Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-01-2017 and time 21:29:00 (Italy) in region 3 km SE Amatrice (RI)

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

  • 21-01-2017 20:29:00 (UTC)
  • 21-01-2017 21:29:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6110, 13.3140 at 10 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 3 2657 2657
Campotosto AQ 8 542 3199
Capitignano AQ 10 665 3864
Accumoli RI 11 667 4531
Montereale AQ 11 2581 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 16 656 9547
Barete AQ 18 737 10284
Arquata del Tronto AP 18 1178 11462
Cagnano Amiterno AQ 18 1369 12831
Borbona RI 18 617 13448
Acquasanta Terme AP 19 2916 16364
Rocca Santa Maria TE 19 537 16901
Pizzoli AQ 19 4326 21227
Fano Adriano TE 20 296 21523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
93 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
20:29:00		 42.6113 13.3137 10 2017-01-21
21:00:01		 Sala Sismica INGV-Roma 39527061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-21 20:29:00 ± 0.08
Latitude 42.6113 ± 0.0036
Longitude 13.3137 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39527061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 372
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 35
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64481
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 39527061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-21 21:00:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2017-01-21T20:29:35.91 3.0 undecidable manual Sg 7.44 0
IV.ARVD.HHZ. 2017-01-21T20:29:33.15 3.0 undecidable manual Sg 14.19 0
IV.CESI.HHZ. 2017-01-21T20:29:18.04 0.3 undecidable manual S 323 54.9006 50 0.07 68
IV.GUMA.HHZ. 2017-01-21T20:29:17.66 0.3 undecidable manual S 2 50.1165 50 0.97 52
IV.FDMO.HHZ. 2017-01-21T20:29:16.77 0.3 undecidable manual S 339 50.616 50 -0.06 69
IV.CING.HHZ. 2017-01-21T20:29:15.81 3.0 undecidable manual Sn 1.05 0
IV.ARRO.EHZ. 2017-01-21T20:29:15.85 0.3 undecidable manual S 266 44.9217 50 0.55 62
IV.T1215.EHZ. 2017-01-21T20:29:14.37 0.1 undecidable manual S 300 42.0246 50 -0.16 91
IV.SNTG.HHZ. 2017-01-21T20:29:14.53 3.0 undecidable manual Sn 0.19 0
IV.T1216.EHZ. 2017-01-21T20:29:13.45 0.3 undecidable manual S 322 39.2274 50 -0.32 66
IV.ASSB.HHZ. 2017-01-21T20:29:13.90 0.1 undecidable manual P 312 71.5728 50 0.69 74
IV.TOLF.HHZ. 2017-01-21T20:29:13.16 3.0 undecidable manual Sg -5.75 0
IV.T1217.EHZ. 2017-01-21T20:29:12.05 0.1 undecidable manual S 290 33.1446 50 -0.11 93
IV.MOMA.HHZ. 2017-01-21T20:29:12.78 3.0 undecidable manual S 0.79 0
IV.MC2.EHZ. 2017-01-21T20:29:12.46 0.3 undecidable manual S 343 34.8429 50 -0.14 69
IV.TRTR.HHZ. 2017-01-21T20:29:11.70 3.0 undecidable manual S 9.47 0
IV.T1222.EHZ. 2017-01-21T20:29:11.78 0.3 undecidable manual S 224 32.4453 50 -0.2 69
IV.GUMA.HHZ. 2017-01-21T20:29:10.13 0.1 undecidable manual P 2 50.1165 50 0.24 88
IV.CESI.HHZ. 2017-01-21T20:29:10.54 0.1 undecidable manual P 323 54.9006 50 -0.1 90
IV.T1212.EHZ. 2017-01-21T20:29:10.34 0.3 undecidable manual S 305 26.8509 50 -0.15 70
IV.OFFI.HHZ. 2017-01-21T20:29:10.15 3.0 undecidable manual Sn 5.87 0
IV.ARRO.EHZ. 2017-01-21T20:29:09.04 0.1 undecidable manual P 266 44.9217 50 -0.05 93
IV.LNSS.HHZ. 2017-01-21T20:29:09.15 0.3 undecidable manual S 268 22.3554 114 0.04 72
IV.FDMO.HHZ. 2017-01-21T20:29:09.86 0.1 undecidable manual P 339 50.616 50 -0.12 90
IV.T1247.HHZ. 2017-01-21T20:29:08.29 0.1 undecidable manual S 184 18.87 118 0.26 93
IV.T1216.EHZ. 2017-01-21T20:29:08.11 0.1 undecidable manual P 322 39.2274 50 -0.11 93
IV.T1215.EHZ. 2017-01-21T20:29:08.60 0.1 undecidable manual P 300 42.0246 50 -0.05 93
IV.T1218.EHZ. 2017-01-21T20:29:07.58 0.1 undecidable manual S 292 17.4714 120 -0.02 98
IV.MC2.EHZ. 2017-01-21T20:29:07.16 0.1 undecidable manual P 343 34.8429 50 -0.38 88
IV.T1217.EHZ. 2017-01-21T20:29:07.06 0.1 undecidable manual P 290 33.1446 50 -0.22 91
IV.T1202.EHZ. 2017-01-21T20:29:06.46 0.3 undecidable manual S 325 12.5763 129 0.28 70
IV.T1212.EHZ. 2017-01-21T20:29:06.09 0.6 undecidable manual P 305 26.8509 50 -0.23 46
IV.NRCA.HNZ. 2017-01-21T20:29:06.58 3.0 undecidable manual S 0.64 0
IV.RM33.EHZ. 2017-01-21T20:29:06.66 0.1 undecidable manual S 216 13.9749 126 0.09 97
IV.T1222.EHZ. 2017-01-21T20:29:06.98 0.1 undecidable manual P 224 32.4453 50 -0.2 92
IV.CAMP.HHZ. 2017-01-21T20:29:05.51 0.1 undecidable manual S 137 11.4774 131 -0.38 92
IV.T1247.HHZ. 2017-01-21T20:29:05.12 0.1 undecidable manual P 184 18.87 118 0.22 94
IV.LNSS.HHZ. 2017-01-21T20:29:05.40 0.1 undecidable manual P 268 22.3554 114 -0.12 95
IV.T1202.EHZ. 2017-01-21T20:29:04.39 0.1 undecidable manual P 325 12.5763 129 0.56 87
IV.T1218.EHZ. 2017-01-21T20:29:04.64 0.1 undecidable manual P 292 17.4714 120 0 98
IV.RM33.EHZ. 2017-01-21T20:29:04.28 0.1 undecidable manual P 216 13.9749 126 0.23 94
IV.T1299.EHZ. 2017-01-21T20:29:03.72 0.1 undecidable manual S 315 3.5964 160 -0.58 88
IV.CAMP.HHZ. 2017-01-21T20:29:03.67 0.1 undecidable manual P 137 11.4774 131 0.01 99
IV.T1299.EHZ. 2017-01-21T20:29:02.72 0.1 undecidable manual P 315 3.5964 160 -0.03 100
IV.LPEL.HHZ. 2017-01-21T20:29:02.37 3.0 undecidable manual S 2.06 0
IV.PIGN.HHZ. 2017-01-21T20:28:52.44 3.0 undecidable manual Pn -5.23 0
IV.LPEL.HHZ. 2017-01-21T20:28:50.18 3.0 undecidable manual P 0.22 0
IV.VIVA.HHZ. 2017-01-21T20:28:45.36 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.5 0.00009735 1.38 AML other m 2017-01-21T20:29:16.99
IV.ARRO.EHN. ML:1.6 0.0001105 0.62 AML other m 2017-01-21T20:29:18.54
IV.ASSB.HHE. ML:2.0 0.0001675 0.32 AML other m 2017-01-21T20:29:24.46
IV.ASSB.HHN. ML:2.0 0.00016849999999999998 0.2 AML other m 2017-01-21T20:29:24.96
IV.CAMP.HHN. ML:2.2 0.002025 0.22 AML other m 2017-01-21T20:29:05.80
IV.CAMP.HHE. ML:2.4 0.0029749999999999998 0.2 AML other m 2017-01-21T20:29:05.76
IV.CESI.HHE. ML:1.8 0.00014749999999999998 0.4 AML other m 2017-01-21T20:29:19.62
IV.CESI.HHN. ML:2.0 0.00023799999999999998 0.18 AML other m 2017-01-21T20:29:19.78
IV.CING.HHN. ML:1.9 0.00009245000000000001 0.86 AML other m 2017-01-21T20:29:29.55
IV.FDMO.HHN. ML:1.8 0.00014299999999999998 1.8 AML other m 2017-01-21T20:29:18.05
IV.FDMO.HHE. ML:1.7 0.0001265 1.7 AML other m 2017-01-21T20:29:18.93
IV.GUMA.HHE. ML:2.2 0.00039 1.58 AML other m 2017-01-21T20:29:23.00
IV.GUMA.HNN. ML:2.5 0.0007894999999999999 0.7 AML other m 2017-01-21T20:29:21.96
IV.GUMA.HHN. ML:2.2 0.0004145 0.5 AML other m 2017-01-21T20:29:22.69
IV.GUMA.HNE. ML:2.3 0.0005449999999999999 0.56 AML other m 2017-01-21T20:29:22.77
IV.LNSS.HHE. ML:1.9 0.000549 0.3 AML other m 2017-01-21T20:29:13.81
IV.LNSS.HHN. ML:1.9 0.0005560000000000001 0.58 AML other m 2017-01-21T20:29:12.52
IV.MOMA.HHN. ML:1.9 0.000144 0.9 AML other m 2017-01-21T20:29:24.02
IV.MOMA.HHE. ML:1.9 0.00013749999999999998 0.16 AML other m 2017-01-21T20:29:22.70
IV.NRCA.HNE. ML:2.4 0.0013250000000000002 1.02 AML other m 2017-01-21T20:29:11.04
IV.NRCA.HNN. ML:2.3 0.000911 0.8 AML other m 2017-01-21T20:29:11.04
IV.RM33.HNE. ML:2.2 0.0014550000000000001 0.72 AML other m 2017-01-21T20:29:07.14
IV.RM33.HNN. ML:2.2 0.00155 1.24 AML other m 2017-01-21T20:29:07.82
IV.RM33.EHN. ML:2.2 0.00158 1.26 AML other m 2017-01-21T20:29:07.83
IV.RM33.EHE. ML:2.1 0.0014399999999999999 0.9 AML other m 2017-01-21T20:29:07.95
IV.T1202.EHE. ML:3.0 0.009995 1.06 AML other m 2017-01-21T20:29:07.82
IV.T1202.EHN. ML:2.9 0.008074999999999999 1.18 AML other m 2017-01-21T20:29:07.14
IV.T1212.EHE. ML:2.0 0.000522 0.64 AML other m 2017-01-21T20:29:14.44
IV.T1212.EHN. ML:1.8 0.000386 0.66 AML other m 2017-01-21T20:29:11.68
IV.T1212.HNN. ML:1.8 0.0003865 0.48 AML other m 2017-01-21T20:29:10.56
IV.T1212.HNE. ML:2.0 0.0005615 0.62 AML other m 2017-01-21T20:29:14.43
IV.T1215.EHN. ML:1.7 0.00016295 1.54 AML other m 2017-01-21T20:29:16.84
IV.T1215.EHE. ML:1.8 0.0001895 0.46 AML other m 2017-01-21T20:29:15.72
IV.T1217.EHN. ML:1.8 0.0002665 0.42 AML other m 2017-01-21T20:29:14.23
IV.T1217.EHE. ML:1.8 0.000264 0.36 AML other m 2017-01-21T20:29:15.35
IV.T1217.HNN. ML:1.8 0.00028599999999999996 0.42 AML other m 2017-01-21T20:29:14.02
IV.T1217.HNE. ML:1.8 0.000251 0.34 AML other m 2017-01-21T20:29:15.52
IV.T1218.EHN. ML:1.9 0.0006775 0.34 AML other m 2017-01-21T20:29:08.50
IV.T1218.EHE. ML:1.8 0.0005385 0.72 AML other m 2017-01-21T20:29:10.03
IV.T1222.HNN. ML:1.8 0.0002925 0.6 AML other m 2017-01-21T20:29:12.15
IV.T1222.EHN. ML:1.7 0.0002315 0.24 AML other m 2017-01-21T20:29:13.03
IV.T1222.HNE. ML:1.7 0.00021050000000000002 0.38 AML other m 2017-01-21T20:29:21.24
IV.T1222.EHE. ML:1.7 0.00020549999999999998 1.3 AML other m 2017-01-21T20:29:17.67
IV.T1247.HHE. ML:2.2 0.0012349999999999998 0.16 AML other m 2017-01-21T20:29:08.60
IV.T1247.HHN. ML:2.2 0.0013340000000000001 0.78 AML other m 2017-01-21T20:29:09.00
IV.T1299.HNN. ML:2.7 0.009075 0.16 AML other m 2017-01-21T20:29:03.87
IV.T1299.EHE. ML:2.7 0.00943 0.2 AML other m 2017-01-21T20:29:03.87
IV.T1299.HNE. ML:2.7 0.00926 0.2 AML other m 2017-01-21T20:29:03.88
IV.T1299.EHN. ML:2.7 0.00919 0.14 AML other m 2017-01-21T20:29:03.88
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