Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-10-2016 and time 21:37:47 (Italy) in region 2 km NW Amatrice (RI)

A magnitude ML 2.3 earthquake occured in region: 2 km NW Amatrice (RI), on

  • 30-10-2016 20:37:47 (UTC)
  • 30-10-2016 21:37:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6440, 13.2820 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 2 2657 2657
Accumoli RI 6 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 12 542 4348
Montereale AQ 14 2581 6929
Capitignano AQ 14 665 7594
Arquata del Tronto AP 14 1178 8772
Acquasanta Terme AP 18 2916 11688
Cortino TE 19 656 12344
Borbona RI 19 617 12961
Crognaleto TE 19 1297 14258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
100 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 2.3 2016-10-30
20:37:47		 42.6442 13.2815 9 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47017821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:37:47 ± 0.05
Latitude 42.6442 ± 0.0036
Longitude 13.2815 ± 0.0037
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 47017821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.75363
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 47017821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 07:56:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2016-10-30T20:38:02.07 0.3 undecidable manual P 330 83.6496 50 -0.02 65
IV.T1211.EHZ. 2016-10-30T20:38:00.08 0.6 undecidable manual S 251 36.9297 50 -0.24 45
MN.AQU.HHZ. 2016-10-30T20:37:59.21 0.6 undecidable manual S 163 33.744 50 -0.25 46
IV.T1217.EHZ. 2016-10-30T20:37:58.00 0.6 undecidable manual S 285 29.5482 107 -0.2 46
IV.TRTR.HHZ. 2016-10-30T20:37:58.71 0.1 undecidable manual P 70 54.6009 50 1.09 65
IV.T0110.HHZ. 2016-10-30T20:37:58.47 0.3 undecidable manual P 138 61.2942 50 -0.18 66
IV.GIGS.HHZ. 2016-10-30T20:37:58.59 0.6 undecidable manual S 132 31.8459 50 -0.37 45
IV.VCEL.EHZ. 2016-10-30T20:37:57.65 0.3 undecidable manual P 121 53.4021 50 0.21 67
IV.MMO1.EHZ. 2016-10-30T20:37:57.55 0.6 undecidable manual S 7 28.5492 107 -0.32 45
IV.GUMA.HHZ. 2016-10-30T20:37:56.63 0.6 undecidable manual P 5 46.62 50 0.24 45
IV.T1241.EHZ. 2016-10-30T20:37:56.98 0.6 undecidable manual S 27 26.4513 108 -0.22 46
IV.FAGN.HHZ. 2016-10-30T20:37:56.87 0.3 undecidable manual P 149 48.7179 50 0.15 68
IV.TERO.HNZ. 2016-10-30T20:37:56.61 0.6 undecidable manual S 95 26.4513 109 -0.56 43
IV.OFFI.HHZ. 2016-10-30T20:37:56.95 0.3 undecidable manual P 45 46.1205 50 0.65 60
IV.ARRO.EHZ. 2016-10-30T20:37:55.63 0.3 undecidable manual P 260 42.7239 50 -0.16 69
IV.LNSS.HHZ. 2016-10-30T20:37:55.34 0.6 undecidable manual S 257 20.1687 114 0.19 47
IV.T1247.HHZ. 2016-10-30T20:37:55.85 0.6 undecidable manual S 176 22.5552 111 -0.05 48
IV.FIAM.HHZ. 2016-10-30T20:37:55.84 0.3 undecidable manual P 198 43.8228 50 -0.12 69
IV.RM33.EHZ. 2016-10-30T20:37:54.32 0.6 undecidable manual S 200 15.9729 119 0.49 45
MN.AQU.HHZ. 2016-10-30T20:37:54.32 0.1 undecidable manual P 163 33.744 50 -0.09 94
IV.T1246.HHN. 2016-10-30T20:37:54.52 0.3 undecidable manual S 111 18.5703 116 -0.1 72
IV.T1211.EHZ. 2016-10-30T20:37:54.61 0.3 undecidable manual P 251 36.9297 50 -0.29 67
IV.MMO1.EHZ. 2016-10-30T20:37:53.33 0.3 undecidable manual P 7 28.5492 107 -0.16 70
IV.GIGS.HHZ. 2016-10-30T20:37:53.62 0.1 undecidable manual P 132 31.8459 50 -0.5 87
IV.T1217.EHZ. 2016-10-30T20:37:53.44 0.3 undecidable manual P 285 29.5482 107 -0.24 69
IV.T1243.HNZ. 2016-10-30T20:37:53.40 0.6 undecidable manual S 67 14.7741 121 -0.08 49
IV.T1241.EHZ. 2016-10-30T20:37:53.13 0.1 undecidable manual P 27 26.4513 108 0.04 96
IV.CAMP.HHZ. 2016-10-30T20:37:53.81 0.6 undecidable manual S 139 15.873 119 0 49
IV.T1247.HHZ. 2016-10-30T20:37:52.46 0.3 undecidable manual P 176 22.5552 111 0.11 72
IV.TERO.HNZ. 2016-10-30T20:37:52.85 0.1 undecidable manual P 95 26.4513 109 -0.23 93
IV.LNSS.HHZ. 2016-10-30T20:37:52.11 0.3 undecidable manual P 257 20.1687 114 0.19 71
IV.CAMP.HHZ. 2016-10-30T20:37:51.30 0.1 negative manual P 139 15.873 119 0.15 96
IV.SMA1.EHZ. 2016-10-30T20:37:51.02 0.6 undecidable manual S 109 4.6953 152 0.06 50
IV.RM33.EHZ. 2016-10-30T20:37:51.41 0.1 positive manual P 200 15.9729 119 0.25 94
IV.T1246.HHN. 2016-10-30T20:37:51.69 0.1 undecidable manual P 111 18.5703 116 0.07 97
IV.T1243.HNZ. 2016-10-30T20:37:50.99 0.1 positive manual P 67 14.7741 121 0.04 98
IV.T1204.EHZ. 2016-10-30T20:37:50.79 0.6 undecidable manual S 39 4.5954 153 -0.16 49
IV.T1299.HNN. 2016-10-30T20:37:50.16 0.3 undecidable manual S 177 1.0989 173 -0.44 69
IV.T1201.HNN. 2016-10-30T20:37:50.57 0.3 undecidable manual S 300 2.8971 162 -0.16 73
IV.T1201.HNN. 2016-10-30T20:37:49.56 0.1 undecidable manual P 300 2.8971 162 0.2 97
IV.T1204.EHZ. 2016-10-30T20:37:49.66 0.1 undecidable manual P 39 4.5954 153 0.16 98
IV.T1299.HNN. 2016-10-30T20:37:49.36 0.1 undecidable manual P 177 1.0989 173 0.07 100
IV.SMA1.EHZ. 2016-10-30T20:37:49.79 0.1 negative manual P 109 4.6953 152 0.29 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLN. ML:2.1 0.00055855615 0.384 AML other m 2016-10-30T20:38:02.64
MN.AQU.HHN. ML:2.1 0.0005054682500000001 0.384 AML other m 2016-10-30T20:38:02.62
MN.AQU.HLE. ML:2.2 0.0006053024 0.448 AML other m 2016-10-30T20:38:03.19
MN.AQU.HHE. ML:2.1 0.0005686107499999999 0.448 AML other m 2016-10-30T20:38:03.19
IV.ARRO.EHE. ML:2.0 0.00032260564999999996 0.2048 AML other m 2016-10-30T20:38:04.04
IV.ARRO.EHN. ML:2.2 0.00046529920000000003 0.2048 AML other m 2016-10-30T20:38:04.06
IV.ASSB.HHE. ML:2.0 0.0001687452 0.2816 AML other m 2016-10-30T20:38:10.01
IV.ASSB.HHN. ML:2.0 0.00018375005 0.2432 AML other m 2016-10-30T20:38:11.02
IV.CAMP.HHE. ML:2.2 0.0014769030000000001 0.2816 AML other m 2016-10-30T20:37:53.93
IV.CAMP.HHN. ML:2.2 0.0015223985 0.2048 AML other m 2016-10-30T20:37:53.94
IV.FAGN.HHE. ML:2.5 0.00095583355 0.4096 AML other m 2016-10-30T20:38:09.24
IV.FAGN.HHN. ML:2.5 0.0008020771 0.3712 AML other m 2016-10-30T20:38:09.18
IV.FIAM.HHE. ML:1.8 0.0001948734 0.4608 AML other m 2016-10-30T20:38:02.30
IV.FIAM.HHN. ML:1.8 0.00018028905 0.448 AML other m 2016-10-30T20:38:08.32
IV.FOSV.EHE. ML:1.8 0.00007759441999999999 0.3328 AML other m 2016-10-30T20:38:19.03
IV.FOSV.EHN. ML:1.9 0.00011185887 0.3584 AML other m 2016-10-30T20:38:18.48
IV.GIGS.HHN. ML:1.6 0.000198441 0.0896 AML other m 2016-10-30T20:37:58.96
IV.GIGS.HHE. ML:1.6 0.00019286815 0.0512 AML other m 2016-10-30T20:37:59.05
IV.GUMA.HHE. ML:2.7 0.001486813 0.256 AML other m 2016-10-30T20:38:03.96
IV.GUMA.HNE. ML:2.6 0.0010605917499999999 0.3584 AML other m 2016-10-30T20:38:03.96
IV.GUMA.HNN. ML:2.5 0.0008568144500000002 0.3072 AML other m 2016-10-30T20:38:04.42
IV.GUMA.HHN. ML:2.5 0.0009480735 0.4352 AML other m 2016-10-30T20:38:04.40
IV.LNSS.HHN. ML:2.6 0.002943622 0.1408 AML other m 2016-10-30T20:37:56.51
IV.LNSS.HHE. ML:2.2 0.00110135215 0.3712 AML other m 2016-10-30T20:37:55.79
IV.OFFI.HHE. ML:2.2 0.00042270975 0.2176 AML other m 2016-10-30T20:38:06.91
IV.OFFI.HHN. ML:2.2 0.0005190141000000001 0.4608 AML other m 2016-10-30T20:38:13.29
IV.RM33.HNN. ML:2.5 0.003173758 0.256 AML other m 2016-10-30T20:37:54.69
IV.RM33.HNE. ML:2.5 0.0028297049999999996 0.4352 AML other m 2016-10-30T20:37:56.70
IV.RM33.EHE. ML:2.5 0.0027820435000000003 0.4224 AML other m 2016-10-30T20:37:56.71
IV.RM33.EHN. ML:2.5 0.003200852 0.256 AML other m 2016-10-30T20:37:54.57
IV.T0110.HHN. ML:2.4 0.0005435452000000001 0.256 AML other m 2016-10-30T20:38:10.16
IV.T0110.HHE. ML:2.3 0.0003675217 0.2944 AML other m 2016-10-30T20:38:08.88
IV.T1204.EHN. ML:2.3 0.003961344 0.1024 AML other m 2016-10-30T20:37:51.28
IV.T1204.EHE. ML:2.7 0.009712954 0.3328 AML other m 2016-10-30T20:37:51.21
IV.T1211.EHN. ML:2.4 0.0008766418 0.4352 AML other m 2016-10-30T20:38:00.30
IV.T1211.HNE. ML:2.3 0.00074883745 0.0768 AML other m 2016-10-30T20:38:01.67
IV.T1211.EHE. ML:2.3 0.000743803 0.0896 AML other m 2016-10-30T20:38:01.68
IV.T1211.HNN. ML:2.4 0.0009005912 0.4352 AML other m 2016-10-30T20:38:00.08
IV.T1215.EHN. ML:2.0 0.000365174 0.064 AML other m 2016-10-30T20:38:11.51
IV.T1215.HNN. ML:2.0 0.0003478075 0.064 AML other m 2016-10-30T20:38:11.51
IV.T1215.EHE. ML:2.0 0.00034938868 0.064 AML other m 2016-10-30T20:38:03.61
IV.T1215.HNE. ML:2.0 0.00034130143000000003 0.0896 AML other m 2016-10-30T20:38:03.61
IV.T1217.HNE. ML:2.2 0.00089671955 0.3456 AML other m 2016-10-30T20:38:00.29
IV.T1217.EHN. ML:2.3 0.00113974845 0.3072 AML other m 2016-10-30T20:37:58.09
IV.T1217.HNN. ML:2.3 0.00101437435 0.2304 AML other m 2016-10-30T20:37:58.09
IV.T1217.EHE. ML:2.2 0.00081593238 0.192 AML other m 2016-10-30T20:37:58.58
IV.T1241.EHN. ML:1.9 0.0004569076 0.5376 AML other m 2016-10-30T20:38:03.97
IV.T1241.EHE. ML:2.0 0.0005492227000000001 0.4992 AML other m 2016-10-30T20:37:59.49
IV.T1245.HNN. ML:2.5 0.0019698610000000003 0.3712 AML other m 2016-10-30T20:38:00.66
IV.T1245.HHE. ML:2.4 0.00154996 0.2944 AML other m 2016-10-30T20:38:00.54
IV.T1245.HHN. ML:2.5 0.001959564 0.3712 AML other m 2016-10-30T20:38:00.66
IV.T1245.HNE. ML:2.4 0.001628721 0.2944 AML other m 2016-10-30T20:38:00.54
IV.T1247.HHN. ML:2.6 0.0024100605 0.2176 AML other m 2016-10-30T20:37:58.52
IV.T1247.HHE. ML:2.4 0.0018617895 0.2688 AML other m 2016-10-30T20:38:00.47
IV.TERO.HHN. ML:2.8 0.0037932305 0.1792 AML other m 2016-10-30T20:37:57.14
IV.TERO.HNN. ML:2.8 0.0034661505000000005 0.192 AML other m 2016-10-30T20:37:57.14
IV.TERO.HNE. ML:2.6 0.00221591275 0.1152 AML other m 2016-10-30T20:37:57.78
IV.TERO.HHE. ML:2.6 0.002509403 0.1152 AML other m 2016-10-30T20:37:57.78
IV.TRTR.HHN. ML:2.5 0.00081062075 0.4608 AML other m 2016-10-30T20:38:08.52
IV.TRTR.HHE. ML:2.4 0.0006532301999999999 0.64 AML other m 2016-10-30T20:38:17.48
IV.VCEL.EHN. ML:2.3 0.00044740310000000006 0.2688 AML other m 2016-10-30T20:38:07.71
IV.VCEL.EHE. ML:2.4 0.0006573302999999999 0.3328 AML other m 2016-10-30T20:38:06.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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