Earthquake with magnitude of ML 1.0 on date 27-09-2022 and time 21:34:37 (UTC) in region 3 km E Cascia (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km E Cascia (PG), on

  • 27-09-2022 21:34:37 (UTC)
  • 27-09-2022 23:34:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7080, 13.0420 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Poggiodomo PG 9 117 3334
Monteleone di Spoleto PG 10 599 3933
Norcia PG 10 4957 8890
Cittareale RI 14 482 9372
Cerreto di Spoleto PG 16 1075 10447
Vallo di Nera PG 16 364 10811
Accumoli RI 17 667 11478
Sant'Anatolia di Narco PG 17 564 12042
Scheggino PG 17 461 12503
Leonessa RI 17 2435 14938
Preci PG 19 724 15662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Terni (111501 inhabitants)
39 Km SE of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
85 Km N of Tivoli (56533 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 Km W of Pescara (121014 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
Reviewed
Rev100
ML 1.0 2022-09-27
21:34:37
42.7083 13.0422 10 2022-09-27
21:38:38
Sala Sismica INGV-Roma 110230981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 21:34:37 ± 0.05
Latitude 42.7083 ± 0.0018
Longitude 13.0422 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110230981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
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) 134
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 110230981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 21:38:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2022-09-27T21:34:48.38 0.3 undecidable manual S 47 0.2833 50 0.08 71
IV.VCEL.EHZ. 2022-09-27T21:34:47.68 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2022-09-27T21:34:43.27 1.0 positive manual P 47 0.2833 50 -0.3 23
IV.NRCA.HHZ. 2022-09-27T21:34:43.27 0.1 undecidable manual S 23 0.1358 122 0 100
IV.LNSS.HHZ. 2022-09-27T21:34:42.34 0.3 undecidable manual S 181 0.1052 129 0.03 75
IV.GAVE.EHZ. 2022-09-27T21:34:42.47 0.3 undecidable manual S 262 0.1097 128 0.02 75
IV.NRCA.HHZ. 2022-09-27T21:34:40.65 1.0 undecidable manual P 23 0.1358 122 -0.02 25
IV.LNSS.HHZ. 2022-09-27T21:34:40.03 1.0 undecidable manual P 181 0.1052 129 -0.08 25
IV.GAVE.EHZ. 2022-09-27T21:34:40.19 0.1 positive manual P 262 0.1097 128 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.0 0.000126 0.7 AML other m 2022-09-27T21:34:42.62
IV.MMO1.EHN. ML:0.9 0.00004165 1.4 AML other m 2022-09-27T21:34:42.19
IV.GAVE.EHE. ML:0.9 0.00008255 1.16 AML other m 2022-09-27T21:34:43.74
IV.MMO1.EHE. ML:1.0 0.000044985 0.42 AML other m 2022-09-27T21:34:52.24
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