Earthquake with magnitude of ML 0.5 on date 25-05-2023 and time 02:24:00 (UTC) in region 6 km SE Cerreto di Spoleto (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km SE Cerreto di Spoleto (PG), on

  • 25-05-2023 02:24:00 (UTC)
  • 25-05-2023 04:24:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7710, 12.9500 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
Cerreto di Spoleto PG 6 1075 1075
Poggiodomo PG 7 117 1192
Vallo di Nera PG 7 364 1556
Cascia PG 8 3217 4773
Sant'Anatolia di Narco PG 10 564 5337
Scheggino PG 12 461 5798
Norcia PG 12 4957 10755
Monteleone di Spoleto PG 13 599 11354
Sellano PG 13 1079 12433
Preci PG 14 724 13157
Campello sul Clitunno PG 15 2442 15599
Spoleto PG 18 38218 53817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
59 Km SE of Perugia (166134 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
63 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 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 0.5 2023-05-25
02:24:00
42.7707 12.95 10 2023-05-25
02:37:20
Sala Sismica INGV-Roma 117698571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-25 02:24:00 ± 0.05
Latitude 42.7707 ± 0.0027
Longitude 12.9500 ± 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 117698571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 283
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117698571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-25 02:37:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2023-05-25T02:24:13.32 0.1 undecidable manual S 143 36.1416 50 0.25 91
IV.ASSB.HHE. 2023-05-25T02:24:13.59 0.1 undecidable manual S 322 38.3283 50 -0.06 94
IV.MMO1.EHE. 2023-05-25T02:24:12.38 0.1 undecidable manual S 65 33.8439 50 -0.06 95
IV.MOMA.HNN. 2023-05-25T02:24:11.84 0.1 undecidable manual S 277 31.1466 50 0.11 95
IV.FDMO.HHZ. 2023-05-25T02:24:11.91 0.1 undecidable manual S 21 31.5462 50 0.08 95
IV.CESI.HHZ. 2023-05-25T02:24:10.49 0.1 undecidable manual S 352 26.2515 50 0.06 96
7F.SIB3.EHE. 2023-05-25T02:24:10.86 0.1 undecidable manual S 66 28.5492 50 -0.16 94
IV.ASSB.HHE. 2023-05-25T02:24:08.14 0.1 undecidable manual P 322 38.3283 50 -0.06 94
IV.LNSS.HHZ. 2023-05-25T02:24:08.41 0.1 undecidable manual S 158 19.9689 117 -0.13 96
IV.FDMO.HHZ. 2023-05-25T02:24:07.14 0.6 positive manual P 21 31.5462 50 -0.01 48
IV.MOMA.HNN. 2023-05-25T02:24:07.13 0.6 undecidable manual P 277 31.1466 50 0.04 48
IV.RM33.EHZ. 2023-05-25T02:24:07.86 0.1 undecidable manual P 143 36.1416 50 0 96
IV.MMO1.EHE. 2023-05-25T02:24:07.52 0.6 undecidable manual P 65 33.8439 50 0.02 48
IV.CESI.HHZ. 2023-05-25T02:24:06.33 0.6 positive manual P 352 26.2515 50 -0.01 49
7F.SIB3.EHE. 2023-05-25T02:24:06.79 0.1 undecidable manual P 66 28.5492 50 0.11 95
IV.GAVE.EHZ. 2023-05-25T02:24:05.64 0.1 undecidable manual S 208 9.7791 136 -0.01 100
IV.ARRO.EHE. 2023-05-25T02:24:05.94 0.1 undecidable manual P 215 26.0517 50 -0.36 90
IV.LNSS.HHZ. 2023-05-25T02:24:05.36 0.3 negative manual P 158 19.9689 117 0.11 72
IV.GAVE.EHZ. 2023-05-25T02:24:03.90 0.6 undecidable manual P 208 9.7791 136 0.32 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:0.9 0.00009712594 0.1008 AML other m 2023-05-25T02:24:05.92
IV.GAVE.EHE. ML:0.9 0.00009705 0.2 AML other m 2023-05-25T02:24:06.48
IV.LNSS.HHE. ML:0.5 0.000023950365 0.12 AML other m 2023-05-25T02:24:09.08
IV.LNSS.HHN. ML:0.4 0.00001851955 0.1392 AML other m 2023-05-25T02:24:09.16
IV.FDMO.HHE. ML:0.3 0.000009078932500000001 0.2208 AML other m 2023-05-25T02:24:11.00
IV.FDMO.HHN. ML:0.0 0.000006471204499999999 0.16 AML other m 2023-05-25T02:24:11.00
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