Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-03-2017 and time 18:45:16 (Italy) in region 2 km NW Ussita (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Ussita (MC), on

  • 23-03-2017 17:45:16 (UTC)
  • 23-03-2017 18:45:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 13.1210 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 2 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Acquacanina MC 9 121 1953
Fiordimonte MC 9 202 2155
Fiastra MC 9 559 2714
Bolognola MC 9 142 2856
Monte Cavallo MC 10 145 3001
Pieve Torina MC 11 1458 4459
Preci PG 11 724 5183
Pievebovigliana MC 12 866 6049
Muccia MC 15 915 6964
Sarnano MC 17 3264 10228
Sellano PG 18 1079 11307
Montefortino FM 18 1178 12485
Montemonaco AP 18 604 13089
Serravalle di Chienti MC 19 1070 14159
Norcia PG 19 4957 19116
Amandola FM 19 3629 22745
Camerino MC 20 6974 29719
Cessapalombo MC 20 512 30231

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
98 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 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 1.4 2017-03-23
17:45:16		 42.9615 13.1213 11 2017-03-23
17:50:38		 Sala Sismica INGV-Roma 42832561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-23 17:45:16 ± 0.04
Latitude 42.9615 ± 0.0027
Longitude 13.1213 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42832561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52970
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 42832561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-23 17:50:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2017-03-23T17:45:45.32 3.0 undecidable manual S -0.48 0
IV.PIEI.HHZ. 2017-03-23T17:45:41.22 3.0 undecidable manual S 0.05 0
IV.MURB.HHZ. 2017-03-23T17:45:35.34 0.6 undecidable manual S 305 58.7967 50 1.04 33
IV.T1211.EHZ. 2017-03-23T17:45:33.03 3.0 undecidable manual S -0.28 0
IV.ATCC.EHZ. 2017-03-23T17:45:31.37 0.6 undecidable manual S 303 46.2204 50 0.42 44
IV.CING.HHZ. 2017-03-23T17:45:31.11 0.6 undecidable manual S 7 46.3203 50 0.14 46
IV.T1299.EHZ. 2017-03-23T17:45:29.56 0.6 undecidable manual S 160 38.628 50 0.65 41
IV.EL6.EHZ. 2017-03-23T17:45:29.81 0.6 undecidable manual S 358 40.8258 50 0.3 45
IV.SNTG.HHZ. 2017-03-23T17:45:28.00 0.6 undecidable manual S 336 35.742 50 -0.14 47
IV.ASSB.HHZ. 2017-03-23T17:45:28.80 0.6 undecidable manual S 284 38.628 50 -0.11 47
IV.T1217.EHZ. 2017-03-23T17:45:27.13 0.6 undecidable manual S 209 31.746 50 0.06 48
IV.T1218.EHZ. 2017-03-23T17:45:27.05 0.6 undecidable manual S 181 32.3454 50 -0.19 47
IV.ARVD.HHZ. 2017-03-23T17:45:26.45 3.0 negative manual P -0.43 0
IV.MURB.HHZ. 2017-03-23T17:45:26.62 0.3 positive manual P 305 58.7967 50 0.05 69
IV.CING.HHZ. 2017-03-23T17:45:25.20 0.6 undecidable manual P 7 46.3203 50 0.54 42
IV.TERO.HHZ. 2017-03-23T17:45:25.52 3.0 positive manual P -0.26 0
IV.T1241.EHZ. 2017-03-23T17:45:25.88 0.6 undecidable manual S 115 27.75 50 -0.13 48
IV.T1214.EHZ. 2017-03-23T17:45:24.83 0.6 undecidable manual S 162 23.4543 50 -0.05 49
IV.T1212.EHZ. 2017-03-23T17:45:24.92 0.6 undecidable manual S 195 24.1536 50 -0.12 48
IV.ATCC.EHZ. 2017-03-23T17:45:24.48 0.3 negative manual P 303 46.2204 50 -0.16 69
IV.CESI.HHZ. 2017-03-23T17:45:23.37 0.6 undecidable manual S 285 18.2706 120 0.03 50
IV.ASSB.HHZ. 2017-03-23T17:45:23.22 0.3 positive manual P 284 38.628 50 -0.25 69
IV.T1299.EHZ. 2017-03-23T17:45:23.51 1.0 undecidable manual P 160 38.628 50 0.05 24
IV.EL6.EHZ. 2017-03-23T17:45:23.57 0.6 positive manual P 358 40.8258 50 -0.24 46
IV.MMO1.EHZ. 2017-03-23T17:45:23.14 0.6 undecidable manual S 112 18.0708 120 -0.15 48
IV.T1245.HHZ. 2017-03-23T17:45:22.09 0.6 undecidable manual S 155 12.876 129 0.29 47
IV.NRCA.HHZ. 2017-03-23T17:45:22.10 0.6 undecidable manual S 182 14.1747 127 -0.07 50
IV.T1217.EHZ. 2017-03-23T17:45:22.27 0.1 undecidable manual P 209 31.746 50 -0.14 95
IV.T1220.EHZ. 2017-03-23T17:45:22.61 0.6 undecidable manual S 351 16.6722 122 -0.28 47
IV.T1218.EHZ. 2017-03-23T17:45:22.35 1.0 negative manual P 181 32.3454 50 -0.15 24
IV.T1219.EHZ. 2017-03-23T17:45:22.04 0.6 undecidable manual S 318 14.0748 127 -0.1 49
IV.SNTG.HHZ. 2017-03-23T17:45:22.76 0.6 negative manual P 336 35.742 50 -0.26 46
IV.T1241.EHZ. 2017-03-23T17:45:21.53 0.3 negative manual P 115 27.75 50 -0.26 70
IV.MC2.EHZ. 2017-03-23T17:45:21.13 0.6 undecidable manual S 135 7.7811 143 0.54 45
IV.T1256.HHZ. 2017-03-23T17:45:21.15 0.6 undecidable manual S 60 9.879 137 0.11 50
IV.T1214.EHZ. 2017-03-23T17:45:21.01 0.3 negative manual P 162 23.4543 50 -0.13 72
IV.T1212.EHZ. 2017-03-23T17:45:21.14 0.3 positive manual P 195 24.1536 50 -0.09 73
IV.FDMO.HHZ. 2017-03-23T17:45:20.83 0.6 undecidable manual S 342 8.7801 140 0.04 50
IV.MMO1.EHZ. 2017-03-23T17:45:20.10 0.1 negative manual P 112 18.0708 120 -0.12 98
IV.CESI.HHZ. 2017-03-23T17:45:20.29 0.3 undecidable manual P 285 18.2706 120 0.04 74
IV.T1219.EHZ. 2017-03-23T17:45:19.53 0.1 undecidable manual P 318 14.0748 127 -0.03 100
IV.T1245.HHZ. 2017-03-23T17:45:19.52 0.3 negative manual P 155 12.876 129 0.16 73
IV.NRCA.HHZ. 2017-03-23T17:45:19.62 1.0 undecidable manual P 182 14.1747 127 0.04 25
IV.T1256.HHZ. 2017-03-23T17:45:19.01 1.0 undecidable manual P 60 9.879 137 0.09 25
IV.T1220.EHZ. 2017-03-23T17:45:19.85 0.1 positive manual P 351 16.6722 122 -0.14 97
IV.FDMO.HHZ. 2017-03-23T17:45:18.68 0.1 undecidable manual P 342 8.7801 140 -0.1 99
IV.MC2.EHZ. 2017-03-23T17:45:18.92 1.0 undecidable manual P 135 7.7811 143 0.26 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.0 0.0000206 0.66 AML other m 2017-03-23T17:45:48.34
IV.ARVD.HHN. ML:1.0 0.00001835 0.06 AML other m 2017-03-23T17:45:50.49
IV.ASSB.HHN. ML:1.4 0.00007855000000000001 0.76 AML other m 2017-03-23T17:45:30.64
IV.ASSB.HHE. ML:1.2 0.0000586 0.3 AML other m 2017-03-23T17:45:30.56
IV.ATCC.EHN. ML:1.2 0.0000431 1.64 AML other m 2017-03-23T17:45:32.82
IV.ATCC.EHE. ML:1.2 0.00005235 0.52 AML other m 2017-03-23T17:45:32.77
IV.CESI.HHE. ML:1.6 0.000292 0.22 AML other m 2017-03-23T17:45:23.58
IV.CESI.HHN. ML:1.7 0.00036449999999999997 1 AML other m 2017-03-23T17:45:24.59
IV.CING.HHE. ML:0.8 0.0000214 1.08 AML other m 2017-03-23T17:45:32.25
IV.CING.HHN. ML:0.8 0.00002025 0.44 AML other m 2017-03-23T17:45:32.68
IV.EL6.EHE. ML:1.2 0.00004865 0.5 AML other m 2017-03-23T17:45:30.92
IV.EL6.EHN. ML:1.4 0.000073499 0.2 AML other m 2017-03-23T17:45:30.75
IV.FDMO.HHN. ML:1.6 0.000526 1.86 AML other m 2017-03-23T17:45:20.06
IV.FDMO.HHE. ML:1.5 0.00044050000000000003 0.1 AML other m 2017-03-23T17:45:21.00
IV.MURB.HHE. ML:1.4 0.0000571 1.14 AML other m 2017-03-23T17:45:36.86
IV.MURB.HHN. ML:1.3 0.0000453 0.8 AML other m 2017-03-23T17:45:37.12
IV.NRCA.HHE. ML:1.9 0.0008885000000000001 0.18 AML other m 2017-03-23T17:45:22.26
IV.NRCA.HHN. ML:1.8 0.0006094999999999999 1.02 AML other m 2017-03-23T17:45:22.38
IV.PIEI.HHE. ML:0.9 0.00001155 0.42 AML other m 2017-03-23T17:45:43.88
IV.PIEI.HHN. ML:0.9 0.00000952 0.42 AML other m 2017-03-23T17:46:01.67
IV.SNTG.HHN. ML:1.0 0.00003394999999999999 1.1 AML other m 2017-03-23T17:45:28.64
IV.SNTG.HHE. ML:0.9 0.000029749999999999998 0.54 AML other m 2017-03-23T17:45:29.01
IV.T1212.EHE. ML:1.4 0.00013645 0.24 AML other m 2017-03-23T17:45:25.16
IV.T1212.EHN. ML:1.2 0.00008455 1.06 AML other m 2017-03-23T17:45:25.89
IV.T1214.EHE. ML:1.4 0.00016949999999999997 0.18 AML other m 2017-03-23T17:45:25.55
IV.T1214.EHN. ML:1.3 0.000132 1.76 AML other m 2017-03-23T17:45:25.07
IV.T1219.EHN. ML:1.8 0.000665 0.3 AML other m 2017-03-23T17:45:22.25
IV.T1219.HNE. ML:1.7 0.0004545 0.58 AML other m 2017-03-23T17:45:22.38
IV.T1219.HNN. ML:1.8 0.000611 0.32 AML other m 2017-03-23T17:45:22.25
IV.T1219.EHE. ML:1.6 0.00043 0.56 AML other m 2017-03-23T17:45:22.10
IV.T1220.EHE. ML:1.8 0.0006054999999999999 1.2 AML other m 2017-03-23T17:45:24.06
IV.T1220.EHN. ML:1.9 0.0007225 0.92 AML other m 2017-03-23T17:45:23.41
IV.T1241.EHE. ML:1.3 0.00010700000000000001 0.18 AML other m 2017-03-23T17:45:26.15
IV.T1241.EHN. ML:1.3 0.00009395000000000001 0.16 AML other m 2017-03-23T17:45:26.25
IV.T1245.HNN. ML:1.8 0.000632 0.92 AML other m 2017-03-23T17:45:23.59
IV.T1245.HHN. ML:1.7 0.0005605 0.18 AML other m 2017-03-23T17:45:23.13
IV.T1245.HHE. ML:1.7 0.000561 0.72 AML other m 2017-03-23T17:45:22.97
IV.T1245.HNE. ML:1.7 0.000575 0.86 AML other m 2017-03-23T17:45:23.12
IV.T1256.HHE. ML:1.5 0.00035499999999999996 0.28 AML other m 2017-03-23T17:45:21.52
IV.T1256.HHN. ML:1.4 0.00033150000000000003 0.44 AML other m 2017-03-23T17:45:21.43
IV.TERO.HHE. ML:1.2 0.00003665 0.12 AML other m 2017-03-23T17:45:34.10
IV.TERO.HHN. ML:1.2 0.000040300000000000004 0.5 AML other m 2017-03-23T17:45:34.37
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