Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-08-2024 and time 08:40:17 (UTC) in region 2 km NE Cascia (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km NE Cascia (PG), on

  • 27-08-2024 08:40:17 (UTC)
  • 27-08-2024 10:40:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7390, 13.0240 at 11 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.

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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 2 3217 3217
Poggiodomo PG 8 117 3334
Norcia PG 8 4957 8291
Monteleone di Spoleto PG 11 599 8890
Cerreto di Spoleto PG 13 1075 9965
Vallo di Nera PG 14 364 10329
Sant'Anatolia di Narco PG 15 564 10893
Preci PG 16 724 11617
Scheggino PG 16 461 12078
Cittareale RI 18 482 12560
Sellano PG 19 1079 13639
Accumoli RI 19 667 14306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 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)
83 Km E of Viterbo (67173 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
88 Km N of Tivoli (56533 inhabitants)
96 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
Reviewed
Rev100 		ML 1.3 2024-08-27
08:40:17		 42.739 13.0237 11 2024-08-27
08:48:18		 Sala Sismica INGV-Roma 131008091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-27 08:40:17 ± 0.04
Latitude 42.7390 ± 0.0027
Longitude 13.0237 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131008091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.37682
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 131008091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-27 08:48:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.HNE. 2024-08-27T08:40:31.85 0.6 undecidable manual S 354 41.7249 50 0.5 43
IV.FDMO.HHZ. 2024-08-27T08:40:29.20 0.6 undecidable manual S 9 33.4443 50 0.08 48
IV.RM33.EHZ. 2024-08-27T08:40:28.13 0.6 undecidable manual S 149 29.8479 50 -0.05 49
IV.CESI.HNE. 2024-08-27T08:40:28.38 0.3 undecidable manual S 342 31.0467 50 -0.11 72
7F.SIB2.EHN. 2024-08-27T08:40:27.67 0.3 undecidable manual S 53 28.3494 50 -0.1 72
7F.SIB1.EHN. 2024-08-27T08:40:27.31 0.6 undecidable manual S 49 26.4513 50 0.05 49
IV.CSP1.EHN. 2024-08-27T08:40:25.08 1.0 undecidable manual P 21 41.8248 50 -0.49 22
IV.MML1.HNE. 2024-08-27T08:40:25.60 0.3 undecidable manual P 354 41.7249 50 0.04 72
IV.MOMA.HHN. 2024-08-27T08:40:24.97 0.6 undecidable manual P 281 37.629 50 0.04 48
IV.LNSS.HHZ. 2024-08-27T08:40:24.03 0.6 undecidable manual S 175 15.1737 125 -0.06 50
IV.FDMO.HHZ. 2024-08-27T08:40:24.21 0.1 undecidable manual P 9 33.4443 50 -0.06 96
IV.GAVE.EHZ. 2024-08-27T08:40:23.02 0.3 undecidable manual S 244 11.7771 132 -0.15 74
IV.NRCA.HHZ. 2024-08-27T08:40:23.32 0.6 undecidable manual S 35 12.7761 130 -0.13 49
7F.SIB2.EHN. 2024-08-27T08:40:23.42 0.3 undecidable manual P 53 28.3494 50 -0.08 73
IV.RM33.EHZ. 2024-08-27T08:40:23.87 1.0 undecidable manual P 149 29.8479 50 0.14 24
IV.CESI.HNE. 2024-08-27T08:40:23.76 0.3 undecidable manual P 342 31.0467 50 -0.15 71
7F.SIB1.EHN. 2024-08-27T08:40:23.24 0.3 undecidable manual P 49 26.4513 50 0.04 74
IV.NRCA.HHZ. 2024-08-27T08:40:21.13 0.1 positive manual P 35 12.7761 130 0.13 99
IV.LNSS.HHZ. 2024-08-27T08:40:21.56 0.3 positive manual P 175 15.1737 125 0.19 73
IV.GAVE.EHZ. 2024-08-27T08:40:20.91 0.1 undecidable manual P 244 11.7771 132 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.1 0.00013900000000000002 0.22 AML other m 2024-08-27T08:40:23.20
IV.GAVE.EHE. ML:1.1 0.00014150000000000002 1.04 AML other m 2024-08-27T08:40:23.87
IV.NRCA.HHN. ML:1.5 0.00029949999999999996 0.14 AML other m 2024-08-27T08:40:23.50
IV.NRCA.HHE. ML:1.5 0.000338 0.14 AML other m 2024-08-27T08:40:23.59
IV.LNSS.HHE. ML:1.3 0.000185 0.34 AML other m 2024-08-27T08:40:24.48
IV.LNSS.HHN. ML:1.2 0.000157 0.3 AML other m 2024-08-27T08:40:24.54
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