Earthquake with magnitude of ML 0.8 on date 21-03-2024 and time 21:40:19 (UTC) in region 7 km NW Ferentillo (TR)

A magnitude ML 0.8 earthquake occured in region: 7 km NW Ferentillo (TR), on

  • 21-03-2024 21:40:19 (UTC)
  • 21-03-2024 22:40:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 12.7350 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
Ferentillo TR 7 1913 1913
Spoleto PG 7 38218 40131
Montefranco TR 8 1276 41407
Scheggino PG 9 461 41868
Arrone TR 10 2763 44631
Sant'Anatolia di Narco PG 11 564 45195
Polino TR 13 233 45428
Terni TR 14 111501 156929
Vallo di Nera PG 15 364 157293
Acquasparta TR 16 4778 162071
San Gemini TR 17 5018 167089
Labro RI 17 374 167463
Poggiodomo PG 17 117 167580
Campello sul Clitunno PG 17 2442 170022
Castel Ritaldi PG 18 3278 173300
Morro Reatino RI 18 373 173673
Monteleone di Spoleto PG 18 599 174272
Colli sul Velino RI 19 533 174805
Rivodutri RI 20 1253 176058
Stroncone TR 20 4917 180975

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Terni (111501 inhabitants)
32 Km S of Foligno (57155 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
59 Km E of Viterbo (67173 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
74 Km N of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
79 Km W of Teramo (54892 inhabitants)
89 Km N of Roma (2864731 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 2024-03-21
21:40:19
42.67 12.7348 10 2024-03-21
21:46:11
Sala Sismica INGV-Roma 126040931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-21 21:40:19 ± 0.04
Latitude 42.6700 ± 0.0018
Longitude 12.7348 ± 0.0024
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 126040931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 226
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
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 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44786
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 126040931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-21 21:46:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PP3.EHZ. 2024-03-21T21:40:37.21 3.0 negative manual P -0.07 0
IV.FAGN.HHZ. 2024-03-21T21:40:36.22 3.0 undecidable manual P 2.22 0
IV.FDMO.HHZ. 2024-03-21T21:40:35.86 0.6 undecidable manual S 35 49.7169 50 0.26 45
IV.ASSB.HHZ. 2024-03-21T21:40:33.61 0.6 undecidable manual S 352 41.8248 50 0.13 47
IV.RM33.EHZ. 2024-03-21T21:40:33.79 0.6 undecidable manual S 114 43.0236 50 -0.02 48
IV.CESI.HHZ. 2024-03-21T21:40:32.92 0.3 undecidable manual S 20 39.627 50 0.02 72
IV.NRCA.HHZ. 2024-03-21T21:40:31.76 0.6 undecidable manual S 59 35.8419 50 -0.13 48
IV.LNSS.HHZ. 2024-03-21T21:40:29.17 0.3 undecidable manual S 107 26.0517 50 -0.09 73
IV.FDMO.HHZ. 2024-03-21T21:40:28.68 0.1 undecidable manual P 35 49.7169 50 -0.16 92
ZO.PDN12.EHZ. 2024-03-21T21:40:28.04 0.3 undecidable manual S 42 22.3554 114 -0.06 74
IV.SMA1.EHZ. 2024-03-21T21:40:28.99 1.0 undecidable manual P 95 49.2174 50 0.24 23
IV.ASSB.HHZ. 2024-03-21T21:40:27.67 0.3 positive manual P 352 41.8248 50 0.05 72
IV.RM33.EHZ. 2024-03-21T21:40:27.94 0.6 undecidable manual P 114 43.0236 50 0.13 47
IV.MOMA.HNN. 2024-03-21T21:40:27.38 0.3 undecidable manual S 318 20.0688 116 0.02 75
IV.CESI.HHZ. 2024-03-21T21:40:27.27 0.1 negative manual P 20 39.627 50 -0.01 97
IV.NRCA.HHZ. 2024-03-21T21:40:26.53 1.0 undecidable manual P 59 35.8419 50 -0.17 24
IV.CESX.HHZ. 2024-03-21T21:40:25.30 0.3 undecidable manual S 241 13.875 126 -0.23 73
IV.GAVE.EHZ. 2024-03-21T21:40:25.27 0.3 undecidable manual S 79 13.1757 127 -0.08 75
IV.ARRO.EHZ. 2024-03-21T21:40:24.74 0.6 undecidable manual S 166 10.3785 134 0.15 50
IV.LNSS.HHZ. 2024-03-21T21:40:24.91 1.0 undecidable manual P 107 26.0517 50 -0.28 23
IV.MOMA.HNN. 2024-03-21T21:40:24.14 0.3 undecidable manual P 318 20.0688 116 0.05 74
ZO.PDN12.EHZ. 2024-03-21T21:40:24.46 0.1 undecidable manual P 42 22.3554 114 -0.05 99
IV.GAVE.EHZ. 2024-03-21T21:40:23.00 0.1 undecidable manual P 79 13.1757 127 0.08 100
IV.ARRO.EHZ. 2024-03-21T21:40:22.84 0.6 undecidable manual P 166 10.3785 134 0.36 47
IV.CESX.HHZ. 2024-03-21T21:40:22.98 1.0 undecidable manual P 241 13.875 126 -0.05 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.8 0.0000859 0.18 AML other m 2024-03-21T21:40:25.37
IV.CESX.HHN. ML:1.0 0.00011535 1.36 AML other m 2024-03-21T21:40:26.76
IV.CESX.HHE. ML:1.0 0.00009425 0.88 AML other m 2024-03-21T21:40:26.66
IV.GAVE.EHN. ML:1.0 0.0001175 0.48 AML other m 2024-03-21T21:40:26.37
IV.ARRO.EHN. ML:0.8 0.00007355 0.52 AML other m 2024-03-21T21:40:26.60
IV.GAVE.EHE. ML:1.0 0.00010965 1.82 AML other m 2024-03-21T21:40:26.05
IV.LNSS.HHE. ML:0.8 0.000041299999999999994 1.08 AML other m 2024-03-21T21:40:30.37
IV.NRCA.HHN. ML:1.3 0.00007725 0.14 AML other m 2024-03-21T21:40:32.47
IV.NRCA.HHE. ML:1.1 0.0000445 0.14 AML other m 2024-03-21T21:40:32.49
IV.LNSS.HHN. ML:0.8 0.00003635 1 AML other m 2024-03-21T21:40:32.66
IV.ASSB.HHN. ML:0.7 0.00001723 0.5 AML other m 2024-03-21T21:40:34.94
IV.RM33.EHE. ML:0.8 0.00002064 1.1 AML other m 2024-03-21T21:40:35.74
IV.RM33.EHN. ML:0.7 0.0000155 1.42 AML other m 2024-03-21T21:40:35.20
IV.ASSB.HHE. ML:0.7 0.00001270655265 0.12 AML other m 2024-03-21T21:40:35.44
IV.CESI.HHE. ML:0.8 0.0000179209995 0.1 AML other m 2024-03-21T21:40:33.75
IV.CESI.HHN. ML:0.8 0.000017504315 0.26 AML other m 2024-03-21T21:40:33.15
IV.FDMO.HHE. ML:0.8 0.000012605587999999999 0.24 AML other m 2024-03-21T21:40:37.75
IV.FDMO.HHN. ML:0.6 0.000010479616000000001 0.18 AML other m 2024-03-21T21:40:36.71
IV.SMA1.EHE. ML:0.8 0.000016121274999999996 0.22 AML other m 2024-03-21T21:40:37.48
IV.SMA1.EHN. ML:0.9 0.000019724925 0.28 AML other m 2024-03-21T21:40:38.20
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