Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-08-2021 and time 19:42:11 (Italy) in region 2 km E Costacciaro (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km E Costacciaro (PG), on

  • 19-08-2021 17:42:11 (UTC)
  • 19-08-2021 19:42:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3600, 12.7390 at 14 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
Costacciaro PG 2 1216 1216
Sigillo PG 3 2404 3620
Fossato di Vico PG 7 2840 6460
Scheggia e Pascelupo PG 8 1393 7853
Gubbio PG 13 32216 40069
Sassoferrato AN 13 7285 47354
Fabriano AN 14 31480 78834
Gualdo Tadino PG 15 15208 94042
Serra Sant'Abbondio PU 15 1027 95069
Cantiano PU 16 2245 97314
Frontone PU 17 1300 98614
Genga AN 18 1797 100411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
58 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
69 Km W of Ancona (100861 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
79 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
95 Km SE of Cesena (96758 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 1.5 2021-08-19
17:42:11		 43.3598 12.7392 14 2021-12-29
11:12:36		 Bollettino Sismico Italiano INGV 96428371
Reviewed
Rev100 		ML 1.5 2021-08-19
17:42:11		 43.3617 12.7478 14 2021-08-19
17:51:31		 Sala Sismica INGV-Roma 94384341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-19 17:42:11 ± 0.04
Latitude 43.3598 ± 0.0018
Longitude 12.7392 ± 0.0025
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96428371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
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) 36
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 51
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) 0.59265
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 96428371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-11 09:34:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 94384341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-19 17:51:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2021-08-19T17:42:30.81 0.3 undecidable manual S 144 61.6938 93 0.72 56
IV.CSP1.EHZ. 2021-08-19T17:42:26.86 0.3 undecidable manual S 128 48.0186 95 0.41 65
IV.CESI.HNN. 2021-08-19T17:42:24.97 0.3 undecidable manual S 161 41.625 96 0.22 68
IV.CING.HHZ. 2021-08-19T17:42:23.91 0.3 undecidable manual S 87 36.8298 97 0.42 66
IV.ASSB.HHZ. 2021-08-19T17:42:23.14 0.3 undecidable manual S 190 35.8419 97 -0.07 71
IV.MML1.EHZ. 2021-08-19T17:42:22.52 0.3 undecidable manual S 145 33.1446 98 0 72
IV.MC2.EHZ. 2021-08-19T17:42:22.08 0.3 undecidable manual P 144 61.6938 93 -0.01 69
IV.NRCA.HHZ. 2021-08-19T17:42:22.48 0.3 undecidable manual P 152 65.7897 93 -0.25 65
IV.SEF1.HNZ. 2021-08-19T17:42:21.22 0.3 undecidable manual S 144 29.0487 100 -0.2 70
IV.ATPI.EHZ. 2021-08-19T17:42:21.82 0.6 undecidable manual S 290 28.9488 100 0.41 45
IV.MPAG.EHZ. 2021-08-19T17:42:21.76 0.3 undecidable manual S 3 29.9478 99 0.1 71
IV.ATPC.HNZ. 2021-08-19T17:42:21.13 0.3 undecidable manual S 301 26.3514 102 0.4 68
IV.EL6.EHZ. 2021-08-19T17:42:21.68 0.1 undecidable manual S 96 29.4483 100 0.15 94
IV.ATVO.HHZ. 2021-08-19T17:42:20.96 0.3 undecidable manual S 275 26.9508 101 0.09 73
IV.PARC.HHZ. 2021-08-19T17:42:20.81 0.3 undecidable manual P 309 51.4152 94 0.29 66
IV.PIEI.HHZ. 2021-08-19T17:42:20.40 0.1 undecidable manual S 320 25.5522 102 -0.1 96
IV.ARVD.HHZ. 2021-08-19T17:42:19.64 0.1 undecidable manual S 47 22.3554 106 -0.05 98
IV.PE3.EHZ. 2021-08-19T17:42:19.57 3.0 undecidable manual P 0.35 0
IV.MMUR.HNZ. 2021-08-19T17:42:19.84 0.3 undecidable manual S 66 22.755 105 0.06 73
IV.MURB.HHZ. 2021-08-19T17:42:19.49 0.6 undecidable manual S 238 20.3685 108 0.31 47
IV.ATBU.EHZ. 2021-08-19T17:42:19.55 0.1 undecidable manual S 310 20.0688 109 0.46 91
IV.PF6.EHN. 2021-08-19T17:42:19.36 0.3 undecidable manual P 124 44.2224 95 -0.05 71
IV.ATCC.EHZ. 2021-08-19T17:42:19.50 0.3 undecidable manual S 202 20.9679 107 0.17 72
IV.CSP1.EHZ. 2021-08-19T17:42:19.83 0.1 undecidable manual P 128 48.0186 95 -0.15 92
IV.FRON.EHZ. 2021-08-19T17:42:18.34 0.3 undecidable manual S 356 17.5713 113 -0.14 72
IV.CING.HHZ. 2021-08-19T17:42:18.25 0.3 undecidable manual P 87 36.8298 97 -0.02 72
IV.CESI.HNN. 2021-08-19T17:42:18.59 0.3 undecidable manual P 161 41.625 96 -0.41 66
IV.COR1.EHZ. 2021-08-19T17:42:18.94 3.0 undecidable manual P 0.65 0
IV.NARO.HHZ. 2021-08-19T17:42:17.06 0.1 undecidable manual P 335 30.6471 99 -0.27 92
IV.ASSB.HHZ. 2021-08-19T17:42:17.81 0.3 undecidable manual P 190 35.8419 97 -0.31 68
IV.EL6.EHZ. 2021-08-19T17:42:17.02 0.1 negative manual P 96 29.4483 100 -0.13 95
IV.SEF1.HNZ. 2021-08-19T17:42:17.07 0.3 undecidable manual P 144 29.0487 100 -0.01 73
IV.ATPI.EHZ. 2021-08-19T17:42:17.13 0.6 undecidable manual P 290 28.9488 100 0.06 48
IV.MPAG.EHZ. 2021-08-19T17:42:17.12 0.1 positive manual P 3 29.9478 99 -0.1 96
IV.ATFO.HHZ. 2021-08-19T17:42:17.60 0.6 undecidable manual S 273 13.5753 124 0.07 50
IV.MML1.EHZ. 2021-08-19T17:42:17.37 0.1 positive manual P 145 33.1446 98 -0.34 90
IV.FOSV.EHZ. 2021-08-19T17:42:16.19 0.3 undecidable manual S 166 7.3815 145 -0.17 73
IV.ATPC.HNZ. 2021-08-19T17:42:16.84 0.3 undecidable manual P 301 26.3514 102 0.16 71
IV.ATSC.EHZ. 2021-08-19T17:42:16.50 0.3 undecidable manual S 329 8.2806 142 0 75
IV.ATVO.HHZ. 2021-08-19T17:42:16.66 0.1 undecidable manual P 275 26.9508 101 -0.1 96
IV.SSFR.HNZ. 2021-08-19T17:42:16.79 0.1 undecidable manual S 22 9.1797 138 0.14 99
IV.ATLO.EHZ. 2021-08-19T17:42:16.69 0.3 undecidable manual P 260 27.2505 101 -0.12 71
IV.PIEI.HHZ. 2021-08-19T17:42:16.29 0.1 positive manual P 320 25.5522 102 -0.26 93
IV.ATCC.EHZ. 2021-08-19T17:42:15.82 0.1 positive manual P 202 20.9679 107 -0.05 98
IV.ARVD.HHZ. 2021-08-19T17:42:15.96 0.1 negative manual P 47 22.3554 106 -0.12 97
IV.FRON.EHZ. 2021-08-19T17:42:15.20 0.1 negative manual P 356 17.5713 113 -0.18 96
IV.MMUR.HNZ. 2021-08-19T17:42:15.98 0.6 undecidable manual P 66 22.755 105 -0.15 48
IV.MURB.HHZ. 2021-08-19T17:42:15.82 0.3 positive manual P 238 20.3685 108 0.03 74
IV.ATBU.EHZ. 2021-08-19T17:42:15.83 0.1 positive manual P 310 20.0688 109 0.09 98
IV.ATFO.HHZ. 2021-08-19T17:42:14.86 0.3 undecidable manual P 273 13.5753 124 0.02 75
IV.FOSV.EHZ. 2021-08-19T17:42:14.06 0.1 positive manual P 166 7.3815 145 -0.1 99
IV.ATSC.EHZ. 2021-08-19T17:42:14.21 0.1 negative manual P 329 8.2806 142 -0.03 100
IV.SSFR.HNZ. 2021-08-19T17:42:14.28 0.1 negative manual P 22 9.1797 138 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.7 0.00064419275 0.1152 AML other m 2021-08-19T17:42:16.27
IV.FOSV.EHE. ML:1.8 0.000648986 0.1024 AML other m 2021-08-19T17:42:16.27
IV.SSFR.HNE. ML:1.8 0.0006339756 0.064 AML other m 2021-08-19T17:42:16.94
IV.SSFR.HHE. ML:1.7 0.00048797235 0.1792 AML other m 2021-08-19T17:42:17.09
IV.ATFO.HHN. ML:1.2 0.0001291011 0.2944 AML other m 2021-08-19T17:42:17.64
IV.SSFR.HHN. ML:1.9 0.0009415 0.16 AML other m 2021-08-19T17:42:17.56
IV.SSFR.HNN. ML:1.8 0.0007153489500000001 0.0512 AML other m 2021-08-19T17:42:18.11
IV.ATFO.HHE. ML:1.3 0.00017275505 0.1792 AML other m 2021-08-19T17:42:18.64
IV.FRON.EHE. ML:1.8 0.00044295945 0.0512 AML other m 2021-08-19T17:42:18.70
IV.FRON.EHN. ML:1.7 0.00037813980000000005 0.1024 AML other m 2021-08-19T17:42:19.13
IV.ARVD.HHN. ML:1.3 0.00011325 0.12 AML other m 2021-08-19T17:42:19.73
IV.MURB.HHN. ML:2.3 0.0012309670000000001 0.2816 AML other m 2021-08-19T17:42:19.84
IV.ARVD.HHE. ML:1.5 0.0001859043 0.1408 AML other m 2021-08-19T17:42:19.78
IV.MURB.HNN. ML:2.1 0.0009285 0.26 AML other m 2021-08-19T17:42:19.85
IV.ATCC.EHN. ML:1.6 0.00027 1.48 AML other m 2021-08-19T17:42:19.12
IV.ATCC.EHE. ML:1.7 0.00028849999999999997 0.12 AML other m 2021-08-19T17:42:19.95
IV.MURB.HHE. ML:2.3 0.0012637165000000002 1.7056 AML other m 2021-08-19T17:42:19.11
IV.MURB.HNE. ML:2.2 0.0011899999999999999 1.74 AML other m 2021-08-19T17:42:19.11
IV.PIEI.HHN. ML:1.5 0.00016096595 0.1536 AML other m 2021-08-19T17:42:20.60
IV.PIEI.HHE. ML:1.6 0.00023299999999999997 0.1 AML other m 2021-08-19T17:42:20.95
IV.ATVO.HHE. ML:1.1 0.00006434999999999999 0.14 AML other m 2021-08-19T17:42:21.48
IV.ATVO.HHN. ML:1.0 0.000057249999999999996 0.2 AML other m 2021-08-19T17:42:21.58
IV.EL6.EHE. ML:1.8 0.00029200000000000005 0.22 AML other m 2021-08-19T17:42:21.86
IV.MPAG.EHE. ML:1.6 0.000201164825 0.128 AML other m 2021-08-19T17:42:21.98
IV.ATPI.EHN. ML:0.9 0.0000413 0.58 AML other m 2021-08-19T17:42:21.92
IV.MPAG.EHN. ML:1.5 0.00013446391 0.1408 AML other m 2021-08-19T17:42:21.96
IV.EL6.EHN. ML:1.7 0.00024129974999999998 0.2688 AML other m 2021-08-19T17:42:22.47
IV.NARO.HHE. ML:1.3 0.000089 0.18 AML other m 2021-08-19T17:42:22.54
IV.MML1.EHN. ML:1.6 0.0001455 0.2 AML other m 2021-08-19T17:42:22.83
IV.MML1.EHE. ML:1.6 0.00014900000000000002 0.28 AML other m 2021-08-19T17:42:22.82
IV.NARO.HHN. ML:1.2 0.00007189999999999999 0.46 AML other m 2021-08-19T17:42:23.26
IV.ASSB.HHE. ML:1.4 0.00010515 0.82 AML other m 2021-08-19T17:42:23.05
IV.CING.HHN. ML:1.4 0.00008465 0.7 AML other m 2021-08-19T17:42:24.43
IV.ATPI.EHE. ML:0.7 0.000027000000000000002 1.02 AML other m 2021-08-19T17:42:25.07
IV.ASSB.HHN. ML:1.4 0.00010155 0.42 AML other m 2021-08-19T17:42:25.24
IV.CING.HHE. ML:1.2 0.000053450000000000005 1.06 AML other m 2021-08-19T17:42:25.38
IV.FDMO.HHN. ML:1.5 0.00009255 1.32 AML other m 2021-08-19T17:42:26.01
IV.FDMO.HHE. ML:1.4 0.00007035 0.14 AML other m 2021-08-19T17:42:27.01
IV.CSP1.EHN. ML:1.8 0.00015250000000000002 0.48 AML other m 2021-08-19T17:42:27.25
IV.CSP1.EHE. ML:1.8 0.000176 0.26 AML other m 2021-08-19T17:42:28.22
IV.PARC.HHE. ML:0.9 0.00002065 0.7 AML other m 2021-08-19T17:42:30.71
IV.PARC.HHN. ML:0.9 0.0000216 1.58 AML other m 2021-08-19T17:42:32.82
IV.NRCA.HHN. ML:1.6 0.00006254999999999999 0.8 AML other m 2021-08-19T17:42:33.78
IV.NRCA.HHE. ML:1.5 0.00005835 0.54 AML other m 2021-08-19T17:42:33.52
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