Earthquake with magnitude of ML 1.0 on date 27-09-2022 and time 23:34:36 (Italy) in region 2 km SE Cascia (PG)

A magnitude ML 1.0 earthquake occured in region: 2 km SE Cascia (PG), on

  • 27-09-2022 21:34:36 (UTC)
  • 27-09-2022 23:34:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7090, 13.0390 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 2 3217 3217
Poggiodomo PG 9 117 3334
Monteleone di Spoleto PG 10 599 3933
Norcia PG 10 4957 8890
Cittareale RI 14 482 9372
Vallo di Nera PG 16 364 9736
Cerreto di Spoleto PG 16 1075 10811
Sant'Anatolia di Narco PG 17 564 11375
Scheggino PG 17 461 11836
Accumoli RI 17 667 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
Bulletin
Rev1000
ML 1.0 2022-09-27
21:34:36
42.7088 13.0392 11 2024-03-01
15:27:57
Bollettino Sismico Italiano INGV 111033461
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 21:34:36 ± 0.03
Latitude 42.7088 ± 0.0018
Longitude 13.0392 ± 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 111033461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 138
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) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28419
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes 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

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 111033461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-21 11:37:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2022-09-27T21:34:47.68 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2022-09-27T21:34:43.28 0.1 undecidable manual S 24 15.1737 125 0 100
IV.MMO1.EHZ. 2022-09-27T21:34:43.23 0.1 undecidable manual P 48 31.5462 50 -0.04 96
IV.GAVE.EHZ. 2022-09-27T21:34:42.37 0.1 undecidable manual S 261 11.9769 131 -0.05 100
IV.MC2.EHZ. 2022-09-27T21:34:42.29 0.1 undecidable manual P 28 25.5522 50 -0.06 97
IV.LNSS.HHZ. 2022-09-27T21:34:42.34 0.3 undecidable manual S 180 11.7771 132 -0.02 75
IV.RM33.HNE. 2022-09-27T21:34:42.54 0.1 undecidable manual P 147 26.3514 50 0.07 97
IV.GAVE.EHZ. 2022-09-27T21:34:40.17 0.1 undecidable manual P 261 11.9769 131 0.08 99
IV.NRCA.HHZ. 2022-09-27T21:34:40.65 0.1 undecidable manual P 24 15.1737 125 0.06 99
IV.LNSS.HHZ. 2022-09-27T21:34:39.99 0.1 undecidable manual P 180 11.7771 132 -0.06 99
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:1.0 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