Earthquake with magnitude of ML 0.8 on date 22-03-2020 and time 03:38:18 (UTC) in region 2 km E Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 2 km E Norcia (PG), on

  • 22-03-2020 03:38:18 (UTC)
  • 22-03-2020 04:38:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.1200 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 2 4957 4957
Preci PG 12 724 5681
Castelsantangelo sul Nera MC 12 281 5962
Cascia PG 12 3217 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 17 1075 13206
Ussita MC 17 444 13650
Poggiodomo PG 18 117 13767
Montegallo AP 18 523 14290
Sellano PG 19 1079 15369
Cittareale RI 20 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 Km NW 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 0.8 2020-03-22
03:38:18
42.7927 13.1197 10 2020-03-22
03:46:01
Sala Sismica INGV-Roma 77450501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 03:38:18 ± 0.05
Latitude 42.7927 ± 0.0027
Longitude 13.1197 ± 0.0037
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 77450501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 77450501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 03:46:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-03-22T03:38:30.24 0.3 undecidable manual S 12 33.9438 50 0.32 69
IV.CESI.HHZ. 2020-03-22T03:38:28.65 0.3 undecidable manual S 323 29.3484 50 -0.04 74
IV.EL6.EHZ. 2020-03-22T03:38:28.98 3.0 negative manual P -0.14 0
IV.FDMO.HHZ. 2020-03-22T03:38:27.88 0.3 undecidable manual S 354 27.1506 50 -0.24 71
IV.SMA1.EHZ. 2020-03-22T03:38:27.83 0.6 undecidable manual S 136 25.1526 111 0.35 47
IV.FEMA.HNZ. 2020-03-22T03:38:26.05 0.3 undecidable manual S 343 19.6692 116 0.32 71
IV.T1299.HNZ. 2020-03-22T03:38:26.60 0.3 undecidable manual S 143 21.9669 114 0.12 74
IV.LNSS.HHZ. 2020-03-22T03:38:26.49 0.3 undecidable manual S 197 22.0668 114 0.01 75
IV.MTRA.HNZ. 2020-03-22T03:38:26.60 0.3 undecidable manual S 100 22.8549 113 -0.16 73
IV.TERO.HHZ. 2020-03-22T03:38:26.10 3.0 positive manual P -0.2 0
IV.MMO1.EHZ. 2020-03-22T03:38:25.98 0.3 undecidable manual S 55 20.5683 115 -0.05 75
IV.CSP1.EHZ. 2020-03-22T03:38:25.02 0.3 undecidable manual P 12 33.9438 50 0.09 73
IV.RM33.EHZ. 2020-03-22T03:38:24.33 3.0 undecidable manual P 0.02 0
IV.CESI.HHZ. 2020-03-22T03:38:24.15 0.3 undecidable manual P 323 29.3484 50 -0.08 73
IV.SMA1.EHZ. 2020-03-22T03:38:23.36 0.3 undecidable manual P 136 25.1526 111 -0.17 72
IV.FDMO.HHZ. 2020-03-22T03:38:23.77 0.3 positive manual P 354 27.1506 50 -0.12 73
IT.MTCL.HGZ. 2020-03-22T03:38:23.28 0.3 undecidable manual P 336 24.3534 112 -0.1 74
IV.LNSS.HHZ. 2020-03-22T03:38:22.92 0.3 undecidable manual P 197 22.0668 114 -0.03 75
IV.MTRA.HNZ. 2020-03-22T03:38:22.98 0.3 undecidable manual P 100 22.8549 113 -0.13 73
IV.FEMA.HNZ. 2020-03-22T03:38:22.63 0.6 undecidable manual P 343 19.6692 116 0.12 49
IV.T1299.HNZ. 2020-03-22T03:38:22.97 0.1 undecidable manual P 143 21.9669 114 0.03 100
IV.MMO1.EHZ. 2020-03-22T03:38:22.75 0.3 undecidable manual P 55 20.5683 115 0.06 75
IV.NRCA.HNZ. 2020-03-22T03:38:21.60 0.3 undecidable manual S 354 4.5954 155 -0.26 74
IV.NRCA.HNZ. 2020-03-22T03:38:20.42 0.3 undecidable manual P 354 4.5954 155 0.14 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNN. ML:1.4 0.00017636194999999999 0.92 AML other m 2020-03-22T03:38:33.13
IV.LNSS.HHE. ML:0.9 0.000056172165 0.1408 AML other m 2020-03-22T03:38:26.74
IV.LNSS.HHN. ML:1.0 0.000076469125 0.1392 AML other m 2020-03-22T03:38:26.79
IV.LNSS.HNE. ML:1.0 0.000079064721 0.3504 AML other m 2020-03-22T03:38:29.19
IV.FDMO.HHE. ML:0.6 0.0000195351135 0.1792 AML other m 2020-03-22T03:38:30.98
IV.FDMO.HHN. ML:0.8 0.000027925544999999995 0.16 AML other m 2020-03-22T03:38:29.20
IV.CESI.HHE. ML:0.6 0.000017606734 0.08 AML other m 2020-03-22T03:38:29.51
IV.CESI.HHN. ML:0.7 0.000023150245 0.12 AML other m 2020-03-22T03:38:29.85
IV.RM33.EHE. ML:0.8 0.00002417892 0.12 AML other m 2020-03-22T03:38:29.86
IV.RM33.EHN. ML:0.7 0.00002057661 0.2016 AML other m 2020-03-22T03:38:29.79
IV.CSP1.EHE. ML:0.8 0.000025267655 0.3008 AML other m 2020-03-22T03:38:31.41
IV.SMA1.EHE. ML:0.8 0.000039407435 0.12 AML other m 2020-03-22T03:38:28.48
IV.SMA1.EHN. ML:0.8 0.000041040334999999996 0.56 AML other m 2020-03-22T03:38:32.15
IV.CSP1.EHN. ML:0.8 0.000026717845 2.28 AML other m 2020-03-22T03:38:30.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download