Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-09-2016 and time 04:22:15 (Italy) in region 8 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 8 km E Castelsantangelo sul Nera (MC), on

  • 25-09-2016 02:22:15 (UTC)
  • 25-09-2016 04:22:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8620, 13.2390 at 8 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 8 281 281
Montegallo AP 8 523 804
Montemonaco AP 8 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 12 444 3030
Montefortino FM 12 1178 4208
Norcia PG 14 4957 9165
Visso MC 15 1107 10272
Bolognola MC 15 142 10414
Preci PG 16 724 11138
Amandola FM 16 3629 14767
Acquasanta Terme AP 17 2916 17683
Comunanza AP 18 3166 20849
Accumoli RI 19 667 21516
Palmiano AP 19 196 21712
Roccafluvione AP 19 2010 23722
Acquacanina MC 20 121 23843

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
59 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
87 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 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
Reviewed
Rev100 		ML 1.4 2016-09-25
02:22:15		 42.8618 13.239 8 2016-09-25
02:30:23		 Sala Sismica INGV-Roma 29501801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-25 02:22:15 ± 0.12
Latitude 42.8618 ± 0.0045
Longitude 13.2390 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29501801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 558
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 20
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 29501801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-25 02:30:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROM9.HNZ. 2016-09-25T02:22:48.99 3.0 undecidable manual S -0.17 0
IV.EL6.EHZ. 2016-09-25T02:22:25.09 3.0 positive manual P 0.37 0
IV.CING.HHZ. 2016-09-25T02:22:25.87 3.0 positive manual P 0.49 0
IV.CSP1.EHZ. 2016-09-25T02:22:24.51 0.3 undecidable manual S 354 25.6521 108 0.11 72
IV.GUMA.HHZ. 2016-09-25T02:22:24.18 0.3 undecidable manual S 19 23.5542 109 0.45 67
IV.SNTG.HHZ. 2016-09-25T02:22:24.27 3.0 positive manual P 0.15 0
IV.PP3.EHZ. 2016-09-25T02:22:23.91 3.0 positive manual P -2.51 0
IV.CAMP.HHZ. 2016-09-25T02:22:22.99 3.0 undecidable manual S -2.4 0
IV.T1216.EHZ. 2016-09-25T02:22:22.53 0.3 undecidable manual S 280 18.1707 114 0.56 65
IV.TERO.HHZ. 2016-09-25T02:22:22.76 0.1 undecidable manual P 132 39.8268 50 -0.23 91
IV.T1215.EHZ. 2016-09-25T02:22:21.39 0.1 undecidable manual P 258 30.8469 105 -0.06 95
IV.T1241.HHZ. 2016-09-25T02:22:21.65 0.1 undecidable manual S 92 15.6732 118 0.47 90
XO.AM05.EHZ. 2016-09-25T02:22:21.20 0.3 undecidable manual S 36 15.7731 117 -0.03 74
IV.CSP1.EHZ. 2016-09-25T02:22:20.09 0.1 undecidable manual P 354 25.6521 108 -0.36 90
IV.GUMA.HHZ. 2016-09-25T02:22:20.19 0.1 undecidable manual P 19 23.5542 109 0.13 95
IV.T1217.EHZ. 2016-09-25T02:22:20.05 3.0 undecidable manual P 0.72 0
IV.FDMO.HHZ. 2016-09-25T02:22:19.59 0.1 undecidable manual P 328 22.9548 110 -0.35 91
IV.T1216.EHZ. 2016-09-25T02:22:19.26 0.1 undecidable manual P 280 18.1707 114 0.21 95
IV.LNSS.HHZ. 2016-09-25T02:22:19.31 3.0 negative manual P 0.09 0
IV.NRCA.HHZ. 2016-09-25T02:22:19.76 0.3 undecidable manual S 253 10.5783 128 0.05 74
IV.MMO1.EHZ. 2016-09-25T02:22:18.67 0.1 undecidable manual S 60 8.2806 135 -0.42 92
IV.T1241.HHZ. 2016-09-25T02:22:18.88 0.1 undecidable manual P 92 15.6732 118 0.29 93
XO.AM05.EHZ. 2016-09-25T02:22:18.58 0.1 undecidable manual P 36 15.7731 117 -0.04 98
IV.T1243.HHZ. 2016-09-25T02:22:18.45 3.0 positive manual P 0.21 0
IV.SMA1.EHZ. 2016-09-25T02:22:18.10 3.0 negative manual P -0.07 0
IV.T1242.HHZ. 2016-09-25T02:22:18.08 0.1 undecidable manual S 218 4.5954 151 -0.23 96
IV.NRCA.HHZ. 2016-09-25T02:22:17.83 0.1 undecidable manual P 253 10.5783 128 0.09 98
IV.MMO1.EHZ. 2016-09-25T02:22:17.26 0.1 undecidable manual P 60 8.2806 135 -0.13 98
IV.T1204.EHZ. 2016-09-25T02:22:17.41 3.0 undecidable manual P -0.19 0
IV.T1242.HHZ. 2016-09-25T02:22:16.99 0.1 positive manual P 218 4.5954 151 0.05 100
IV.MC2.EHZ. 2016-09-25T02:22:16.98 0.1 undecidable manual P 323 6.7932 140 -0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:1.5 0.0003015 0.08 AML other m 2016-09-25T02:22:21.37
XO.AM05.EHN. ML:1.6 0.000363 0.24 AML other m 2016-09-25T02:22:21.33
IV.EL6.EHN. ML:1.5 0.00008015 1.58 AML other m 2016-09-25T02:22:20.92
IV.EL6.EHE. ML:1.3 0.000052199999999999995 1.34 AML other m 2016-09-25T02:23:13.45
IV.FDMO.HHN. ML:0.9 0.00005625 0.18 AML other m 2016-09-25T02:22:25.24
IV.FDMO.HHE. ML:0.9 0.0000511 0.58 AML other m 2016-09-25T02:22:24.08
IV.GUMA.HNE. ML:1.6 0.00024349999999999998 1.56 AML other m 2016-09-25T02:22:25.11
IV.GUMA.HHE. ML:1.7 0.0003165 0.48 AML other m 2016-09-25T02:22:24.50
IV.GUMA.HHN. ML:1.5 0.00020500000000000002 0.48 AML other m 2016-09-25T02:22:25.42
IV.GUMA.HNN. ML:1.7 0.00032900000000000003 0.5 AML other m 2016-09-25T02:22:24.51
IV.LNSS.HHE. ML:1.6 0.0001565 0.18 AML other m 2016-09-25T02:22:27.61
IV.LNSS.HHN. ML:1.5 0.0001305 0.24 AML other m 2016-09-25T02:22:27.59
IV.NRCA.HHN. ML:1.7 0.0007545 0.14 AML other m 2016-09-25T02:22:20.06
IV.NRCA.HHE. ML:1.9 0.001195 0.5 AML other m 2016-09-25T02:22:20.11
IV.SNTG.HHN. ML:1.0 0.00002375 1 AML other m 2016-09-25T02:22:33.06
IV.SNTG.HHE. ML:0.9 0.0000202 1.06 AML other m 2016-09-25T02:22:33.05
IV.T1241.HHN. ML:1.2 0.000167 1.36 AML other m 2016-09-25T02:22:22.94
IV.T1241.HHE. ML:1.2 0.0001605 0.8 AML other m 2016-09-25T02:22:21.82
IV.TERO.HHN. ML:1.3 0.0000668 1.06 AML other m 2016-09-25T02:22:29.34
IV.TERO.HHE. ML:1.1 0.000046700000000000003 1.08 AML other m 2016-09-25T02:22:29.68
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