Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 24-03-2017 and time 20:07:59 (Italy) in region 3 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km SE Castelsantangelo sul Nera (MC), on

  • 24-03-2017 19:07:59 (UTC)
  • 24-03-2017 20:07:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8690, 13.1690 at 9 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 3 281 281
Ussita MC 9 444 725
Visso MC 10 1107 1832
Norcia PG 11 4957 6789
Preci PG 11 724 7513
Montemonaco AP 13 604 8117
Montegallo AP 14 523 8640
Bolognola MC 15 142 8782
Arquata del Tronto AP 15 1178 9960
Montefortino FM 16 1178 11138
Acquacanina MC 18 121 11259
Fiastra MC 19 559 11818
Monte Cavallo MC 20 145 11963
Amandola FM 20 3629 15592
Fiordimonte MC 20 202 15794
Sellano PG 20 1079 16873

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 inhabitants)
100 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 0.9 2017-03-24
19:07:59		 42.8693 13.1693 9 2017-03-24
19:19:57		 Sala Sismica INGV-Roma 42881721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-24 19:07:59 ± 0.13
Latitude 42.8693 ± 0.0063
Longitude 13.1693 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42881721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 558
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 42881721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-24 19:19:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2017-03-24T19:08:18.68 3.0 positive manual Pg 0.08 0
IV.TERO.HHZ. 2017-03-24T19:08:14.44 0.1 undecidable manual S 128 44.7219 50 0 94
IV.TERO.HHZ. 2017-03-24T19:08:07.96 0.1 undecidable manual P 128 44.7219 50 -0.23 89
IV.T1214.EHZ. 2017-03-24T19:08:05.39 0.1 undecidable manual S 165 12.5763 127 0.28 94
IV.MMO1.EHZ. 2017-03-24T19:08:05.12 0.1 undecidable manual S 75 13.2756 125 -0.17 95
IV.T1216.EHZ. 2017-03-24T19:08:05.09 0.3 undecidable manual S 281 12.4764 127 0.02 74
IV.MC2.EHZ. 2017-03-24T19:08:03.50 0.1 undecidable manual S 19 4.8951 152 0.16 97
IV.T1216.EHZ. 2017-03-24T19:08:03.00 0.1 undecidable manual P 281 12.4764 127 0.21 95
IV.NRCA.HHZ. 2017-03-24T19:08:03.02 0.1 undecidable manual S 228 5.994 147 -0.5 90
IV.T1214.EHZ. 2017-03-24T19:08:03.11 0.1 undecidable manual P 165 12.5763 127 0.3 93
IV.MMO1.EHZ. 2017-03-24T19:08:02.99 0.1 undecidable manual P 75 13.2756 125 0.08 97
IV.MC2.EHZ. 2017-03-24T19:08:01.88 0.1 undecidable manual P 19 4.8951 152 0.09 98
IV.NRCA.HHZ. 2017-03-24T19:08:01.90 0.1 undecidable manual P 228 5.994 147 0 100
IV.T1245.HHZ. 2017-03-24T19:08:01.34 0.1 undecidable manual P 133 2.0979 168 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.1 0.0002028383 0.3968 AML other m 2017-03-24T19:08:03.41
IV.NRCA.HNE. ML:1.1 0.00022427829999999998 0.0896 AML other m 2017-03-24T19:08:03.47
IV.NRCA.HHN. ML:1.0 0.00017336645 0.1152 AML other m 2017-03-24T19:08:03.74
IV.NRCA.HHE. ML:1.2 0.00023595090000000002 0.0768 AML other m 2017-03-24T19:08:03.48
IV.T1214.HNE. ML:1.0 0.000112801305 3.5072 AML other m 2017-03-24T19:08:02.76
IV.T1214.EHN. ML:0.6 0.000043061189 2.7008 AML other m 2017-03-24T19:08:09.66
IV.T1214.EHE. ML:0.7 0.0000558998985 8.256 AML other m 2017-03-24T19:08:13.02
IV.T1214.HNN. ML:1.0 0.00010308241999999999 0.7936 AML other m 2017-03-24T19:08:14.50
IV.T1216.EHN. ML:0.6 0.000046181513 7.6672 AML other m 2017-03-24T19:08:07.90
IV.T1216.EHE. ML:0.6 0.00004776158 1.6256 AML other m 2017-03-24T19:08:05.45
IV.T1219.HNN. ML:1.2 0.00009309157500000001 1.984 AML other m 2017-03-24T19:08:05.47
IV.T1219.EHN. ML:0.8 0.000040732537499999996 8.0768 AML other m 2017-03-24T19:08:06.20
IV.T1219.HNE. ML:1.2 0.000099884945 1.984 AML other m 2017-03-24T19:08:04.04
IV.T1219.EHE. ML:0.7 0.00003215037625 6.5152 AML other m 2017-03-24T19:08:03.33
IV.T1245.HNN. ML:0.0 0.00099165135 0.0768 AML other m 2017-03-24T19:08:02.12
IV.T1245.HHN. ML:0.0 0.0009040894 0.0896 AML other m 2017-03-24T19:08:02.12
IV.T1245.HHE. ML:0.0 0.00063965365 0.0768 AML other m 2017-03-24T19:08:02.27
IV.T1245.HNE. ML:0.0 0.0006930996 0.2688 AML other m 2017-03-24T19:08:02.27
IV.TERO.HHN. ML:0.5 0.0000088460895 1.8432 AML other m 2017-03-24T19:08:13.41
IV.TERO.HHE. ML:0.5 0.0000112044695 2.304 AML other m 2017-03-24T19:08:18.27
IV.TERO.HNE. ML:1.4 0.00008023972 2.6368 AML other m 2017-03-24T19:08:14.93
IV.TERO.HNN. ML:1.1 0.00003896787 7.5008 AML other m 2017-03-24T19:08:27.80
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