZ. 2017-01-21T08:19:23.30 0.1 undecidable manual S 323 40.626 50 0.17 93
IV.T1215.EHZ. 2017-01-21T08:19:23.70 0.1 undecidable manual S 302 43.1235 50 -0.09 95
IV.EL6.EHZ. 2017-01-21T08:19:23.89 3.0 positive manual P -0.5 0
IV.T1217.EHZ. 2017-01-21T08:19:21.10 0.1 undecidable manual S 292 34.0437 50 -0.26 93
IV.MOMA.HHZ. 2017-01-21T08:19:21.53 3.0 undecidable manual P -0.23 0
IV.CESX.HHZ. 2017-01-21T08:19:20.35 0.1 undecidable manual P 271 59.6958 50 -0.06 92
IV.FDMO.HHZ. 2017-01-21T08:19:19.19 0.6 negative manual P 339 52.2033 50 -0.06 47
IV.CESI.HHZ. 2017-01-21T08:19:19.94 0.1 undecidable manual P 323 56.2992 50 0.05 93
IV.GIGS.HHZ. 2017-01-21T08:19:19.00 0.1 undecidable manual S 128 26.2515 50 -0.3 93
IV.GUMA.HHZ. 2017-01-21T08:19:19.49 0.1 undecidable manual P 2 51.6039 50 0.33 89
IV.T1212.EHZ. 2017-01-21T08:19:19.50 0.1 undecidable manual S 308 28.0497 50 -0.28 93
IV.LNSS.HHZ. 2017-01-21T08:19:18.30 0.1 undecidable manual S 272 22.6551 50 -0.04 99
IV.FIAM.HHZ. 2017-01-21T08:19:18.43 3.0 positive manual P 0.54 0
IV.T1247.HHZ. 2017-01-21T08:19:17.20 0.1 undecidable manual S 185 17.3715 121 0.39 93
IV.T1215.EHZ. 2017-01-21T08:19:17.70 0.1 undecidable manual P 302 43.1235 50 -0.15 94
IV.FAGN.HHZ. 2017-01-21T08:19:17.26 3.0 positive manual P -0.92 0
IV.T1216.EHZ. 2017-01-21T08:19:17.54 0.3 undecidable manual P 323 40.626 50 0.07 72
IV.T1217.EHZ. 2017-01-21T08:19:16.36 0.1 undecidable manual P 292 34.0437 50 -0.09 96
IV.T1202.EHZ. 2017-01-21T08:19:16.00 0.1 undecidable manual S 327 13.9749 127 0.17 98
IV.MC2.EHZ. 2017-01-21T08:19:16.79 0.1 undecidable manual P 343 36.3414 50 -0.02 97
IV.T1218.EHZ. 2017-01-21T08:19:16.70 0.1 undecidable manual S 296 18.3705 120 -0.41 92
IV.T1212.EHZ. 2017-01-21T08:19:15.46 0.1 undecidable manual P 308 28.0497 50 -0.07 97
IV.GIGS.HHZ. 2017-01-21T08:19:15.17 0.1 undecidable manual P 128 26.2515 50 -0.08 98
IV.CAMP.HHZ. 2017-01-21T08:19:14.60 0.1 undecidable manual S 133 10.0788 136 -0.22 97
IV.T1247.HHZ. 2017-01-21T08:19:14.07 0.1 undecidable manual P 185 17.3715 121 0.25 96
IV.LNSS.HHZ. 2017-01-21T08:19:14.74 0.1 positive manual P 272 22.6551 50 0.04 99
IV.T1218.EHZ. 2017-01-21T08:19:13.91 0.1 undecidable manual P 296 18.3705 120 -0.08 99
IV.T1202.EHZ. 2017-01-21T08:19:13.49 0.1 negative manual P 327 13.9749 127 0.24 97
IV.CAMP.HHZ. 2017-01-21T08:19:12.84 0.1 negative manual P 133 10.0788 136 0.17 99
IV.T1299.HNZ. 2017-01-21T08:19:11.85 0.1 positive manual P 324 4.995 155 -0.24 98
IV.SMA1.EHZ. 2017-01-21T08:19:11.85 0.1 positive manual P 21 3.8961 160 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:2.0 0.0011439999999999998 1.46 AML other m 2017-01-21T08:19:15.10
IV.CAMP.HHE. ML:2.4 0.0028200000000000005 1.38 AML other m 2017-01-21T08:19:15.88
IV.CESI.HHN. ML:2.1 0.00026249999999999993 1.2 AML other m 2017-01-21T08:19:29.73
IV.CESI.HHE. ML:1.9 0.000178 1.72 AML other m 2017-01-21T08:19:30.87
IV.CESX.HHE. ML:1.6 0.00007685 0.42 AML other m 2017-01-21T08:19:29.62
IV.CESX.HHN. ML:1.7 0.0001007 0.18 AML other m 2017-01-21T08:19:30.52
IV.FAGN.HHN. ML:2.1 0.00044 0.46 AML other m 2017-01-21T08:19:29.80
IV.FAGN.HHE. ML:2.1 0.000439 0.44 AML other m 2017-01-21T08:19:28.62
IV.FDMO.HHE. ML:1.6 0.0001115 1.1 AML other m 2017-01-21T08:19:30.18
IV.FDMO.HHN. ML:1.8 0.0001725 0.26 AML other m 2017-01-21T08:19:28.42
IV.FIAM.HHE. ML:1.6 0.00013350000000000002 1.18 AML other m 2017-01-21T08:19:27.30
IV.FIAM.HHN. ML:1.6 0.00014649999999999998 0.68 AML other m 2017-01-21T08:19:30.55
IV.GIGS.HHE. ML:1.6 0.000222 0.28 AML other m 2017-01-21T08:19:19.61
IV.GIGS.HHN. ML:1.4 0.0001525 0.42 AML other m 2017-01-21T08:19:21.33
IV.GUMA.HHN. ML:2.1 0.0003045 0.22 AML other m 2017-01-21T08:19:29.41
IV.GUMA.HHE. ML:2.1 0.000326 0.78 AML other m 2017-01-21T08:19:28.41
IV.LNSS.HHE. ML:2.0 0.0006145 0.5 AML other m 2017-01-21T08:19:19.69
IV.LNSS.HHN. ML:1.9 0.000564 0.36 AML other m 2017-01-21T08:19:22.13
IV.MOMA.HHN. ML:2.0 0.00017549999999999998 0.88 AML other m 2017-01-21T08:19:32.64
IV.MOMA.HHE. ML:2.0 0.0001865 0.2 AML other m 2017-01-21T08:19:32.46
IV.SMA1.EHE. ML:3.3 0.0314 0.18 AML other m 2017-01-21T08:19:13.21
IV.SMA1.EHN. ML:3.0 0.01785 0.26 AML other m 2017-01-21T08:19:13.13
IV.T1202.EHN. ML:3.0 0.00966 1.8 AML other m 2017-01-21T08:19:17.90
IV.T1202.EHE. ML:2.8 0.00706 0.5 AML other m 2017-01-21T08:19:17.00
IV.T1212.EHE. ML:2.0 0.0004685 0.2 AML other m 2017-01-21T08:19:19.97
IV.T1212.EHN. ML:1.9 0.000424 1.64 AML other m 2017-01-21T08:19:20.96
IV.T1215.EHE. ML:1.6 0.00011650000000000001 1.58 AML other m 2017-01-21T08:19:24.09
IV.T1215.EHN. ML:1.5 0.00009375 0.24 AML other m 2017-01-21T08:19:26.25
IV.T1216.EHE. ML:2.1 0.0004125 0.94 AML other m 2017-01-21T08:19:26.14
IV.T1216.EHN. ML:2.2 0.0005145 1.6 AML other m 2017-01-21T08:19:27.05
IV.T1217.EHN. ML:1.8 0.00026900000000000003 0.24 AML other m 2017-01-21T08:19:21.46
IV.T1217.EHE. ML:1.7 0.000224 0.36 AML other m 2017-01-21T08:19:24.20
IV.T1218.EHE. ML:2.1 0.0009425 0.16 AML other m 2017-01-21T08:19:16.90
IV.T1218.EHN. ML:2.4 0.002225 1.78 AML other m 2017-01-21T08:19:16.05
IV.T1247.HHE. ML:2.3 0.0017 0.66 AML other m 2017-01-21T08:19:19.03
IV.T1247.HHN. ML:2.3 0.0018399999999999998 0.62 AML other m 2017-01-21T08:19:20.26
IV.T1299.EHE. ML:2.7 0.008095000000000001 0.26 AML other m 2017-01-21T08:19:13.14
IV.T1299.HNE. ML:2.7 0.008085 0.26 AML other m 2017-01-21T08:19:13.14
IV.T1299.EHN. ML:2.5 0.005275 1.84 AML other m 2017-01-21T08:19:12.96
IV.T1299.HNN. ML:2.5 0.005175 1.84 AML other m 2017-01-21T08:19:12.96
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