Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 21-03-2017 and time 17:43:05 (Italy) in region 3 km SW Bolognola (MC)

A magnitude ML 1.7 earthquake occured in region: 3 km SW Bolognola (MC), on

  • 21-03-2017 16:43:05 (UTC)
  • 21-03-2017 17:43:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9740, 13.2150 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
Bolognola MC 3 142 142
Ussita MC 7 444 586
Acquacanina MC 7 121 707
Fiastra MC 9 559 1266
Sarnano MC 10 3264 4530
Castelsantangelo sul Nera MC 10 281 4811
Montefortino FM 11 1178 5989
Visso MC 11 1107 7096
Amandola FM 12 3629 10725
Montemonaco AP 12 604 11329
Fiordimonte MC 12 202 11531
Gualdo MC 15 815 12346
Pievebovigliana MC 15 866 13212
Pieve Torina MC 16 1458 14670
Cessapalombo MC 16 512 15182
Comunanza AP 16 3166 18348
San Ginesio MC 17 3498 21846
Monte Cavallo MC 18 145 21991
Montegallo AP 18 523 22514
Preci PG 18 724 23238
Camporotondo di Fiastrone MC 18 563 23801
Caldarola MC 18 1823 25624
Muccia MC 18 915 26539
Smerillo FM 19 365 26904
Penna San Giovanni MC 19 1108 28012
Monte San Martino MC 19 765 28777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 inhabitants)
99 Km NW of Pescara (121014 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 1.7 2017-03-21
16:43:05		 42.9738 13.2152 8 2017-03-21
17:11:23		 Sala Sismica INGV-Roma 42748031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-21 16:43:05 ± 0.05
Latitude 42.9738 ± 0.0027
Longitude 13.2152 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42748031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
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 51
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50182
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 26
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 42748031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-21 17:11:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2017-03-21T16:43:38.22 3.0 undecidable manual S -4.13 0
IV.MOMA.HHZ. 2017-03-21T16:43:23.92 0.6 undecidable manual S 250 55.6998 50 0.61 40
IV.TERO.HHZ. 2017-03-21T16:43:22.03 0.3 undecidable manual S 141 50.2164 50 0.2 67
IV.RM33.EHZ. 2017-03-21T16:43:22.48 0.6 undecidable manual S 180 51.6039 50 0.28 44
IV.CING.HHZ. 2017-03-21T16:43:20.81 0.3 undecidable manual S 358 44.622 50 0.47 64
IV.ASSB.HHZ. 2017-03-21T16:43:20.57 0.6 undecidable manual S 280 45.8208 50 -0.09 46
IV.SMA1.EHZ. 2017-03-21T16:43:19.09 0.3 undecidable manual S 166 39.3273 50 0.16 69
IV.EL6.EHZ. 2017-03-21T16:43:19.73 0.3 undecidable manual S 347 40.5261 50 0.49 64
IV.T1299.EHZ. 2017-03-21T16:43:18.61 0.6 undecidable manual S 172 38.0286 50 0.01 48
IV.SNTG.HHZ. 2017-03-21T16:43:18.48 0.3 undecidable manual S 325 38.3283 50 -0.18 69
IV.T1218.EHZ. 2017-03-21T16:43:17.61 0.3 undecidable manual S 194 34.6431 50 -0.08 71
IV.T1217.EHZ. 2017-03-21T16:43:17.92 0.6 undecidable manual S 219 37.1295 50 -0.42 44
IV.MOMA.HHZ. 2017-03-21T16:43:16.16 0.1 undecidable manual P 250 55.6998 50 0.43 84
IV.T1212.EHZ. 2017-03-21T16:43:15.50 0.3 undecidable manual S 209 28.2495 106 -0.12 71
IV.T1214.EHZ. 2017-03-21T16:43:14.36 0.3 undecidable manual S 181 23.754 109 0.23 70
IV.CESI.HHE. 2017-03-21T16:43:14.76 0.3 undecidable manual S 278 25.4523 108 0.09 72
IV.TERO.HHZ. 2017-03-21T16:43:14.47 0.1 negative manual P 141 50.2164 50 -0.41 86
IV.RM33.EHZ. 2017-03-21T16:43:14.86 0.1 undecidable manual P 180 51.6039 50 -0.23 89
IV.T1299.EHZ. 2017-03-21T16:43:13.06 0.1 undecidable manual P 172 38.0286 50 0.05 94
IV.OFFI.HHZ. 2017-03-21T16:43:13.36 0.6 undecidable manual P 96 38.4282 50 0.29 45
IV.SNTG.HHZ. 2017-03-21T16:43:13.23 0.3 undecidable manual P 325 38.3283 50 0.18 69
IV.CING.HHZ. 2017-03-21T16:43:13.70 0.1 undecidable manual P 358 44.622 50 -0.32 88
IV.ASSB.HHZ. 2017-03-21T16:43:13.92 0.1 undecidable manual P 280 45.8208 50 -0.28 89
IV.T1241.EHZ. 2017-03-21T16:43:13.71 0.3 undecidable manual S 127 21.867 111 0.21 71
IV.T1218.EHZ. 2017-03-21T16:43:12.31 0.1 undecidable manual P 194 34.6431 50 -0.18 93
IV.T1217.EHZ. 2017-03-21T16:43:12.58 0.1 undecidable manual P 219 37.1295 50 -0.29 90
IV.T1220.EHZ. 2017-03-21T16:43:12.75 0.6 undecidable manual S 326 18.2706 115 0.4 45
IV.SMA1.EHZ. 2017-03-21T16:43:12.78 0.1 undecidable manual P 166 39.3273 50 -0.42 87
IV.T1219.EHZ. 2017-03-21T16:43:12.92 0.3 undecidable manual S 298 19.3695 113 0.23 71
IV.T1216.EHE. 2017-03-21T16:43:12.42 0.3 undecidable manual S 240 18.3705 114 0.02 74
IV.EL6.EHZ. 2017-03-21T16:43:12.99 0.1 undecidable manual P 347 40.5261 50 -0.4 87
IV.T1245.HHZ. 2017-03-21T16:43:11.20 0.3 undecidable manual S 190 13.1757 122 0.39 69
IV.T1212.EHZ. 2017-03-21T16:43:11.21 0.1 undecidable manual P 209 28.2495 106 -0.08 95
IV.FEMA.HNZ. 2017-03-21T16:43:11.07 0.3 undecidable manual S 264 13.4754 122 0.18 72
IV.FDMO.HHZ. 2017-03-21T16:43:10.37 0.3 undecidable manual S 304 12.4764 124 -0.22 71
IV.MMO1.EHZ. 2017-03-21T16:43:10.62 0.3 undecidable manual S 132 12.2766 124 0.09 74
IV.T1241.EHZ. 2017-03-21T16:43:10.13 0.1 negative manual P 127 21.867 111 0.06 97
IV.T1214.EHZ. 2017-03-21T16:43:10.42 0.1 negative manual P 181 23.754 109 -0.01 98
IV.CESI.HHE. 2017-03-21T16:43:10.77 0.1 undecidable manual P 278 25.4523 108 0.03 97
IV.T1219.EHZ. 2017-03-21T16:43:09.54 0.1 undecidable manual P 298 19.3695 113 -0.06 97
IV.T1216.EHE. 2017-03-21T16:43:09.45 0.1 undecidable manual P 240 18.3705 114 0.02 98
IV.GUMA.HHZ. 2017-03-21T16:43:09.06 0.1 positive manual P 45 13.875 121 0.44 91
IV.T1220.EHZ. 2017-03-21T16:43:09.36 0.1 undecidable manual P 326 18.2706 115 -0.04 98
IV.FEMA.HNZ. 2017-03-21T16:43:08.78 0.1 undecidable manual P 264 13.4754 122 0.22 95
IV.FDMO.HHZ. 2017-03-21T16:43:08.34 0.1 positive manual P 304 12.4764 124 -0.05 99
IV.MMO1.EHZ. 2017-03-21T16:43:08.50 0.1 negative manual P 132 12.2766 124 0.14 97
IV.MC2.EHZ. 2017-03-21T16:43:08.97 0.3 undecidable manual S 197 7.2927 139 -0.25 72
IV.T1245.HHZ. 2017-03-21T16:43:08.62 0.1 undecidable manual P 190 13.1757 122 0.11 97
IV.MC2.EHZ. 2017-03-21T16:43:07.63 0.1 positive manual P 197 7.2927 139 0.03 100
IV.T1256.HHZ. 2017-03-21T16:43:07.82 0.3 undecidable manual S 14 3.6963 156 -0.74 62
IV.T1256.HHZ. 2017-03-21T16:43:06.94 0.1 positive manual P 14 3.6963 156 -0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.7 0.00014000000000000001 0.32 AML other m 2017-03-21T16:43:22.41
IV.ASSB.HHN. ML:1.6 0.000116 0.3 AML other m 2017-03-21T16:43:22.34
IV.CING.HHE. ML:1.5 0.00009665 0.3 AML other m 2017-03-21T16:43:21.93
IV.CING.HHN. ML:1.4 0.00008235000000000001 0.4 AML other m 2017-03-21T16:43:24.15
IV.FDMO.HHE. ML:1.6 0.000492 0.6 AML other m 2017-03-21T16:43:12.79
IV.FDMO.HHN. ML:1.5 0.0003745 0.48 AML other m 2017-03-21T16:43:12.50
IV.GUMA.HHE. ML:2.0 0.0011 0.34 AML other m 2017-03-21T16:43:14.80
IV.GUMA.HNN. ML:1.8 0.000758 0.62 AML other m 2017-03-21T16:43:15.18
IV.GUMA.HNE. ML:2.0 0.00113 0.54 AML other m 2017-03-21T16:43:16.44
IV.GUMA.HHN. ML:2.0 0.00101 0.42 AML other m 2017-03-21T16:43:16.69
IV.MOMA.HHE. ML:1.5 0.0000677 0.42 AML other m 2017-03-21T16:43:26.82
IV.MOMA.HHN. ML:1.4 0.000056550000000000006 0.74 AML other m 2017-03-21T16:43:26.65
IV.RM33.EHN. ML:1.6 0.00009865 1.78 AML other m 2017-03-21T16:43:23.07
IV.RM33.EHE. ML:1.6 0.00010405000000000001 0.58 AML other m 2017-03-21T16:43:27.89
IV.SMA1.EHN. ML:1.6 0.0001315 0.52 AML other m 2017-03-21T16:43:20.91
IV.SMA1.EHE. ML:1.7 0.000175 0.3 AML other m 2017-03-21T16:43:22.31
IV.SNTG.HHE. ML:1.2 0.000066 0.62 AML other m 2017-03-21T16:43:20.00
IV.SNTG.HHN. ML:1.2 0.00006595 0.46 AML other m 2017-03-21T16:43:20.31
IV.T1212.EHN. ML:1.8 0.0003395 0.42 AML other m 2017-03-21T16:43:16.69
IV.T1212.EHE. ML:1.7 0.00027 0.48 AML other m 2017-03-21T16:43:17.60
IV.T1212.HNN. ML:1.8 0.00034839960000000004 0 AML other m 2017-03-21T16:43:15.92
IV.T1214.EHE. ML:1.9 0.0005124999999999999 1.18 AML other m 2017-03-21T16:43:16.94
IV.T1214.HNN. ML:1.8 0.0004428238 0.1408 AML other m 2017-03-21T16:43:15.46
IV.T1214.EHN. ML:1.9 0.000532 0.86 AML other m 2017-03-21T16:43:15.89
IV.T1217.EHE. ML:1.4 0.0001014 0.76 AML other m 2017-03-21T16:43:20.87
IV.T1217.EHN. ML:1.6 0.0001455 0.38 AML other m 2017-03-21T16:43:18.53
IV.T1218.EHN. ML:2.0 0.0003715 0.2 AML other m 2017-03-21T16:43:18.29
IV.T1218.HNN. ML:2.0 0.000378 0.2 AML other m 2017-03-21T16:43:18.29
IV.T1218.EHE. ML:1.7 0.0002185 0.68 AML other m 2017-03-21T16:43:18.38
IV.T1218.HNE. ML:1.8 0.000255 0.68 AML other m 2017-03-21T16:43:18.04
IV.T1219.EHN. ML:1.6 0.0003145 0.56 AML other m 2017-03-21T16:43:14.64
IV.T1219.HNN. ML:1.6 0.0003075 0.62 AML other m 2017-03-21T16:43:14.64
IV.T1219.EHE. ML:1.4 0.0002065 0.24 AML other m 2017-03-21T16:43:14.37
IV.T1219.HNE. ML:1.4 0.00022700000000000002 1.76 AML other m 2017-03-21T16:43:13.99
IV.T1220.EHE. ML:2.3 0.0018599999999999999 1.6 AML other m 2017-03-21T16:43:15.17
IV.T1220.EHN. ML:2.4 0.00227 1.7 AML other m 2017-03-21T16:43:15.88
IV.T1241.EHE. ML:1.6 0.000245 0.42 AML other m 2017-03-21T16:43:16.54
IV.T1241.EHN. ML:1.4 0.000195 0.36 AML other m 2017-03-21T16:43:14.26
IV.T1245.HHE. ML:2.2 0.0016899999999999999 1.6 AML other m 2017-03-21T16:43:12.00
IV.T1245.HNN. ML:2.2 0.00176 0.34 AML other m 2017-03-21T16:43:12.03
IV.T1245.HHN. ML:2.2 0.001845 1 AML other m 2017-03-21T16:43:12.20
IV.T1256.HNE. ML:0.0 0.005887273 0.3712 AML other m 2017-03-21T16:43:08.38
IV.T1256.HHE. ML:0.0 0.0058616295 0.384 AML other m 2017-03-21T16:43:08.38
IV.T1256.HHN. ML:0.0 0.0040867195 0.1408 AML other m 2017-03-21T16:43:08.01
IV.T1256.HNN. ML:0.0 0.0041009075 0.1536 AML other m 2017-03-21T16:43:08.08
IV.T1299.EHE. ML:1.4 0.00009535 0.94 AML other m 2017-03-21T16:43:21.39
IV.T1299.EHN. ML:1.6 0.0001415 0.22 AML other m 2017-03-21T16:43:20.84
IV.T1299.HNE. ML:1.3 0.00007508082999999998 0 AML other m 2017-03-21T16:43:19.65
IV.TERO.HHN. ML:1.6 0.00010125000000000001 0.9 AML other m 2017-03-21T16:43:24.34
IV.TERO.HHE. ML:1.6 0.00009375 0.28 AML other m 2017-03-21T16:43:23.86
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