Earthquake with magnitude of ML 1.0 on date 23-05-2024 and time 02:44:46 (UTC) in region 1 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.0 earthquake occured in region: 1 km SE Cerreto di Spoleto (PG), on

  • 23-05-2024 02:44:46 (UTC)
  • 23-05-2024 04:44:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8140, 12.9230 at 13 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 1 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 8 1079 2518
Poggiodomo PG 11 117 2635
Sant'Anatolia di Narco PG 11 564 3199
Campello sul Clitunno PG 12 2442 5641
Preci PG 12 724 6365
Cascia PG 13 3217 9582
Scheggino PG 13 461 10043
Norcia PG 14 4957 15000
Trevi PG 16 8469 23469
Spoleto PG 17 38218 61687
Monteleone di Spoleto PG 18 599 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 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 1.0 2024-05-23
02:44:46
42.8142 12.9228 13 2024-05-23
02:54:57
Sala Sismica INGV-Roma 128066581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-23 02:44:46 ± 0.1
Latitude 42.8142 ± 0.0045
Longitude 12.9228 ± 0.0098
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 128066581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 799
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 128066581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-23 02:54:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2024-05-23T02:45:00.48 0.6 undecidable manual S 145 41.3253 94 0.21 48
IV.SMA1.EHZ. 2024-05-23T02:45:00.24 0.6 undecidable manual S 121 39.3273 94 0.52 45
IV.FDMO.HHZ. 2024-05-23T02:44:56.60 0.6 undecidable manual S 28 28.0497 97 -0.13 49
IV.LNSS.HHZ. 2024-05-23T02:44:55.67 0.6 undecidable manual S 158 25.3524 99 -0.34 47
IV.RM33.EHZ. 2024-05-23T02:44:54.31 0.1 undecidable manual P 145 41.3253 94 -0.25 93
IV.CESI.HHZ. 2024-05-23T02:44:54.96 0.6 undecidable manual S 356 21.2676 102 0.03 51
IV.SMA1.EHZ. 2024-05-23T02:44:54.21 0.3 undecidable manual P 121 39.3273 94 -0.03 73
IV.ASSB.HHZ. 2024-05-23T02:44:53.37 0.1 undecidable manual P 320 33.2445 95 0.06 98
IV.MOMA.HHZ. 2024-05-23T02:44:52.56 0.3 undecidable manual P 100
IV.GAVE.EHZ. 2024-05-23T02:44:52.94 0.6 undecidable manual S 190 13.6752 118 -0.11 51
IV.FDMO.HHZ. 2024-05-23T02:44:52.44 0.1 undecidable manual P 28 28.0497 97 -0.08 99
IV.NRCA.HHZ. 2024-05-23T02:44:52.84 0.6 undecidable manual S 100
IV.CESI.HHZ. 2024-05-23T02:44:51.57 0.1 undecidable manual P 356 21.2676 102 0.09 100
IV.LNSS.HHZ. 2024-05-23T02:44:51.98 0.1 undecidable manual P 158 25.3524 99 -0.12 99
IV.NRCA.HHZ. 2024-05-23T02:44:50.40 0.1 undecidable manual P 100
IV.GAVE.EHZ. 2024-05-23T02:44:50.52 0.1 undecidable manual P 190 13.6752 118 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.5 0.000259 0.34 AML other m 2024-05-23T02:44:53.22
IV.GAVE.EHN. ML:1.4 0.000248 0.28 AML other m 2024-05-23T02:44:53.58
IV.CESI.HHN. ML:0.9 0.00004825 0.24 AML other m 2024-05-23T02:44:55.26
IV.CESI.HHE. ML:0.7 0.000033600000000000004 0.36 AML other m 2024-05-23T02:44:55.28
IV.LNSS.HHE. ML:1.0 0.0000621 0.68 AML other m 2024-05-23T02:44:56.94
IV.LNSS.HHN. ML:0.9 0.000044550000000000005 1.24 AML other m 2024-05-23T02:44:56.16
IV.FDMO.HHN. ML:1.1 0.000059000000000000004 0.14 AML other m 2024-05-23T02:44:56.81
IV.FDMO.HHE. ML:0.8 0.00003515 1.2 AML other m 2024-05-23T02:44:56.25
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