Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-03-2017 and time 00:01:45 (Italy) in region 2 km SW Bolognola (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Bolognola (MC), on

  • 21-03-2017 23:01:45 (UTC)
  • 22-03-2017 00:01:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 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 2 142 142
Acquacanina MC 7 121 263
Ussita MC 7 444 707
Fiastra MC 8 559 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
Fiordimonte MC 12 202 10927
Montemonaco AP 13 604 11531
Pievebovigliana MC 14 866 12397
Gualdo MC 14 815 13212
Cessapalombo MC 15 512 13724
Pieve Torina MC 15 1458 15182
Comunanza AP 16 3166 18348
San Ginesio MC 17 3498 21846
Monte Cavallo MC 17 145 21991
Camporotondo di Fiastrone MC 18 563 22554
Montegallo AP 18 523 23077
Preci PG 18 724 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)
66 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 inhabitants)
100 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 1.2 2017-03-21
23:01:45		 42.9782 13.2147 8 2017-03-21
23:07:18		 Sala Sismica INGV-Roma 42758501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-21 23:01:45 ± 0.07
Latitude 42.9782 ± 0.0036
Longitude 13.2147 ± 0.0061
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 42758501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 516
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 32
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) 0.46855
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 42758501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-21 23:07:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MA9.HHZ. 2017-03-21T23:02:26.87 3.0 undecidable manual S -1.58 0
IV.BRSN.EHZ. 2017-03-21T23:02:14.11 3.0 negative manual P 0.51 0
IV.PIEI.HHZ. 2017-03-21T23:02:13.44 3.0 undecidable manual S 0.33 0
IV.ARVD.HHZ. 2017-03-21T23:02:06.88 3.0 undecidable manual S 0.02 0
IV.T1211.EHZ. 2017-03-21T23:02:05.38 3.0 undecidable manual S 0.03 0
IV.MOMA.HHZ. 2017-03-21T23:02:05.11 3.0 undecidable manual S 0.1 0
IV.RM33.EHZ. 2017-03-21T23:02:03.16 0.6 undecidable manual S 180 52.0035 50 0.21 45
IV.ATCC.EHZ. 2017-03-21T23:02:03.74 0.6 undecidable manual S 296 51.9036 50 0.83 37
IV.ASSB.HHZ. 2017-03-21T23:02:01.48 0.6 undecidable manual S 279 45.621 50 0.23 45
IV.SNTG.HHZ. 2017-03-21T23:01:59.21 0.3 undecidable manual S 324 37.9287 50 0.04 71
IV.T1218.EHZ. 2017-03-21T23:01:58.40 0.3 undecidable manual S 193 35.1426 50 -0.03 72
IV.ARVD.HHZ. 2017-03-21T23:01:57.46 3.0 positive manual P -0.23 0
IV.ATCC.EHZ. 2017-03-21T23:01:55.75 0.1 undecidable manual P 296 51.9036 50 -0.01 93
IV.TERO.HHZ. 2017-03-21T23:01:55.24 3.0 negative manual P -0.44 0
IV.T1214.EHZ. 2017-03-21T23:01:55.24 0.3 undecidable manual S 181 24.2535 109 0.38 68
IV.RM33.EHZ. 2017-03-21T23:01:55.49 0.1 undecidable manual P 180 52.0035 50 -0.28 88
IV.T1241.EHZ. 2017-03-21T23:01:54.43 0.3 undecidable manual S 127 22.1556 110 0.24 70
IV.CING.HHZ. 2017-03-21T23:01:54.52 3.0 undecidable manual P -0.22 0
IV.ASSB.HHZ. 2017-03-21T23:01:54.57 0.6 positive manual P 279 45.621 50 -0.22 45
IV.T1299.EHZ. 2017-03-21T23:01:53.55 0.6 negative manual P 172 38.5281 50 -0.15 47
IV.SMA1.EHZ. 2017-03-21T23:01:53.48 0.6 negative manual P 166 39.8268 50 -0.41 44
IV.T1220.EHZ. 2017-03-21T23:01:53.21 0.6 undecidable manual S 325 17.871 115 0.41 46
IV.T1216.EHZ. 2017-03-21T23:01:53.08 0.6 undecidable manual S 239 18.5703 114 0.03 49
IV.EL6.EHZ. 2017-03-21T23:01:53.83 3.0 positive manual P -0.23 0
IV.T1219.EHZ. 2017-03-21T23:01:53.58 0.6 undecidable manual S 297 19.0698 113 0.38 46
IV.SNTG.HHZ. 2017-03-21T23:01:53.31 0.1 undecidable manual P 324 37.9287 50 -0.28 91
IV.GUMA.HHZ. 2017-03-21T23:01:52.16 0.6 undecidable manual S 46 13.5753 121 0.67 42
IV.T1245.HHZ. 2017-03-21T23:01:52.00 0.6 undecidable manual S 189 13.6752 121 0.48 45
IV.T1218.EHZ. 2017-03-21T23:01:52.76 1.0 negative manual P 193 35.1426 50 -0.41 22
IV.T1219.EHZ. 2017-03-21T23:01:50.13 0.6 negative manual P 297 19.0698 113 -0.01 50
IV.FDMO.HHZ. 2017-03-21T23:01:50.91 0.6 undecidable manual S 302 12.1767 124 -0.18 48
IV.T1241.EHZ. 2017-03-21T23:01:50.81 0.6 negative manual P 127 22.1556 110 0.09 48
IV.T1214.EHZ. 2017-03-21T23:01:50.95 0.6 undecidable manual P 181 24.2535 109 -0.16 48
IV.T1216.EHZ. 2017-03-21T23:01:50.02 0.6 positive manual P 239 18.5703 114 -0.03 49
IV.T1245.HHZ. 2017-03-21T23:01:49.17 1.0 positive manual P 189 13.6752 121 0 25
IV.GUMA.HHZ. 2017-03-21T23:01:49.61 0.6 positive manual P 46 13.5753 121 0.45 46
IV.MC2.EHZ. 2017-03-21T23:01:49.77 0.6 undecidable manual S 196 7.6812 137 -0.12 49
IV.T1220.EHZ. 2017-03-21T23:01:49.94 0.1 undecidable manual P 325 17.871 115 0.02 99
IV.T1256.HHZ. 2017-03-21T23:01:48.28 0.6 undecidable manual S 16 3.2967 158 -0.78 41
IV.FDMO.HHZ. 2017-03-21T23:01:48.77 0.1 undecidable manual P 302 12.1767 124 -0.15 97
IV.MC2.EHZ. 2017-03-21T23:01:48.18 0.1 positive manual P 196 7.6812 137 -0.06 100
IV.T1256.HHZ. 2017-03-21T23:01:47.41 0.1 positive manual P 16 3.2967 158 -0.35 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.2 0.000030550000000000004 0.16 AML other m 2017-03-21T23:02:07.41
IV.ARVD.HHN. ML:1.0 0.00001775 1.36 AML other m 2017-03-21T23:02:08.92
IV.ASSB.HHE. ML:1.3 0.0000547 0.9 AML other m 2017-03-21T23:02:02.92
IV.ASSB.HHN. ML:1.2 0.000048 1.62 AML other m 2017-03-21T23:02:03.10
IV.ATCC.EHE. ML:1.5 0.0000738 0.16 AML other m 2017-03-21T23:02:03.94
IV.ATCC.EHN. ML:1.2 0.0000382 0.2 AML other m 2017-03-21T23:02:05.03
IV.CING.HHN. ML:1.1 0.0000385 0.14 AML other m 2017-03-21T23:02:02.12
IV.CING.HHE. ML:1.2 0.000053400000000000004 0.26 AML other m 2017-03-21T23:02:02.52
IV.FDMO.HHE. ML:1.0 0.0001233 0.28 AML other m 2017-03-21T23:01:51.37
IV.FDMO.HHN. ML:1.2 0.000184 0.22 AML other m 2017-03-21T23:01:51.46
IV.GUMA.HHN. ML:1.6 0.000432 0.42 AML other m 2017-03-21T23:01:52.45
IV.GUMA.HHE. ML:1.6 0.00041049999999999995 0.2 AML other m 2017-03-21T23:01:53.71
IV.GUMA.HNN. ML:1.6 0.0004485 0.72 AML other m 2017-03-21T23:01:54.34
IV.GUMA.HNE. ML:1.6 0.0004575 0.46 AML other m 2017-03-21T23:01:56.09
IV.PIEI.HHE. ML:1.1 0.000014225 0.94 AML other m 2017-03-21T23:02:15.10
IV.PIEI.HHN. ML:0.9 0.000011550000000000001 0.42 AML other m 2017-03-21T23:02:27.28
IV.SMA1.EHN. ML:1.1 0.00004575 0.72 AML other m 2017-03-21T23:02:04.98
IV.SMA1.EHE. ML:1.1 0.00004105 0.32 AML other m 2017-03-21T23:02:01.39
IV.T1211.EHN. ML:1.3 0.000039535 0.74 AML other m 2017-03-21T23:02:06.55
IV.T1211.EHE. ML:1.2 0.000034250000000000006 0.46 AML other m 2017-03-21T23:02:06.88
IV.T1216.EHN. ML:1.4 0.0002225 0.24 AML other m 2017-03-21T23:01:53.42
IV.T1216.EHE. ML:1.4 0.0001995 0.4 AML other m 2017-03-21T23:01:53.17
IV.T1219.EHE. ML:1.1 0.0000969 0.56 AML other m 2017-03-21T23:01:54.94
IV.T1219.EHN. ML:1.0 0.0000923 0.24 AML other m 2017-03-21T23:01:56.47
IV.T1220.EHN. ML:2.0 0.0008395000000000001 0.34 AML other m 2017-03-21T23:01:55.13
IV.T1220.EHE. ML:1.9 0.000718 0.42 AML other m 2017-03-21T23:01:55.78
IV.T1241.EHN. ML:0.8 0.0000463 1.42 AML other m 2017-03-21T23:01:55.89
IV.T1241.EHE. ML:0.9 0.00005805 0.62 AML other m 2017-03-21T23:01:56.82
IV.T1245.HNE. ML:1.7 0.0005625 0.26 AML other m 2017-03-21T23:01:52.56
IV.T1245.HNN. ML:1.7 0.0005899999999999999 0.62 AML other m 2017-03-21T23:01:52.87
IV.T1245.HHN. ML:1.7 0.0005024999999999999 0.36 AML other m 2017-03-21T23:01:52.87
IV.T1245.HHE. ML:1.7 0.00053 0.16 AML other m 2017-03-21T23:01:52.56
IV.T1299.EHN. ML:0.8 0.00002495 0.34 AML other m 2017-03-21T23:02:01.60
IV.T1299.EHE. ML:0.9 0.00002815 0.34 AML other m 2017-03-21T23:02:01.32
IV.TERO.HHE. ML:1.0 0.000023800000000000003 0.38 AML other m 2017-03-21T23:02:04.48
IV.TERO.HHN. ML:0.9 0.000022199999999999998 0.98 AML other m 2017-03-21T23:02:05.04
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