Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 19-08-2018 and time 00:22:27 (Italy) in region 6 km SE Pietralunga (PG)

A magnitude ML 2.0 earthquake occured in region: 6 km SE Pietralunga (PG), on

  • 18-08-2018 22:22:27 (UTC)
  • 19-08-2018 00:22:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3950, 12.4640 at 8 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
Pietralunga PG 6 2111 2111
Gubbio PG 10 32216 34327
Montone PG 12 1680 36007
Umbertide PG 15 16681 52688
Cantiano PU 16 2245 54933
Scheggia e Pascelupo PG 17 1393 56326
Apecchio PU 19 1882 58208
Città di Castello PG 20 39913 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
53 Km NW of Foligno (57155 inhabitants)
67 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
84 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
94 Km N of Terni (111501 inhabitants)
98 Km SE of Forlì (117913 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 2.0 2018-08-18
22:22:27		 43.3953 12.4638 8 2019-04-24
14:51:19		 Bollettino Sismico Italiano INGV 67277141
Reviewed
Rev100 		ML 2.0 2018-08-18
22:22:27		 43.3958 12.4657 7 2018-08-18
22:38:20		 Sala Sismica INGV-Roma 59923561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-18 22:22:27 ± 0.04
Latitude 43.3953 ± 0.0027
Longitude 12.4638 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67277141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 267
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
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 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83187
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 49
Type of magnitude ML
Reference to an origin 59923561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-18 22:38:20

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 47
Type of magnitude ML
Reference to an origin 67277141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-05 14:26:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2018-08-18T22:23:39.99 3.0 undecidable manual Sn 1.87 0
IV.VVLD.HHZ. 2018-08-18T22:23:19.06 3.0 undecidable manual Sn -1.73 0
GU.GSCL.HHZ. 2018-08-18T22:23:00.73 3.0 undecidable manual Pg 4.76 0
OB.GAVE.EHZ. 2018-08-18T22:22:53.38 3.0 undecidable manual S -1.22 0
IV.CSP1.EHZ. 2018-08-18T22:22:49.20 0.6 undecidable manual S 119 68.6757 50 0.52 40
IV.FDMO.HHZ. 2018-08-18T22:22:48.21 0.6 undecidable manual S 128 64.1913 50 0.72 37
IV.CING.HHZ. 2018-08-18T22:22:46.58 0.6 undecidable manual S 92 58.9965 50 0.48 41
IV.LATE.HHZ. 2018-08-18T22:22:46.55 3.0 negative manual P 1.27 0
IV.CESI.HHZ. 2018-08-18T22:22:45.93 0.6 undecidable manual S 140 56.0994 50 0.61 40
IV.EL6.EHZ. 2018-08-18T22:22:44.69 0.3 undecidable manual S 98 51.9036 50 0.47 63
IV.RUFI.EHZ. 2018-08-18T22:22:43.38 0.1 undecidable manual P 303 91.0422 50 0.37 80
IV.MF5.EHZ. 2018-08-18T22:22:43.31 0.1 undecidable manual P 119 92.3409 50 0.09 84
IV.SNTG.HHZ. 2018-08-18T22:22:41.18 0.6 undecidable manual S 112 41.5251 50 -0.24 45
IV.ARVD.HHZ. 2018-08-18T22:22:40.96 0.6 undecidable manual S 73 40.1265 50 -0.09 47
IV.CAFI.HHZ. 2018-08-18T22:22:40.76 0.6 undecidable manual S 260 40.8258 50 -0.48 43
IV.SACS.HHZ. 2018-08-18T22:22:40.71 0.1 undecidable manual P 217 75.369 50 0.1 87
IV.SSP9.EHZ. 2018-08-18T22:22:39.05 0.6 undecidable manual S 307 33.3444 103 0.07 47
IV.CSP1.EHZ. 2018-08-18T22:22:39.43 0.1 undecidable manual P 119 68.6757 50 -0.14 87
IV.PE3.EHZ. 2018-08-18T22:22:39.32 0.6 undecidable manual S 4 33.4443 103 0.29 45
IV.FDMO.HHZ. 2018-08-18T22:22:38.48 0.1 undecidable manual P 128 64.1913 50 -0.41 83
IV.CING.HHZ. 2018-08-18T22:22:37.89 0.1 undecidable manual P 92 58.9965 50 -0.19 88
IV.CESI.HHZ. 2018-08-18T22:22:37.33 0.1 undecidable manual P 140 56.0994 50 -0.3 87
IV.ATCC.EHZ. 2018-08-18T22:22:37.65 0.6 undecidable manual S 149 27.3504 106 0.68 41
IV.COR1.EHZ. 2018-08-18T22:22:37.35 0.3 undecidable manual P 59 50.5161 50 0.58 61
IV.SSFR.HHZ. 2018-08-18T22:22:36.46 0.6 undecidable manual S 80 26.0517 106 -0.08 48
IV.EL6.EHZ. 2018-08-18T22:22:36.63 0.1 undecidable manual P 98 51.9036 50 -0.36 86
IV.NARO.HHN. 2018-08-18T22:22:36.08 0.6 undecidable manual S 21 25.6521 107 -0.34 45
IV.FOSV.EHZ. 2018-08-18T22:22:36.79 0.6 undecidable manual S 115 26.4513 106 0.11 47
IV.CPGN.EHZ. 2018-08-18T22:22:36.48 0.3 undecidable manual P 346 46.4202 50 0.33 66
IV.FRON.EHZ. 2018-08-18T22:22:36.14 0.6 undecidable manual S 57 25.0527 107 -0.08 48
IV.SNTG.HHZ. 2018-08-18T22:22:35.10 0.1 undecidable manual P 112 41.5251 50 -0.28 89
IV.BADI.EHZ. 2018-08-18T22:22:35.60 0.6 undecidable manual S 306 21.7671 109 0.47 44
IV.ATTE.HHZ. 2018-08-18T22:22:35.00 0.6 undecidable manual S 202 23.6541 108 -0.75 40
IV.ATMI.HHZ. 2018-08-18T22:22:34.45 0.6 undecidable manual S 247 17.1717 114 0.8 39
IV.ATSC.EHE. 2018-08-18T22:22:34.35 0.6 undecidable manual S 80 18.1707 113 0.38 46
IV.ATVA.EHE. 2018-08-18T22:22:34.69 0.6 undecidable manual S 228 19.3695 112 0.34 46
IV.ARVD.HHZ. 2018-08-18T22:22:34.73 0.1 undecidable manual P 73 40.1265 50 -0.44 86
IV.CAFI.HHZ. 2018-08-18T22:22:34.96 0.1 undecidable manual P 260 40.8258 50 -0.31 89
IV.PE3.EHZ. 2018-08-18T22:22:33.88 0.1 undecidable manual P 4 33.4443 103 -0.12 94
IV.SSP9.EHZ. 2018-08-18T22:22:33.88 0.1 undecidable manual P 307 33.3444 103 -0.09 94
IV.PIEI.HNN. 2018-08-18T22:22:33.94 0.6 undecidable manual S 20 16.5723 115 0.48 45
IV.MURB.HHZ. 2018-08-18T22:22:33.57 0.6 undecidable manual S 162 15.4734 116 0.46 45
IV.FRON.EHZ. 2018-08-18T22:22:32.17 0.1 undecidable manual P 57 25.0527 107 -0.2 93
IV.ATBU.EHZ. 2018-08-18T22:22:32.16 0.6 undecidable manual S 37 11.1777 124 0.33 47
IV.NARO.HHN. 2018-08-18T22:22:32.20 0.1 undecidable manual P 21 25.6521 107 -0.29 92
IV.SSFR.HHZ. 2018-08-18T22:22:32.35 0.1 negative manual P 80 26.0517 106 -0.21 93
IV.FOSV.EHZ. 2018-08-18T22:22:32.41 0.1 undecidable manual P 115 26.4513 106 -0.23 93
IV.ATCC.EHZ. 2018-08-18T22:22:32.84 0.1 undecidable manual P 149 27.3504 106 0.04 96
IV.ATPC.HHE. 2018-08-18T22:22:31.53 0.3 undecidable manual S 357 9.4794 129 0.18 72
IV.ATMI.HHZ. 2018-08-18T22:22:31.05 0.1 undecidable manual P 247 17.1717 114 0.15 96
IV.ATFO.HHZ. 2018-08-18T22:22:31.05 0.1 undecidable manual S 110 9.2796 130 -0.24 95
IV.ATSC.EHE. 2018-08-18T22:22:31.10 0.1 undecidable manual P 80 18.1707 113 0.02 98
IV.BADI.EHZ. 2018-08-18T22:22:31.77 0.1 positive manual P 306 21.7671 109 0.03 97
IV.ATLO.EHE. 2018-08-18T22:22:31.59 0.3 undecidable manual S 207 9.9789 127 0.1 73
IV.ATVA.EHE. 2018-08-18T22:22:31.21 0.1 undecidable manual P 228 19.3695 112 -0.09 97
IV.ATTE.HHZ. 2018-08-18T22:22:31.95 0.1 positive manual P 202 23.6541 108 -0.15 95
IV.PIEI.HNN. 2018-08-18T22:22:30.81 0.1 undecidable manual P 20 16.5723 115 0.03 98
IV.MURB.HHZ. 2018-08-18T22:22:30.74 0.1 positive manual P 162 15.4734 116 0.16 96
IV.ATPI.EHZ. 2018-08-18T22:22:30.66 0.6 undecidable manual S 321 7.881 134 -0.28 47
IV.ATBU.EHZ. 2018-08-18T22:22:30.00 0.1 undecidable manual P 37 11.1777 124 0.16 97
IV.ATLO.EHE. 2018-08-18T22:22:29.77 0.1 positive manual P 207 9.9789 127 0.13 97
IV.ATPC.HHE. 2018-08-18T22:22:29.65 0.1 undecidable manual P 357 9.4794 129 0.09 98
IV.ATVO.HHN. 2018-08-18T22:22:29.96 0.3 undecidable manual S 252 4.8951 148 -0.3 71
IV.ATPI.EHZ. 2018-08-18T22:22:29.24 0.1 undecidable manual P 321 7.881 134 -0.08 99
IV.ATFO.HHZ. 2018-08-18T22:22:29.53 0.1 undecidable manual P 110 9.2796 130 0 100
IV.ATVO.HHN. 2018-08-18T22:22:28.77 0.1 positive manual P 252 4.8951 148 -0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:2.5 0.004775000000000001 0.3 AML other m 2018-08-18T22:22:31.78
IV.ATFO.HHE. ML:2.6 0.006355 0.3 AML other m 2018-08-18T22:22:31.69
IV.ATPI.EHE. ML:2.3 0.0036765385 0.3968 AML other m 2018-08-18T22:22:32.27
IV.MURB.HHE. ML:2.7 0.00562 0.26 AML other m 2018-08-18T22:22:34.17
IV.MURB.HNE. ML:2.7 0.00508 0.24 AML other m 2018-08-18T22:22:34.19
IV.MURB.HHN. ML:2.7 0.004872526 0.2048 AML other m 2018-08-18T22:22:34.64
IV.MURB.HNN. ML:2.7 0.004755 0.2 AML other m 2018-08-18T22:22:34.54
IV.ATMI.HHE. ML:2.1 0.0010580000000000001 0.5 AML other m 2018-08-18T22:22:34.37
IV.BADI.EHN. ML:2.6 0.003005 0.4 AML other m 2018-08-18T22:22:36.08
IV.BADI.EHE. ML:2.6 0.0025788925000000003 0.1792 AML other m 2018-08-18T22:22:36.45
IV.FRON.EHN. ML:2.3 0.001115 0.28 AML other m 2018-08-18T22:22:36.56
IV.SSFR.HHN. ML:2.6 0.0020549999999999995 0.16 AML other m 2018-08-18T22:22:37.03
IV.SSFR.HHE. ML:2.6 0.0024249999999999996 0.2 AML other m 2018-08-18T22:22:37.38
IV.SSFR.HNE. ML:2.6 0.00256 0.18 AML other m 2018-08-18T22:22:37.38
IV.SSFR.HNN. ML:2.5 0.001845 1.1 AML other m 2018-08-18T22:22:37.02
IV.ATCC.EHN. ML:2.5 0.001795 1.76 AML other m 2018-08-18T22:22:37.88
IV.ATTE.HHE. ML:1.8 0.0003675 0.46 AML other m 2018-08-18T22:22:38.24
IV.ATTE.HHN. ML:1.8 0.0004625 0.34 AML other m 2018-08-18T22:22:38.28
IV.FRON.EHE. ML:1.8 0.00040800000000000005 1.06 AML other m 2018-08-18T22:22:38.39
IV.ATCC.EHE. ML:2.4 0.00127 0.28 AML other m 2018-08-18T22:22:38.49
IV.FOSV.EHE. ML:1.7 0.00030100000000000005 1.2 AML other m 2018-08-18T22:22:39.21
IV.FOSV.EHN. ML:1.8 0.00032450000000000003 0.9 AML other m 2018-08-18T22:22:39.35
IV.ATMI.HHN. ML:2.1 0.0010862925 0.3712 AML other m 2018-08-18T22:22:40.61
IV.ARVD.HHE. ML:1.8 0.00021150000000000002 0.58 AML other m 2018-08-18T22:22:41.07
IV.SSP9.EHE. ML:1.6 0.000184 1.02 AML other m 2018-08-18T22:22:41.07
IV.PE3.EHN. ML:2.5 0.0012749999999999999 0.32 AML other m 2018-08-18T22:22:41.38
IV.CAFI.HHE. ML:1.7 0.0001685 0.24 AML other m 2018-08-18T22:22:41.32
IV.SNTG.HHE. ML:1.7 0.0001735 0.24 AML other m 2018-08-18T22:22:41.57
IV.CAFI.HNN. ML:1.5 0.00011568561 0.2944 AML other m 2018-08-18T22:22:41.34
IV.ARVD.HHN. ML:1.7 0.000184 1.02 AML other m 2018-08-18T22:22:42.09
IV.CAFI.HHN. ML:1.6 0.0001425 0.52 AML other m 2018-08-18T22:22:42.44
IV.SNTG.HNN. ML:2.1 0.00039300935000000006 0.2432 AML other m 2018-08-18T22:22:42.73
IV.SNTG.HHN. ML:2.1 0.000412 0.24 AML other m 2018-08-18T22:22:42.62
IV.PE3.EHE. ML:2.4 0.001245 0.52 AML other m 2018-08-18T22:22:44.05
IV.SSP9.EHN. ML:1.7 0.00020218495 0.6144 AML other m 2018-08-18T22:22:45.32
IV.EL6.EHN. ML:2.0 0.00026600965 0.1792 AML other m 2018-08-18T22:22:45.26
IV.EL6.EHE. ML:2.1 0.00035099999999999997 0.44 AML other m 2018-08-18T22:22:47.01
IV.CESI.HHN. ML:1.7 0.000127 1.72 AML other m 2018-08-18T22:22:47.94
IV.CING.HHN. ML:1.6 0.0000925 0.74 AML other m 2018-08-18T22:22:50.31
IV.FDMO.HHE. ML:1.6 0.00006905 0.22 AML other m 2018-08-18T22:22:50.64
IV.CSP1.EHE. ML:1.8 0.000105406335 0.2176 AML other m 2018-08-18T22:22:50.85
IV.FDMO.HHN. ML:1.6 0.00006945 1.12 AML other m 2018-08-18T22:22:51.08
IV.CSP1.EHN. ML:1.9 0.00012850765 0.4736 AML other m 2018-08-18T22:22:51.13
IV.CING.HHE. ML:1.6 0.000081828035 0.256 AML other m 2018-08-18T22:22:51.46
IV.CESI.HHE. ML:1.6 0.00010105139499999999 0.6784 AML other m 2018-08-18T22:22:52.84
IV.SACS.HHE. ML:1.8 0.00010400000000000001 0.76 AML other m 2018-08-18T22:22:55.88
IV.SACS.HHN. ML:2.0 0.0001575 0.62 AML other m 2018-08-18T22:22:55.52
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
Waveforms Seismic signals in miniseed + resp format Download