Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 22-03-2017 and time 23:15:20 (Italy) in region 4 km SW Fiastra (MC)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Fiastra (MC), on

  • 22-03-2017 22:15:20 (UTC)
  • 22-03-2017 23:15:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 13.1440 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
Fiastra MC 4 559 559
Acquacanina MC 4 121 680
Fiordimonte MC 6 202 882
Ussita MC 7 444 1326
Bolognola MC 7 142 1468
Pievebovigliana MC 8 866 2334
Pieve Torina MC 9 1458 3792
Visso MC 9 1107 4899
Monte Cavallo MC 12 145 5044
Muccia MC 12 915 5959
Castelsantangelo sul Nera MC 12 281 6240
Sarnano MC 13 3264 9504
Cessapalombo MC 15 512 10016
Camerino MC 16 6974 16990
Caldarola MC 16 1823 18813
Preci PG 16 724 19537
Serravalle di Chienti MC 17 1070 20607
Camporotondo di Fiastrone MC 17 563 21170
Gualdo MC 17 815 21985
Montefortino FM 18 1178 23163
Amandola FM 18 3629 26792
San Ginesio MC 18 3498 30290
Montemonaco AP 19 604 30894
Belforte del Chienti MC 19 1886 32780
Serrapetrona MC 20 966 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
94 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 1.6 2017-03-22
22:15:20		 43.006 13.1442 7 2017-03-22
22:21:09		 Sala Sismica INGV-Roma 42798051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 22:15:20 ± 0.06
Latitude 43.0060 ± 0.0027
Longitude 13.1442 ± 0.0049
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42798051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 35
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) 0.51981
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 42798051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 22:21:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2017-03-22T22:15:39.86 0.3 undecidable manual S 300 57.6978 50 0.92 52
IV.ARVD.HHZ. 2017-03-22T22:15:39.11 0.3 undecidable manual S 343 56.9985 50 0.36 64
IV.TERO.HHZ. 2017-03-22T22:15:38.81 0.6 undecidable manual S 139 56.5989 50 0.16 44
IV.MOMA.HHZ. 2017-03-22T22:15:37.75 0.6 undecidable manual S 245 51.8037 50 0.4 43
IV.ATCC.EHZ. 2017-03-22T22:15:35.80 0.6 undecidable manual S 296 45.4212 50 0.14 46
IV.CING.HHZ. 2017-03-22T22:15:34.26 0.6 undecidable manual S 6 41.2254 50 -0.28 45
IV.MURB.HHZ. 2017-03-22T22:15:30.77 0.6 undecidable manual P 300 57.6978 50 -0.27 43
IV.ARVD.HHZ. 2017-03-22T22:15:30.48 1.0 negative manual P 343 56.9985 50 -0.46 21
IV.CAMP.HHZ. 2017-03-22T22:15:30.55 3.0 undecidable manual S 2.23 0
IV.T1212.EHZ. 2017-03-22T22:15:30.73 0.3 undecidable manual S 196 29.3484 104 -0.05 72
IV.MOMA.HHZ. 2017-03-22T22:15:30.26 0.1 undecidable manual P 245 51.8037 50 0.13 90
IV.T1241.EHZ. 2017-03-22T22:15:30.47 0.3 undecidable manual S 125 28.6491 105 -0.05 72
IV.TERO.HHZ. 2017-03-22T22:15:30.28 0.1 undecidable manual P 139 56.5989 50 -0.6 80
IV.ATCC.EHZ. 2017-03-22T22:15:28.71 0.6 negative manual P 296 45.4212 50 -0.44 43
IV.CING.HHZ. 2017-03-22T22:15:27.97 0.3 undecidable manual P 6 41.2254 50 -0.54 63
IV.T1245.HHZ. 2017-03-22T22:15:27.21 0.6 undecidable manual S 168 16.9719 114 0.52 44
IV.GUMA.HHZ. 2017-03-22T22:15:27.51 0.6 undecidable manual S 68 16.6722 114 0.9 38
IV.T1212.EHZ. 2017-03-22T22:15:26.09 0.1 undecidable manual P 196 29.3484 104 -0.24 92
IV.SNTG.HHZ. 2017-03-22T22:15:26.54 1.0 negative manual P 329 32.1456 103 -0.34 22
IV.T1216.EHZ. 2017-03-22T22:15:26.60 0.6 undecidable manual S 219 16.3725 114 0.11 48
IV.MC2.EHZ. 2017-03-22T22:15:25.08 0.3 undecidable manual S 161 11.0778 124 0.18 72
IV.T1220.EHZ. 2017-03-22T22:15:25.66 0.6 undecidable manual S 339 12.3765 121 0.38 46
IV.T1241.EHZ. 2017-03-22T22:15:25.96 0.1 undecidable manual P 125 28.6491 105 -0.23 92
IV.T1219.EHZ. 2017-03-22T22:15:25.29 0.6 undecidable manual S 296 12.5763 120 -0.05 49
IV.GUMA.HHZ. 2017-03-22T22:15:24.04 0.6 undecidable manual P 68 16.6722 114 0.11 48
IV.T1245.HHZ. 2017-03-22T22:15:24.00 0.1 undecidable manual P 168 16.9719 114 0.03 98
IV.CSP1.EHZ. 2017-03-22T22:15:24.80 0.6 undecidable manual S 27 10.6782 125 0.01 50
IV.T1216.EHZ. 2017-03-22T22:15:23.82 0.1 undecidable manual P 219 16.3725 114 -0.04 98
IV.FDMO.HHZ. 2017-03-22T22:15:23.04 0.6 undecidable manual S 306 5.6943 142 -0.47 45
IV.MC2.EHZ. 2017-03-22T22:15:23.12 0.1 undecidable manual P 161 11.0778 124 0.18 96
IV.T1220.EHZ. 2017-03-22T22:15:23.11 0.6 negative manual P 339 12.3765 121 -0.05 49
IV.T1256.HHZ. 2017-03-22T22:15:23.84 0.6 undecidable manual S 90 6.5934 138 0.13 49
IV.T1219.EHZ. 2017-03-22T22:15:23.14 0.1 undecidable manual P 296 12.5763 120 -0.05 98
IV.T1256.HHZ. 2017-03-22T22:15:22.27 0.1 positive manual P 90 6.5934 138 0.01 100
IV.CSP1.EHZ. 2017-03-22T22:15:22.95 0.1 positive manual P 27 10.6782 125 0.08 98
IV.FDMO.HHZ. 2017-03-22T22:15:21.90 0.1 undecidable manual P 306 5.6943 142 -0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.6 0.0001235 0.28 AML other m 2017-03-22T22:15:35.82
IV.ATCC.EHE. ML:1.8 0.000191 0.22 AML other m 2017-03-22T22:15:36.03
IV.CING.HHE. ML:1.3 0.0000709 1.68 AML other m 2017-03-22T22:15:34.03
IV.CING.HHN. ML:1.3 0.00006789999999999998 0.72 AML other m 2017-03-22T22:15:35.91
IV.CSP1.EHE. ML:1.4 0.000383 0.6 AML other m 2017-03-22T22:15:25.84
IV.CSP1.EHN. ML:1.7 0.000696 0.64 AML other m 2017-03-22T22:15:25.61
IV.GUMA.HHN. ML:1.8 0.0006845 0.44 AML other m 2017-03-22T22:15:28.67
IV.GUMA.HNN. ML:1.8 0.0005700000000000001 0.46 AML other m 2017-03-22T22:15:28.66
IV.GUMA.HHE. ML:1.8 0.0005529999999999999 0.46 AML other m 2017-03-22T22:15:30.05
IV.GUMA.HNE. ML:1.8 0.0006435 0.48 AML other m 2017-03-22T22:15:30.06
IV.MOMA.HHE. ML:1.5 0.0000812 1.76 AML other m 2017-03-22T22:15:38.02
IV.MOMA.HHN. ML:1.4 0.00006135 0.22 AML other m 2017-03-22T22:15:40.50
IV.MURB.HHE. ML:1.8 0.000127 0.26 AML other m 2017-03-22T22:15:41.54
IV.MURB.HHN. ML:1.6 0.00008879999999999999 0.22 AML other m 2017-03-22T22:15:42.51
IV.SNTG.HHE. ML:1.1 0.000052699999999999993 0.42 AML other m 2017-03-22T22:15:33.40
IV.SNTG.HHN. ML:1.0 0.00005035 1.26 AML other m 2017-03-22T22:15:34.16
IV.T1216.EHN. ML:1.8 0.000576 0.2 AML other m 2017-03-22T22:15:26.83
IV.T1216.EHE. ML:1.7 0.000523 0.44 AML other m 2017-03-22T22:15:28.68
IV.T1219.EHN. ML:1.8 0.0007765 0.18 AML other m 2017-03-22T22:15:25.53
IV.T1219.EHE. ML:1.8 0.0008190000000000001 0.28 AML other m 2017-03-22T22:15:25.65
IV.T1219.HNN. ML:1.8 0.000836 0.22 AML other m 2017-03-22T22:15:25.52
IV.T1219.HNE. ML:1.8 0.0008195000000000001 0.24 AML other m 2017-03-22T22:15:25.65
IV.T1220.EHN. ML:2.0 0.001254 1.28 AML other m 2017-03-22T22:15:27.17
IV.T1220.EHE. ML:2.1 0.0016899999999999999 0.7 AML other m 2017-03-22T22:15:26.02
IV.T1241.EHN. ML:1.2 0.00007319999999999999 1.36 AML other m 2017-03-22T22:15:30.04
IV.T1241.EHE. ML:1.2 0.00008005000000000001 0.46 AML other m 2017-03-22T22:15:35.84
IV.T1245.HHN. ML:1.6 0.000379 0.12 AML other m 2017-03-22T22:15:28.26
IV.T1245.HHE. ML:1.6 0.0003415 0.12 AML other m 2017-03-22T22:15:27.87
IV.TERO.HHN. ML:1.3 0.000045400000000000006 0.96 AML other m 2017-03-22T22:15:40.55
IV.TERO.HHE. ML:1.3 0.00004545000000000001 1.02 AML other m 2017-03-22T22:15:40.80
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