Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-10-2016 and time 21:44:23 (Italy) in region 5 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Castelsantangelo sul Nera (MC), on

  • 30-10-2016 20:44:23 (UTC)
  • 30-10-2016 21:44:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8710, 13.1990 at 8 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 10 444 725
Montemonaco AP 11 604 1329
Visso MC 11 1107 2436
Montegallo AP 11 523 2959
Norcia PG 12 4957 7916
Preci PG 13 724 8640
Arquata del Tronto AP 14 1178 9818
Bolognola MC 14 142 9960
Montefortino FM 14 1178 11138
Amandola FM 18 3629 14767
Acquacanina MC 18 121 14888
Fiastra MC 19 559 15447
Accumoli RI 20 667 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
98 Km NW 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 1.6 2016-10-30
20:44:23		 42.8708 13.1987 8 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47020621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:44:23 ± 0.09
Latitude 42.8708 ± 0.0045
Longitude 13.1987 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47020621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
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) 61
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.65381
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:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 47020621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 09:25:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-10-30T20:44:36.89 0.3 undecidable manual P 343 72.5718 50 0.35 67
IV.T1299.HNZ. 2016-10-30T20:44:34.02 0.6 undecidable manual S 165 27.1506 107 0.66 44
IV.FOSV.EHZ. 2016-10-30T20:44:34.16 0.3 undecidable manual P 323 58.8966 50 -0.27 70
IV.ATCC.EHZ. 2016-10-30T20:44:33.89 0.3 undecidable manual P 308 57.1983 50 -0.27 70
IV.T1215.EHZ. 2016-10-30T20:44:33.20 0.6 undecidable manual S 254 27.9498 106 -0.43 48
IV.SMA1.EHZ. 2016-10-30T20:44:33.63 0.6 undecidable manual S 157 28.8489 106 -0.32 49
IV.T1204.EHZ. 2016-10-30T20:44:32.51 0.6 undecidable manual S 156 23.6541 109 0.29 50
IV.SNTG.HHZ. 2016-10-30T20:44:32.58 0.6 undecidable manual P 334 47.5191 50 -0.09 50
IV.GUMA.HHZ. 2016-10-30T20:44:32.66 0.6 undecidable manual S 27 23.9538 109 0.32 49
IV.ASSB.HHZ. 2016-10-30T20:44:32.36 0.3 undecidable manual P 294 47.8188 50 -0.36 70
XO.AM05.HNZ. 2016-10-30T20:44:30.07 0.6 undecidable manual S 47 17.1717 115 -0.07 52
IV.T1241.EHZ. 2016-10-30T20:44:30.96 0.6 undecidable manual S 95 18.9699 113 0.26 50
IV.FEMA.HNZ. 2016-10-30T20:44:30.04 0.6 undecidable manual S 310 15.7731 117 0.34 50
IV.SMA1.EHZ. 2016-10-30T20:44:29.42 0.3 undecidable manual P 157 28.8489 106 -0.14 76
IV.T1215.EHZ. 2016-10-30T20:44:29.31 0.6 undecidable manual P 254 27.9498 106 -0.06 52
IV.T1216.EHZ. 2016-10-30T20:44:29.73 0.6 undecidable manual S 279 14.7741 119 0.34 50
IV.T1299.HNZ. 2016-10-30T20:44:29.79 0.3 undecidable manual P 165 27.1506 107 0.57 69
IV.MMO1.EHZ. 2016-10-30T20:44:28.36 0.6 undecidable manual S 73 10.878 127 0.11 53
IV.T1204.EHZ. 2016-10-30T20:44:28.46 0.6 undecidable manual P 156 23.6541 109 -0.09 52
IV.GUMA.HHZ. 2016-10-30T20:44:28.64 0.3 undecidable manual P 27 23.9538 109 0.02 79
IV.T1216.EHZ. 2016-10-30T20:44:27.28 0.3 undecidable manual P 279 14.7741 119 0.36 74
IV.T1241.EHZ. 2016-10-30T20:44:27.71 0.3 undecidable manual P 95 18.9699 113 0.03 79
IV.FEMA.HNZ. 2016-10-30T20:44:27.73 0.3 undecidable manual P 310 15.7731 117 0.63 69
XO.AM05.HNZ. 2016-10-30T20:44:27.17 0.3 undecidable manual P 47 17.1717 115 -0.18 77
IV.T1245.HHZ. 2016-10-30T20:44:25.75 0.6 undecidable manual S 209 1.7982 167 -0.67 46
IV.MMO1.EHZ. 2016-10-30T20:44:25.91 0.1 undecidable manual P 73 10.878 127 -0.35 100
IV.T1245.HHZ. 2016-10-30T20:44:24.75 0.1 undecidable manual P 209 1.7982 167 -0.45 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:1.3 0.00003379807 0.1408 AML other m 2016-10-30T20:44:48.38
IV.ARVD.HHE. ML:1.3 0.00003452761 0.2688 AML other m 2016-10-30T20:44:51.26
IV.ASSB.HHE. ML:1.6 0.00011123285999999999 0.2432 AML other m 2016-10-30T20:44:48.94
IV.ASSB.HHN. ML:1.6 0.0001040003 0.2688 AML other m 2016-10-30T20:44:43.49
IV.ATCC.EHE. ML:1.7 0.00010406492000000001 0.2432 AML other m 2016-10-30T20:44:44.44
IV.ATCC.EHN. ML:1.6 0.00009253370999999999 0.1536 AML other m 2016-10-30T20:44:43.33
IV.FOSV.EHE. ML:1.6 0.00009349428 0.4096 AML other m 2016-10-30T20:44:43.55
IV.FOSV.EHN. ML:1.8 0.0001317793 0.2816 AML other m 2016-10-30T20:44:42.77
IV.SNTG.HHE. ML:1.6 0.00011117740000000001 0.1408 AML other m 2016-10-30T20:44:40.00
IV.SNTG.HHN. ML:1.6 0.00010137989 0.1408 AML other m 2016-10-30T20:44:39.86
IV.SNTG.HNE. ML:1.6 0.00010443898 0.1536 AML other m 2016-10-30T20:44:39.99
IV.T1215.HNN. ML:1.6 0.00023470957000000002 0.064 AML other m 2016-10-30T20:44:33.25
IV.T1215.EHN. ML:1.6 0.000241760575 0.064 AML other m 2016-10-30T20:44:33.28
IV.T1215.EHE. ML:1.6 0.0001990881 0.0896 AML other m 2016-10-30T20:44:33.92
IV.T1215.HNE. ML:1.6 0.00018974907500000001 0.0768 AML other m 2016-10-30T20:44:33.56
IV.T1245.HNN. ML:0.0 0.022199435 0.1408 AML other m 2016-10-30T20:44:26.03
IV.T1245.HHE. ML:0.0 0.025159445 0.1792 AML other m 2016-10-30T20:44:25.88
IV.T1245.HHN. ML:0.0 0.0237091 0.1408 AML other m 2016-10-30T20:44:26.03
IV.T1245.HNE. ML:0.0 0.026046215 0.1792 AML other m 2016-10-30T20:44:25.88
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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