Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 21-02-2024 and time 18:33:04 (UTC) in region 8 km SE Valtopina (PG)

A magnitude ML 0.2 earthquake occured in region: 8 km SE Valtopina (PG), on

  • 21-02-2024 18:33:04 (UTC)
  • 21-02-2024 19:33:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0020, 12.8240 at 17 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
Valtopina PG 9 1398 1398
Foligno PG 11 57155 58553
Spello PG 12 8645 67198
Nocera Umbra PG 13 5839 73037
Serravalle di Chienti MC 13 1070 74107
Monte Cavallo MC 15 145 74252
Sellano PG 15 1079 75331
Trevi PG 15 8469 83800
Montefalco PG 18 5679 89479
Assisi PG 19 28299 117778
Bevagna PG 19 5081 122859
Pieve Torina MC 19 1458 124317
Sefro MC 19 422 124739
Cannara PG 20 4305 129044

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
51 Km N of Terni (111501 inhabitants)
81 Km W of Teramo (54892 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
92 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 0.2 2024-02-21
18:33:04		 43.0023 12.8238 17 2024-02-21
18:56:34		 Sala Sismica INGV-Roma 125428331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-21 18:33:04 ± 0.12
Latitude 43.0023 ± 0.0090
Longitude 12.8238 ± 0.0049
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125428331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 999
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 125428331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-21 18:56:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2024-02-21T18:33:47.95 3.0 undecidable manual S 0.39 0
IV.CSNT.HHZ. 2024-02-21T18:33:45.96 3.0 undecidable manual S -0.37 0
IV.RIBO.EHZ.01 2024-02-21T18:33:29.48 3.0 undecidable manual Pg 0.14 0
IV.CAMP.HHZ. 2024-02-21T18:33:27.06 3.0 undecidable manual S 0.4 0
IV.CAMP.HHZ. 2024-02-21T18:33:18.65 3.0 undecidable manual P 1.43 0
IV.CSP1.EHZ. 2024-02-21T18:33:16.10 0.3 undecidable manual S 72 32.4453 107 0.12 69
IV.FDMO.HHZ. 2024-02-21T18:33:13.20 0.3 undecidable manual S 80 21.6672 118 -0.12 72
IV.GAVE.HNN. 2024-02-21T18:33:12.04 1.0 undecidable manual P 171 34.8429 105 0.5 22
IV.MML1.EHZ. 2024-02-21T18:33:12.24 0.3 undecidable manual S 44 17.1717 126 -0.06 74
IV.ARRO.EHZ. 2024-02-21T18:33:12.78 1.0 undecidable manual P 186 47.2194 100 -0.61 20
IV.CSP1.EHZ. 2024-02-21T18:33:11.16 0.1 undecidable manual P 72 32.4453 107 -0.02 96
IV.ASSB.HHZ. 2024-02-21T18:33:11.67 0.6 undecidable manual S 289 14.0748 133 0.01 49
IV.CESI.HHZ. 2024-02-21T18:33:10.36 0.3 undecidable manual S 87 6.5934 155 -0.11 74
IV.SNTG.HHZ. 2024-02-21T18:33:10.54 1.0 undecidable manual P 19 29.5482 109 -0.22 23
IV.FDMO.HHZ. 2024-02-21T18:33:09.64 0.1 undecidable manual P 80 21.6672 118 0 97
IV.MML1.EHZ. 2024-02-21T18:33:09.06 0.1 undecidable manual P 44 17.1717 126 0.01 98
IV.CESI.HHZ. 2024-02-21T18:33:08.01 0.1 undecidable manual P 87 6.5934 155 0.01 100
IV.ASSB.HHZ. 2024-02-21T18:33:08.74 0.1 undecidable manual P 289 14.0748 133 0.06 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.0 0.000012278445999999998 0.0512 AML other m 2024-02-21T18:33:10.95
IV.CESI.HHN. ML:-0.3 0.0000072645239999999995 0.2432 AML other m 2024-02-21T18:33:10.39
IV.ASSB.HHE. ML:0.5 0.00002375787 0.1792 AML other m 2024-02-21T18:33:11.91
IV.ASSB.HHN. ML:0.3 0.000016782015500000002 0.1792 AML other m 2024-02-21T18:33:11.75
IV.MML1.EHE. ML:0.2 0.000010149611 0.1408 AML other m 2024-02-21T18:33:12.42
IV.MML1.EHN. ML:0.4 0.000013844159 0.1536 AML other m 2024-02-21T18:33:12.35
IV.FDMO.HHE. ML:0.2 0.0000101621025 0.2048 AML other m 2024-02-21T18:33:13.50
IV.FDMO.HHN. ML:0.2 0.00001149373 0.1664 AML other m 2024-02-21T18:33:13.48
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