Earthquake with magnitude of ML 1.4 on date 30-09-2020 and time 18:32:27 (Italy) in region 2 km W Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km W Norcia (PG), on

  • 30-09-2020 16:32:27 (UTC)
  • 30-09-2020 18:32:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7890, 13.0680 at 11 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
Cascia PG 9 3217 8174
Preci PG 10 724 8898
Cerreto di Spoleto PG 13 1075 9973
Castelsantangelo sul Nera MC 14 281 10254
Poggiodomo PG 14 117 10371
Visso MC 16 1107 11478
Sellano PG 16 1079 12557
Vallo di Nera PG 17 364 12921
Accumoli RI 18 667 13588
Monteleone di Spoleto PG 18 599 14187
Ussita MC 18 444 14631
Arquata del Tronto AP 19 1178 15809
Sant'Anatolia di Narco PG 20 564 16373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
94 Km N of Tivoli (56533 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
Reviewed
Rev100
ML 1.4 2020-09-30
16:32:27
42.7893 13.0685 11 2020-09-30
17:06:10
Sala Sismica INGV-Roma 83392531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-30 16:32:27 ± 0.04
Latitude 42.7893 ± 0.0027
Longitude 13.0685 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83392531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 326
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54049
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 83392531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-30 17:06:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2020-09-30T16:34:16.60 3.0 undecidable manual Sg 20.4 0
IV.SARZ.HHZ. 2020-09-30T16:34:10.83 3.0 undecidable manual Sg 14.22 0
CH.BERNI.HHZ. 2020-09-30T16:34:08.37 3.0 undecidable manual Sn -1.92 0
GU.RORO.HHZ. 2020-09-30T16:34:04.75 3.0 undecidable manual Sn 2.64 0
IV.TDS.HHZ. 2020-09-30T16:33:58.18 3.0 undecidable manual Sn -4.92 0
MN.TRI.HHZ. 2020-09-30T16:33:51.95 3.0 undecidable manual Sg 13 0
IV.CMPR.HHZ. 2020-09-30T16:33:50.79 3.0 undecidable manual Sg 11.84 0
GU.GSCL.HHZ. 2020-09-30T16:33:37.10 3.0 undecidable manual Sg 11.5 0
IV.BIOG.HHZ. 2020-09-30T16:33:29.03 3.0 undecidable manual Sg 9.18 0
IV.GATE.HHZ. 2020-09-30T16:33:19.94 3.0 undecidable manual Sg 8.44 0
IV.IMOL.HNZ. 2020-09-30T16:33:17.72 3.0 undecidable manual Sg 5.61 0
IV.EUCT.HNZ. 2020-09-30T16:33:16.08 3.0 undecidable manual Pn 0.99 0
IV.PCN.HNZ. 2020-09-30T16:33:15.88 3.0 undecidable manual Pg 6.66 0
IV.CMPR.HHZ. 2020-09-30T16:33:13.01 3.0 undecidable manual Pg 8.78 0
IV.RONT.HHZ. 2020-09-30T16:33:08.57 3.0 undecidable manual Sn -0.08 0
IV.RNI2.HHZ. 2020-09-30T16:32:58.35 3.0 undecidable manual Sn -0.53 0
IV.ARVD.HHZ. 2020-09-30T16:32:41.60 3.0 undecidable manual Sn -2.65 0
IV.EL6.EHZ. 2020-09-30T16:32:38.04 0.6 undecidable manual P 3 59.9955 90 -0.04 46
IV.CESI.HHZ. 2020-09-30T16:32:37.03 0.6 undecidable manual S 331 27.3504 90 -0.15 47
IV.ATCC.EHZ. 2020-09-30T16:32:37.60 1.0 undecidable manual Sn -2 0.48
IV.TERO.HHZ. 2020-09-30T16:32:36.10 0.6 undecidable manual P 113 47.4192 90 -0.04 47
IV.FDMO.HHZ. 2020-09-30T16:32:36.98 0.3 undecidable manual S 3 27.4503 90 -0.22 71
IV.MMO1.EHZ. 2020-09-30T16:32:36.34 0.3 undecidable manual S 60 24.2535 90 -0.02 72
IV.LNSS.HHZ. 2020-09-30T16:32:35.44 0.6 undecidable manual S 186 20.868 90 0.01 48
IV.MOMA.HHZ. 2020-09-30T16:32:35.18 1.0 undecidable manual P 272 40.626 90 0.09 24
IV.GAVE.EHZ. 2020-09-30T16:32:34.93 0.6 undecidable manual S 233 17.871 90 0.3 48
IV.MC2.EHZ. 2020-09-30T16:32:34.44 0.6 undecidable manual S 36 16.6722 90 0.11 47
IV.CSP1.EHZ. 2020-09-30T16:32:34.26 0.3 undecidable manual P 18 35.3424 90 -0.02 71
IV.CESI.HHZ. 2020-09-30T16:32:33.13 0.6 undecidable manual P 331 27.3504 90 0.08 48
IV.SMA1.EHZ. 2020-09-30T16:32:33.12 1.0 undecidable manual P 129 27.9498 90 -0.03 24
IV.ARRO.EHZ. 2020-09-30T16:32:33.23 1.0 undecidable manual P 227 33.9438 90 -0.84 18
IV.MTRA.EHZ. 2020-09-30T16:32:32.89 0.6 undecidable manual P 98 26.9508 90 -0.1 48
IV.LNSS.HHZ. 2020-09-30T16:32:32.06 0.1 undecidable manual P 186 20.868 90 0.01 97
IV.FDMO.HHZ. 2020-09-30T16:32:32.94 0.1 undecidable manual P 3 27.4503 90 -0.13 96
IV.MMO1.EHZ. 2020-09-30T16:32:32.61 0.1 undecidable manual P 60 24.2535 90 0.03 96
IV.MC2.EHZ. 2020-09-30T16:32:31.43 0.1 undecidable manual P 36 16.6722 90 0.02 97
IV.NRCA.HNZ. 2020-09-30T16:32:31.59 0.3 undecidable manual S 37 6.1938 141 -0.23 73
IV.GAVE.EHZ. 2020-09-30T16:32:31.84 0.1 undecidable manual P 233 17.871 90 0.26 95
IV.FAGN.HHZ. 2020-09-30T16:32:31.33 3.0 undecidable manual Pn -0.76 0
IV.NRCA.HNZ. 2020-09-30T16:32:29.96 0.1 undecidable manual P 37 6.1938 141 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.7 0.0007035 0.16 AML other m 2020-09-30T16:32:31.74
IV.NRCA.HHN. ML:1.5 0.0005434999999999999 0.56 AML other m 2020-09-30T16:32:32.61
IV.GAVE.EHN. ML:1.6 0.000317 0.32 AML other m 2020-09-30T16:32:35.05
IV.GAVE.EHE. ML:1.7 0.00039200000000000004 0.3 AML other m 2020-09-30T16:32:35.86
IV.LNSS.HHN. ML:1.4 0.00016 1.82 AML other m 2020-09-30T16:32:35.93
IV.LNSS.HHE. ML:1.4 0.00016 0.56 AML other m 2020-09-30T16:32:36.29
IV.MTRA.EHE. ML:1.4 0.0001375 0.72 AML other m 2020-09-30T16:32:37.34
IV.CESI.HHN. ML:1.5 0.000154 0.38 AML other m 2020-09-30T16:32:37.37
IV.FDMO.HHN. ML:1.5 0.000154 0.86 AML other m 2020-09-30T16:32:37.63
IV.FDMO.HHE. ML:1.4 0.0001185 0.86 AML other m 2020-09-30T16:32:37.66
IV.CESI.HHE. ML:1.2 0.00008274999999999999 0.12 AML other m 2020-09-30T16:32:37.89
IV.MTRA.EHN. ML:1.3 0.0001077 0.44 AML other m 2020-09-30T16:32:37.61
IV.SMA1.EHN. ML:1.3 0.0000963 0.42 AML other m 2020-09-30T16:32:38.61
IV.ARRO.EHN. ML:1.0 0.000043249999999999994 1.06 AML other m 2020-09-30T16:32:39.35
IV.RM33.EHN. ML:1.2 0.0000579 0.42 AML other m 2020-09-30T16:32:39.33
IV.RM33.EHE. ML:1.2 0.00005985 1.2 AML other m 2020-09-30T16:32:40.93
IV.ARRO.EHE. ML:1.1 0.000056550000000000006 1.8 AML other m 2020-09-30T16:32:40.94
IV.CSP1.EHE. ML:1.5 0.00013550000000000001 1.08 AML other m 2020-09-30T16:32:41.00
IV.SMA1.EHE. ML:1.4 0.00011949999999999999 0.72 AML other m 2020-09-30T16:32:41.06
IV.CSP1.EHN. ML:1.6 0.0001486 1.12 AML other m 2020-09-30T16:32:41.10
IV.MOMA.HHE. ML:1.5 0.00011375 0.2 AML other m 2020-09-30T16:32:42.61
IV.ASSB.HHE. ML:1.3 0.0000596 1.16 AML other m 2020-09-30T16:32:42.04
IV.MOMA.HHN. ML:1.3 0.00006355 0.14 AML other m 2020-09-30T16:32:42.75
IV.TERO.HHE. ML:1.2 0.00004245 0.76 AML other m 2020-09-30T16:32:43.07
IV.TERO.HHN. ML:1.3 0.00005395 0.08 AML other m 2020-09-30T16:32:43.52
IV.ASSB.HHN. ML:1.3 0.000060650000000000004 0.22 AML other m 2020-09-30T16:32:43.64
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