Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 30-10-2016 and time 17:40:31 (UTC) in region 3 km W Visso (MC)

A magnitude ML 2.4 earthquake occured in region: 3 km W Visso (MC), on

  • 30-10-2016 17:40:31 (UTC)
  • 30-10-2016 18:40:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9210, 13.0520 at 10 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
Visso MC 3 1107 1107
Preci PG 5 724 1831
Ussita MC 8 444 2275
Castelsantangelo sul Nera MC 9 281 2556
Monte Cavallo MC 9 145 2701
Sellano PG 11 1079 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 14 1458 5440
Norcia PG 15 4957 10397
Fiastra MC 15 559 10956
Cerreto di Spoleto PG 16 1075 12031
Acquacanina MC 16 121 12152
Pievebovigliana MC 16 866 13018
Bolognola MC 17 142 13160
Muccia MC 18 915 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
95 Km NE 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 2.4 2016-10-30
17:40:31		 42.9213 13.0515 10 2019-02-12
14:03:21		 Bollettino Sismico Italiano INGV 46606601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 17:40:31 ± 0.06
Latitude 42.9213 ± 0.0045
Longitude 13.0515 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 46606601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 334
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.64212
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 46606601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-12 17:23:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHE. 2016-10-30T17:40:46.22 0.6 undecidable manual S 311 44.4222 50 0.03 47
IV.TRTR.HHE. 2016-10-30T17:40:45.19 0.3 undecidable manual P 100 71.2731 50 1 49
IV.GAG1.HNE. 2016-10-30T17:40:44.07 0.6 undecidable manual S 2 35.1426 50 0.34 45
IV.ASSB.HHZ. 2016-10-30T17:40:43.45 0.3 undecidable manual S 293 34.6431 50 -0.13 71
IV.T1201.HNN. 2016-10-30T17:40:43.38 0.6 undecidable manual S 151 33.4443 50 0.09 48
IV.T1241.HNN. 2016-10-30T17:40:42.71 0.6 undecidable manual S 103 31.6461 50 -0.09 48
IV.MDAR.HNZ. 2016-10-30T17:40:42.47 0.3 undecidable manual S 14 30.9468 50 -0.15 71
IV.GUMA.HNN. 2016-10-30T17:40:42.05 0.6 undecidable manual S 56 27.8499 50 0.27 46
IV.FIU1.HNZ. 2016-10-30T17:40:42.72 0.6 undecidable manual S 342 31.1466 50 0.05 48
IV.OFFI.HHE. 2016-10-30T17:40:41.86 0.3 undecidable manual P 88 51.5151 50 0.71 58
IV.SEF1.HNN. 2016-10-30T17:40:41.28 0.6 undecidable manual S 341 26.3514 50 -0.11 48
XO.AM05.HNZ. 2016-10-30T17:40:40.58 0.6 undecidable manual S 76 25.2525 112 -0.5 44
IV.MMO1.HNZ. 2016-10-30T17:40:39.73 0.6 undecidable manual S 96 22.4553 114 -0.47 45
IV.ATCC.EHE. 2016-10-30T17:40:39.99 0.1 undecidable manual P 311 44.4222 50 -0.06 94
IV.ASSB.HHZ. 2016-10-30T17:40:38.32 0.1 undecidable manual P 293 34.6431 50 -0.22 92
IV.T1201.HNN. 2016-10-30T17:40:38.20 0.3 undecidable manual P 151 33.4443 50 -0.17 70
IV.T1241.HNN. 2016-10-30T17:40:38.00 0.1 undecidable manual P 103 31.6461 50 -0.09 95
IV.T1256.HHZ. 2016-10-30T17:40:38.59 0.6 undecidable manual S 56 16.9719 121 0.08 49
IV.GAG1.HNE. 2016-10-30T17:40:38.71 0.1 undecidable manual P 2 35.1426 50 0.08 95
IV.SEF1.HNN. 2016-10-30T17:40:37.06 0.1 undecidable manual P 341 26.3514 50 -0.22 94
IV.T1245.HHZ. 2016-10-30T17:40:37.24 0.6 undecidable manual S 123 13.1757 127 -0.18 48
IV.FIU1.HNZ. 2016-10-30T17:40:37.91 0.3 undecidable manual P 342 31.1466 50 -0.11 71
IV.MDAR.HNZ. 2016-10-30T17:40:37.80 0.3 undecidable manual P 14 30.9468 50 -0.19 70
IV.GUMA.HNN. 2016-10-30T17:40:37.54 0.1 undecidable manual P 56 27.8499 50 0.04 97
IV.MMO1.HNZ. 2016-10-30T17:40:36.31 0.3 undecidable manual P 96 22.4553 114 -0.28 70
XO.AM05.HNZ. 2016-10-30T17:40:36.87 0.1 undecidable manual P 76 25.2525 112 -0.23 94
IV.T1256.HHZ. 2016-10-30T17:40:35.82 0.3 undecidable manual P 56 16.9719 121 0.21 72
IV.T1216.EHZ. 2016-10-30T17:40:35.46 0.3 undecidable manual S 218 4.2957 157 0.02 76
IV.T1245.HHZ. 2016-10-30T17:40:35.00 0.1 undecidable manual P 123 13.1757 127 0.02 100
IV.FEMA.HNZ. 2016-10-30T17:40:35.76 0.6 undecidable manual S 358 4.4955 156 0.29 48
IV.FEMA.HNZ. 2016-10-30T17:40:34.12 0.1 undecidable manual P 358 4.4955 156 0.26 97
IV.T1216.EHZ. 2016-10-30T17:40:33.97 0.1 undecidable manual P 218 4.2957 157 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1215.EHE. ML:1.9 0.0006585768 0.0768 AML other m 2016-10-30T17:40:40.11
IV.T1215.HNE. ML:1.9 0.0006660715499999999 0.0896 AML other m 2016-10-30T17:40:40.06
IV.T1215.HNN. ML:2.2 0.0010552698500000002 0.0896 AML other m 2016-10-30T17:40:39.09
IV.T1215.EHN. ML:2.2 0.0010712237 0.1152 AML other m 2016-10-30T17:40:39.15
IV.T1216.EHN. ML:3.0 0.0172283645 0.1408 AML other m 2016-10-30T17:40:35.71
IV.T1216.EHE. ML:3.1 0.02216947 0.3072 AML other m 2016-10-30T17:40:35.53
IV.T1217.HNN. ML:2.7 0.0027403024999999998 0.2048 AML other m 2016-10-30T17:40:32.42
IV.T1217.HNE. ML:2.4 0.0013947915 0.1536 AML other m 2016-10-30T17:40:33.31
IV.T1217.EHN. ML:2.7 0.002716057 0.2176 AML other m 2016-10-30T17:40:32.53
IV.T1217.EHE. ML:2.4 0.0013821575000000003 0.1536 AML other m 2016-10-30T17:40:33.31
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