Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-04-2019 and time 00:59:21 (Italy) in region 6 km NE San Severino Marche (MC)

A magnitude ML 1.7 earthquake occured in region: 6 km NE San Severino Marche (MC), on

  • 17-04-2019 22:59:21 (UTC)
  • 18-04-2019 00:59:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2790, 13.2010 at 24 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
San Severino Marche MC 6 12726 12726
Treia MC 10 9403 22129
Tolentino MC 10 20069 42198
Cingoli MC 11 10352 52550
Serrapetrona MC 11 966 53516
Gagliole MC 12 620 54136
Pollenza MC 12 6618 60754
Belforte del Chienti MC 13 1886 62640
Castelraimondo MC 14 4587 67227
Apiro MC 14 2280 69507
Poggio San Vicino MC 15 246 69753
Appignano MC 15 4213 73966
Matelica MC 16 9981 83947
Caldarola MC 16 1823 85770
Urbisaglia MC 17 2628 88398
Camporotondo di Fiastrone MC 17 563 88961
Staffolo AN 17 2253 91214
Colmurano MC 18 1263 92477
Cerreto d'Esi AN 18 3817 96294
Camerino MC 19 6974 103268
Cessapalombo MC 19 512 103780
San Paolo di Jesi AN 20 933 104713
Cupramontana AN 20 4756 109469

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Ancona (100861 inhabitants)
54 Km NE of Foligno (57155 inhabitants)
65 Km S of Fano (60888 inhabitants)
69 Km E of Perugia (166134 inhabitants)
74 Km SE of Pesaro (94582 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
92 Km NE of Terni (111501 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
Bulletin
Rev1000 		ML 1.7 2019-04-17
22:59:21		 43.2792 13.2008 24 2019-08-22
08:24:58		 Bollettino Sismico Italiano INGV 68100721
Reviewed
Rev100 		ML 1.7 2019-04-17
22:59:21		 43.2783 13.2062 24 2019-04-17
23:10:03		 Sala Sismica INGV-Roma 67692081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-17 22:59:21 ± 0.09
Latitude 43.2792 ± 0.0036
Longitude 13.2008 ± 0.0062
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68100721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87504
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 67692081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-17 23:10:03

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 68100721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-29 16:53:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BIOG.HHZ. 2019-04-17T23:00:35.69 3.0 undecidable manual Sg 3.15 0
MN.TRI.HHZ. 2019-04-17T23:00:33.26 3.0 undecidable manual Sg 1.94 0
IT.VNF1.HGZ. 2019-04-17T23:00:17.81 3.0 undecidable manual Sn 0.59 0
IV.MOMA.HHZ. 2019-04-17T22:59:44.43 0.3 undecidable manual S 224 73.4709 101 0.6 61
IV.GAVE.EHZ. 2019-04-17T22:59:43.93 0.6 undecidable manual S 201 69.6747 102 1.08 34
IV.ATVO.HHZ. 2019-04-17T22:59:42.20 0.3 undecidable manual S 280 65.0904 103 0.56 62
IV.PIEI.HHZ. 2019-04-17T22:59:40.68 0.6 undecidable manual S 298 60.6948 104 0.16 46
IV.MPAG.EHZ. 2019-04-17T22:59:38.85 0.3 undecidable manual S 318 52.6029 107 0.42 66
IV.MGAB.HHZ. 2019-04-17T22:59:38.42 0.6 undecidable manual P 246 97.125 98 0.47 40
IV.NRCA.HHZ. 2019-04-17T22:59:38.50 0.3 undecidable manual S 188 49.9167 108 0.75 61
IV.ASSB.HHZ. 2019-04-17T22:59:38.29 0.6 undecidable manual S 239 51.1155 108 0.24 47
IV.COR1.EHZ. 2019-04-17T22:59:37.61 0.6 undecidable manual S 338 42.3243 112 1.78 22
IV.ATCC.EHZ. 2019-04-17T22:59:37.24 0.6 undecidable manual S 257 46.5201 110 0.36 46
IV.GIGS.HHZ. 2019-04-17T22:59:37.60 0.3 undecidable manual P 162 96.5256 98 -0.26 64
IV.CESX.HHZ. 2019-04-17T22:59:36.65 1.0 undecidable manual P 214 89.5437 99 -0.16 22
IV.AOI.HHE. 2019-04-17T22:59:36.84 0.3 undecidable manual S 47 44.1225 111 0.56 66
IV.ARRO.EHZ. 2019-04-17T22:59:36.01 0.3 undecidable manual P 205 85.3479 100 -0.15 67
IV.PESA.HHZ. 2019-04-17T22:59:35.53 0.3 undecidable manual P 339 78.9654 101 0.34 64
IV.RM33.EHZ. 2019-04-17T22:59:35.91 0.6 undecidable manual P 179 85.4478 100 -0.27 43
IV.CESI.HHZ. 2019-04-17T22:59:35.37 0.6 undecidable manual S 218 38.7279 114 0.41 46
IV.TERO.HHZ. 2019-04-17T22:59:35.29 0.6 undecidable manual P 156 79.8645 100 -0.04 46
IV.FOSV.EHZ. 2019-04-17T22:59:34.30 0.6 undecidable manual S 273 35.5422 116 0.12 49
IV.SSFR.HHZ. 2019-04-17T22:59:34.68 0.6 undecidable manual S 297 38.0286 114 -0.09 50
IV.MOMA.HHZ. 2019-04-17T22:59:34.35 0.1 undecidable manual P 224 73.4709 101 -0.01 94
IV.LNSS.HHZ. 2019-04-17T22:59:34.63 0.1 undecidable manual P 190 76.1682 101 -0.14 91
IV.SMA1.EHZ. 2019-04-17T22:59:33.95 0.6 negative manual P 171 72.7716 102 -0.31 44
IV.ATPI.EHZ. 2019-04-17T22:59:33.43 0.3 undecidable manual P 287 67.1772 103 0.02 71
IV.ARVD.HHZ. 2019-04-17T22:59:33.12 0.3 undecidable manual S 319 32.0457 119 -0.24 73
IV.GAVE.EHZ. 2019-04-17T22:59:33.70 0.1 undecidable manual P 201 69.6747 102 -0.09 93
IV.FDMO.HHZ. 2019-04-17T22:59:32.62 0.6 undecidable manual S 199 28.4493 123 0.09 51
IV.GUMA.HHE. 2019-04-17T22:59:32.70 0.3 undecidable manual S 156 26.3514 125 0.63 68
IV.PIEI.HHZ. 2019-04-17T22:59:32.08 0.3 undecidable manual P 298 60.6948 104 -0.37 68
IV.ATVO.HHZ. 2019-04-17T22:59:32.97 0.3 undecidable manual P 280 65.0904 103 -0.13 70
IV.CSP1.EHZ. 2019-04-17T22:59:31.00 0.6 undecidable manual S 179 20.7681 133 0.08 52
IV.MPAG.EHZ. 2019-04-17T22:59:31.00 0.1 undecidable manual P 318 52.6029 107 -0.25 94
IV.MMUR.HNE. 2019-04-17T22:59:31.30 0.3 undecidable manual S 318 24.3534 128 -0.35 72
IV.SEF1.HNN. 2019-04-17T22:59:31.50 0.3 undecidable manual S 234 25.1526 127 -0.32 72
IV.SNTG.HHZ. 2019-04-17T22:59:30.88 0.6 undecidable manual S 263 21.1677 132 -0.11 50
IV.ASSB.HHZ. 2019-04-17T22:59:30.73 0.3 undecidable manual P 239 51.1155 108 -0.3 69
IV.COR1.EHZ. 2019-04-17T22:59:30.11 0.1 positive manual P 338 42.3243 112 0.36 92
IV.ATCC.EHZ. 2019-04-17T22:59:30.22 0.1 positive manual P 257 46.5201 110 -0.13 97
IV.NRCA.HHZ. 2019-04-17T22:59:30.62 0.3 negative manual P 188 49.9167 108 -0.23 70
IV.AOI.HHE. 2019-04-17T22:59:29.91 0.3 undecidable manual P 47 44.1225 111 -0.1 73
IV.TRE1.HNE. 2019-04-17T22:59:29.40 0.3 undecidable manual S 69 9.6792 155 0.25 76
IV.SSFR.HHZ. 2019-04-17T22:59:29.08 0.1 positive manual P 297 38.0286 114 -0.05 100
IV.FEMA.HNE. 2019-04-17T22:59:29.13 0.3 undecidable manual P 199 37.2294 115 0.1 74
IV.MDAR.HNZ. 2019-04-17T22:59:29.04 0.3 undecidable manual S 206 10.6782 152 -0.23 74
IV.CESI.HHZ. 2019-04-17T22:59:29.12 0.1 negative manual P 218 38.7279 114 -0.12 98
IV.FOSV.EHZ. 2019-04-17T22:59:28.61 0.1 positive manual P 273 35.5422 116 -0.18 98
IT.MTCL.HGZ. 2019-04-17T22:59:28.63 0.1 undecidable manual P 207 35.6421 116 -0.17 97
IV.GUMA.HHE. 2019-04-17T22:59:27.60 0.3 undecidable manual P 156 26.3514 125 0.03 77
IV.MMUR.HNE. 2019-04-17T22:59:27.04 0.3 undecidable manual P 318 24.3534 128 -0.29 73
IV.ARVD.HHZ. 2019-04-17T22:59:27.96 0.1 negative manual P 319 32.0457 119 -0.35 95
IV.MNTP.HNE. 2019-04-17T22:59:27.80 0.3 undecidable manual P 126 26.8509 125 0.17 75
IV.SEF1.HNN. 2019-04-17T22:59:27.29 0.6 undecidable manual P 234 25.1526 127 -0.14 50
IV.FDMO.HHZ. 2019-04-17T22:59:27.62 0.1 undecidable manual P 199 28.4493 123 -0.22 97
IV.SNTG.HHZ. 2019-04-17T22:59:26.67 0.3 undecidable manual P 263 21.1677 132 -0.28 73
IV.CSP1.EHZ. 2019-04-17T22:59:26.75 0.3 negative manual P 179 20.7681 133 -0.16 75
IV.MDAR.HNZ. 2019-04-17T22:59:25.68 0.3 undecidable manual P 206 10.6782 152 -0.28 74
IV.TRE1.HNE. 2019-04-17T22:59:25.77 0.3 undecidable manual P 69 9.6792 155 -0.11 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:1.5 0.0001525 0.1 AML other m 2019-04-17T22:59:32.08
IV.CSP1.EHE. ML:2.0 0.000472 0.48 AML other m 2019-04-17T22:59:31.47
IV.CSP1.EHN. ML:1.9 0.00042449999999999996 1.34 AML other m 2019-04-17T22:59:31.74
IV.FDMO.HHE. ML:1.8 0.0002445 1.76 AML other m 2019-04-17T22:59:32.09
IV.FDMO.HHN. ML:1.8 0.00027749999999999997 0.16 AML other m 2019-04-17T22:59:33.39
IV.ARVD.HHN. ML:1.4 0.0000979 0.7 AML other m 2019-04-17T22:59:33.84
IV.ARVD.HHE. ML:1.4 0.00010005 0.92 AML other m 2019-04-17T22:59:34.62
IV.FOSV.EHE. ML:1.7 0.000163 0.32 AML other m 2019-04-17T22:59:34.82
IV.FOSV.EHN. ML:1.5 0.00011350000000000001 0.46 AML other m 2019-04-17T22:59:34.64
IV.CESI.HHE. ML:1.7 0.00013800000000000002 0.6 AML other m 2019-04-17T22:59:35.74
IV.SSFR.HNE. ML:2.1 0.0004075 0.52 AML other m 2019-04-17T22:59:35.48
IV.CESI.HHN. ML:2.0 0.000298 0.26 AML other m 2019-04-17T22:59:35.50
IV.SSFR.HNN. ML:2.1 0.00040100000000000004 0.6 AML other m 2019-04-17T22:59:37.56
IV.SSFR.HHN. ML:1.9 0.000264 0.16 AML other m 2019-04-17T22:59:37.56
IV.SSFR.HHE. ML:1.9 0.0002685 0.2 AML other m 2019-04-17T22:59:37.58
IV.ATCC.EHN. ML:1.7 0.000131 0.66 AML other m 2019-04-17T22:59:39.46
IV.ASSB.HHE. ML:2.0 0.000255 0.4 AML other m 2019-04-17T22:59:39.54
IV.ASSB.HHN. ML:2.1 0.00029 0.28 AML other m 2019-04-17T22:59:39.54
IV.MPAG.EHE. ML:1.6 0.0000784 1.32 AML other m 2019-04-17T22:59:39.13
IV.NRCA.HHE. ML:1.7 0.0001305 0.78 AML other m 2019-04-17T22:59:40.05
IV.ATCC.EHE. ML:1.6 0.0001019 0.92 AML other m 2019-04-17T22:59:40.84
IV.PIEI.HHN. ML:1.4 0.000049600000000000006 1.66 AML other m 2019-04-17T22:59:40.83
IV.MPAG.EHN. ML:1.4 0.000056149999999999996 0.4 AML other m 2019-04-17T22:59:41.79
IV.NRCA.HHN. ML:1.6 0.0001045 0.14 AML other m 2019-04-17T22:59:42.27
IV.ATVO.HHE. ML:1.5 0.00005065 0.26 AML other m 2019-04-17T22:59:42.38
IV.ATVO.HHN. ML:1.6 0.000067 0.28 AML other m 2019-04-17T22:59:42.50
IV.PIEI.HHE. ML:1.7 0.00008975 0.38 AML other m 2019-04-17T22:59:42.60
IV.ATPI.EHN. ML:1.6 0.00006825 0.32 AML other m 2019-04-17T22:59:43.34
IV.ATPI.EHE. ML:1.6 0.00006110000000000001 0.26 AML other m 2019-04-17T22:59:43.98
IV.GAVE.EHE. ML:1.8 0.00010180000000000001 1.58 AML other m 2019-04-17T22:59:44.93
IV.GAVE.EHN. ML:1.7 0.00007535 0.48 AML other m 2019-04-17T22:59:44.60
IV.MOMA.HHN. ML:1.9 0.00010769999999999999 1.66 AML other m 2019-04-17T22:59:44.89
IV.MOMA.HHE. ML:1.8 0.00010159999999999999 0.16 AML other m 2019-04-17T22:59:46.05
IV.TERO.HHE. ML:1.4 0.000031899999999999996 0.52 AML other m 2019-04-17T22:59:49.09
IV.ARRO.EHE. ML:1.6 0.0000521 0.22 AML other m 2019-04-17T22:59:49.21
IV.PESA.HHE. ML:1.7 0.0000686 0.3 AML other m 2019-04-17T22:59:49.38
IV.TERO.HHN. ML:1.5 0.0000375 0.3 AML other m 2019-04-17T22:59:49.46
IV.ARRO.EHN. ML:1.5 0.0000335 0.2 AML other m 2019-04-17T22:59:49.93
IV.SMA1.EHN. ML:1.4 0.0000365 1.14 AML other m 2019-04-17T22:59:50.81
IV.PESA.HHN. ML:1.8 0.00007825 0.86 AML other m 2019-04-17T22:59:50.81
IV.CESX.HHE. ML:1.8 0.000067 0.86 AML other m 2019-04-17T22:59:50.06
IV.SMA1.EHE. ML:1.4 0.00004105 0.42 AML other m 2019-04-17T22:59:50.43
IV.CESX.HHN. ML:1.7 0.000055400000000000005 1.52 AML other m 2019-04-17T22:59:51.82
IV.LNSS.HHN. ML:1.7 0.00006685000000000001 1.62 AML other m 2019-04-17T22:59:51.92
IV.LNSS.HHE. ML:1.6 0.000051750000000000004 0.52 AML other m 2019-04-17T22:59:52.26
IV.MGAB.HHN. ML:1.6 0.00003835 0.46 AML other m 2019-04-17T22:59:54.56
IV.RM33.EHN. ML:1.5 0.00004035 0.4 AML other m 2019-04-17T22:59:54.75
IV.RM33.EHE. ML:1.5 0.00003505 0.52 AML other m 2019-04-17T22:59:55.25
IV.MGAB.HHE. ML:1.5 0.00003395 0.62 AML other m 2019-04-17T22:59:56.76
IV.MDAR.HNN. ML:1.7 0.00031530475 0.1664 AML other m 2019-04-17T22:59:29.06
IV.MDAR.HNE. ML:1.6 0.00027797755 0.0896 AML other m 2019-04-17T22:59:29.08
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