Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 21-10-2019 and time 11:29:08 (Italy) in region 10 km E Cascia (PG)

A magnitude ML 1.3 earthquake occured in region: 10 km E Cascia (PG), on

  • 21-10-2019 09:29:08 (UTC)
  • 21-10-2019 11:29:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7070, 13.1290 at 11 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 10 3217 3217
Accumoli RI 10 667 3884
Norcia PG 10 4957 8841
Cittareale RI 10 482 9323
Amatrice RI 16 2657 11980
Arquata del Tronto AP 16 1178 13158
Monteleone di Spoleto PG 16 599 13757
Poggiodomo PG 16 117 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 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 1.3 2019-10-21
09:29:08		 42.7068 13.1293 11 2020-02-28
16:42:28		 Bollettino Sismico Italiano INGV 76870771
Reviewed
Rev100 		ML 1.3 2019-10-21
09:29:08		 42.7082 13.1247 11 2019-10-21
09:33:04		 Sala Sismica INGV-Roma 73371011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-21 09:29:08 ± 0.05
Latitude 42.7068 ± 0.0027
Longitude 13.1293 ± 0.0049
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 76870771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 384
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42178
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 76870771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 14:51:49

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 73371011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-21 09:33:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2019-10-21T09:29:41.48 3.0 undecidable manual S -3.32 0
IV.CSP1.EHZ. 2019-10-21T09:29:23.15 0.6 undecidable manual S 8 43.1235 50 0.4 44
IV.CESI.HHZ. 2019-10-21T09:29:21.34 0.6 undecidable manual S 331 37.7289 50 0.02 48
IV.TERO.HHZ. 2019-10-21T09:29:21.56 0.6 undecidable manual S 103 39.8268 50 -0.31 46
IV.FDMO.HHZ. 2019-10-21T09:29:20.91 0.6 undecidable manual S 355 36.741 50 -0.13 48
IV.MMO1.EHZ. 2019-10-21T09:29:18.39 0.3 undecidable manual S 37 26.751 50 0.02 74
IV.MF5.EHZ. 2019-10-21T09:29:17.04 0.3 undecidable manual P 41 41.1255 50 0.54 64
IV.MC2.EHZ. 2019-10-21T09:29:17.62 0.3 undecidable manual S 12 23.1546 50 0.19 71
IV.MOMA.HHZ. 2019-10-21T09:29:17.64 0.3 undecidable manual P 283 46.8198 50 0.27 67
IV.RM33.EHZ. 2019-10-21T09:29:17.27 0.3 undecidable manual S 162 23.0547 50 -0.11 74
IV.GIGS.HHZ. 2019-10-21T09:29:17.04 0.3 undecidable manual P 128 45.9207 50 -0.19 69
IV.CSP1.EHZ. 2019-10-21T09:29:16.76 0.3 undecidable manual P 8 43.1235 50 -0.05 71
IV.MTRA.EHZ. 2019-10-21T09:29:16.99 0.3 undecidable manual S 76 22.4553 50 -0.24 71
IV.SMA1.EHZ. 2019-10-21T09:29:16.37 0.3 undecidable manual S 117 18.87 120 0.17 73
IV.TERO.HHZ. 2019-10-21T09:29:16.12 0.3 undecidable manual P 103 39.8268 50 -0.18 70
IV.FDMO.HHZ. 2019-10-21T09:29:15.64 0.3 undecidable manual P 355 36.741 50 -0.18 70
IV.T1299.HNZ. 2019-10-21T09:29:15.20 0.1 undecidable manual S 123 14.874 126 0.16 99
IV.CESI.HHZ. 2019-10-21T09:29:15.86 0.3 undecidable manual P 331 37.7289 50 -0.12 71
IV.MMO1.EHZ. 2019-10-21T09:29:14.23 0.1 undecidable manual P 37 26.751 50 -0.05 98
IV.LNSS.HHZ. 2019-10-21T09:29:14.59 0.3 undecidable manual S 212 13.6752 128 -0.11 74
IV.NRCA.HNZ. 2019-10-21T09:29:14.59 0.1 undecidable manual S 355 14.0748 127 -0.24 95
IV.SMA1.EHZ. 2019-10-21T09:29:13.32 0.1 negative manual P 117 18.87 120 0.29 95
IV.RM33.EHZ. 2019-10-21T09:29:13.59 0.3 undecidable manual P 162 23.0547 50 -0.12 73
IV.MTRA.EHZ. 2019-10-21T09:29:13.49 0.1 undecidable manual P 76 22.4553 50 -0.14 97
IV.MC2.EHZ. 2019-10-21T09:29:13.71 0.1 undecidable manual P 12 23.1546 50 -0.03 99
IV.NRCA.HNZ. 2019-10-21T09:29:12.23 0.1 negative manual P 355 14.0748 127 -0.01 100
IV.LNSS.HHZ. 2019-10-21T09:29:12.24 0.1 positive manual P 212 13.6752 128 0.08 100
IV.T1299.HNZ. 2019-10-21T09:29:12.49 0.1 undecidable manual P 123 14.874 126 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.2 0.0014449999999999999 0.12 AML other m 2019-10-21T09:29:14.75
IV.LNSS.HHE. ML:1.8 0.000718 0.26 AML other m 2019-10-21T09:29:14.76
IV.LNSS.HHN. ML:1.8 0.000733 0.6 AML other m 2019-10-21T09:29:15.04
IV.NRCA.HHN. ML:1.9 0.000745 0.82 AML other m 2019-10-21T09:29:15.21
IV.SMA1.EHE. ML:1.4 0.00017199999999999998 0.22 AML other m 2019-10-21T09:29:16.83
IV.MTRA.EHN. ML:1.1 0.00007985 0.76 AML other m 2019-10-21T09:29:17.35
IV.RM33.EHE. ML:1.1 0.0000779 0.68 AML other m 2019-10-21T09:29:18.48
IV.SMA1.EHN. ML:1.4 0.000176 0.46 AML other m 2019-10-21T09:29:18.53
IV.RM33.EHN. ML:1.1 0.00008085 0.6 AML other m 2019-10-21T09:29:18.85
IV.MTRA.EHE. ML:1.2 0.00010570000000000001 1.02 AML other m 2019-10-21T09:29:20.32
IV.FDMO.HHN. ML:1.2 0.00006305 0.5 AML other m 2019-10-21T09:29:21.32
IV.FDMO.HHE. ML:1.2 0.0000605 0.26 AML other m 2019-10-21T09:29:22.38
IV.TERO.HHE. ML:1.2 0.000051500000000000005 0.16 AML other m 2019-10-21T09:29:22.55
IV.TERO.HHN. ML:1.2 0.00006075 0.84 AML other m 2019-10-21T09:29:23.55
IV.CSP1.EHE. ML:1.2 0.00005025 0.62 AML other m 2019-10-21T09:29:23.82
IV.CSP1.EHN. ML:1.4 0.00007125000000000001 0.58 AML other m 2019-10-21T09:29:24.42
IV.MOMA.HHN. ML:1.3 0.00005355 0.18 AML other m 2019-10-21T09:29:25.59
IV.MOMA.HHE. ML:1.4 0.0000791 0.16 AML other m 2019-10-21T09:29:25.61
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