Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 30-10-2016 and time 09:19:02 (Italy) in region 5 km W Accumoli (RI)

A magnitude ML 2.5 earthquake occured in region: 5 km W Accumoli (RI), on

  • 30-10-2016 08:19:02 (UTC)
  • 30-10-2016 09:19:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7130, 13.1910 at 12 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 5 667 667
Cittareale RI 11 482 1149
Arquata del Tronto AP 11 1178 2327
Norcia PG 12 4957 7284
Amatrice RI 12 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 19 523 13681
Acquasanta Terme AP 19 2916 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km W of Pescara (121014 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
90 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 2.5 2016-10-30
08:19:02		 42.713 13.1912 12 2019-02-12
14:03:10		 Bollettino Sismico Italiano INGV 42079011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 08:19:02 ± 0.07
Latitude 42.7130 ± 0.0045
Longitude 13.1912 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 42079011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 391
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.44786
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 42079011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-07 14:20:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HNN. 2016-10-30T08:19:15.61 0.3 undecidable manual S 17 40.5261 92 0.32 68
IV.TERO.HNZ. 2016-10-30T08:19:13.68 0.6 undecidable manual S 106 35.1426 92 -0.17 47
IV.CAMP.HHZ. 2016-10-30T08:19:11.43 0.3 undecidable manual S 138 26.4513 94 -0.12 73
IV.T1246.HHZ. 2016-10-30T08:19:11.92 0.6 undecidable manual S 120 28.5492 93 -0.17 48
IV.OFFI.HHE. 2016-10-30T08:19:11.43 0.3 undecidable manual P 58 47.2194 92 0.73 59
IV.FEMA.HNE. 2016-10-30T08:19:11.75 0.6 undecidable manual S 337 29.9478 93 -0.72 40
IV.GIGS.HHZ. 2016-10-30T08:19:10.30 0.3 undecidable manual P 133 42.4242 92 0.33 68
IV.RM33.EHZ. 2016-10-30T08:19:10.78 0.6 undecidable manual S 175 22.6551 95 0.24 47
IV.FIAM.HHZ. 2016-10-30T08:19:10.92 0.3 undecidable manual P 187 49.7169 91 -0.18 69
IV.T1216.EHZ. 2016-10-30T08:19:10.61 0.6 undecidable manual S 325 24.1536 95 -0.32 46
IV.LNSS.HHZ. 2016-10-30T08:19:09.53 0.6 undecidable manual S 225 17.3715 101 0.41 46
IV.T1217.HNZ. 2016-10-30T08:19:09.86 0.3 undecidable manual S 270 21.1677 96 -0.28 71
IV.GUMA.HNN. 2016-10-30T08:19:09.48 0.1 undecidable manual P 17 40.5261 92 -0.2 93
IV.T1243.HHZ. 2016-10-30T08:19:09.59 0.6 undecidable manual S 95 21.0678 97 -0.51 45
IV.ARRO.EHZ. 2016-10-30T08:19:09.37 0.6 undecidable manual P 247 37.7289 92 0.12 48
IV.TERO.HNZ. 2016-10-30T08:19:08.67 0.6 undecidable manual P 106 35.1426 92 -0.18 47
IV.FEMA.HNE. 2016-10-30T08:19:08.41 0.3 undecidable manual P 337 29.9478 93 0.36 69
IV.T1247.HHZ. 2016-10-30T08:19:08.20 0.3 undecidable manual P 164 31.3464 93 -0.07 73
IV.T1201.HNZ. 2016-10-30T08:19:07.04 0.3 undecidable manual S 142 7.881 136 0.15 75
IV.T1216.EHZ. 2016-10-30T08:19:07.37 0.3 undecidable manual P 325 24.1536 95 0.21 72
IV.T1299.HNZ. 2016-10-30T08:19:07.75 0.6 undecidable manual S 140 11.4774 120 0.1 50
IV.CAMP.HHZ. 2016-10-30T08:19:07.42 0.3 undecidable manual P 138 26.4513 94 -0.1 73
IV.T1204.EHZ. 2016-10-30T08:19:07.28 0.3 undecidable manual S 112 10.9779 122 -0.27 72
IV.T1246.HHZ. 2016-10-30T08:19:07.75 0.3 undecidable manual P 120 28.5492 93 -0.08 73
IV.RM33.EHZ. 2016-10-30T08:19:06.96 0.3 undecidable manual P 175 22.6551 95 0.02 74
IV.LNSS.HHZ. 2016-10-30T08:19:06.35 0.3 undecidable manual P 225 17.3715 101 0.23 72
IV.T1217.HNZ. 2016-10-30T08:19:06.50 0.1 undecidable manual P 270 21.1677 96 -0.2 96
IV.T1243.HHZ. 2016-10-30T08:19:06.65 0.3 undecidable manual P 95 21.0678 97 -0.03 75
IV.T1204.EHZ. 2016-10-30T08:19:05.03 0.3 undecidable manual P 112 10.9779 122 -0.18 74
IV.T1299.HNZ. 2016-10-30T08:19:05.36 0.1 undecidable manual P 140 11.4774 120 0.09 100
IV.T1201.HNZ. 2016-10-30T08:19:04.96 0.1 undecidable manual P 142 7.881 136 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:2.6 0.0019810335 0.2176 AML other m 2016-10-30T08:19:11.62
IV.CAMP.HHN. ML:2.2 0.0008222006 0.2176 AML other m 2016-10-30T08:19:12.47
IV.FIAM.HHN. ML:2.2 0.0004560213 0.4608 AML other m 2016-10-30T08:19:21.33
IV.FIAM.HHE. ML:2.3 0.0004875376 0.2048 AML other m 2016-10-30T08:19:18.72
IV.GIGS.HHE. ML:2.2 0.0005151706999999999 0.16 AML other m 2016-10-30T08:19:15.72
IV.GIGS.HHN. ML:1.8 0.00020150315 0.1792 AML other m 2016-10-30T08:19:16.05
IV.MNTP.HNN. ML:2.7 0.0012171880000000001 0.1792 AML other m 2016-10-30T08:19:21.01
IV.MNTP.HNE. ML:2.9 0.001805668725 0.2176 AML other m 2016-10-30T08:19:21.32
IV.RM33.HNE. ML:2.7 0.0032521754999999997 0.2368 AML other m 2016-10-30T08:19:12.28
IV.RM33.EHE. ML:2.7 0.0031117385 0.2432 AML other m 2016-10-30T08:19:12.29
IV.RM33.EHN. ML:2.6 0.0022400989999999997 0.2176 AML other m 2016-10-30T08:19:11.21
IV.RM33.HNN. ML:2.6 0.0022646235 0.2368 AML other m 2016-10-30T08:19:11.21
IV.T1204.EHN. ML:2.4 0.002506876 0.1984 AML other m 2016-10-30T08:19:09.65
IV.T1204.EHE. ML:2.6 0.0043612445 0.1984 AML other m 2016-10-30T08:19:09.43
IV.T1217.EHE. ML:2.8 0.0039611715 0.16 AML other m 2016-10-30T08:19:10.09
IV.T1217.EHN. ML:3.2 0.01006294 0.2688 AML other m 2016-10-30T08:19:10.13
IV.T1217.HNE. ML:2.8 0.0039477635 0.1408 AML other m 2016-10-30T08:19:10.08
IV.T1217.HNN. ML:3.2 0.0099367585 0.2688 AML other m 2016-10-30T08:19:10.13
IV.T1247.HHN. ML:2.6 0.001993001 0.1792 AML other m 2016-10-30T08:19:14.81
IV.T1247.HHE. ML:2.6 0.0020310695 0.1408 AML other m 2016-10-30T08:19:13.69
IV.TERO.HNN. ML:2.5 0.0011538084 0.1216 AML other m 2016-10-30T08:19:14.30
IV.TERO.HNE. ML:2.3 0.00080360975 0.3648 AML other m 2016-10-30T08:19:17.85
IV.TERO.HHN. ML:2.5 0.0012783927 0.1216 AML other m 2016-10-30T08:19:14.36
IV.TERO.HHE. ML:2.3 0.0008099137999999999 0.2176 AML other m 2016-10-30T08:19:17.88
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
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