Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 31-08-2018 and time 19:38:57 (Italy) in region 1 km NW Pieve Torina (MC)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Pieve Torina (MC), on

  • 31-08-2018 17:38:57 (UTC)
  • 31-08-2018 19:38:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0510, 13.0440 at 9 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
Pieve Torina MC 1 1458 1458
Muccia MC 4 915 2373
Pievebovigliana MC 4 866 3239
Fiordimonte MC 4 202 3441
Monte Cavallo MC 7 145 3586
Serravalle di Chienti MC 8 1070 4656
Fiastra MC 9 559 5215
Camerino MC 10 6974 12189
Acquacanina MC 11 121 12310
Sefro MC 13 422 12732
Visso MC 14 1107 13839
Ussita MC 14 444 14283
Pioraco MC 15 1134 15417
Bolognola MC 16 142 15559
Castelraimondo MC 18 4587 20146
Fiuminata MC 18 1402 21548
Caldarola MC 18 1823 23371
Serrapetrona MC 18 966 24337
Cessapalombo MC 19 512 24849
Preci PG 19 724 25573
Castelsantangelo sul Nera MC 20 281 25854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 Km S of Pesaro (94582 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 2.1 2018-08-31
17:38:57		 43.0512 13.044 9 2019-04-24
14:51:14		 Bollettino Sismico Italiano INGV 66966811
Reviewed
Rev100 		ML 2.3 2018-08-31
17:38:57		 43.0533 13.0432 9 2018-08-31
17:48:38		 Sala Sismica INGV-Roma 60432181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-31 17:38:57 ± 0.04
Latitude 43.0512 ± 0.0018
Longitude 13.0440 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66966811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.98206
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 41
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 66966811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-27 11:28:27

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 60432181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-31 17:48:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2018-08-31T17:39:16.39 0.6 undecidable manual P 147 109.0131 50 0.02 41
IV.SACS.HHZ. 2018-08-31T17:39:15.30 0.3 undecidable manual P 257 94.8384 50 1.12 44
IV.SMA1.EHZ. 2018-08-31T17:39:15.11 0.6 undecidable manual S 153 52.3032 50 0.3 44
IV.MURB.HHZ. 2018-08-31T17:39:14.36 0.6 undecidable manual S 299 48.1185 50 0.67 39
IV.ARVD.HHZ. 2018-08-31T17:39:14.66 0.6 undecidable manual S 351 50.2164 50 0.41 43
IV.CAFI.HHZ. 2018-08-31T17:39:14.29 0.3 undecidable manual P 290 92.4408 50 0.47 58
IV.BADI.EHZ. 2018-08-31T17:39:12.44 0.3 undecidable manual P 308 82.1511 50 0.2 63
IV.MTRA.EHZ. 2018-08-31T17:39:12.37 0.6 undecidable manual S 139 43.4232 50 -0.06 47
IV.GIGS.HHZ. 2018-08-31T17:39:11.30 0.3 undecidable manual P 147 79.0653 50 -0.46 60
IV.MF5.EHZ. 2018-08-31T17:39:10.88 0.6 undecidable manual S 102 34.4433 50 0.85 37
IV.ATPI.EHZ. 2018-08-31T17:39:10.02 0.1 undecidable manual P 311 68.1762 50 -0.06 89
IV.FOSV.EHZ. 2018-08-31T17:39:10.11 0.6 undecidable manual S 320 35.4423 50 -0.18 46
IV.ATCC.EHZ. 2018-08-31T17:39:10.64 0.6 undecidable manual S 295 35.9418 50 0.22 46
IV.NARO.HHZ. 2018-08-31T17:39:10.59 0.3 undecidable manual P 329 72.4719 50 -0.15 65
IV.PIEI.HHZ. 2018-08-31T17:39:09.86 0.3 undecidable manual P 323 67.6767 50 -0.14 66
IV.EL6.EHZ. 2018-08-31T17:39:09.02 0.6 undecidable manual S 9 31.2465 106 -0.07 48
IV.ATVO.HHZ. 2018-08-31T17:39:09.18 0.1 undecidable manual P 306 63.2922 50 -0.14 88
IV.TERO.HHZ. 2018-08-31T17:39:09.45 0.3 undecidable manual P 136 65.7897 50 -0.27 64
IV.CAMP.HHZ. 2018-08-31T17:39:09.11 0.3 undecidable manual P 152 64.491 50 -0.39 63
IV.MMO1.EHZ. 2018-08-31T17:39:08.00 0.3 undecidable manual S 126 28.4493 107 -0.18 70
IV.RM33.EHZ. 2018-08-31T17:39:08.77 0.3 undecidable manual P 167 61.6938 50 -0.32 64
IV.FRON.EHZ. 2018-08-31T17:39:08.25 0.3 undecidable manual P 334 57.7977 50 -0.23 66
IV.ARRO.EHZ. 2018-08-31T17:39:08.43 0.3 undecidable manual P 203 57.0984 50 0.06 68
IV.SMA1.EHZ. 2018-08-31T17:39:07.31 0.1 undecidable manual P 153 52.3032 50 -0.33 87
IV.ARVD.HHZ. 2018-08-31T17:39:07.13 0.1 undecidable manual P 351 50.2164 50 -0.19 90
IV.ATFO.HHZ. 2018-08-31T17:39:07.46 0.3 undecidable manual P 313 51.8037 50 -0.09 68
IV.NRCA.HHZ. 2018-08-31T17:39:07.03 0.3 undecidable manual S 167 24.8529 109 0.06 72
IV.GUMA.HHZ. 2018-08-31T17:39:07.30 0.3 undecidable manual S 87 23.6541 110 0.71 61
IV.SSM1.HNE. 2018-08-31T17:39:06.14 0.6 undecidable manual S 29 22.4553 111 -0.06 48
IV.GAG1.HNE. 2018-08-31T17:39:06.00 0.6 undecidable manual S 5 20.7681 113 0.33 46
IV.SNTG.HHZ. 2018-08-31T17:39:06.73 0.3 undecidable manual S 340 24.0537 110 -0.01 73
IV.SSFR.HHZ. 2018-08-31T17:39:06.88 0.3 undecidable manual P 334 47.619 50 -0.04 70
IV.MURB.HHZ. 2018-08-31T17:39:06.95 0.1 undecidable manual P 299 48.1185 50 -0.04 93
IV.MF5.EHZ. 2018-08-31T17:39:05.22 0.1 undecidable manual P 102 34.4433 50 0.34 89
IV.MTRA.EHZ. 2018-08-31T17:39:05.99 0.1 negative manual P 139 43.4232 50 -0.28 89
IV.MC2.EHZ. 2018-08-31T17:39:05.47 0.3 undecidable manual S 143 19.4694 114 0.22 71
IV.ATCC.EHZ. 2018-08-31T17:39:04.95 0.1 positive manual P 295 35.9418 50 -0.16 93
IV.MDAR.HNN. 2018-08-31T17:39:04.56 0.6 undecidable manual S 27 17.5713 116 -0.1 48
IV.FIU1.HNZ. 2018-08-31T17:39:04.56 0.6 undecidable manual S 329 17.7711 116 -0.14 48
IV.EL6.EHZ. 2018-08-31T17:39:04.06 0.1 positive manual P 9 31.2465 106 -0.28 91
IV.FOSV.EHZ. 2018-08-31T17:39:04.71 0.1 undecidable manual P 320 35.4423 50 -0.32 90
IV.CESI.HHZ. 2018-08-31T17:39:03.46 0.6 undecidable manual S 246 12.3765 125 0.35 46
IV.GUMA.HHZ. 2018-08-31T17:39:03.19 0.1 positive manual P 87 23.6541 110 0.3 92
IV.CSP1.EHE. 2018-08-31T17:39:03.66 0.6 undecidable manual S 71 13.7751 122 0.16 48
IV.MMO1.EHZ. 2018-08-31T17:39:03.63 0.1 negative manual P 126 28.4493 107 -0.18 93
IV.PF6.EHZ. 2018-08-31T17:39:03.92 0.6 undecidable manual S 52 15.4734 119 -0.1 49
IV.PIO1.HNZ. 2018-08-31T17:39:03.80 0.6 undecidable manual S 341 14.874 120 -0.03 49
IV.SEF1.HNE. 2018-08-31T17:39:03.27 0.3 undecidable manual S 324 13.1757 123 -0.05 74
IV.NRCA.HHZ. 2018-08-31T17:39:03.00 0.1 negative manual P 167 24.8529 109 -0.12 95
IV.MC2.EHZ. 2018-08-31T17:39:02.20 0.1 negative manual P 143 19.4694 114 0.08 97
IV.SSM1.HNE. 2018-08-31T17:39:02.61 0.1 undecidable manual P 29 22.4553 111 -0.06 97
IV.GAG1.HNE. 2018-08-31T17:39:02.59 0.1 undecidable manual P 5 20.7681 113 0.22 94
IV.FEMA.HNZ. 2018-08-31T17:39:02.48 0.3 undecidable manual S 177 9.879 131 0.06 74
IV.SNTG.HHZ. 2018-08-31T17:39:02.93 0.3 undecidable manual P 340 24.0537 110 -0.05 72
IV.FIU1.HNZ. 2018-08-31T17:39:02.01 0.1 undecidable manual P 329 17.7711 116 0.21 95
IV.PIO1.HNZ. 2018-08-31T17:39:01.38 0.3 undecidable manual P 341 14.874 120 0.08 73
IV.SEF1.HNE. 2018-08-31T17:39:01.01 0.3 undecidable manual P 324 13.1757 123 0 75
IV.MML1.EHZ. 2018-08-31T17:39:01.92 0.6 undecidable manual S 320 9.0798 134 -0.28 47
IV.CESI.HHZ. 2018-08-31T17:39:01.10 0.1 positive manual P 246 12.3765 125 0.22 95
IV.MDAR.HNN. 2018-08-31T17:39:01.73 0.1 undecidable manual P 27 17.5713 116 -0.05 98
IV.CSP1.EHE. 2018-08-31T17:39:01.22 0.1 undecidable manual P 71 13.7751 122 0.1 97
IV.PF6.EHZ. 2018-08-31T17:39:01.42 0.1 undecidable manual P 52 15.4734 119 0.01 99
IV.FDMO.HHZ. 2018-08-31T17:39:00.39 0.6 undecidable manual S 115 3.8961 156 -0.76 41
IV.MML1.EHZ. 2018-08-31T17:39:00.37 0.1 undecidable manual P 320 9.0798 134 0.01 100
IV.FEMA.HNZ. 2018-08-31T17:39:00.67 0.1 undecidable manual P 177 9.879 131 0.19 96
IV.FDMO.HHZ. 2018-08-31T17:38:59.51 0.1 undecidable manual P 115 3.8961 156 -0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.6 0.006031993500000001 0.192 AML other m 2018-08-31T17:39:03.43
IV.FEMA.HNN. ML:2.6 0.0059109785 0.2688 AML other m 2018-08-31T17:39:03.54
IV.CESI.HHN. ML:2.2 0.00182996485 0.1408 AML other m 2018-08-31T17:39:04.97
IV.CESI.HHE. ML:2.1 0.00137433105 1.9104 AML other m 2018-08-31T17:39:05.04
IV.SNTG.HNE. ML:1.8 0.0004112211 0.2176 AML other m 2018-08-31T17:39:06.84
IV.SNTG.HNN. ML:2.1 0.0007479614 1.7696 AML other m 2018-08-31T17:39:07.04
IV.SNTG.HHN. ML:2.1 0.0007917501500000001 1.7824 AML other m 2018-08-31T17:39:07.05
IV.NRCA.HNN. ML:2.5 0.0019016165 0.1664 AML other m 2018-08-31T17:39:07.33
IV.NRCA.HHN. ML:2.5 0.0020394105 0.1792 AML other m 2018-08-31T17:39:07.32
IV.GUMA.HNE. ML:2.9 0.0051583175 0.3712 AML other m 2018-08-31T17:39:07.62
IV.GUMA.HHE. ML:3.1 0.007878608999999998 0.2816 AML other m 2018-08-31T17:39:07.58
IV.GUMA.HHN. ML:2.9 0.0054033165 0.2432 AML other m 2018-08-31T17:39:07.66
IV.NRCA.HHE. ML:2.5 0.0020869770000000003 0.1536 AML other m 2018-08-31T17:39:07.55
IV.NRCA.HNE. ML:2.5 0.0019845245 0.1536 AML other m 2018-08-31T17:39:07.55
IV.GUMA.HNN. ML:2.9 0.00522 0.26 AML other m 2018-08-31T17:39:07.56
IV.SNTG.HHE. ML:1.6 0.0002499944 0.128 AML other m 2018-08-31T17:39:07.70
IV.ASSB.HHN. ML:2.2 0.00078324005 0.1536 AML other m 2018-08-31T17:39:09.31
IV.ASSB.HHE. ML:2.0 0.00048667005000000004 0.128 AML other m 2018-08-31T17:39:09.41
IV.EL6.EHE. ML:2.4 0.0011033919500000001 0.1408 AML other m 2018-08-31T17:39:10.07
IV.FOSV.EHE. ML:1.9 0.0003255325 0.1536 AML other m 2018-08-31T17:39:11.16
IV.ATCC.EHN. ML:2.1 0.0005359534500000001 0.1408 AML other m 2018-08-31T17:39:11.15
IV.MF5.EHE. ML:2.3 0.00081194045 0.512 AML other m 2018-08-31T17:39:11.34
IV.EL6.EHN. ML:2.4 0.0012766495 0.4224 AML other m 2018-08-31T17:39:11.46
IV.ATCC.EHE. ML:2.3 0.00084382625 0.1152 AML other m 2018-08-31T17:39:11.52
IV.FOSV.EHN. ML:2.1 0.000516453 0.3968 AML other m 2018-08-31T17:39:11.49
IV.MTRA.EHE. ML:2.2 0.0005391417000000001 1.7056 AML other m 2018-08-31T17:39:13.96
IV.ARVD.HHE. ML:2.0 0.00028668244999999995 0.2048 AML other m 2018-08-31T17:39:14.87
IV.SSFR.HNN. ML:2.4 0.00071918515 0.1408 AML other m 2018-08-31T17:39:15.61
IV.SSFR.HHN. ML:2.4 0.0006916552000000001 0.1792 AML other m 2018-08-31T17:39:15.99
IV.MTRA.EHN. ML:2.1 0.000427131 1.6928 AML other m 2018-08-31T17:39:16.90
IV.ARVD.HHN. ML:1.9 0.00019427030000000002 0.1152 AML other m 2018-08-31T17:39:16.06
IV.MURB.HHE. ML:2.5 0.00088039885 0.2048 AML other m 2018-08-31T17:39:16.19
IV.MURB.HNE. ML:2.5 0.0008803814999999999 0.192 AML other m 2018-08-31T17:39:16.29
IV.MURB.HHN. ML:2.4 0.00069583445 0.1792 AML other m 2018-08-31T17:39:16.28
IV.MURB.HNN. ML:2.4 0.0007146823 0.3456 AML other m 2018-08-31T17:39:16.28
IV.SSFR.HHE. ML:2.3 0.0006405125 0.2048 AML other m 2018-08-31T17:39:16.88
IV.SSFR.HNE. ML:2.4 0.00065752515 0.1664 AML other m 2018-08-31T17:39:16.87
IV.ARRO.EHE. ML:2.3 0.0004263078 0.2176 AML other m 2018-08-31T17:39:18.11
IV.FRON.EHN. ML:2.1 0.0002865353 0.2816 AML other m 2018-08-31T17:39:18.51
IV.CAMP.HHE. ML:1.7 0.00009152943 0.2048 AML other m 2018-08-31T17:39:18.52
IV.MF5.EHN. ML:2.2 0.0007089699 0.704 AML other m 2018-08-31T17:39:18.78
IV.ARRO.EHN. ML:2.1 0.0003066429 0.2432 AML other m 2018-08-31T17:39:18.55
IV.RM33.EHN. ML:1.7 0.00011171295 0.3072 AML other m 2018-08-31T17:39:18.78
IV.FRON.EHE. ML:1.9 0.00016947000000000002 0.1792 AML other m 2018-08-31T17:39:18.79
IV.RM33.HNN. ML:1.8 0.000136564345 0.256 AML other m 2018-08-31T17:39:19.37
IV.RM33.EHE. ML:2.0 0.00018643055000000001 0.2176 AML other m 2018-08-31T17:39:19.42
IV.RM33.HNE. ML:2.0 0.000193241845 0.2304 AML other m 2018-08-31T17:39:19.42
IV.SMA1.EHN. ML:2.0 0.00022108325000000001 0.4736 AML other m 2018-08-31T17:39:19.73
IV.ATVO.HHE. ML:1.7 0.000099164935 0.3328 AML other m 2018-08-31T17:39:20.55
IV.TERO.HHE. ML:1.8 0.00012346489999999998 0.4224 AML other m 2018-08-31T17:39:20.78
IV.TERO.HNE. ML:1.8 0.00010614489999999999 0.3584 AML other m 2018-08-31T17:39:21.38
IV.CAMP.HHN. ML:1.6 0.00007164018499999999 0.3328 AML other m 2018-08-31T17:39:21.52
IV.PIEI.HHE. ML:1.9 0.00014908549999999998 0.0896 AML other m 2018-08-31T17:39:22.51
IV.GIGS.HHE. ML:1.2 0.000023233635 0.1664 AML other m 2018-08-31T17:39:23.07
IV.ATVO.HHN. ML:1.7 0.00009039397500000001 0.384 AML other m 2018-08-31T17:39:23.39
IV.PIEI.HHN. ML:1.7 0.00009124863499999999 0.192 AML other m 2018-08-31T17:39:23.54
IV.NARO.HHE. ML:1.7 0.000075122425 0.1792 AML other m 2018-08-31T17:39:23.55
IV.NARO.HHN. ML:1.6 0.000070401425 0.192 AML other m 2018-08-31T17:39:24.28
IV.ATPI.EHN. ML:1.6 0.00007279160500000001 0.3328 AML other m 2018-08-31T17:39:24.80
IV.TERO.HHN. ML:1.8 0.00012011816 0.2816 AML other m 2018-08-31T17:39:24.85
IV.ATPI.EHE. ML:1.6 0.000071032185 0.4992 AML other m 2018-08-31T17:39:25.68
IV.BADI.EHE. ML:1.7 0.00007088355499999998 0.2688 AML other m 2018-08-31T17:39:27.14
IV.CAFI.HHN. ML:1.6 0.000043332510000000006 0.3968 AML other m 2018-08-31T17:39:27.58
IV.BADI.EHN. ML:1.7 0.000067252605 0.2432 AML other m 2018-08-31T17:39:28.55
IV.CAFI.HHE. ML:1.6 0.000037687240000000003 0.3072 AML other m 2018-08-31T17:39:29.24
IV.GIGS.HHN. ML:1.2 0.00002372378 0.3712 AML other m 2018-08-31T17:39:30.72
IV.SACS.HHN. ML:1.6 0.000040555275 0.4608 AML other m 2018-08-31T17:39:31.38
IV.T0110.HHN. ML:2.0 0.00009046224999999999 0.32 AML other m 2018-08-31T17:39:34.28
IV.SACS.HNE. ML:1.6 0.00004355732 0.8704 AML other m 2018-08-31T17:39:35.87
IV.SACS.HHE. ML:1.5 0.00003615822 0.8224 AML other m 2018-08-31T17:39:40.44
IV.T0110.HHE. ML:2.1 0.00010037223000000001 1.5008 AML other m 2018-08-31T17:39:43.18
IV.VCEL.EHE. ML:2.4 0.00023707235 0.0896 AML other m 2018-08-31T17:39:46.09
IV.SACS.HNN. ML:1.7 0.000049235955 0.7424 AML other m 2018-08-31T17:39:51.12
IV.VCEL.EHN. ML:2.5 0.00029580664999999997 1.936 AML other m 2018-08-31T17:39:53.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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