Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-10-2016 and time 21:57:22 (Italy) in region 5 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 2.3 earthquake occured in region: 5 km NE Castelsantangelo sul Nera (MC), on

  • 30-10-2016 20:57:22 (UTC)
  • 30-10-2016 21:57:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9280, 13.2010 at 7 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
Castelsantangelo sul Nera MC 5 281 281
Ussita MC 5 444 725
Bolognola MC 8 142 867
Visso MC 9 1107 1974
Montemonaco AP 11 604 2578
Acquacanina MC 12 121 2699
Montefortino FM 12 1178 3877
Fiastra MC 13 559 4436
Amandola FM 14 3629 8065
Preci PG 14 724 8789
Montegallo AP 14 523 9312
Sarnano MC 15 3264 12576
Fiordimonte MC 15 202 12778
Norcia PG 17 4957 17735
Pievebovigliana MC 18 866 18601
Comunanza AP 18 3166 21767
Monte Cavallo MC 18 145 21912
Pieve Torina MC 18 1458 23370
Arquata del Tronto AP 19 1178 24548
Gualdo MC 19 815 25363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
66 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 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
20:57:22		 42.928 13.2013 7 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47025411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:57:22 ± 0.09
Latitude 42.9280 ± 0.0054
Longitude 13.2013 ± 0.0074
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47025411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 592
Semi-minor axis of confidence ellipse (meter) 415
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) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.82468
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 47025411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 11:34:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-10-30T20:57:44.72 0.6 undecidable manual S 342 66.6777 50 0.72 39
IV.FOSV.EHZ. 2016-10-30T20:57:40.69 0.6 undecidable manual S 319 54.1014 50 0.04 48
IV.FSSB.HHZ. 2016-10-30T20:57:38.95 0.3 undecidable manual P 338 91.5417 50 0.05 67
IV.PIEI.HHZ. 2016-10-30T20:57:38.11 0.3 undecidable manual P 322 86.247 50 0.02 67
IV.ATVO.HHZ. 2016-10-30T20:57:37.19 0.3 undecidable manual P 308 81.6516 50 -0.2 65
IV.T1299.HNN. 2016-10-30T20:57:35.02 0.6 undecidable manual S 169 33.2445 102 0.36 46
IV.MNTP.HNZ. 2016-10-30T20:57:35.21 0.6 undecidable manual S 43 31.8459 103 1.03 36
IV.SEF1.HNN. 2016-10-30T20:57:34.35 0.6 undecidable manual S 320 31.8459 103 0.17 48
IV.ARVD.HHZ. 2016-10-30T20:57:34.61 0.1 undecidable manual P 342 66.6777 50 -0.46 84
IV.FOSV.EHZ. 2016-10-30T20:57:32.74 0.3 undecidable manual P 319 54.1014 50 -0.39 65
IV.OFFI.HHE. 2016-10-30T20:57:31.55 0.3 undecidable manual P 89 39.3273 50 0.69 62
IV.T1241.HNN. 2016-10-30T20:57:30.61 0.6 undecidable manual S 113 20.2686 109 0.28 48
IV.MNTP.HNZ. 2016-10-30T20:57:29.49 0.3 undecidable manual P 43 31.8459 103 0.1 73
IV.T1299.HNN. 2016-10-30T20:57:29.52 0.3 undecidable manual P 169 33.2445 102 -0.16 72
IV.SEF1.HNN. 2016-10-30T20:57:29.10 0.3 undecidable manual P 320 31.8459 103 -0.3 70
IV.GUMA.HHZ. 2016-10-30T20:57:29.97 0.6 undecidable manual S 36 18.4704 111 0.23 48
IV.FEMA.HNE. 2016-10-30T20:57:28.60 0.6 undecidable manual S 287 12.876 119 0.63 43
IV.T1241.HNN. 2016-10-30T20:57:27.12 0.3 undecidable manual P 113 20.2686 109 -0.06 75
XO.AM05.EHZ. 2016-10-30T20:57:27.94 0.3 undecidable manual S 66 13.4754 118 -0.21 74
IV.T1256.HHZ. 2016-10-30T20:57:26.36 0.6 undecidable manual S 13 8.88 128 -0.46 48
IV.GUMA.HHZ. 2016-10-30T20:57:26.91 0.1 undecidable manual P 36 18.4704 111 0.07 100
IV.MMO1.EHZ. 2016-10-30T20:57:26.92 0.6 undecidable manual S 107 10.6782 124 -0.4 48
IV.FEMA.HNE. 2016-10-30T20:57:26.11 0.3 undecidable manual P 287 12.876 119 0.3 72
XO.AM05.EHZ. 2016-10-30T20:57:25.78 0.1 undecidable manual P 66 13.4754 118 -0.14 100
IV.MMO1.EHZ. 2016-10-30T20:57:25.23 0.3 undecidable manual P 107 10.6782 124 -0.21 74
IV.T1256.HHZ. 2016-10-30T20:57:24.87 0.1 negative manual P 13 8.88 128 -0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:2.6 0.004135 0.08 AML other m 2016-10-30T20:57:28.20
XO.AM05.HNN. ML:2.0 0.001206 0.08 AML other m 2016-10-30T20:57:28.16
XO.AM05.HNE. ML:1.8 0.000669 0.9 AML other m 2016-10-30T20:57:28.03
XO.AM05.EHN. ML:1.5 0.0003875 1.04 AML other m 2016-10-30T20:57:28.18
IV.ARVD.HHE. ML:2.1 0.000208 0.3 AML other m 2016-10-30T20:57:45.96
IV.ARVD.HHN. ML:1.8 0.0001275 0.28 AML other m 2016-10-30T20:57:47.54
IV.ATVO.HHN. ML:1.8 0.0000761 0.56 AML other m 2016-10-30T20:57:52.71
IV.ATVO.HHE. ML:1.7 0.00006615 1.6 AML other m 2016-10-30T20:57:52.94
IV.FOSV.EHE. ML:2.1 0.0003285 0.96 AML other m 2016-10-30T20:57:41.51
IV.FOSV.EHN. ML:2.1 0.0003265 0.26 AML other m 2016-10-30T20:57:42.40
IV.FSSB.HHN. ML:2.6 0.0004265 0.34 AML other m 2016-10-30T20:57:54.41
IV.FSSB.HHE. ML:2.4 0.000307 1.22 AML other m 2016-10-30T20:57:55.30
IV.GUMA.HHE. ML:2.5 0.0029300000000000003 0.68 AML other m 2016-10-30T20:57:30.35
IV.GUMA.HNE. ML:2.6 0.003005 0.58 AML other m 2016-10-30T20:57:31.00
IV.GUMA.HHN. ML:2.6 0.0032199999999999998 0.42 AML other m 2016-10-30T20:57:31.55
IV.GUMA.HNN. ML:2.4 0.002395 0.48 AML other m 2016-10-30T20:57:31.56
IV.PIEI.HHE. ML:1.8 0.0000751 0.74 AML other m 2016-10-30T20:57:52.09
IV.PIEI.HHN. ML:1.9 0.00009540000000000001 0.18 AML other m 2016-10-30T20:57:51.38
IV.T1256.HNN. ML:2.6 0.006935 0.36 AML other m 2016-10-30T20:57:27.31
IV.T1256.HHN. ML:2.6 0.0066500000000000005 0.36 AML other m 2016-10-30T20:57:27.31
IV.T1256.HNE. ML:2.6 0.0071449999999999994 0.28 AML other m 2016-10-30T20:57:27.10
IV.T1256.HHE. ML:2.6 0.007355 0.28 AML other m 2016-10-30T20:57:27.11
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