Earthquake with magnitude of ML 0.2 on date 19-04-2020 and time 03:46:14 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 0.2 earthquake occured in region: 6 km E Norcia (PG), on

  • 19-04-2020 01:46:14 (UTC)
  • 19-04-2020 03:46:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7680, 13.1560 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 6 4957 4957
Accumoli RI 11 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 13 3217 10019
Castelsantangelo sul Nera MC 14 281 10300
Preci PG 16 724 11024
Cittareale RI 17 482 11506
Montegallo AP 17 523 12029
Amatrice RI 19 2657 14686
Visso MC 19 1107 15793
Poggiodomo PG 19 117 15910
Ussita MC 20 444 16354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km W of Chieti (51815 inhabitants)
99 Km SW of Ancona (100861 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
Bulletin
Rev1000
ML 0.2 2020-04-19
01:46:14
42.7683 13.1557 11 2020-07-18
21:08:35
Bollettino Sismico Italiano INGV 78716111
Reviewed
Rev100
ML 0.3 2020-04-19
01:46:14
42.7657 13.1473 10 2020-04-19
01:53:43
Sala Sismica INGV-Roma 78369541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-19 01:46:14 ± 0.06
Latitude 42.7683 ± 0.0027
Longitude 13.1557 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78716111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.44696
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 78716111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-01 07:37:44

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 78369541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-19 01:53:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-04-19T01:46:26.85 0.3 undecidable manual S 6 36.1416 50 -0.03 73
IV.CESI.HNZ. 2020-04-19T01:46:26.09 0.3 undecidable manual S 322 33.2445 50 -0.02 73
IV.MF5.EHZ. 2020-04-19T01:46:26.91 1.0 undecidable manual S 45 34.743 50 0.41 22
IV.RM33.EHZ. 2020-04-19T01:46:25.01 0.3 undecidable manual S 170 29.1486 50 -0.01 74
IV.FDMO.HHZ. 2020-04-19T01:46:25.27 0.6 undecidable manual S 349 30.2475 50 -0.05 49
IV.CESX.HHE. 2020-04-19T01:46:24.56 0.6 undecidable manual P 249 49.617 50 0.72 39
IV.MOMA.HNZ. 2020-04-19T01:46:23.41 1.0 undecidable manual P 275 47.8188 50 -0.15 23
IV.LNSS.HNE. 2020-04-19T01:46:22.84 0.3 undecidable manual S 207 20.6682 50 0.1 74
IV.SMA1.EHZ. 2020-04-19T01:46:22.86 0.6 undecidable manual S 136 21.1677 50 -0.03 50
IV.T1299.EHZ. 2020-04-19T01:46:22.20 0.3 undecidable manual S 145 18.0708 50 0.13 74
IV.MMO1.EHZ. 2020-04-19T01:46:22.56 0.1 undecidable manual S 44 20.1687 50 -0.05 99
IV.MF5.EHZ. 2020-04-19T01:46:22.00 0.6 undecidable manual P 45 34.743 50 0.47 44
IV.MC2.EHZ. 2020-04-19T01:46:21.65 0.3 undecidable manual S 10 16.0728 124 0.15 73
IV.CSP1.EHZ. 2020-04-19T01:46:21.34 0.6 undecidable manual P 6 36.1416 50 -0.41 45
IV.CESI.HNZ. 2020-04-19T01:46:21.70 0.3 undecidable manual P 322 33.2445 50 0.39 68
IV.ARRO.EHZ. 2020-04-19T01:46:21.77 0.1 undecidable manual P 237 38.1285 50 -0.29 92
IV.FDMO.HHZ. 2020-04-19T01:46:20.59 0.3 undecidable manual P 349 30.2475 50 -0.26 70
IV.RM33.EHZ. 2020-04-19T01:46:20.59 0.3 undecidable manual P 170 29.1486 50 -0.09 73
IV.NRCA.HHZ. 2020-04-19T01:46:19.29 0.1 undecidable manual S 335 7.9809 144 -0.15 99
IV.MMO1.EHZ. 2020-04-19T01:46:19.25 0.1 undecidable manual P 44 20.1687 50 -0.04 100
IV.LNSS.HNE. 2020-04-19T01:46:19.30 0.1 undecidable manual P 207 20.6682 50 -0.06 99
IV.SMA1.EHZ. 2020-04-19T01:46:19.63 0.6 undecidable manual P 136 21.1677 50 0.18 48
IV.MTRA.HNZ. 2020-04-19T01:46:18.84 0.6 undecidable manual P 94 19.6692 50 -0.38 46
IV.MC2.EHZ. 2020-04-19T01:46:18.65 0.3 undecidable manual P 10 16.0728 124 0.01 76
IV.T1299.EHZ. 2020-04-19T01:46:18.84 0.6 undecidable manual P 145 18.0708 50 -0.14 49
IV.NRCA.HHZ. 2020-04-19T01:46:17.57 0.1 undecidable manual P 335 7.9809 144 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.2 0.000009311710500000001 1.64 AML other m 2020-04-19T01:46:23.01
IV.SMA1.EHE. ML:0.2 0.000009524147499999999 0.12 AML other m 2020-04-19T01:46:24.08
IV.RM33.EHN. ML:0.0 0.0000071819435 0.12 AML other m 2020-04-19T01:46:25.74
IV.RM33.EHE. ML:0.3 0.000008760220000000001 0.22 AML other m 2020-04-19T01:46:25.87
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