Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 08-03-2017 and time 20:01:17 (Italy) in region 10 km E Foligno (PG)

A magnitude ML 1.2 earthquake occured in region: 10 km E Foligno (PG), on

  • 08-03-2017 19:01:17 (UTC)
  • 08-03-2017 20:01:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9580, 12.8310 at 11 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
Foligno PG 10 57155 57155
Sellano PG 11 1079 58234
Trevi PG 11 8469 66703
Valtopina PG 13 1398 68101
Spello PG 14 8645 76746
Monte Cavallo MC 15 145 76891
Campello sul Clitunno PG 16 2442 79333
Montefalco PG 16 5679 85012
Serravalle di Chienti MC 16 1070 86082
Cerreto di Spoleto PG 17 1075 87157
Nocera Umbra PG 17 5839 92996
Bevagna PG 18 5081 98077
Preci PG 19 724 98801
Castel Ritaldi PG 20 3278 102079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
79 Km W of Teramo (54892 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
100 Km S of Fano (60888 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 1.2 2017-03-08
19:01:17		 42.9578 12.8307 11 2017-03-08
19:33:36		 Sala Sismica INGV-Roma 42126671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-08 19:01:17 ± 0.05
Latitude 42.9578 ± 0.0027
Longitude 12.8307 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42126671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 397
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34084
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 42126671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-08 19:33:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2017-03-08T19:02:58.26 3.0 undecidable manual Sn 4.38 0
CR.ZAG.BHZ. 2017-03-08T19:02:54.38 3.0 undecidable manual Sn -3.31 0
IV.CMPR.HHZ. 2017-03-08T19:02:48.45 3.0 undecidable manual Sg 7.6 0
IV.LEOD.HNZ. 2017-03-08T19:02:47.72 3.0 undecidable manual Sn 1.11 0
IV.MNTV.HNZ. 2017-03-08T19:02:44.95 3.0 undecidable manual Sg 11.15 0
IV.PETRA.HHZ. 2017-03-08T19:02:40.69 3.0 undecidable manual Pg 10.29 0
IV.SGRT.HHZ. 2017-03-08T19:02:27.78 3.0 undecidable manual Sg 4.09 0
IV.GROG.HHZ. 2017-03-08T19:02:27.91 3.0 undecidable manual Sg 6.86 0
IV.NDIM.HHZ. 2017-03-08T19:02:24.81 3.0 undecidable manual Sn -2.63 0
IV.APRC.EHZ. 2017-03-08T19:02:21.46 3.0 undecidable manual Sg 1.05 0
IV.MOCO.HHZ. 2017-03-08T19:02:20.40 3.0 undecidable manual Sg 0.45 0
FR.CORF.HHZ.00 2017-03-08T19:01:57.93 3.0 positive manual Pn -1.48 0
IV.NDIM.HNZ. 2017-03-08T19:01:56.27 3.0 undecidable manual Pn 0.44 0
IV.APRC.EHZ. 2017-03-08T19:01:55.74 3.0 negative manual Pg 3.86 0
IV.MSAG.HHZ. 2017-03-08T19:01:50.68 3.0 undecidable manual Pn -4.83 0
IV.SACR.HHZ. 2017-03-08T19:01:46.67 3.0 undecidable manual Pg -1.3 0
IV.T1214.EHZ. 2017-03-08T19:01:30.09 1.0 undecidable manual S 125 37.8288 50 -0.09 24
IV.SNTG.HHZ. 2017-03-08T19:01:29.09 0.6 undecidable manual S 15 34.1436 50 -0.12 47
IV.MC2.EHZ. 2017-03-08T19:01:28.51 0.6 undecidable manual S 100 29.5482 50 0.52 44
IV.CSP1.EHZ. 2017-03-08T19:01:28.78 0.6 undecidable manual S 64 33.8439 50 -0.34 45
IV.ATCC.EHZ. 2017-03-08T19:01:28.15 0.6 undecidable manual S 329 29.5482 50 0.16 47
IV.T1245.HHZ. 2017-03-08T19:01:28.50 1.0 undecidable manual S 111 31.1466 50 0.09 24
IV.T1220.EHZ. 2017-03-08T19:01:27.11 0.6 undecidable manual S 51 26.9508 50 -0.17 47
IV.T1212.EHZ. 2017-03-08T19:01:27.86 1.0 undecidable manual S 143 28.749 50 0.09 24
IV.RMP.HHZ. 2017-03-08T19:01:26.35 3.0 undecidable manual P -8.38 0
IV.SNTG.HHZ. 2017-03-08T19:01:25.28 3.0 undecidable manual P 15 34.1436 50 1.01 0
IV.ASSB.HHZ. 2017-03-08T19:01:24.26 0.6 undecidable manual S 304 16.7721 122 -0.16 49
IV.T1216.EHZ. 2017-03-08T19:01:24.24 0.6 undecidable manual S 116 17.0718 122 -0.23 48
IV.CSP1.EHZ. 2017-03-08T19:01:24.24 0.6 positive manual P 64 33.8439 50 0.02 48
IV.T1215.EHZ. 2017-03-08T19:01:24.30 1.0 undecidable manual S 170 17.5713 121 -0.34 23
IV.T1245.HHZ. 2017-03-08T19:01:23.78 0.1 undecidable manual P 111 31.1466 50 -0.03 97
IV.T1220.EHZ. 2017-03-08T19:01:23.20 0.6 negative manual P 51 26.9508 50 0.05 49
IV.MC2.EHZ. 2017-03-08T19:01:23.64 0.1 undecidable manual P 100 29.5482 50 0.08 96
IV.T1212.EHZ. 2017-03-08T19:01:23.33 0.1 undecidable manual P 143 28.749 50 -0.11 96
IV.ATCC.EHZ. 2017-03-08T19:01:23.46 1.0 undecidable manual P 329 29.5482 50 -0.11 24
IV.CESI.HHZ. 2017-03-08T19:01:22.16 0.6 undecidable manual S 49 7.9809 143 0.05 50
IV.T1214.EHZ. 2017-03-08T19:01:22.93 3.0 undecidable manual P 125 37.8288 50 -1.91 0
IV.T1215.EHZ. 2017-03-08T19:01:21.72 0.1 undecidable manual P 170 17.5713 121 0.09 98
IV.ASSB.HHZ. 2017-03-08T19:01:21.54 0.3 undecidable manual P 304 16.7721 122 0.04 75
IV.T1216.EHZ. 2017-03-08T19:01:21.53 0.1 undecidable manual P 116 17.0718 122 0 100
IV.CESI.HHZ. 2017-03-08T19:01:20.36 0.1 negative manual P 49 7.9809 143 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.3 0.000158 0.2 AML other m 2017-03-08T19:01:24.55
IV.ASSB.HHE. ML:1.3 0.00017925000000000002 0.62 AML other m 2017-03-08T19:01:25.52
IV.CESI.HHN. ML:1.2 0.0002115 0.16 AML other m 2017-03-08T19:01:22.37
IV.T1215.EHN. ML:0.9 0.000068471429 1.7664 AML other m 2017-03-08T19:01:25.13
IV.T1215.HNN. ML:1.0 0.000075486775 1.4592 AML other m 2017-03-08T19:01:25.86
IV.T1216.EHN. ML:1.0 0.000090564725 0.704 AML other m 2017-03-08T19:01:24.93
IV.T1216.EHE. ML:1.2 0.00012009505000000001 2.3552 AML other m 2017-03-08T19:01:25.68
IV.T1245.HHN. ML:1.3 0.00008754999999999999 0.56 AML other m 2017-03-08T19:01:29.75
IV.T1245.HHE. ML:1.2 0.000064 0.66 AML other m 2017-03-08T19:01:29.54
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