Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 07-02-2024 and time 17:57:27 (Italy) in region 1 km SE Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 1 km SE Norcia (PG), on

  • 07-02-2024 16:57:27 (UTC)
  • 07-02-2024 17:57:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.0990 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.

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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
Norcia PG 1 4957 4957
Cascia PG 10 3217 8174
Preci PG 11 724 8898
Castelsantangelo sul Nera MC 13 281 9179
Cerreto di Spoleto PG 15 1075 10254
Poggiodomo PG 16 117 10371
Accumoli RI 16 667 11038
Visso MC 16 1107 12145
Arquata del Tronto AP 16 1178 13323
Ussita MC 18 444 13767
Sellano PG 18 1079 14846
Monteleone di Spoleto PG 19 599 15445
Vallo di Nera PG 19 364 15809
Cittareale RI 20 482 16291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
100 Km W of Chieti (51815 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 0.7 2024-02-07
16:57:27		 42.7878 13.0992 10 2024-02-07
17:36:23		 Sala Sismica INGV-Roma 125100761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-07 16:57:27 ± 0.02
Latitude 42.7878 ± 0.0018
Longitude 13.0992 ± 0.0025
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 125100761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 164
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 148
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 125100761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-07 17:36:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.VNF1.HNZ. 2024-02-07T16:57:52.67 3.0 negative manual P -0.05 0
IV.ATPI.EHZ. 2024-02-07T16:57:44.81 3.0 positive manual P 0.4 0
IV.CSP1.EHZ. 2024-02-07T16:57:39.59 0.6 undecidable manual S 14 34.743 50 0.12 47
IV.RM33.EHZ. 2024-02-07T16:57:38.84 0.6 undecidable manual S 163 32.3454 50 0.03 48
IV.FDMO.HHZ. 2024-02-07T16:57:37.26 0.6 undecidable manual S 358 27.5502 50 -0.28 46
IV.CESI.HHZ. 2024-02-07T16:57:37.74 0.6 undecidable manual S 327 28.749 50 -0.13 48
IV.SMA1.EHZ. 2024-02-07T16:57:37.25 0.6 undecidable manual S 132 25.9518 50 0.13 48
IV.MMO1.EHZ. 2024-02-07T16:57:36.01 0.6 undecidable manual S 56 22.2555 114 0.01 49
IV.MTRA.HNE. 2024-02-07T16:57:36.61 0.6 undecidable manual S 98 24.4533 112 -0.09 48
IV.GAVE.HNN. 2024-02-07T16:57:35.17 0.6 undecidable manual S 238 19.7691 117 -0.05 49
IV.LNSS.HHZ. 2024-02-07T16:57:35.46 0.6 undecidable manual S 193 21.0678 116 -0.17 48
IV.TERO.HHZ. 2024-02-07T16:57:35.82 3.0 positive manual P 0.17 0
IV.MF5.EHZ. 2024-02-07T16:57:35.10 3.0 positive manual P 0.48 0
IV.MML1.EHZ. 2024-02-07T16:57:34.98 1.0 undecidable manual P 344 37.5291 50 0.14 23
IV.MOMA.HNZ. 2024-02-07T16:57:34.15 3.0 negative manual P -2.01 0
IV.CSP1.EHZ. 2024-02-07T16:57:34.44 0.1 undecidable manual P 14 34.743 50 0.03 96
IV.SMA1.EHZ. 2024-02-07T16:57:33.09 0.1 undecidable manual P 132 25.9518 50 0.03 98
IV.FDMO.HHZ. 2024-02-07T16:57:33.28 0.1 undecidable manual P 358 27.5502 50 -0.02 98
ZO.PDN12.EHE. 2024-02-07T16:57:33.92 0.6 undecidable manual S 284 15.2736 124 0.05 50
IV.CESI.HHZ. 2024-02-07T16:57:33.43 1.0 positive manual P 327 28.749 50 -0.06 24
IV.RM33.EHZ. 2024-02-07T16:57:33.85 1.0 negative manual P 163 32.3454 50 -0.19 23
IV.MTRA.HNE. 2024-02-07T16:57:32.78 0.1 undecidable manual P 98 24.4533 112 -0.04 98
IV.GAVE.HNN. 2024-02-07T16:57:32.00 0.1 undecidable manual P 238 19.7691 117 0.03 99
IV.LNSS.HHZ. 2024-02-07T16:57:32.19 0.3 negative manual P 193 21.0678 116 -0.01 74
IV.MMO1.EHZ. 2024-02-07T16:57:32.40 0.3 positive manual P 56 22.2555 114 -0.01 74
IV.NRCA.HHZ. 2024-02-07T16:57:31.34 0.6 undecidable manual S 14 5.1948 153 -0.12 50
ZO.PDN12.EHE. 2024-02-07T16:57:31.24 0.1 undecidable manual P 284 15.2736 124 0.06 99
ZO.PDN11.EHE. 2024-02-07T16:57:30.85 0.6 undecidable manual S 105 1.7982 170 -0.23 49
IV.NRCA.HHZ. 2024-02-07T16:57:29.99 0.1 undecidable manual P 14 5.1948 153 0.19 98
ZO.PDN11.EHE. 2024-02-07T16:57:29.69 0.1 undecidable manual P 105 1.7982 170 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.1 0.00009715 0.22 AML other m 2024-02-07T16:57:35.91
IV.LNSS.HHN. ML:1.3 0.00013550000000000001 0.18 AML other m 2024-02-07T16:57:36.23
IV.SMA1.EHN. ML:1.0 0.00005485 0.2 AML other m 2024-02-07T16:57:38.21
IV.SMA1.EHE. ML:0.8 0.00004025 1.5 AML other m 2024-02-07T16:57:38.91
IV.MMO1.EHE. ML:0.7 0.000028369519999999998 0.1024 AML other m 2024-02-07T16:57:37.36
IV.MMO1.EHN. ML:0.7 0.000036273995 0.32 AML other m 2024-02-07T16:57:36.11
IV.FDMO.HHE. ML:0.6 0.000018273999999999998 0.2176 AML other m 2024-02-07T16:57:37.63
IV.FDMO.HHN. ML:0.4 0.000014895285 0.0768 AML other m 2024-02-07T16:57:38.76
IV.CESI.HHE. ML:0.3 0.0000114643425 0.1792 AML other m 2024-02-07T16:57:38.34
IV.CESI.HHN. ML:0.9 0.000038733464999999995 0.3072 AML other m 2024-02-07T16:57:37.91
IV.RM33.EHN. ML:0.7 0.000021366055000000002 0.192 AML other m 2024-02-07T16:57:39.05
IV.MML1.EHE. ML:0.4 0.0000110797905 0.2176 AML other m 2024-02-07T16:57:41.77
IV.MML1.EHN. ML:0.4 0.0000123761405 0.192 AML other m 2024-02-07T16:57:41.56
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