Earthquake with magnitude of ML 0.7 on date 24-07-2020 and time 04:32:43 (Italy) in region 4 km W Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km W Norcia (PG), on

  • 24-07-2020 02:32:43 (UTC)
  • 24-07-2020 04:32:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 13.0500 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
Norcia PG 4 4957 4957
Cascia PG 8 3217 8174
Preci PG 11 724 8898
Cerreto di Spoleto PG 12 1075 9973
Poggiodomo PG 12 117 10090
Castelsantangelo sul Nera MC 15 281 10371
Vallo di Nera PG 15 364 10735
Sellano PG 16 1079 11814
Monteleone di Spoleto PG 17 599 12413
Visso MC 17 1107 13520
Sant'Anatolia di Narco PG 18 564 14084
Accumoli RI 19 667 14751
Scheggino PG 19 461 15212
Ussita MC 20 444 15656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
91 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 0.7 2020-07-24
02:32:43
42.7825 13.0495 11 2020-07-24
02:41:05
Sala Sismica INGV-Roma 81289571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-24 02:32:43 ± 0.05
Latitude 42.7825 ± 0.0027
Longitude 13.0495 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81289571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 16
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) 0.32915
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 81289571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-24 02:41:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.HNZ. 2020-07-24T02:34:15.57 3.0 negative manual Pg 7.25 0
IV.HVZN.HNZ. 2020-07-24T02:34:03.58 3.0 undecidable manual Pn -3.48 0
AC.VLO.HHZ. 2020-07-24T02:34:01.01 3.0 undecidable manual Pn -2.61 0
IV.ROSPO.HHZ. 2020-07-24T02:33:54.90 3.0 undecidable manual Sg 6.52 0
IV.CLTA.HHZ. 2020-07-24T02:33:48.47 3.0 undecidable manual Pn -9.99 0
CH.MUGIO.HHZ. 2020-07-24T02:33:41.69 3.0 undecidable manual Sn -1.01 0
IV.CMPR.HHZ. 2020-07-24T02:33:40.25 3.0 undecidable manual Pg 8.55 0
IV.MCRV.HHZ. 2020-07-24T02:33:20.22 3.0 undecidable manual Pn -5.64 0
IV.ROSPO.HHZ. 2020-07-24T02:33:16.10 3.0 undecidable manual Pg 5.43 0
IV.NDIM.HHZ. 2020-07-24T02:33:10.00 3.0 undecidable manual S 6.04 0
IV.CSP1.EHZ. 2020-07-24T02:32:56.06 0.6 undecidable manual S 20 36.5412 50 0.06 48
IV.RM33.EHZ. 2020-07-24T02:32:55.25 0.6 undecidable manual S 156 33.2445 50 0.15 48
IV.MMO1.EHZ. 2020-07-24T02:32:53.00 0.6 undecidable manual S 60 26.0517 50 -0.18 48
IV.FDMO.HHZ. 2020-07-24T02:32:53.64 0.3 undecidable manual S 6 28.3494 50 -0.17 72
IV.LAV9.HHZ. 2020-07-24T02:32:53.31 3.0 positive manual P -8.44 0
IV.LNSS.HHZ. 2020-07-24T02:32:51.29 0.3 undecidable manual S 182 19.9689 118 -0.17 73
IV.MC2.EHZ. 2020-07-24T02:32:51.16 0.3 undecidable manual S 38 18.2706 120 0.22 72
IV.GAVE.EHZ. 2020-07-24T02:32:50.33 0.6 undecidable manual S 232 16.1727 123 0.01 50
IV.RM33.EHZ. 2020-07-24T02:32:50.41 1.0 undecidable manual P 156 33.2445 50 0.15 24
IV.CSP1.EHZ. 2020-07-24T02:32:50.87 1.0 undecidable manual P 20 36.5412 50 0.09 24
IV.FDMO.HHZ. 2020-07-24T02:32:49.51 1.0 negative manual P 6 28.3494 50 0 25
IV.MMO1.EHZ. 2020-07-24T02:32:49.08 1.0 negative manual P 60 26.0517 50 -0.07 24
IV.MC2.EHZ. 2020-07-24T02:32:48.10 0.6 undecidable manual P 38 18.2706 120 0.24 48
IV.LNSS.HHZ. 2020-07-24T02:32:48.17 0.1 undecidable manual P 182 19.9689 118 0.01 100
IV.GAVE.EHZ. 2020-07-24T02:32:47.69 1.0 negative manual P 232 16.1727 123 0.19 24
IV.VIVA.HHZ. 2020-07-24T02:32:47.99 3.0 negative manual P -9.99 0
IV.NRCA.HHZ. 2020-07-24T02:32:47.92 0.3 undecidable manual S 43 7.6812 143 -0.23 73
IV.NRCA.HHZ. 2020-07-24T02:32:46.30 1.0 undecidable manual P 43 7.6812 143 0.05 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.0 0.00008015 0.48 AML other m 2020-07-24T02:32:50.72
IV.GAVE.EHN. ML:0.7 0.00004215 0.24 AML other m 2020-07-24T02:32:50.81
IV.LNSS.HHE. ML:0.7 0.000034500000000000005 0.1 AML other m 2020-07-24T02:32:52.50
IV.LNSS.HHN. ML:0.6 0.0000283 0.68 AML other m 2020-07-24T02:32:52.23
IV.FDMO.HHE. ML:0.5 0.00001375 0.4 AML other m 2020-07-24T02:32:54.03
IV.FDMO.HHN. ML:0.7 0.000022499999999999998 0.32 AML other m 2020-07-24T02:32:54.16
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