Earthquake with magnitude of ML 1.1 on date 24-02-2024 and time 14:45:46 (UTC) in region 4 km NW Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Norcia (PG), on

  • 24-02-2024 14:45:46 (UTC)
  • 24-02-2024 15:45:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8290, 13.0750 at 11 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
Norcia PG 4 4957 4957
Preci PG 6 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Visso MC 12 1107 7069
Cerreto di Spoleto PG 13 1075 8144
Cascia PG 13 3217 11361
Sellano PG 14 1079 12440
Ussita MC 14 444 12884
Poggiodomo PG 17 117 13001
Vallo di Nera PG 19 364 13365
Arquata del Tronto AP 19 1178 14543
Monte Cavallo MC 19 145 14688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 1.1 2024-02-24
14:45:46
42.8288 13.0752 11 2024-02-24
14:54:49
Sala Sismica INGV-Roma 125524201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-24 14:45:46 ± 0.04
Latitude 42.8288 ± 0.0027
Longitude 13.0752 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125524201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 125524201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-24 14:54:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPZF.HHZ. 2024-02-24T14:47:20.90 3.0 undecidable manual Pg 15.9 0
IV.SGAL.EHZ. 2024-02-24T14:47:20.84 3.0 undecidable manual Sn -0.2 0
IV.PTRP.HHZ. 2024-02-24T14:47:17.58 3.0 undecidable manual Sn -1.06 0
IV.PZUN.HHZ. 2024-02-24T14:47:14.07 3.0 undecidable manual Sn 0.9 0
IV.MPNC.HHZ. 2024-02-24T14:47:12.03 3.0 undecidable manual Pg 9.59 0
IV.GRI.EHZ. 2024-02-24T14:47:02.25 3.0 positive manual Pn 3.07 0
IV.MOCO.HHZ. 2024-02-24T14:46:52.00 3.0 undecidable manual Sn -0.19 0
IV.RIBO.EHZ.01 2024-02-24T14:46:35.39 3.0 undecidable manual S 1.13 0
IV.MURB.HHZ. 2024-02-24T14:46:05.24 3.0 undecidable manual S -3.04 0
IV.SRES.HHZ. 2024-02-24T14:46:00.62 3.0 negative manual Pg -0.57 0
IV.CSP1.EHZ. 2024-02-24T14:45:57.30 0.6 undecidable manual S 20 31.0467 50 0 48
IV.LNSS.HHZ. 2024-02-24T14:45:55.70 0.6 undecidable manual S 186 25.2525 50 -0.05 48
IV.CESI.HHZ. 2024-02-24T14:45:55.15 0.6 undecidable manual S 325 23.9538 50 -0.26 46
IV.FDMO.HHZ. 2024-02-24T14:45:54.94 0.6 undecidable manual S 2 23.0547 50 -0.23 47
IV.RM33.EHZ. 2024-02-24T14:45:53.56 0.1 undecidable manual P 162 37.2294 50 -0.15 93
IV.CSP1.EHZ. 2024-02-24T14:45:52.80 1.0 undecidable manual P 20 31.0467 50 0.05 24
IV.CESI.HHZ. 2024-02-24T14:45:51.63 0.6 positive manual P 325 23.9538 50 -0.03 48
IV.MMO1.HNZ. 2024-02-24T14:45:51.20 0.1 undecidable manual P 69 21.9669 50 -0.14 95
IV.LNSS.HHZ. 2024-02-24T14:45:51.87 0.6 positive manual P 186 25.2525 50 0.02 48
IV.FDMO.HHZ. 2024-02-24T14:45:51.60 0.6 positive manual P 2 23.0547 50 0.08 48
ZO.PDN12.EHZ. 2024-02-24T14:45:50.05 0.1 undecidable manual P 266 12.876 130 0.14 96
IV.NRCA.HHZ. 2024-02-24T14:45:50.38 0.6 undecidable manual S 81 3.1968 163 -0.09 49
7F.SIB1.HNZ. 2024-02-24T14:45:50.66 0.1 undecidable manual P 65 17.4714 122 0.01 98
IV.MC2.EHZ. 2024-02-24T14:45:50.15 0.1 undecidable manual P 45 13.0758 130 0.22 95
7F.SIB2.EHZ. 2024-02-24T14:45:50.97 0.1 undecidable manual P 70 19.869 50 -0.05 97
ZO.PDN11.EHZ. 2024-02-24T14:45:49.06 0.1 undecidable manual P 144 6.1938 150 0.02 100
IV.NRCA.HHZ. 2024-02-24T14:45:48.88 0.1 undecidable manual P 81 3.1968 163 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.00030114 0.0576 AML other m 2024-02-24T14:45:50.50
IV.NRCA.HHN. ML:1.5 0.0005445 0.08 AML other m 2024-02-24T14:45:50.39
IV.NRCA.HNE. ML:1.2 0.000265966575 0.0704 AML other m 2024-02-24T14:45:50.51
IV.NRCA.HNN. ML:1.5 0.00050033265 0.0704 AML other m 2024-02-24T14:45:50.39
IV.CESI.HNE. ML:1.2 0.00008679364000000001 0.7296 AML other m 2024-02-24T14:45:54.25
IV.CESI.HNN. ML:1.2 0.00009317956 0.7616 AML other m 2024-02-24T14:46:04.38
IV.CESI.HHE. ML:0.6 0.000025843699999999998 0.9792 AML other m 2024-02-24T14:46:01.61
IV.CESI.HHN. ML:0.4 0.000012921295 0.1024 AML other m 2024-02-24T14:45:57.05
IV.LNSS.HHE. ML:0.5 0.000020739105 0.1024 AML other m 2024-02-24T14:45:55.81
IV.LNSS.HHN. ML:0.6 0.000025264493499999997 0.1408 AML other m 2024-02-24T14:45:56.20
IV.LNSS.HNE. ML:1.2 0.000093746405 0.8256 AML other m 2024-02-24T14:46:04.41
IV.LNSS.HNN. ML:1.4 0.00013481178500000001 0.5184 AML other m 2024-02-24T14:45:57.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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