Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 05-04-2017 and time 22:40:28 (UTC) in region 6 km SW Serravalle di Chienti (MC)

A magnitude ML 1.3 earthquake occured in region: 6 km SW Serravalle di Chienti (MC), on

  • 05-04-2017 22:40:28 (UTC)
  • 06-04-2017 00:40:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0430, 12.8920 at 7 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
Serravalle di Chienti MC 6 1070 1070
Monte Cavallo MC 10 145 1215
Nocera Umbra PG 11 5839 7054
Valtopina PG 11 1398 8452
Sefro MC 13 422 8874
Pieve Torina MC 13 1458 10332
Muccia MC 13 915 11247
Pievebovigliana MC 16 866 12113
Fiordimonte MC 16 202 12315
Fiuminata MC 17 1402 13717
Pioraco MC 17 1134 14851
Sellano PG 17 1079 15930
Camerino MC 18 6974 22904
Foligno PG 18 57155 80059
Spello PG 19 8645 88704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
97 Km S of Pesaro (94582 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 1.3 2017-04-05
22:40:28		 43.0432 12.8923 7 2017-04-05
22:46:17		 Sala Sismica INGV-Roma 43439691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-05 22:40:28 ± 0.09
Latitude 43.0432 ± 0.0054
Longitude 12.8923 ± 0.0074
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43439691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 632
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
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) 103
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55668
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 43439691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-05 22:46:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNZ. 2017-04-05T22:40:49.33 3.0 undecidable manual S -0.28 0
IV.PIEI.HHZ. 2017-04-05T22:40:49.04 0.1 undecidable manual S 332 61.7937 50 0.79 75
IV.CING.HHZ. 2017-04-05T22:40:43.80 0.1 undecidable manual S 33 44.3223 50 0.22 92
IV.T1214.EHZ. 2017-04-05T22:40:42.72 0.1 undecidable manual S 141 40.626 50 0.12 95
IV.MURB.HHZ. 2017-04-05T22:40:42.53 0.1 undecidable manual S 309 38.5281 100 0.56 86
IV.NRCA.HHZ. 2017-04-05T22:40:39.26 0.1 undecidable manual S 142 29.4483 103 0.37 92
IV.PIEI.HHZ. 2017-04-05T22:40:39.53 0.1 undecidable manual P 332 61.7937 50 -0.33 87
IV.ATCC.EHZ. 2017-04-05T22:40:38.18 0.1 undecidable manual S 308 25.8519 105 0.5 90
IV.SNTG.HHZ. 2017-04-05T22:40:36.90 0.1 undecidable manual S 9 23.8539 106 -0.12 98
IV.CING.HHZ. 2017-04-05T22:40:36.63 0.1 undecidable manual P 33 44.3223 50 -0.53 86
IV.T1216.EHZ. 2017-04-05T22:40:36.43 0.1 undecidable manual S 149 19.7691 110 0.75 82
IV.MURB.HHZ. 2017-04-05T22:40:35.77 0.1 undecidable manual P 309 38.5281 100 -0.46 88
IV.T1214.EHZ. 2017-04-05T22:40:35.98 0.1 undecidable manual P 141 40.626 50 -0.62 83
IV.ASSB.HHZ. 2017-04-05T22:40:35.37 0.1 undecidable manual S 270 18.9699 110 -0.04 100
IV.FDMO.HHZ. 2017-04-05T22:40:34.71 0.1 undecidable manual S 93 15.7731 114 0.31 95
IV.NRCA.HHZ. 2017-04-05T22:40:34.08 0.1 undecidable manual P 142 29.4483 103 -0.38 92
IV.SNTG.HHZ. 2017-04-05T22:40:33.06 0.1 undecidable manual P 9 23.8539 106 -0.31 94
IV.ATCC.EHZ. 2017-04-05T22:40:33.50 0.1 undecidable manual P 308 25.8519 105 -0.26 95
IV.T1216.EHZ. 2017-04-05T22:40:32.55 0.1 undecidable manual P 149 19.7691 110 -0.06 100
IV.ASSB.HHZ. 2017-04-05T22:40:32.39 0.1 positive manual P 270 18.9699 110 -0.06 100
IV.CESI.HHZ. 2017-04-05T22:40:31.08 0.1 undecidable manual S 167 4.3956 148 -0.19 100
IV.FDMO.HHZ. 2017-04-05T22:40:31.98 0.1 undecidable manual P 93 15.7731 114 0.11 99
IV.CESI.HHZ. 2017-04-05T22:40:29.81 0.1 negative manual P 167 4.3956 148 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.4 0.00019350000000000001 1.32 AML other m 2017-04-05T22:40:36.73
IV.ASSB.HHE. ML:1.4 0.00019250000000000002 0.16 AML other m 2017-04-05T22:40:36.46
IV.ATCC.EHN. ML:1.3 0.0001186 1.32 AML other m 2017-04-05T22:40:39.05
IV.ATCC.EHE. ML:1.3 0.00011035 1.08 AML other m 2017-04-05T22:40:41.17
IV.CING.HHN. ML:1.2 0.00004485 0.22 AML other m 2017-04-05T22:40:43.86
IV.CING.HHE. ML:1.0 0.000032600000000000006 1 AML other m 2017-04-05T22:40:44.50
IV.FDMO.HHN. ML:1.3 0.0001995 0.82 AML other m 2017-04-05T22:40:35.58
IV.FDMO.HHE. ML:1.2 0.00016299999999999998 0.2 AML other m 2017-04-05T22:40:36.49
IV.MURB.HHN. ML:1.4 0.0000876 1.28 AML other m 2017-04-05T22:40:43.14
IV.MURB.HHE. ML:1.6 0.000132 1.68 AML other m 2017-04-05T22:40:47.92
IV.NRCA.HHN. ML:1.3 0.0001045 1.12 AML other m 2017-04-05T22:40:41.06
IV.NRCA.HHE. ML:1.2 0.0000882 0.12 AML other m 2017-04-05T22:40:40.10
IV.RM33.HNE. ML:2.2 0.00032895 0.4 AML other m 2017-04-05T22:40:49.58
IV.RM33.HNN. ML:2.2 0.0002705 0.4 AML other m 2017-04-05T22:40:51.59
IV.SNTG.HHE. ML:1.0 0.0000586 0.78 AML other m 2017-04-05T22:40:39.53
IV.SNTG.HHN. ML:0.9 0.000052900000000000005 0.7 AML other m 2017-04-05T22:40:38.43
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