Earthquake with magnitude of ML 0.6 on date 25-06-2023 and time 22:42:43 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 0.6 earthquake occured in region: 5 km E Norcia (PG), on

  • 25-06-2023 20:42:43 (UTC)
  • 25-06-2023 22:42:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8140, 13.1500 at 5 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 5 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Visso MC 14 1107 8247
Ussita MC 15 444 8691
Montegallo AP 15 523 9214
Cascia PG 15 3217 12431
Accumoli RI 15 667 13098
Montemonaco AP 17 604 13702
Cerreto di Spoleto PG 19 1075 14777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NW of Chieti (51815 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 0.6 2023-06-25
20:42:43
42.8142 13.1505 5 2023-06-25
20:51:06
Sala Sismica INGV-Roma 118721681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-25 20:42:43 ± 0.08
Latitude 42.8142 ± 0.0027
Longitude 13.1505 ± 0.0037
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118721681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 149
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.32645
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118721681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-25 20:51:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-06-25T20:42:55.81 0.6 undecidable manual S 336 36.2415 97 -0.1 46
IV.SMA1.EHZ. 2023-06-25T20:42:52.11 0.6 undecidable manual S 143 25.3524 100 -0.07 48
IV.FDMO.HHZ. 2023-06-25T20:42:52.04 0.6 undecidable manual S 348 25.1526 100 -0.09 47
IV.GAVE.HNN. 2023-06-25T20:42:52.22 0.6 undecidable manual S 237 24.8529 101 0.19 46
IV.MML1.EHZ. 2023-06-25T20:42:50.38 1.0 negative manual P 336 36.2415 97 -0.18 23
IV.MMO1.EHZ. 2023-06-25T20:42:49.52 0.6 undecidable manual S 57 17.1717 105 0.11 48
IV.GAVE.HNN. 2023-06-25T20:42:48.41 0.1 undecidable manual P 237 24.8529 101 0.09 95
7F.SIB2.EHE. 2023-06-25T20:42:48.64 0.6 undecidable manual S 56 15.0738 107 -0.09 48
7F.SIB1.EHE. 2023-06-25T20:42:48.43 0.6 undecidable manual S 47 13.1757 109 0.33 46
IV.SMA1.EHZ. 2023-06-25T20:42:48.08 0.6 positive manual P 143 25.3524 100 -0.33 45
IV.FDMO.HHZ. 2023-06-25T20:42:48.26 1.0 negative manual P 348 25.1526 100 -0.12 24
7F.SIB3.EHE. 2023-06-25T20:42:47.60 0.6 undecidable manual S 55 11.877 111 -0.05 49
IV.MMO1.EHZ. 2023-06-25T20:42:46.69 0.6 negative manual P 57 17.1717 105 -0.12 48
7F.SIB2.EHE. 2023-06-25T20:42:46.22 0.1 undecidable manual P 56 15.0738 107 -0.19 94
7F.SIB1.EHE. 2023-06-25T20:42:46.29 0.1 undecidable manual P 47 13.1757 109 0.24 94
7F.SIB3.EHE. 2023-06-25T20:42:45.85 0.1 undecidable manual P 55 11.877 111 0.06 98
IV.NRCA.HHZ. 2023-06-25T20:42:45.14 0.6 undecidable manual S 306 3.5964 142 -0.15 49
IV.NRCA.HHZ. 2023-06-25T20:42:44.43 0.1 undecidable manual P 306 3.5964 142 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.002339697 0.1152 AML other m 2023-06-25T20:42:45.33
IV.NRCA.HHN. ML:0.0 0.001262248 0.1024 AML other m 2023-06-25T20:42:46.23
IV.MMO1.EHE. ML:0.9 0.00006844604999999999 0.1664 AML other m 2023-06-25T20:42:50.16
IV.MMO1.EHN. ML:0.8 0.00006560812 0.4096 AML other m 2023-06-25T20:42:50.86
IV.FDMO.HHE. ML:0.5 0.00002221861 0.2048 AML other m 2023-06-25T20:42:53.67
IV.FDMO.HHN. ML:0.5 0.000019066014999999998 0.1664 AML other m 2023-06-25T20:42:53.32
IV.MML1.EHE. ML:0.6 0.000013306945000000001 0.1408 AML other m 2023-06-25T20:42:56.83
IV.MML1.EHN. ML:0.6 0.00001376342 0.1536 AML other m 2023-06-25T20:42:56.04
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