Earthquake with magnitude of ML 1.0 on date 22-02-2024 and time 00:51:40 (UTC) in region 4 km W Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km W Norcia (PG), on

  • 22-02-2024 00:51:40 (UTC)
  • 22-02-2024 01:51:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7760, 13.0480 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
Cascia PG 7 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 12 724 9015
Cerreto di Spoleto PG 12 1075 10090
Vallo di Nera PG 15 364 10454
Monteleone di Spoleto PG 16 599 11053
Castelsantangelo sul Nera MC 16 281 11334
Sellano PG 16 1079 12413
Visso MC 18 1107 13520
Sant'Anatolia di Narco PG 18 564 14084
Accumoli RI 19 667 14751
Scheggino PG 19 461 15212
Cittareale RI 20 482 15694

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
95 Km W of Montesilvano (53738 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 1.0 2024-02-22
00:51:40
42.7755 13.0477 11 2024-02-22
01:43:42
Sala Sismica INGV-Roma 125432251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-22 00:51:40 ± 0.18
Latitude 42.7755 ± 0.0081
Longitude 13.0477 ± 0.0147
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125432251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1229
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 125432251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-22 01:43:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HNZ. 2024-02-22T00:52:06.33 3.0 undecidable manual P 0.15 0
IV.CESI.HHZ. 2024-02-22T00:51:51.14 0.6 undecidable manual S 335 27.9498 90 0.53 58
IV.RM33.EHZ. 2024-02-22T00:51:51.83 0.6 undecidable manual S 155 32.5452 90 0 62
IV.MMO1.EHZ. 2024-02-22T00:51:49.84 0.6 undecidable manual S 59 26.5512 91 -0.38 58
IV.LNSS.HHZ. 2024-02-22T00:51:48.18 0.6 undecidable manual S 182 19.1697 91 -0.08 64
IV.ASSB.HHZ. 2024-02-22T00:51:48.11 0.1 positive manual P 313 43.3233 90 -0.67 100
IV.CESI.HHZ. 2024-02-22T00:51:47.15 0.6 undecidable manual P 335 27.9498 90 0.74 54
IV.RM33.EHZ. 2024-02-22T00:51:47.02 1.0 undecidable manual P 155 32.5452 90 -0.1 31
IV.MMO1.EHZ. 2024-02-22T00:51:46.20 1.0 undecidable manual P 59 26.5512 91 0.01 31
IV.LNSS.HHZ. 2024-02-22T00:51:45.23 0.3 undecidable manual P 182 19.1697 91 0.17 92
IV.NRCA.HHZ. 2024-02-22T00:51:45.57 0.6 undecidable manual S 40 8.3805 129 0.04 65
IV.NRCA.HHZ. 2024-02-22T00:51:43.79 1.0 undecidable manual P 40 8.3805 129 0.31 31
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.00006840000000000001 0.08 AML other m 2024-02-22T00:51:45.67
IV.NRCA.HHE. ML:0.8 0.0000751 0.16 AML other m 2024-02-22T00:51:45.71
IV.LNSS.HHE. ML:0.5 0.000024650000000000003 0.66 AML other m 2024-02-22T00:51:48.58
IV.LNSS.HHN. ML:0.5 0.000024500000000000003 0.8 AML other m 2024-02-22T00:51:48.67
IV.ASSB.HHE. ML:1.4 0.0000821 0.78 AML other m 2024-02-22T00:51:50.29
IV.CESI.HHE. ML:1.0 0.000054800000000000004 0.66 AML other m 2024-02-22T00:51:51.40
IV.ASSB.HHN. ML:1.4 0.0000799 0.74 AML other m 2024-02-22T00:51:51.67
IV.CESI.HHN. ML:1.0 0.00005255 0.08 AML other m 2024-02-22T00:51:51.44
IV.ATCC.EHE. ML:1.0 0.000027049999999999997 0.44 AML other m 2024-02-22T00:51:55.55
IV.ATCC.EHN. ML:1.2 0.000033600000000000004 1.1 AML other m 2024-02-22T00:51:56.00
IV.FDMO.HHN. ML:0.8 0.00002885 0.52 AML other m 2024-02-22T00:51:56.01
IV.FDMO.HHE. ML:0.6 0.00002205 0.42 AML other m 2024-02-22T00:51:56.44
IV.CERA.HNN. ML:3.0 0.000522 1.02 AML other m 2024-02-22T00:52:41.51
IV.CERA.HNE. ML:3.0 0.000579 1.02 AML other m 2024-02-22T00:52:41.51
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