Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 30-09-2016 and time 09:20:05 (Italy) in region 9 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 9 km SE Castelsantangelo sul Nera (MC), on

  • 30-09-2016 07:20:05 (UTC)
  • 30-09-2016 09:20:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8220, 13.1940 at 15 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 9 281 281
Norcia PG 9 4957 5238
Arquata del Tronto AP 10 1178 6416
Montegallo AP 12 523 6939
Montemonaco AP 14 604 7543
Preci PG 14 724 8267
Ussita MC 14 444 8711
Accumoli RI 15 667 9378
Visso MC 15 1107 10485
Montefortino FM 18 1178 11663
Acquasanta Terme AP 19 2916 14579
Cascia PG 19 3217 17796
Bolognola MC 19 142 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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
Reviewed
Rev100 		ML 0.4 2016-09-30
07:20:05		 42.8223 13.1943 15 2016-09-30
07:29:17		 Sala Sismica INGV-Roma 29697001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-30 07:20:05 ± 0.39
Latitude 42.8223 ± 0.0063
Longitude 13.1943 ± 0.0159
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29697001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 984
Semi-minor axis of confidence ellipse (meter) 918
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 237
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.70521
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 29697001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-30 07:29:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2016-09-30T07:21:53.99 3.0 undecidable manual Sn -6.47 0
IV.SIRI.HHZ. 2016-09-30T07:21:41.99 3.0 undecidable manual Sn 411.2772 3.72 0
IV.EUCT.HNZ. 2016-09-30T07:21:37.99 3.0 undecidable manual Sg 8.45 0
IV.CAPR.HNZ. 2016-09-30T07:21:24.99 3.0 undecidable manual Sn -3.6 0
IV.LEOD.HNZ. 2016-09-30T07:21:21.99 3.0 undecidable manual Sn -1.45 0
IV.SERS.HHZ. 2016-09-30T07:21:09.09 3.0 undecidable manual Pn -2.19 0
IV.CAVE.HHZ. 2016-09-30T07:21:00.99 3.0 undecidable manual Sn -2 0
IV.TDS.HHZ. 2016-09-30T07:21:00.79 3.0 undecidable manual Pn -1.51 0
IV.SIRI.HHZ. 2016-09-30T07:20:53.58 3.0 positive manual Pn 411.2772 -0.06 0
IV.IMOL.HNZ. 2016-09-30T07:20:47.99 3.0 undecidable manual S 1.17 0
IV.GIUL.HHZ. 2016-09-30T07:20:41.99 3.0 undecidable manual Sn -0.89 0
GU.GRAM.HHZ. 2016-09-30T07:20:40.81 3.0 undecidable manual Pg 5.37 0
IV.T1243.HHZ. 2016-09-30T07:20:14.65 0.6 undecidable manual S 124 24.9528 106 -0.12 96
IV.T1241.HHZ. 2016-09-30T07:20:13.40 0.6 undecidable manual S 79 19.6692 113 -0.03 99
IV.T1202.EHZ. 2016-09-30T07:20:12.28 0.6 undecidable manual S 169 13.3755 127 0.29 95
IV.MMO1.EHZ. 2016-09-30T07:20:12.11 0.6 undecidable manual S 52 13.7751 127 0.04 100
IV.T1243.HHZ. 2016-09-30T07:20:10.98 1.0 undecidable manual P 124 24.9528 106 0.13 48
IV.T1242.HHZ. 2016-09-30T07:20:10.21 0.6 undecidable manual S 46 1.0989 175 -0.14 100
IV.T1241.HHZ. 2016-09-30T07:20:10.34 1.0 undecidable manual P 79 19.6692 113 0.26 47
IV.MMO1.EHZ. 2016-09-30T07:20:09.21 1.0 undecidable manual P 52 13.7751 127 -0.08 49
IV.T1242.HHZ. 2016-09-30T07:20:08.47 0.6 undecidable manual P 46 1.0989 175 0.17 100
IV.T1202.EHZ. 2016-09-30T07:20:08.49 1.0 undecidable manual P 169 13.3755 127 -0.76 40
IV.SRES.HHZ. 2016-09-30T07:20:08.11 3.0 negative manual P -1.63 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1242.HHE. ML:0.3 0.00002435 1.28 AML other m 2016-09-30T07:20:10.22
IV.T1242.HHN. ML:0.5 0.00003275 1 AML other m 2016-09-30T07:20:10.35
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