Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 24-06-2021 and time 18:27:43 (Italy) in region 5 km E Preci (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km E Preci (PG), on

  • 24-06-2021 16:27:43 (UTC)
  • 24-06-2021 18:27:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8670, 13.1010 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
Preci PG 5 724 724
Castelsantangelo sul Nera MC 5 281 1005
Visso MC 7 1107 2112
Norcia PG 8 4957 7069
Ussita MC 9 444 7513
Sellano PG 14 1079 8592
Cerreto di Spoleto PG 16 1075 9667
Monte Cavallo MC 16 145 9812
Bolognola MC 18 142 9954
Cascia PG 18 3217 13171
Montemonaco AP 19 604 13775
Fiordimonte MC 19 202 13977
Montegallo AP 19 523 14500
Arquata del Tronto AP 19 1178 15678
Acquacanina MC 19 121 15799
Fiastra MC 19 559 16358

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km NE of Viterbo (67173 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 1.6 2021-06-24
16:27:43		 42.867 13.1013 9 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95831781
Reviewed
Rev100 		ML 1.6 2021-06-24
16:27:43		 42.8717 13.1008 10 2021-06-24
16:35:01		 Sala Sismica INGV-Roma 91830631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-24 16:27:43 ± 0.05
Latitude 42.8670 ± 0.0027
Longitude 13.1013 ± 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 95831781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
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) 38
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
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) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.80849
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 95831781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-24 12:43:07

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 91830631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-24 16:35:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-06-24T16:27:59.80 0.3 undecidable manual S 313 51.4152 50 0.12 70
IV.TERO.HHZ. 2021-06-24T16:27:58.73 0.1 undecidable manual S 123 49.1175 50 -0.32 89
IV.MOMA.HHZ. 2021-06-24T16:27:58.50 0.3 undecidable manual S 261 43.8228 50 0.87 56
IV.T0110.HHZ. 2021-06-24T16:27:58.59 0.6 undecidable manual P 142 89.7435 50 0.06 44
IV.RM33.EHZ. 2021-06-24T16:27:57.10 0.3 undecidable manual S 167 40.7259 50 0.27 69
IV.CAMP.HHZ. 2021-06-24T16:27:57.53 0.3 undecidable manual S 146 44.5221 50 -0.29 68
IV.ASSB.HHZ. 2021-06-24T16:27:56.40 0.3 undecidable manual S 299 40.9257 50 -0.46 66
IV.SAP2.EHZ. 2021-06-24T16:27:55.86 0.1 undecidable manual S 43 35.1426 50 0.54 87
IV.SMA1.EHZ. 2021-06-24T16:27:54.20 0.3 undecidable manual S 144 32.4453 50 -0.4 68
IV.MF5.EHZ. 2021-06-24T16:27:54.60 0.3 undecidable manual S 65 32.0457 50 0.1 72
IV.GUMA.HHZ. 2021-06-24T16:27:53.60 0.1 undecidable manual S 41 28.8489 107 0.1 97
IV.CESX.HHZ. 2021-06-24T16:27:53.00 0.6 undecidable manual P 236 50.8158 50 0.46 43
IV.T1299.HNZ. 2021-06-24T16:27:53.99 0.1 undecidable manual S 150 29.748 107 0.19 95
IV.MML1.EHZ. 2021-06-24T16:27:53.10 0.1 undecidable manual S 339 29.2485 107 -0.55 87
IV.LNSS.HHZ. 2021-06-24T16:27:53.60 0.3 undecidable manual S 190 29.748 107 -0.19 71
IV.CSP1.EHZ. 2021-06-24T16:27:52.30 0.1 undecidable manual S 19 26.3514 109 -0.36 92
IV.MNTT.EHZ. 2021-06-24T16:27:52.37 0.3 undecidable manual P 62 45.621 50 0.64 62
IV.MTRA.EHZ. 2021-06-24T16:27:52.70 0.1 undecidable manual S 117 26.9508 108 -0.18 96
IV.TERO.HHZ. 2021-06-24T16:27:52.03 0.1 undecidable manual P 123 49.1175 50 -0.25 91
IV.EL6.EHZ. 2021-06-24T16:27:52.49 0.3 undecidable manual P 0 51.3153 50 -0.12 70
IV.GAVE.EHZ. 2021-06-24T16:27:52.40 0.1 undecidable manual S 221 25.6521 109 -0.07 98
IV.ATCC.EHZ. 2021-06-24T16:27:52.38 0.3 undecidable manual P 313 51.4152 50 -0.26 68
IV.CAMP.HHZ. 2021-06-24T16:27:51.22 0.1 undecidable manual P 146 44.5221 50 -0.35 90
IV.CESI.HHZ. 2021-06-24T16:27:51.20 0.6 undecidable manual S 314 22.1556 112 -0.1 49
IV.MOMA.HHZ. 2021-06-24T16:27:51.55 0.3 undecidable manual P 261 43.8228 50 0.09 71
IV.RM33.EHZ. 2021-06-24T16:27:50.82 0.3 undecidable manual P 167 40.7259 50 -0.17 70
IV.FDMO.HHZ. 2021-06-24T16:27:50.00 0.6 undecidable manual S 357 18.87 115 -0.26 48
IV.ASSB.HHZ. 2021-06-24T16:27:50.63 0.3 undecidable manual P 299 40.9257 50 -0.38 67
IV.MMO1.EHZ. 2021-06-24T16:27:50.10 0.6 undecidable manual S 79 18.6702 116 -0.1 49
IV.SAP2.EHZ. 2021-06-24T16:27:50.75 0.1 undecidable manual P 43 35.1426 50 0.63 84
IV.MF5.EHZ. 2021-06-24T16:27:49.77 0.1 positive manual P 65 32.0457 50 0.12 96
IV.GUMA.HHZ. 2021-06-24T16:27:49.08 0.3 undecidable manual P 41 28.8489 107 0.01 74
IV.SMA1.EHZ. 2021-06-24T16:27:49.49 0.3 undecidable manual P 144 32.4453 50 -0.22 71
IT.MTCL.HGZ. 2021-06-24T16:27:49.30 0.6 undecidable manual S 330 16.3725 119 -0.18 49
IV.T1299.HNZ. 2021-06-24T16:27:49.28 0.3 undecidable manual P 150 29.748 107 0.04 74
IV.LNSS.HHZ. 2021-06-24T16:27:49.29 0.3 undecidable manual P 190 29.748 107 0.05 73
IV.GAVE.EHZ. 2021-06-24T16:27:48.57 0.3 undecidable manual P 221 25.6521 109 0.1 73
IV.FEMA.HNZ. 2021-06-24T16:27:48.20 0.6 undecidable manual S 338 11.3775 128 0.16 49
IV.CSP1.EHZ. 2021-06-24T16:27:48.53 0.3 undecidable manual P 19 26.3514 109 -0.06 74
IV.MML1.EHZ. 2021-06-24T16:27:48.96 0.3 undecidable manual P 339 29.2485 107 -0.2 71
IV.MTRA.EHZ. 2021-06-24T16:27:48.52 0.1 positive manual P 117 26.9508 108 -0.19 96
IV.FDMO.HHZ. 2021-06-24T16:27:47.25 0.1 undecidable manual P 357 18.87 115 0.05 100
IV.CESI.HHZ. 2021-06-24T16:27:47.81 0.1 positive manual P 314 22.1556 112 0.01 100
IV.MMO1.EHZ. 2021-06-24T16:27:47.26 0.1 positive manual P 79 18.6702 116 0.09 99
IV.FEMA.HNZ. 2021-06-24T16:27:46.25 0.1 undecidable manual P 338 11.3775 128 0.33 95
IV.NRCA.HNZ. 2021-06-24T16:27:46.70 0.6 undecidable manual S 164 3.8961 157 0.3 49
IT.MTCL.HGZ. 2021-06-24T16:27:46.86 0.3 undecidable manual P 330 16.3725 119 0.11 74
IV.NRCA.HNZ. 2021-06-24T16:27:45.47 0.1 negative manual P 164 3.8961 157 0.5 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.4 0.0053173165000000005 1.8336 AML other m 2021-06-24T16:27:46.94
IV.NRCA.HNE. ML:2.4 0.0052 1.86 AML other m 2021-06-24T16:27:46.96
IV.NRCA.HNN. ML:2.4 0.0053628404999999995 0.0896 AML other m 2021-06-24T16:27:46.94
IV.NRCA.HHN. ML:2.5 0.00623 0.08 AML other m 2021-06-24T16:27:46.95
IV.FDMO.HHE. ML:1.5 0.00023438944999999999 0.1792 AML other m 2021-06-24T16:27:50.22
IV.FDMO.HHN. ML:1.5 0.00028231735000000004 0.128 AML other m 2021-06-24T16:27:50.50
IV.CESI.HNE. ML:1.8 0.0004285175 0.1792 AML other m 2021-06-24T16:27:51.40
IV.CESI.HNN. ML:2.3 0.0013261034999999999 0.1408 AML other m 2021-06-24T16:27:51.64
IV.CESI.HHN. ML:2.3 0.0014325625 0.1408 AML other m 2021-06-24T16:27:51.64
IV.CESI.HHE. ML:1.9 0.000538959 0.1408 AML other m 2021-06-24T16:27:51.64
IV.GAVE.EHN. ML:1.7 0.0003115 0.28 AML other m 2021-06-24T16:27:52.86
IV.MTRA.HNE. ML:1.7 0.00028524994999999995 0.2304 AML other m 2021-06-24T16:27:53.38
IV.MTRA.EHN. ML:2.0 0.0005005 0.28 AML other m 2021-06-24T16:27:53.49
IV.MTRA.EHE. ML:1.7 0.00029065355000000006 0.1024 AML other m 2021-06-24T16:27:53.38
IV.MTRA.HNN. ML:2.0 0.000505 0.32 AML other m 2021-06-24T16:27:53.48
IV.GAVE.HNE. ML:1.8 0.00038856380000000003 0.1792 AML other m 2021-06-24T16:27:53.79
IV.GAVE.EHE. ML:1.8 0.0003875 0.18 AML other m 2021-06-24T16:27:53.80
IV.GUMA.HHN. ML:2.0 0.0005256874000000001 0.256 AML other m 2021-06-24T16:27:54.14
IV.GUMA.HNN. ML:2.0 0.0005388573999999999 0.1792 AML other m 2021-06-24T16:27:54.14
IV.MF5.EHN. ML:1.5 0.00012801980499999998 0.1536 AML other m 2021-06-24T16:27:55.29
IV.MF5.EHE. ML:1.4 0.000112672235 0.1408 AML other m 2021-06-24T16:27:55.40
IV.GUMA.HNE. ML:1.8 0.00033757409999999997 0.2176 AML other m 2021-06-24T16:27:55.42
IV.SMA1.EHE. ML:1.4 0.00010903785 0.1664 AML other m 2021-06-24T16:27:56.13
IV.GUMA.HHE. ML:2.0 0.0004923843999999999 0.3072 AML other m 2021-06-24T16:27:56.52
IV.ASSB.HHN. ML:1.4 0.00007283107499999999 1.7824 AML other m 2021-06-24T16:27:56.98
IV.SMA1.EHN. ML:1.4 0.00010106218 0.3584 AML other m 2021-06-24T16:27:57.36
IV.RM33.EHE. ML:1.2 0.00005835 0.14 AML other m 2021-06-24T16:27:57.66
IV.RM33.EHN. ML:1.2 0.00006184583999999999 0.1792 AML other m 2021-06-24T16:27:58.07
IV.ASSB.HHE. ML:1.4 0.00008158664499999999 0.1024 AML other m 2021-06-24T16:27:58.78
IV.MOMA.HHE. ML:1.6 0.0001326789 0.1792 AML other m 2021-06-24T16:27:59.46
IV.MOMA.HHN. ML:1.4 0.00008690000000000001 1.44 AML other m 2021-06-24T16:28:00.08
IV.MNTT.EHN. ML:2.1 0.000334 0.22 AML other m 2021-06-24T16:28:01.12
IV.ATCC.EHE. ML:1.4 0.00006139013 0.2048 AML other m 2021-06-24T16:28:01.58
IV.CESX.HHN. ML:1.3 0.000050799999999999995 0.42 AML other m 2021-06-24T16:28:01.87
IV.ATCC.EHN. ML:1.4 0.00006415283 0.32 AML other m 2021-06-24T16:28:02.73
IV.CESX.HHE. ML:1.2 0.00004375 1.68 AML other m 2021-06-24T16:28:07.89
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