Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-02-2017 and time 22:03:01 (Italy) in region 4 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Castelsantangelo sul Nera (MC), on

  • 28-02-2017 21:03:01 (UTC)
  • 28-02-2017 22:03:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 13.1270 at 10 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
Castelsantangelo sul Nera MC 4 281 281
Preci PG 7 724 1005
Visso MC 8 1107 2112
Ussita MC 8 444 2556
Norcia PG 9 4957 7513
Bolognola MC 16 142 7655
Sellano PG 16 1079 8734
Montemonaco AP 17 604 9338
Montegallo AP 17 523 9861
Monte Cavallo MC 17 145 10006
Arquata del Tronto AP 18 1178 11184
Cerreto di Spoleto PG 18 1075 12259
Acquacanina MC 18 121 12380
Fiastra MC 19 559 12939
Fiordimonte MC 19 202 13141
Cascia PG 19 3217 16358
Montefortino FM 19 1178 17536

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
100 Km W 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 1.5 2017-02-28
21:03:01		 42.8705 13.1272 10 2017-02-28
21:08:51		 Sala Sismica INGV-Roma 41772711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 21:03:01 ± 0.03
Latitude 42.8705 ± 0.0018
Longitude 13.1272 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41772711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 232
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 30
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) 0.39210
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 41772711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 21:08:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2017-02-28T21:03:25.90 3.0 undecidable manual S -4 0
IV.ARVD.HHZ. 2017-02-28T21:03:24.33 3.0 undecidable manual S -0.18 0
IV.EL6.EHZ. 2017-02-28T21:03:18.64 3.0 undecidable manual S 0.17 0
IV.RM33.EHZ. 2017-02-28T21:03:15.10 0.3 undecidable manual S 170 40.7259 50 0.06 71
IV.ARVD.HHZ. 2017-02-28T21:03:14.03 3.0 negative manual P -0.36 0
IV.FIAM.HHZ. 2017-02-28T21:03:13.11 3.0 undecidable manual P -0.61 0
IV.SMA1.EHZ. 2017-02-28T21:03:12.40 0.6 undecidable manual S 147 31.5462 50 -0.2 47
IV.T1299.EHZ. 2017-02-28T21:03:12.17 0.3 undecidable manual S 154 29.1486 50 0.23 70
IV.CING.HHZ. 2017-02-28T21:03:11.58 3.0 undecidable manual P -0.31 0
IV.T1220.EHZ. 2017-02-28T21:03:11.19 0.6 undecidable manual S 353 26.751 50 -0.13 48
IV.GUMA.HHZ. 2017-02-28T21:03:11.63 0.6 undecidable manual S 38 27.1506 50 0.2 47
IV.EL6.EHZ. 2017-02-28T21:03:10.61 3.0 undecidable manual P -0.39 0
IV.T1241.EHZ. 2017-02-28T21:03:10.40 0.3 undecidable manual S 94 24.753 112 -0.35 69
IV.T1217.EHZ. 2017-02-28T21:03:10.24 0.6 undecidable manual S 222 23.754 113 -0.17 48
IV.T1211.EHZ. 2017-02-28T21:03:10.03 1.0 undecidable manual P 211 43.5231 50 0.29 22
IV.CESI.HHZ. 2017-02-28T21:03:10.21 0.6 undecidable manual S 310 23.4543 113 -0.1 48
IV.SNTG.HHZ. 2017-02-28T21:03:09.95 3.0 positive manual P -0.12 0
IV.T1215.EHZ. 2017-02-28T21:03:09.79 0.3 undecidable manual S 250 22.3554 114 -0.19 71
IV.ARRO.EHZ. 2017-02-28T21:03:09.87 3.0 positive manual P -0.03 0
IV.RM33.EHZ. 2017-02-28T21:03:09.15 0.3 undecidable manual P 170 40.7259 50 -0.16 69
IV.TERO.HHZ. 2017-02-28T21:03:09.97 3.0 undecidable manual P -0.51 0
IV.ASSB.HHZ. 2017-02-28T21:03:09.53 3.0 positive manual P -0.15 0
IV.FDMO.HHZ. 2017-02-28T21:03:08.58 0.6 undecidable manual S 350 18.6702 118 -0.25 47
IV.T1220.EHZ. 2017-02-28T21:03:07.02 0.6 negative manual P 353 26.751 50 -0.13 48
IV.GUMA.HHZ. 2017-02-28T21:03:07.32 0.1 positive manual P 38 27.1506 50 0.1 96
IV.T1212.EHZ. 2017-02-28T21:03:07.73 0.6 undecidable manual S 207 14.7741 124 0.05 50
IV.SMA1.EHZ. 2017-02-28T21:03:07.65 0.6 undecidable manual P 147 31.5462 50 -0.25 46
IV.T1299.EHZ. 2017-02-28T21:03:07.53 0.3 undecidable manual P 154 29.1486 50 0.01 73
IV.LNSS.HHZ. 2017-02-28T21:03:07.55 0.3 undecidable manual P 193 30.5472 50 -0.19 70
IV.CESI.HHZ. 2017-02-28T21:03:06.63 0.1 negative manual P 310 23.4543 113 0.05 98
IV.T1241.EHZ. 2017-02-28T21:03:06.77 0.6 undecidable manual P 94 24.753 112 -0.05 49
IV.T1217.EHZ. 2017-02-28T21:03:06.66 0.3 undecidable manual P 222 23.754 113 0.02 74
IV.T1215.EHZ. 2017-02-28T21:03:06.41 0.1 undecidable manual P 250 22.3554 114 0.02 98
IV.FDMO.HHZ. 2017-02-28T21:03:05.68 0.1 positive manual P 350 18.6702 118 -0.04 99
IV.T1214.EHZ. 2017-02-28T21:03:05.00 0.1 positive manual P 152 13.9749 126 0.08 99
IV.MC2.EHZ. 2017-02-28T21:03:05.79 0.6 undecidable manual S 48 6.7932 146 0.12 50
IV.T1212.EHZ. 2017-02-28T21:03:05.26 0.1 positive manual P 207 14.7741 124 0.2 96
IV.NRCA.HNZ. 2017-02-28T21:03:04.95 0.6 undecidable manual S 194 4.1958 157 -0.29 48
IV.MC2.EHZ. 2017-02-28T21:03:04.10 0.1 undecidable manual P 48 6.7932 146 0.2 97
IV.T1218.EHZ. 2017-02-28T21:03:04.54 3.0 undecidable manual P -1.77 0
IV.T1216.EHZ. 2017-02-28T21:03:04.37 0.1 negative manual P 284 9.0798 138 0.19 97
IV.NRCA.HNZ. 2017-02-28T21:03:03.75 0.1 positive manual P 194 4.1958 157 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.6 0.00010965 1.5 AML other m 2017-02-28T21:03:20.11
IV.EL6.EHN. ML:1.6 0.00011695 0.56 AML other m 2017-02-28T21:03:33.94
IV.FDMO.HHN. ML:1.5 0.00026250000000000004 0.9 AML other m 2017-02-28T21:03:09.79
IV.FDMO.HHE. ML:1.5 0.00023199999999999997 1.16 AML other m 2017-02-28T21:03:10.65
IV.GUMA.HHN. ML:1.7 0.00027800000000000004 1.18 AML other m 2017-02-28T21:03:12.67
IV.GUMA.HHE. ML:1.7 0.0002605 0.86 AML other m 2017-02-28T21:03:13.15
IV.LNSS.HHE. ML:1.6 0.000202 1.28 AML other m 2017-02-28T21:03:12.81
IV.LNSS.HHN. ML:1.6 0.0002115 1.58 AML other m 2017-02-28T21:03:13.82
IV.RM33.EHN. ML:1.4 0.00007549999999999999 0.88 AML other m 2017-02-28T21:03:15.08
IV.RM33.EHE. ML:1.4 0.0000798 0.66 AML other m 2017-02-28T21:03:17.35
IV.SMA1.EHE. ML:1.5 0.0001315 0.22 AML other m 2017-02-28T21:03:12.69
IV.SMA1.EHN. ML:1.5 0.000129 1.26 AML other m 2017-02-28T21:03:13.06
IV.T1212.EHN. ML:1.6 0.0004295 0.18 AML other m 2017-02-28T21:03:07.89
IV.T1212.EHE. ML:1.7 0.000454 0.2 AML other m 2017-02-28T21:03:07.90
IV.T1214.HNE. ML:1.6 0.00035999999999999997 0.14 AML other m 2017-02-28T21:03:07.89
IV.T1214.EHE. ML:1.5 0.0003195 0.68 AML other m 2017-02-28T21:03:08.55
IV.T1214.EHN. ML:1.6 0.00035499999999999996 0.22 AML other m 2017-02-28T21:03:07.87
IV.T1214.HNN. ML:1.5 0.00035150000000000003 0.2 AML other m 2017-02-28T21:03:07.87
IV.T1216.EHE. ML:1.7 0.0007149999999999999 0.54 AML other m 2017-02-28T21:03:06.47
IV.T1216.EHN. ML:1.6 0.000635 0.3 AML other m 2017-02-28T21:03:07.46
IV.T1217.EHE. ML:1.4 0.000146 0.08 AML other m 2017-02-28T21:03:10.80
IV.T1217.EHN. ML:1.2 0.0001085 0.9 AML other m 2017-02-28T21:03:11.47
IV.T1299.EHE. ML:1.4 0.00014150000000000002 1.1 AML other m 2017-02-28T21:03:12.86
IV.T1299.EHN. ML:1.5 0.0001675 1.08 AML other m 2017-02-28T21:03:12.29
IV.TERO.HNN. ML:1.5 0.0000838 0.86 AML other m 2017-02-28T21:03:17.55
IV.TERO.HHE. ML:1.5 0.00008075 0.14 AML other m 2017-02-28T21:03:18.24
IV.TERO.HNE. ML:1.6 0.0001266 0.96 AML other m 2017-02-28T21:03:11.14
IV.TERO.HHN. ML:1.5 0.0000849 0.86 AML other m 2017-02-28T21:03:17.55
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