Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 30-10-2016 and time 09:10:31 (Italy) in region 9 km N Cittareale (RI)

A magnitude ML 2.5 earthquake occured in region: 9 km N Cittareale (RI), on

  • 30-10-2016 08:10:31 (UTC)
  • 30-10-2016 09:10:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6960, 13.1290 at 16 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
Cittareale RI 9 482 482
Accumoli RI 10 667 1149
Cascia PG 10 3217 4366
Norcia PG 11 4957 9323
Amatrice RI 15 2657 11980
Monteleone di Spoleto PG 15 599 12579
Poggiodomo PG 16 117 12696
Arquata del Tronto AP 16 1178 13874
Posta RI 19 694 14568
Leonessa RI 20 2435 17003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Terni (111501 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 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
08:10:31		 42.6957 13.1292 16 2019-02-12
14:03:10		 Bollettino Sismico Italiano INGV 42074781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 08:10:31 ± 0.1
Latitude 42.6957 ± 0.0054
Longitude 13.1292 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 42074781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
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) 106
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) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 42074781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-07 10:44:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HNN. 2016-10-30T08:10:45.78 0.6 undecidable manual S 22 44.0226 98 0.35 44
IV.GIGS.HHZ. 2016-10-30T08:10:45.64 0.6 undecidable manual S 126 45.1215 98 -0.08 46
IV.TERO.HHZ. 2016-10-30T08:10:43.85 0.6 undecidable manual S 102 39.5271 100 -0.4 44
IV.T1247.HHZ. 2016-10-30T08:10:42.68 0.6 undecidable manual S 154 31.3464 103 0.57 44
IV.T1246.HHN. 2016-10-30T08:10:42.15 0.6 undecidable manual S 113 32.1456 103 -0.17 47
IV.ARRO.EHZ. 2016-10-30T08:10:42.68 0.6 undecidable manual S 247 32.3454 103 0.31 46
IV.T1211.HNN. 2016-10-30T08:10:41.60 0.6 undecidable manual S 231 28.749 105 0.17 48
IV.CAMP.HHE. 2016-10-30T08:10:41.44 0.6 undecidable manual S 128 28.9488 105 -0.03 48
IV.OFFI.HHE. 2016-10-30T08:10:41.20 0.1 undecidable manual P 59 52.503 97 0.52 83
IV.RM33.HNZ. 2016-10-30T08:10:40.01 0.3 undecidable manual S 161 21.867 113 0.32 71
IV.T1243.HHZ. 2016-10-30T08:10:40.56 0.6 undecidable manual S 90 26.0517 108 -0.17 47
IV.GUMA.HNN. 2016-10-30T08:10:39.97 0.6 undecidable manual P 22 44.0226 98 0.58 41
IV.GIGS.HHZ. 2016-10-30T08:10:39.21 0.3 undecidable manual P 126 45.1215 98 -0.34 66
IV.T1204.EHZ. 2016-10-30T08:10:38.09 0.6 undecidable manual S 98 15.4734 125 -0.1 49
IV.T1299.HNN. 2016-10-30T08:10:38.02 0.6 undecidable manual S 119 14.1747 128 0.1 50
IV.TERO.HHZ. 2016-10-30T08:10:38.28 0.3 undecidable manual P 102 39.5271 100 -0.43 66
IV.T1217.EHZ. 2016-10-30T08:10:38.02 0.3 undecidable manual S 276 16.2726 123 -0.34 70
IV.T1246.HHN. 2016-10-30T08:10:37.38 0.1 undecidable manual P 113 32.1456 103 -0.21 93
IV.ARRO.EHZ. 2016-10-30T08:10:37.51 0.3 undecidable manual P 247 32.3454 103 -0.11 72
IV.CAMP.HHE. 2016-10-30T08:10:37.10 0.3 undecidable manual P 128 28.9488 105 0 73
IV.LNSS.HHZ. 2016-10-30T08:10:37.66 0.3 undecidable manual S 215 12.5763 132 0.07 75
IV.T1247.HHZ. 2016-10-30T08:10:37.96 0.6 undecidable manual P 154 31.3464 103 0.49 44
IV.T1201.HNN. 2016-10-30T08:10:37.39 0.6 undecidable manual S 113 10.7781 138 0.14 50
IV.T1211.HNN. 2016-10-30T08:10:36.72 0.3 undecidable manual P 231 28.749 105 -0.36 68
IV.RM33.HNZ. 2016-10-30T08:10:36.19 0.3 undecidable manual P 161 21.867 113 0.12 73
IV.T1243.HHZ. 2016-10-30T08:10:36.36 0.1 undecidable manual P 90 26.0517 108 -0.32 92
IV.T1217.EHZ. 2016-10-30T08:10:35.10 0.1 undecidable manual P 276 16.2726 123 -0.21 96
IV.T1204.EHZ. 2016-10-30T08:10:35.14 0.1 undecidable manual P 98 15.4734 125 -0.06 99
IV.T1299.HNN. 2016-10-30T08:10:35.10 0.1 undecidable manual P 119 14.1747 128 0.05 100
IV.T1201.HNN. 2016-10-30T08:10:34.84 0.1 undecidable manual P 113 10.7781 138 0.17 98
IV.LNSS.HHZ. 2016-10-30T08:10:34.99 0.3 undecidable manual P 215 12.5763 132 0.13 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHN. ML:1.9 0.00020854299999999997 0.096 AML other m 2016-10-30T08:10:45.97
IV.GIGS.HHE. ML:2.1 0.00035283495 0.1024 AML other m 2016-10-30T08:10:46.16
IV.RM33.HNE. ML:2.4 0.0013568505000000001 0.1088 AML other m 2016-10-30T08:10:40.79
IV.RM33.HNN. ML:2.4 0.00169244215 0.2176 AML other m 2016-10-30T08:10:40.18
IV.T1204.EHE. ML:2.6 0.0032447680000000003 0.2816 AML other m 2016-10-30T08:10:39.68
IV.T1204.EHN. ML:2.5 0.0022537947555 0.0768 AML other m 2016-10-30T08:10:38.26
IV.T1217.HNN. ML:2.9 0.0060021115 0.256 AML other m 2016-10-30T08:10:38.28
IV.T1217.HNE. ML:2.6 0.0031720255000000004 0.16 AML other m 2016-10-30T08:10:38.22
IV.T1217.EHN. ML:2.9 0.0059130055 0.2688 AML other m 2016-10-30T08:10:38.15
IV.T1217.EHE. ML:2.6 0.0030880955 0.16 AML other m 2016-10-30T08:10:38.22
IV.T1247.HHE. ML:2.4 0.00110815025 0.1216 AML other m 2016-10-30T08:10:46.85
IV.T1247.HHN. ML:2.5 0.0012934980000000001 0.1408 AML other m 2016-10-30T08:10:46.52
IV.TERO.HHN. ML:2.6 0.0013551155000000002 0.1344 AML other m 2016-10-30T08:10:45.44
IV.TERO.HHE. ML:2.7 0.0016176075 0.096 AML other m 2016-10-30T08:10:45.28
IV.TERO.HNE. ML:2.6 0.0014137996 0.096 AML other m 2016-10-30T08:10:45.32
IV.TERO.HNN. ML:2.5 0.0011737991000000001 0.1536 AML other m 2016-10-30T08:10:45.44
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