Earthquake with magnitude of ML 1.4 on date 28-11-2021 and time 17:19:11 (UTC) in region 3 km NE Cascia (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Cascia (PG), on

  • 28-11-2021 17:19:11 (UTC)
  • 28-11-2021 18:19:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 13.0300 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.

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 3 3217 3217
Norcia PG 7 4957 8174
Poggiodomo PG 9 117 8291
Monteleone di Spoleto PG 12 599 8890
Cerreto di Spoleto PG 12 1075 9965
Vallo di Nera PG 14 364 10329
Preci PG 15 724 11053
Sant'Anatolia di Narco PG 16 564 11617
Scheggino PG 17 461 12078
Cittareale RI 18 482 12560
Sellano PG 18 1079 13639
Accumoli RI 19 667 14306
Castelsantangelo sul Nera MC 20 281 14587

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
37 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
56 Km W of Teramo (54892 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
95 Km W of Montesilvano (53738 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 1.4 2021-11-28
17:19:11
42.746 13.0297 11 2022-03-30
13:04:28
Bollettino Sismico Italiano INGV 99608541
Reviewed
Rev100
ML 1.5 2021-11-28
17:19:11
42.7487 13.0327 10 2021-11-28
17:47:26
Sala Sismica INGV-Roma 97914351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-28 17:19:11 ± 0.05
Latitude 42.7460 ± 0.0027
Longitude 13.0297 ± 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 99608541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 161
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 99608541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 17:57:44

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 97914351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-28 17:47:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-11-28T17:19:26.18 0.6 undecidable manual S 318 44.622 50 0.34 44
IV.CESI.HHZ. 2021-11-28T17:19:22.14 0.3 undecidable manual S 341 30.4473 50 0.08 72
IV.FDMO.HHZ. 2021-11-28T17:19:22.64 0.6 undecidable manual S 8 32.5452 50 0.02 48
IV.MMO1.EHZ. 2021-11-28T17:19:21.60 0.3 undecidable manual S 55 29.5482 50 -0.22 70
IV.SMA1.EHZ. 2021-11-28T17:19:21.70 0.3 undecidable manual S 117 28.0497 50 0.29 69
IV.MTRA.EHE. 2021-11-28T17:19:21.92 0.6 undecidable manual S 88 29.9478 50 0.01 49
IT.MTCL.HGZ. 2021-11-28T17:19:21.20 0.6 undecidable manual S 355 27.6501 50 -0.1 48
IV.MC2.EHZ. 2021-11-28T17:19:20.37 0.3 undecidable manual S 35 22.4553 50 0.44 68
IV.ASSB.HHZ. 2021-11-28T17:19:19.62 0.3 undecidable manual P 318 44.622 50 -0.09 70
IV.ARRO.EHZ. 2021-11-28T17:19:17.29 0.6 undecidable manual P 229 28.3494 50 0.08 48
IV.MMO1.EHZ. 2021-11-28T17:19:17.20 0.3 undecidable manual P 55 29.5482 50 -0.19 71
IV.FDMO.HHZ. 2021-11-28T17:19:17.77 0.3 undecidable manual P 8 32.5452 50 -0.08 72
IV.CESI.HHZ. 2021-11-28T17:19:17.55 0.3 undecidable manual P 341 30.4473 50 0.03 73
IV.SMA1.EHZ. 2021-11-28T17:19:17.19 0.3 undecidable manual P 117 28.0497 50 0.04 73
IV.MTRA.EHE. 2021-11-28T17:19:17.28 0.1 undecidable manual P 88 29.9478 50 -0.16 95
IV.NRCA.HHZ. 2021-11-28T17:19:16.59 0.3 undecidable manual S 35 11.877 131 -0.24 72
IT.MTCL.HGZ. 2021-11-28T17:19:16.90 0.6 undecidable manual P 355 27.6501 50 -0.19 47
IV.MC2.EHZ. 2021-11-28T17:19:16.38 0.3 undecidable manual P 35 22.4553 50 0.09 73
IV.GAVE.EHZ. 2021-11-28T17:19:16.85 0.3 undecidable manual S 242 12.5763 130 -0.15 73
IV.GAVE.EHZ. 2021-11-28T17:19:14.68 0.1 positive manual P 242 12.5763 130 0.08 99
IV.NRCA.HHZ. 2021-11-28T17:19:14.54 0.1 negative manual P 35 11.877 131 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.00033350000000000003 0.08 AML other m 2021-11-28T17:19:16.66
IV.NRCA.HNN. ML:1.4 0.0002797962 0.0768 AML other m 2021-11-28T17:19:16.70
IV.NRCA.HHE. ML:1.8 0.000709 0.16 AML other m 2021-11-28T17:19:16.79
IV.NRCA.HNE. ML:1.8 0.00070498555 0.1664 AML other m 2021-11-28T17:19:16.79
IV.GAVE.HNE. ML:1.2 0.00015408374 0.2816 AML other m 2021-11-28T17:19:17.16
IV.GAVE.EHN. ML:1.1 0.0001464281 0.1408 AML other m 2021-11-28T17:19:17.93
IV.GAVE.EHE. ML:1.3 0.00020600000000000002 1.82 AML other m 2021-11-28T17:19:17.06
IV.CESI.HHN. ML:0.9 0.0000393421985 0.2048 AML other m 2021-11-28T17:19:22.26
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