Earthquake with magnitude of ML 0.8 on date 25-01-2024 and time 04:39:40 (Italy) in region 11 km SE Valtopina (PG)

A magnitude ML 0.8 earthquake occured in region: 11 km SE Valtopina (PG), on

  • 25-01-2024 03:39:40 (UTC)
  • 25-01-2024 04:39:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9980, 12.8520 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
Valtopina PG 11 1398 1398
Serravalle di Chienti MC 12 1070 2468
Monte Cavallo MC 12 145 2613
Foligno PG 13 57155 59768
Sellano PG 14 1079 60847
Nocera Umbra PG 14 5839 66686
Spello PG 15 8645 75331
Trevi PG 16 8469 83800
Pieve Torina MC 17 1458 85258
Muccia MC 18 915 86173
Sefro MC 18 422 86595
Montefalco PG 20 5679 92274
Fiordimonte MC 20 202 92476

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
79 Km W of Teramo (54892 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km S of Fano (60888 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 0.8 2024-01-25
03:39:40
42.9977 12.8525 10 2024-01-25
04:28:54
Sala Sismica INGV-Roma 124842501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-25 03:39:40 ± 0.4
Latitude 42.9977 ± 0.0324
Longitude 12.8525 ± 0.0074
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124842501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3583
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 3580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17627
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 124842501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-25 04:28:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2024-01-25T03:40:47.88 3.0 undecidable manual Pg 10.15 0
MN.TRI.HHZ. 2024-01-25T03:40:25.08 3.0 positive manual Pn 3.77 0
IV.CQUE.HHZ. 2024-01-25T03:40:21.49 3.0 undecidable manual Sn -0.01 0
IV.FDMO.HHZ. 2024-01-25T03:39:48.00 0.6 undecidable manual S 77 19.5693 117 -0.28 47
IV.ASSB.HHZ. 2024-01-25T03:39:47.15 0.6 undecidable manual S 288 16.4724 121 -0.2 48
IV.FDMO.HHZ. 2024-01-25T03:39:44.99 0.6 positive manual P 77 19.5693 117 -0.08 49
IV.ASSB.HHZ. 2024-01-25T03:39:44.59 0.6 negative manual P 288 16.4724 121 0.05 49
IV.MML1.EHZ. 2024-01-25T03:39:44.98 1.0 undecidable manual P 37 16.0728 122 0.51 22
IV.CESI.HHZ. 2024-01-25T03:39:44.47 0.6 undecidable manual S 79 4.2957 156 0.05 50
IV.CESI.HHZ. 2024-01-25T03:39:42.94 0.1 undecidable manual P 79 4.2957 156 0.1 100
IV.SRES.HHZ. 2024-01-25T03:39:37.68 3.0 undecidable manual P -0.02 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.7 0.00009305 0.22 AML other m 2024-01-25T03:39:44.73
IV.CESI.HHN. ML:0.8 0.00010839999999999999 0.12 AML other m 2024-01-25T03:39:44.74
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