Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-06-2021 and time 17:22:19 (UTC) in region 9 km E Cascia (PG)

A magnitude ML 1.9 earthquake occured in region: 9 km E Cascia (PG), on

  • 28-06-2021 17:22:19 (UTC)
  • 28-06-2021 19:22:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6910, 13.1110 at 10 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
Cascia PG 9 3217 3217
Cittareale RI 9 482 3699
Accumoli RI 11 667 4366
Norcia PG 12 4957 9323
Monteleone di Spoleto PG 14 599 9922
Poggiodomo PG 15 117 10039
Amatrice RI 16 2657 12696
Arquata del Tronto AP 18 1178 13874
Posta RI 19 694 14568
Leonessa RI 19 2435 17003
Borbona RI 20 617 17620

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
49 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km W of Chieti (51815 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 1.9 2021-06-28
17:22:19		 42.691 13.1112 11 2021-12-29
11:12:22		 Bollettino Sismico Italiano INGV 94540691
Reviewed
Rev100 		ML 2.0 2021-06-28
17:22:19		 42.6953 13.1047 11 2021-06-28
17:40:23		 Sala Sismica INGV-Roma 92006761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-28 17:22:19 ± 0.05
Latitude 42.6910 ± 0.0027
Longitude 13.1112 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94540691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 295
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
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) 35
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81568
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 92006761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-28 17:40:23

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 94540691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-23 13:39:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2021-06-28T17:23:22.13 3.0 undecidable manual Sn 0.28 0
IV.ZCCA.HHZ. 2021-06-28T17:22:59.03 3.0 undecidable manual Pn 3.42 0
IV.RIBO.EHZ.01 2021-06-28T17:22:47.64 3.0 undecidable manual Pn 2.09 0
IV.ATCC.EHZ. 2021-06-28T17:22:40.76 0.3 undecidable manual S 325 66.8775 50 0.7 58
IV.ASSB.HHZ. 2021-06-28T17:22:36.66 0.6 undecidable manual S 317 53.6019 50 0.13 46
IV.GUMA.HNN. 2021-06-28T17:22:35.25 0.3 undecidable manual S 24 45.1215 50 1 53
IV.MML1.HNE. 2021-06-28T17:22:35.98 0.6 undecidable manual S 346 48.2184 50 0.89 37
IV.ARVD.HHZ. 2021-06-28T17:22:35.34 0.6 undecidable manual P 351 90.5427 50 0.25 42
IV.FIAM.HHZ. 2021-06-28T17:22:35.05 0.3 undecidable manual S 179 46.9197 50 0.3 68
IT.GNU.HGE. 2021-06-28T17:22:35.00 0.3 undecidable manual S 286 45.8208 50 0.55 64
IV.PF6.EHN. 2021-06-28T17:22:35.57 0.3 undecidable manual S 8 50.0166 50 0 71
IV.VVLD.HHZ. 2021-06-28T17:22:34.05 3.0 undecidable manual P -2.98 0
IV.CSP1.EHZ. 2021-06-28T17:22:34.43 0.3 undecidable manual S 10 45.1215 50 0.17 70
IV.ATFO.HHZ. 2021-06-28T17:22:34.64 0.3 undecidable manual P 330 86.7465 50 0.14 65
IV.GIGS.HJZ. 2021-06-28T17:22:34.13 0.1 undecidable manual S 125 46.0206 50 -0.38 89
IV.MOMA.HHZ. 2021-06-28T17:22:34.66 0.6 undecidable manual S 286 45.8208 50 0.21 46
IV.MURB.HHZ. 2021-06-28T17:22:33.59 0.3 undecidable manual P 323 79.365 50 0.24 65
IV.FDMO.HHZ. 2021-06-28T17:22:32.40 0.1 undecidable manual S 357 38.3283 50 -0.07 96
IV.CESI.HHZ. 2021-06-28T17:22:32.49 0.1 undecidable manual S 334 38.628 50 -0.05 96
IV.T0110.HHZ. 2021-06-28T17:22:32.67 0.3 undecidable manual P 133 74.7696 50 0.02 68
IV.TERO.HHZ. 2021-06-28T17:22:32.99 0.1 undecidable manual S 100 40.9257 50 -0.15 94
IV.VCEL.EHZ. 2021-06-28T17:22:31.87 0.6 undecidable manual P 119 68.0763 50 0.25 44
IV.FAGN.HHZ. 2021-06-28T17:22:31.17 0.3 undecidable manual P 140 60.9945 50 0.64 60
IV.EL6.EHZ. 2021-06-28T17:22:31.96 0.3 undecidable manual P 359 70.7736 50 -0.08 68
IT.MTCL.HGZ. 2021-06-28T17:22:31.40 0.3 undecidable manual S 345 34.8429 50 -0.11 72
IV.ATCC.EHZ. 2021-06-28T17:22:31.28 0.3 undecidable manual P 325 66.8775 50 -0.15 67
IV.FEMA.HNZ. 2021-06-28T17:22:30.22 0.3 undecidable manual S 351 30.4473 50 -0.14 72
IV.CAMP.HHE. 2021-06-28T17:22:30.06 0.1 undecidable manual S 125 29.8479 50 -0.12 97
IV.MMO1.EHZ. 2021-06-28T17:22:29.88 0.1 undecidable manual S 37 29.0487 50 -0.09 97
IT.GNU.HGE. 2021-06-28T17:22:29.01 0.3 undecidable manual P 286 45.8208 50 0.82 57
IV.ARRO.EHZ. 2021-06-28T17:22:29.93 0.3 undecidable manual S 246 30.8469 50 -0.51 66
IV.ASSB.HHZ. 2021-06-28T17:22:29.12 0.3 undecidable manual P 317 53.6019 50 -0.27 67
IV.FIAM.HHZ. 2021-06-28T17:22:28.05 0.6 undecidable manual P 179 46.9197 50 -0.31 45
IV.MOMA.HHZ. 2021-06-28T17:22:28.00 0.3 undecidable manual P 286 45.8208 50 -0.19 69
IV.PF6.EHN. 2021-06-28T17:22:28.54 0.1 undecidable manual P 8 50.0166 50 -0.3 90
IV.MF5.EHZ. 2021-06-28T17:22:28.23 0.6 undecidable manual P 41 43.4232 50 0.41 44
MN.AQU.HNN. 2021-06-28T17:22:28.22 0.3 undecidable manual P 147 44.4222 50 0.24 69
IV.GUMA.HNN. 2021-06-28T17:22:28.50 0.3 undecidable manual P 24 45.1215 50 0.42 66
IV.MML1.HNE. 2021-06-28T17:22:28.41 0.1 undecidable manual P 346 48.2184 50 -0.15 93
IV.MTRA.EHZ. 2021-06-28T17:22:28.52 0.3 undecidable manual S 73 24.3534 50 -0.21 72
IV.CSP1.EHZ. 2021-06-28T17:22:27.85 0.1 undecidable manual P 10 45.1215 50 -0.23 92
IV.GIGS.HJZ. 2021-06-28T17:22:27.97 0.3 undecidable manual P 125 46.0206 50 -0.25 68
IV.RM33.EHZ. 2021-06-28T17:22:27.89 0.1 undecidable manual S 157 21.867 116 -0.17 97
IV.SMA1.EHZ. 2021-06-28T17:22:27.82 0.6 undecidable manual S 110 19.4694 118 0.5 45
IV.TERO.HHZ. 2021-06-28T17:22:27.32 0.3 undecidable manual P 100 40.9257 50 -0.11 71
IV.GAVE.EHZ. 2021-06-28T17:22:26.54 0.1 undecidable manual S 270 17.6712 121 -0.23 96
IT.MTCL.HGZ. 2021-06-28T17:22:26.21 0.1 undecidable manual P 345 34.8429 50 -0.28 93
IV.FDMO.HHZ. 2021-06-28T17:22:26.73 0.1 undecidable manual P 357 38.3283 50 -0.31 91
IV.CESI.HHZ. 2021-06-28T17:22:26.88 0.1 undecidable manual P 334 38.628 50 -0.21 93
IV.T1299.EHZ. 2021-06-28T17:22:26.38 0.3 undecidable manual S 114 15.2736 124 0.3 72
IV.CAMP.HHE. 2021-06-28T17:22:25.61 0.1 undecidable manual P 125 29.8479 50 -0.11 97
IV.LNSS.HHZ. 2021-06-28T17:22:25.11 0.1 undecidable manual S 211 11.3775 133 0.1 100
IV.MMO1.EHZ. 2021-06-28T17:22:25.45 0.1 undecidable manual P 37 29.0487 50 -0.15 96
IV.NRCA.HNZ. 2021-06-28T17:22:25.93 0.1 undecidable manual S 1 15.7731 124 -0.29 95
IV.ARRO.EHZ. 2021-06-28T17:22:25.67 0.3 undecidable manual P 246 30.8469 50 -0.2 71
IV.FEMA.HNZ. 2021-06-28T17:22:25.77 0.6 undecidable manual P 351 30.4473 50 -0.06 49
IV.MTRA.EHZ. 2021-06-28T17:22:24.71 0.1 undecidable manual P 73 24.3534 50 -0.17 96
IV.RM33.EHZ. 2021-06-28T17:22:24.37 0.1 undecidable manual P 157 21.867 116 -0.13 98
IV.SMA1.EHZ. 2021-06-28T17:22:24.34 0.1 undecidable manual P 110 19.4694 118 0.27 95
IV.T1299.EHZ. 2021-06-28T17:22:23.59 0.1 undecidable manual P 114 15.2736 124 0.23 97
IV.GAVE.EHZ. 2021-06-28T17:22:23.67 0.1 undecidable manual P 270 17.6712 121 -0.09 99
IV.NRCA.HNZ. 2021-06-28T17:22:23.34 0.1 undecidable manual P 1 15.7731 124 -0.1 99
IV.LNSS.HHZ. 2021-06-28T17:22:22.92 0.1 undecidable manual P 211 11.3775 133 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNN. ML:2.4 0.0031500000000000005 0.18 AML other m 2021-06-28T17:22:25.20
IV.LNSS.HHN. ML:2.5 0.003437915 0.1792 AML other m 2021-06-28T17:22:25.20
IV.LNSS.HNE. ML:2.5 0.0040162345 0.1408 AML other m 2021-06-28T17:22:25.25
IV.LNSS.HHE. ML:2.6 0.0046596455 0.128 AML other m 2021-06-28T17:22:25.24
IV.NRCA.HHN. ML:2.2 0.001446688 0.1024 AML other m 2021-06-28T17:22:26.84
IV.NRCA.HNN. ML:2.1 0.0012504564999999998 0.1024 AML other m 2021-06-28T17:22:26.79
IV.NRCA.HNE. ML:2.2 0.001518618 0.128 AML other m 2021-06-28T17:22:26.05
IV.NRCA.HHE. ML:2.2 0.001592826 0.128 AML other m 2021-06-28T17:22:26.05
IV.GAVE.EHN. ML:2.3 0.0015863383999999998 0.2432 AML other m 2021-06-28T17:22:26.87
IV.GAVE.HNN. ML:1.7 0.00043811755000000005 0.1408 AML other m 2021-06-28T17:22:26.87
IV.GAVE.EHE. ML:2.2 0.001267368 0.1408 AML other m 2021-06-28T17:22:27.28
IV.GAVE.HNE. ML:2.2 0.001416718 0.1408 AML other m 2021-06-28T17:22:27.28
IV.SMA1.EHE. ML:2.0 0.0007090498000000001 0.1792 AML other m 2021-06-28T17:22:28.15
IV.SMA1.EHN. ML:2.0 0.00076799835 0.256 AML other m 2021-06-28T17:22:27.92
IV.RM33.HNN. ML:2.2 0.0009885 0.18 AML other m 2021-06-28T17:22:28.23
IV.RM33.EHN. ML:2.2 0.000985 0.18 AML other m 2021-06-28T17:22:28.24
IV.MTRA.EHN. ML:1.8 0.00042242114999999997 0.2816 AML other m 2021-06-28T17:22:28.70
IV.RM33.HNE. ML:1.9 0.0005153033 0.1536 AML other m 2021-06-28T17:22:29.68
IV.RM33.EHE. ML:1.9 0.0005085000000000001 0.14 AML other m 2021-06-28T17:22:29.68
IV.ARRO.EHN. ML:1.7 0.00023649999999999998 0.3 AML other m 2021-06-28T17:22:30.42
IV.MTRA.EHE. ML:1.8 0.00034443015 0.2816 AML other m 2021-06-28T17:22:28.84
IV.ARRO.EHE. ML:1.6 0.0001715 0.18 AML other m 2021-06-28T17:22:31.50
IV.CESI.HHE. ML:1.7 0.0001975 0.3 AML other m 2021-06-28T17:22:32.62
IV.FDMO.HHE. ML:1.8 0.00024950454999999997 0.2176 AML other m 2021-06-28T17:22:32.84
IV.FDMO.HHN. ML:1.9 0.00027258740000000005 0.2432 AML other m 2021-06-28T17:22:33.22
IV.CESI.HHN. ML:2.2 0.0005005 0.22 AML other m 2021-06-28T17:22:33.11
IV.CSP1.EHE. ML:2.2 0.0004935 0.3 AML other m 2021-06-28T17:22:35.59
IV.MF5.EHN. ML:1.6 0.000142 0.32 AML other m 2021-06-28T17:22:35.53
IV.MOMA.HHN. ML:1.7 0.0001585 1.7 AML other m 2021-06-28T17:22:35.03
IV.FIAM.HHE. ML:1.3 0.00006084159 0.2176 AML other m 2021-06-28T17:22:35.23
IV.FIAM.HHN. ML:1.3 0.00005615 0.26 AML other m 2021-06-28T17:22:36.17
IV.CSP1.EHN. ML:2.2 0.00051346695 0.2944 AML other m 2021-06-28T17:22:35.82
IV.MOMA.HHE. ML:1.7 0.00013550000000000001 0.22 AML other m 2021-06-28T17:22:36.37
IV.ASSB.HHN. ML:1.9 0.00020700000000000002 1.8 AML other m 2021-06-28T17:22:36.93
IV.MF5.EHE. ML:1.7 0.00015402070000000001 0.2432 AML other m 2021-06-28T17:22:35.97
IV.ASSB.HHE. ML:1.7 0.00013169005 0.1152 AML other m 2021-06-28T17:22:38.82
IV.ATCC.EHN. ML:0.0 0.0001256297 0.2432 AML other m 2021-06-28T17:22:41.84
IV.ATCC.EHE. ML:0.0 0.00011993225 0.2176 AML other m 2021-06-28T17:22:42.12
IV.VCEL.EHN. ML:1.8 0.0001175 1.12 AML other m 2021-06-28T17:22:44.57
IV.EL6.EHN. ML:1.8 0.000100272045 0.3968 AML other m 2021-06-28T17:22:44.70
IV.EL6.EHE. ML:1.9 0.00011971155 0.2432 AML other m 2021-06-28T17:22:44.99
IV.MURB.HHE. ML:2.3 0.000256 0.26 AML other m 2021-06-28T17:22:45.90
IV.VCEL.EHE. ML:1.8 0.000101 1.6 AML other m 2021-06-28T17:22:46.10
IV.MURB.HHN. ML:2.2 0.00022 0.26 AML other m 2021-06-28T17:22:46.93
IV.T0110.HHN. ML:0.0 0.00008897601999999998 0.3712 AML other m 2021-06-28T17:22:47.46
IV.ATFO.HHE. ML:1.6 0.00005033767 0.256 AML other m 2021-06-28T17:22:48.04
IV.ATFO.HHN. ML:1.6 0.000052900000000000005 0.48 AML other m 2021-06-28T17:22:48.36
IV.T0110.HHE. ML:0.0 0.00006881017 0.2944 AML other m 2021-06-28T17:22:48.52
IV.MTRA.HNE. ML:1.8 0.0003803342 0.2944 AML other m 2021-06-28T17:22:28.84
IV.MTRA.HNN. ML:1.8 0.00042219695 0.2304 AML other m 2021-06-28T17:22:28.70
IV.CESI.HNE. ML:1.7 0.00018911050000000002 0.2304 AML other m 2021-06-28T17:22:32.64
IV.CESI.HNN. ML:2.1 0.00047489615 0.2176 AML other m 2021-06-28T17:22:33.12
IV.TERO.HNE. ML:1.6 0.000117973705 0.1536 AML other m 2021-06-28T17:22:33.26
IV.TERO.HNN. ML:1.6 0.00014936902 0.1536 AML other m 2021-06-28T17:22:33.75
IV.TERO.HHN. ML:1.6 0.00013255705000000002 0.0768 AML other m 2021-06-28T17:22:33.89
IV.MOMA.HNE. ML:1.7 0.0001413854 0.2176 AML other m 2021-06-28T17:22:36.37
IV.MURB.HNE. ML:2.3 0.00026155625 0.2688 AML other m 2021-06-28T17:22:45.78
IV.MURB.HNN. ML:2.1 0.00017844769999999998 0.3328 AML other m 2021-06-28T17:22:46.82
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