Earthquake with magnitude of ML 1.6 on date 15-04-2020 and time 15:20:11 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km E Norcia (PG), on

  • 15-04-2020 13:20:11 (UTC)
  • 15-04-2020 15:20:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 13.17 at 10 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 7 4957 4957
Castelsantangelo sul Nera MC 8 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 12 724 7140
Montegallo AP 14 523 7663
Visso MC 14 1107 8770
Ussita MC 14 444 9214
Montemonaco AP 16 604 9818
Accumoli RI 16 667 10485
Cascia PG 17 3217 13702
Montefortino FM 20 1178 14880
Bolognola MC 20 142 15022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NE 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
Bulletin
Rev1000
ML 1.6 2020-04-15
13:20:11
42.82 13.17 10 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78315351
Reviewed
Rev100
ML 1.6 2020-04-15
13:20:11
42.82 13.18 9 2020-04-15
13:32:06
Sala Sismica INGV-Roma 78240831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-15 13:20:11 ± 0.05
Latitude 42.82 ± 0.00
Longitude 13.17 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78315351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.50902
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 78315351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-17 10:57:28

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 78240831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-15 13:32:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
RF.GEPF.HHZ. 2020-04-15T13:21:55.99 3.0 undecidable manual Sg 10.73 0
IV.MRLC.HHZ. 2020-04-15T13:21:31.58 3.0 undecidable manual Sg 11.8 0
IV.PZUN.HHZ. 2020-04-15T13:21:29.02 3.0 undecidable manual Sn 3.31 0
IV.APRC.HHZ. 2020-04-15T13:21:12.78 3.0 undecidable manual Sg 8.04 0
IV.EUCT.HNZ. 2020-04-15T13:21:10.57 3.0 undecidable manual Pn 3.57 0
IV.PAOL.HHZ. 2020-04-15T13:21:05.80 3.0 undecidable manual Sn 1.41 0
OX.CIMO.HHZ. 2020-04-15T13:21:03.21 3.0 negative manual Pn -0.68 0
IV.PIEI.HHZ. 2020-04-15T13:20:41.42 3.0 undecidable manual S -0.59 0
IV.RMP.HHZ. 2020-04-15T13:20:27.66 3.0 negative manual P 0.96 0
IV.APEC.HHZ. 2020-04-15T13:20:27.48 3.0 negative manual P -0.66 0
IV.RM33.EHZ. 2020-04-15T13:20:23.19 0.3 undecidable manual S 174 0.3148 50 -0.05 70
IV.MF5.EHZ. 2020-04-15T13:20:22.56 0.3 undecidable manual S 52 0.2689 50 0.68 63
IV.CSP1.EHZ. 2020-04-15T13:20:21.77 0.1 undecidable manual S 5 0.2707 50 -0.15 93
IV.CESI.HHZ. 2020-04-15T13:20:21.99 0.3 undecidable manual S 313 0.2662 50 0.19 71
IV.EL6.EHZ. 2020-04-15T13:20:21.58 0.3 undecidable manual P 354 0.509 50 0.15 68
IV.LNSS.HHZ. 2020-04-15T13:20:20.92 0.3 undecidable manual S 203 0.2392 110 0.03 73
IV.GIGS.HHZ. 2020-04-15T13:20:20.62 0.1 undecidable manual P 141 0.473 50 -0.2 89
IV.T1299.HNN. 2020-04-15T13:20:20.17 0.1 undecidable manual S 156 0.205 113 0.49 88
IV.FDMO.HHZ. 2020-04-15T13:20:20.22 0.3 undecidable manual S 344 0.2221 111 -0.06 73
IV.SMA1.EHE. 2020-04-15T13:20:20.30 0.3 undecidable manual S 148 0.2275 111 -0.15 72
IT.MTCL.HGZ. 2020-04-15T13:20:19.70 0.1 undecidable manual S 324 0.2122 112 -0.21 94
IV.ARRO.EHZ. 2020-04-15T13:20:19.47 0.3 undecidable manual P 231 0.384 50 0.18 70
IV.TERO.HHZ. 2020-04-15T13:20:18.82 0.1 undecidable manual P 122 0.3759 50 -0.34 88
IV.PF6.EHN. 2020-04-15T13:20:18.02 0.3 undecidable manual P 3 0.3157 50 -0.11 70
IV.RM33.EHZ. 2020-04-15T13:20:18.07 0.3 undecidable manual P 174 0.3148 50 -0.04 71
IV.CAMP.HHE. 2020-04-15T13:20:18.19 0.3 undecidable manual P 148 0.3363 50 -0.28 67
IV.SAP2.EHE. 2020-04-15T13:20:18.89 0.3 undecidable manual P 31 0.3211 50 0.67 62
IV.FEMA.HNZ. 2020-04-15T13:20:18.46 0.3 undecidable manual S 328 0.1646 117 0.2 71
IV.MML1.HNE. 2020-04-15T13:20:18.26 0.3 undecidable manual P 334 0.3247 50 -0.02 71
IV.MTRA.EHZ. 2020-04-15T13:20:18.50 0.3 undecidable manual S 111 0.179 116 -0.25 71
IV.CESI.HHZ. 2020-04-15T13:20:17.28 0.1 undecidable manual P 313 0.2662 50 0 96
IV.GUMA.HHZ. 2020-04-15T13:20:17.47 0.1 undecidable manual P 27 0.2689 50 0.14 95
IV.CSP1.EHZ. 2020-04-15T13:20:17.22 0.1 undecidable manual P 5 0.2707 50 -0.13 94
IV.MF5.EHZ. 2020-04-15T13:20:17.53 0.1 undecidable manual P 52 0.2689 50 0.2 94
IV.FDMO.HHZ. 2020-04-15T13:20:16.33 0.3 undecidable manual P 344 0.2221 111 -0.08 73
IV.SMA1.EHE. 2020-04-15T13:20:16.40 0.1 undecidable manual P 148 0.2275 111 -0.1 96
IV.MMO1.EHZ. 2020-04-15T13:20:16.97 0.1 undecidable manual S 56 0.1385 122 -0.41 93
IT.MTCL.HGZ. 2020-04-15T13:20:16.22 0.1 undecidable manual P 324 0.2122 112 0.03 98
IV.LNSS.HHZ. 2020-04-15T13:20:16.85 0.1 undecidable manual P 203 0.2392 110 0.1 96
IV.T1299.HNN. 2020-04-15T13:20:16.36 0.1 undecidable manual P 156 0.205 113 0.3 92
IV.FEMA.HNZ. 2020-04-15T13:20:15.44 0.1 undecidable manual P 328 0.1646 117 0.2 95
IV.MC2.EHZ. 2020-04-15T13:20:15.93 0.1 undecidable manual S 9 0.0899 134 0.04 99
IV.MTRA.EHZ. 2020-04-15T13:20:15.48 0.1 undecidable manual P 111 0.179 116 -0.04 99
IV.MC2.EHZ. 2020-04-15T13:20:14.04 0.1 positive manual P 9 0.0899 134 0.17 97
IV.MMO1.EHZ. 2020-04-15T13:20:14.68 0.1 positive manual P 56 0.1385 122 -0.05 99
IV.NRCA.HNZ. 2020-04-15T13:20:14.30 0.1 undecidable manual S 285 0.0423 154 -0.48 93
IV.NRCA.HNZ. 2020-04-15T13:20:13.27 0.1 negative manual P 285 0.0423 154 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2 0.001845 0.08 AML other m 2020-04-15T13:20:14.49
IV.NRCA.HNE. ML:2 0.001645 0.92 AML other m 2020-04-15T13:20:14.50
IV.NRCA.HHN. ML:2.2 0.003075 0.2 AML other m 2020-04-15T13:20:14.53
IV.NRCA.HNN. ML:2.2 0.00294 0.22 AML other m 2020-04-15T13:20:14.53
IV.MTRA.HNN. ML:1.6 0.00026700195 0.2048 AML other m 2020-04-15T13:20:19.35
IV.MTRA.EHN. ML:1.5 0.000241 0.2 AML other m 2020-04-15T13:20:19.35
IV.MTRA.HNE. ML:1.3 0.0001625883 0.1408 AML other m 2020-04-15T13:20:19.45
IV.MTRA.EHE. ML:1.4 0.000187 0.42 AML other m 2020-04-15T13:20:20.38
IV.FDMO.HHN. ML:1.4 0.000133 0.18 AML other m 2020-04-15T13:20:21.16
IV.LNSS.HHE. ML:1.9 0.0004625 0.16 AML other m 2020-04-15T13:20:21.35
IV.LNSS.HHN. ML:1.8 0.0003245 0.34 AML other m 2020-04-15T13:20:21.46
IV.FDMO.HHE. ML:1.2 8.965E-5 0.62 AML other m 2020-04-15T13:20:21.64
IV.CESI.HHE. ML:1.1 6.7E-5 0.9 AML other m 2020-04-15T13:20:22.68
IV.CESI.HHN. ML:1.4 0.000116 0.5 AML other m 2020-04-15T13:20:22.26
IV.CSP1.EHE. ML:1.7 0.0002645 0.5 AML other m 2020-04-15T13:20:22.40
IV.GUMA.HNE. ML:1.6 0.000218033 0.1664 AML other m 2020-04-15T13:20:22.84
IV.CSP1.EHN. ML:1.6 0.0001985 0.98 AML other m 2020-04-15T13:20:23.04
IV.GUMA.HHN. ML:1.7 0.000259 0.98 AML other m 2020-04-15T13:20:23.68
IV.GUMA.HHE. ML:1.7 0.0002375 0.6 AML other m 2020-04-15T13:20:23.85
IV.RM33.EHN. ML:1.4 0.0001025 0.88 AML other m 2020-04-15T13:20:23.43
IV.RM33.EHE. ML:1.4 0.000113 0.12 AML other m 2020-04-15T13:20:24.00
IV.TERO.HHN. ML:1.5 0.0001016 0.1 AML other m 2020-04-15T13:20:25.15
IV.TERO.HHE. ML:1.4 7.325E-5 0.12 AML other m 2020-04-15T13:20:25.45
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download