Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-11-2016 and time 15:23:37 (UTC) in region 3 km W Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 3 km W Accumoli (RI), on

  • 01-11-2016 15:23:37 (UTC)
  • 01-11-2016 16:23:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6900, 13.2070 at 13 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
Accumoli RI 4 667 667
Cittareale RI 9 482 1149
Amatrice RI 9 2657 3806
Arquata del Tronto AP 12 1178 4984
Norcia PG 15 4957 9941
Cascia PG 16 3217 13158
Montereale AQ 19 2581 15739
Acquasanta Terme AP 19 2916 18655
Campotosto AQ 20 542 19197
Montegallo AP 20 523 19720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
87 Km W of Chieti (51815 inhabitants)
95 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 1.6 2016-11-01
15:23:37		 42.6897 13.2068 13 2019-02-12
14:03:29		 Bollettino Sismico Italiano INGV 52553191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-01 15:23:37 ± 0.04
Latitude 42.6897 ± 0.0027
Longitude 13.2068 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52553191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 123
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42898
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 52553191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-12 13:25:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-11-01T15:23:59.99 3.0 undecidable manual S -1.38 0
IV.T1256.HNZ. 2016-11-01T15:23:48.80 0.1 undecidable manual S 3 35.1426 95 -0.44 87
IV.T1221.EHZ. 2016-11-01T15:23:48.13 0.1 undecidable manual S 100
IV.T1211.EHZ. 2016-11-01T15:23:48.71 0.1 undecidable manual S 239 33.5442 95 -0.11 94
IV.ASSB.HHZ. 2016-11-01T15:23:47.63 3.0 undecidable manual P -0.38 0
IV.T1246.HHN. 2016-11-01T15:23:46.64 0.1 undecidable manual S 117 26.1516 98 -0.21 93
IV.T1220.EHZ. 2016-11-01T15:23:46.34 0.1 undecidable manual P 348 47.619 93 0.19 90
IV.CAMP.HHE. 2016-11-01T15:23:46.20 0.1 undecidable manual S 136 23.754 100 -0.02 97
IV.T1217.EHZ. 2016-11-01T15:23:45.76 0.1 undecidable manual S 276 22.5552 101 -0.16 95
IV.FIAM.HHZ. 2016-11-01T15:23:45.96 0.1 undecidable manual P 189 47.3193 93 -0.14 91
IV.CESI.HHZ. 2016-11-01T15:23:45.12 0.1 undecidable manual P 325 42.7239 94 -0.27 89
IV.RM33.EHZ. 2016-11-01T15:23:45.10 0.1 undecidable manual S 178 20.0688 104 -0.15 95
XO.AM05.EHZ. 2016-11-01T15:23:44.35 0.1 undecidable manual P 20 34.0437 95 0.29 90
IV.T1245.HHZ. 2016-11-01T15:23:44.55 3.0 undecidable manual S 0
IV.T1243.HHZ. 2016-11-01T15:23:44.81 0.1 undecidable manual S 88 19.6692 104 -0.35 91
IV.LNSS.HHZ. 2016-11-01T15:23:44.35 0.1 undecidable manual S 235 16.6722 110 -0.03 98
IV.T1256.HNZ. 2016-11-01T15:23:44.42 0.1 undecidable manual P 3 35.1426 95 0.19 92
IV.GIGS.HHZ. 2016-11-01T15:23:44.94 0.1 undecidable manual P 131 39.7269 94 0 95
IV.FDMO.HHZ. 2016-11-01T15:23:44.93 0.1 undecidable manual P 346 39.7269 94 0 95
IV.FEMA.HNE. 2016-11-01T15:23:43.70 0.1 undecidable manual P 337 32.8449 95 -0.17 93
IV.T1215.EHZ. 2016-11-01T15:23:43.61 0.1 positive manual P 294 30.2475 96 0.13 94
IV.T1211.EHZ. 2016-11-01T15:23:43.99 0.1 undecidable manual P 239 33.5442 95 0 96
IV.T1246.HHN. 2016-11-01T15:23:43.04 0.1 undecidable manual P 117 26.1516 98 0.19 93
IV.TERO.HHZ. 2016-11-01T15:23:43.81 0.1 undecidable manual P 103 33.2445 95 -0.12 93
IV.CAMP.HHE. 2016-11-01T15:23:42.70 0.1 undecidable manual P 136 23.754 100 0.22 93
IV.T1241.EHZ. 2016-11-01T15:23:42.89 0.1 undecidable manual P 45 25.9518 98 0.07 96
IV.T1204.EHZ. 2016-11-01T15:23:42.52 0.1 undecidable manual S 100 9.0798 135 -0.15 97
IV.T1217.EHZ. 2016-11-01T15:23:42.39 0.1 positive manual P 276 22.5552 101 0.08 96
IV.T1201.HNN. 2016-11-01T15:23:42.00 0.1 undecidable manual S 135 5.0949 153 -0.04 100
IV.MMO1.EHZ. 2016-11-01T15:23:42.84 0.1 undecidable manual P 23 25.2525 99 0.13 95
IV.T1245.HHZ. 2016-11-01T15:23:42.55 3.0 undecidable manual P 0
IV.T1216.EHZ. 2016-11-01T15:23:42.78 0.1 undecidable manual P 326 27.0507 98 -0.2 93
IV.LNSS.HHZ. 2016-11-01T15:23:41.60 0.1 undecidable manual P 235 16.6722 110 0.18 95
IV.RM33.EHZ. 2016-11-01T15:23:41.97 0.1 positive manual P 178 20.0688 104 0.04 97
IV.NRCA.HNZ. 2016-11-01T15:23:41.80 0.1 negative manual P 335 17.6712 108 0.23 94
IV.T1243.HHZ. 2016-11-01T15:23:41.87 0.1 undecidable manual P 88 19.6692 104 0 98
IV.T1299.HNN. 2016-11-01T15:23:40.60 0.1 undecidable manual P 135 8.6802 137 0.21 96
IV.T1204.EHZ. 2016-11-01T15:23:40.62 0.1 positive manual P 100 9.0798 135 0.19 96
IV.T1201.HNN. 2016-11-01T15:23:40.28 0.1 negative manual P 135 5.0949 153 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.6 0.00029393815 0.1408 AML other m 2016-11-01T15:23:45.20
IV.LNSS.HHN. ML:1.9 0.0006857952000000001 0.1664 AML other m 2016-11-01T15:23:44.57
IV.RM33.HNN. ML:1.5 0.0002028359855 0.1152 AML other m 2016-11-01T15:23:45.43
IV.RM33.HNE. ML:1.5 0.0002271763 0.1152 AML other m 2016-11-01T15:23:45.41
IV.RM33.EHE. ML:1.5 0.00021810689999999998 0.2048 AML other m 2016-11-01T15:23:46.07
IV.RM33.EHN. ML:1.5 0.00020610885 0.1152 AML other m 2016-11-01T15:23:45.38
IV.T1217.EHE. ML:1.5 0.00020505755 0.1024 AML other m 2016-11-01T15:23:46.55
IV.T1217.HNN. ML:1.6 0.00023955899999999997 0.2304 AML other m 2016-11-01T15:23:45.97
IV.T1217.HNE. ML:1.6 0.00021420124999999994 0.0896 AML other m 2016-11-01T15:23:46.50
IV.T1217.EHN. ML:1.6 0.00022723499999999997 0.2048 AML other m 2016-11-01T15:23:46.30
IV.T1215.EHN. ML:1.6 0.00018572954999999995 0.064 AML other m 2016-11-01T15:23:47.46
IV.T1215.EHE. ML:1.6 0.00020003150000000002 0.064 AML other m 2016-11-01T15:23:47.19
IV.T1215.HNE. ML:1.6 0.00019568015 0.0896 AML other m 2016-11-01T15:23:47.17
IV.T1215.HNN. ML:1.6 0.00017829634999999997 0.064 AML other m 2016-11-01T15:23:47.46
IV.TERO.HNE. ML:1.3 0.000090427915 0.128 AML other m 2016-11-01T15:23:49.26
IV.TERO.HNN. ML:1.3 0.00007734749999999998 0.1152 AML other m 2016-11-01T15:23:49.19
IV.TERO.HHE. ML:1.4 0.00010136186 0.128 AML other m 2016-11-01T15:23:49.26
IV.TERO.HHN. ML:1.3 0.00009102024 0.1152 AML other m 2016-11-01T15:23:49.19
IV.T1211.HNN. ML:1.6 0.00016498613000000002 0.128 AML other m 2016-11-01T15:23:51.66
IV.T1211.HNE. ML:1.7 0.00019035442 0.0896 AML other m 2016-11-01T15:23:49.09
XO.AM05.HNE. ML:1.9 0.00031954630000000003 0.1152 AML other m 2016-11-01T15:23:55.04
XO.AM05.EHN. ML:1.5 0.00012336387000000002 0.128 AML other m 2016-11-01T15:23:55.19
XO.AM05.HNN. ML:2.0 0.00036083265 0.1024 AML other m 2016-11-01T15:23:55.22
XO.AM05.EHE. ML:2.4 0.00101958905 0.1152 AML other m 2016-11-01T15:23:55.10
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