Earthquake with magnitude of ML 0.6 on date 26-05-2023 and time 22:41:21 (Italy) in region 2 km S Cascia (PG)

A magnitude ML 0.6 earthquake occured in region: 2 km S Cascia (PG), on

  • 26-05-2023 20:41:21 (UTC)
  • 26-05-2023 22:41:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6980, 13.0170 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 2 3217 3217
Poggiodomo PG 7 117 3334
Monteleone di Spoleto PG 7 599 3933
Norcia PG 12 4957 8890
Cittareale RI 15 482 9372
Vallo di Nera PG 15 364 9736
Sant'Anatolia di Narco PG 15 564 10300
Scheggino PG 15 461 10761
Leonessa RI 16 2435 13196
Cerreto di Spoleto PG 16 1075 14271
Polino TR 19 233 14504
Accumoli RI 19 667 15171

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
56 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
100 Km NE of Roma (2864731 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 0.6 2023-05-26
20:41:21
42.6985 13.017 10 2023-05-27
08:22:33
Sala Sismica INGV-Roma 117769701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 20:41:21 ± 0.04
Latitude 42.6985 ± 0.0027
Longitude 13.0170 ± 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 117769701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 117769701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 08:22:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2023-05-26T20:41:43.73 3.0 undecidable manual Pn -2.54 0
IV.ASSB.HHZ. 2023-05-26T20:41:36.66 0.3 undecidable manual S 323 48.0186 50 -0.05 70
IV.MML1.EHN. 2023-05-26T20:41:36.55 0.3 undecidable manual S 355 46.2204 50 0.33 67
IV.FDMO.HHZ. 2023-05-26T20:41:33.92 0.3 undecidable manual S 9 37.9287 50 -0.09 71
IV.MOMA.HNE. 2023-05-26T20:41:33.98 0.3 undecidable manual S 288 38.2284 50 -0.12 71
IV.CESI.HHE. 2023-05-26T20:41:33.23 0.3 undecidable manual S 345 35.2425 50 -0.06 72
7F.SIB2.EHE. 2023-05-26T20:41:32.15 0.3 undecidable manual S 47 31.6461 50 -0.19 71
IV.SMA1.EHE. 2023-05-26T20:41:31.41 0.3 undecidable manual S 106 27.0507 50 0.3 70
7F.SIB3.EHZ. 2023-05-26T20:41:31.11 0.3 undecidable manual S 46 28.4493 50 -0.37 68
IV.RM33.EHE. 2023-05-26T20:41:30.77 0.3 undecidable manual S 142 26.4513 50 -0.19 71
IV.ASSB.HHZ. 2023-05-26T20:41:30.32 0.3 undecidable manual P 323 48.0186 50 0.17 69
IV.MML1.EHN. 2023-05-26T20:41:29.76 0.3 undecidable manual P 355 46.2204 50 -0.11 70
IV.CESI.HHE. 2023-05-26T20:41:28.32 0.1 undecidable manual P 345 35.2425 50 0.14 94
IV.FDMO.HHZ. 2023-05-26T20:41:28.62 0.1 undecidable manual P 9 37.9287 50 0.02 96
IV.NRCA.HHZ. 2023-05-26T20:41:28.00 0.3 undecidable manual S 28 16.9719 121 -0.02 75
IV.MOMA.HNE. 2023-05-26T20:41:28.74 0.1 undecidable manual P 288 38.2284 50 0.1 95
7F.SIB3.EHZ. 2023-05-26T20:41:27.12 0.1 undecidable manual P 46 28.4493 50 -0.02 98
IV.SMA1.EHE. 2023-05-26T20:41:27.11 0.1 undecidable manual P 106 27.0507 50 0.19 95
7F.SIB2.EHE. 2023-05-26T20:41:27.52 0.3 undecidable manual P 47 31.6461 50 -0.11 72
IV.LNSS.HHZ. 2023-05-26T20:41:26.11 0.3 undecidable manual S 170 10.7781 133 -0.19 73
IV.RM33.EHE. 2023-05-26T20:41:26.84 0.1 undecidable manual P 142 26.4513 50 0.01 99
IV.NRCA.HHZ. 2023-05-26T20:41:25.29 0.1 undecidable manual P 28 16.9719 121 0.15 97
IV.GAVE.EHE. 2023-05-26T20:41:25.90 0.3 undecidable manual S 266 10.0788 135 -0.21 73
IV.GAVE.EHE. 2023-05-26T20:41:24.11 0.1 positive manual P 266 10.0788 135 0.08 100
IV.LNSS.HHZ. 2023-05-26T20:41:24.26 0.1 undecidable manual P 170 10.7781 133 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.6 0.0000465 0.46 AML other m 2023-05-26T20:41:26.65
IV.LNSS.HHN. ML:0.6 0.00004935 0.44 AML other m 2023-05-26T20:41:26.98
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