Earthquake with magnitude of ML 0.9 on date 01-01-2020 and time 05:34:10 (Italy) in region 5 km SW Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km SW Norcia (PG), on

  • 01-01-2020 04:34:10 (UTC)
  • 01-01-2020 05:34:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7570, 13.0620 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 5 4957 4957
Cascia PG 6 3217 8174
Poggiodomo PG 12 117 8291
Cerreto di Spoleto PG 14 1075 9366
Preci PG 14 724 10090
Monteleone di Spoleto PG 15 599 10689
Vallo di Nera PG 16 364 11053
Accumoli RI 17 667 11720
Castelsantangelo sul Nera MC 17 281 12001
Cittareale RI 17 482 12483
Sellano PG 18 1079 13562
Sant'Anatolia di Narco PG 19 564 14126
Arquata del Tronto AP 19 1178 15304
Scheggino PG 19 461 15765
Visso MC 20 1107 16872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
54 Km W of Teramo (54892 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 Km W of Pescara (121014 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 0.9 2020-01-01
04:34:10
42.7573 13.0623 11 2020-07-18
21:08:22
Bollettino Sismico Italiano INGV 76864971
Reviewed
Rev100
ML 1.0 2020-01-01
04:34:10
42.7452 13.0828 10 2020-01-01
04:43:04
Sala Sismica INGV-Roma 75158821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-01 04:34:10 ± 0.03
Latitude 42.7573 ± 0.0018
Longitude 13.0623 ± 0.0024
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 76864971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 217
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 75158821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-01 04:43:04

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76864971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 11:50:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2020-01-01T04:35:13.50 3.0 undecidable manual Sg 19.690001 0
IV.FIR.HHZ. 2020-01-01T04:34:57.03 3.0 undecidable manual Sg -0.93 0
IV.ASSB.HHZ. 2020-01-01T04:34:25.27 0.6 undecidable manual S 314 45.621 50 0.03 48
IV.ARRO.EHZ. 2020-01-01T04:34:21.42 0.6 undecidable manual S 231 31.2465 50 0 49
IV.MTRA.EHE. 2020-01-01T04:34:20.11 0.6 undecidable manual S 90 27.2505 50 -0.24 47
IV.MMO1.EHZ. 2020-01-01T04:34:20.05 0.6 undecidable manual S 54 26.6511 50 -0.15 48
IV.RM33.EHZ. 2020-01-01T04:34:20.97 0.6 undecidable manual S 156 30.2475 50 -0.18 48
IV.SMA1.EHN. 2020-01-01T04:34:20.47 0.6 undecidable manual S 122 26.3514 50 0.36 46
IV.ASSB.HHZ. 2020-01-01T04:34:19.14 0.3 undecidable manual P 314 45.621 50 0.14 70
IV.T1299.HNN. 2020-01-01T04:34:19.15 0.6 undecidable manual S 127 22.5552 50 0.05 49
IV.MC2.EHZ. 2020-01-01T04:34:18.21 0.6 undecidable manual S 31 19.9689 118 -0.08 50
IV.VIVA.HHZ. 2020-01-01T04:34:18.59 3.0 negative manual P 0.03 0
IV.LNSS.HHZ. 2020-01-01T04:34:17.37 0.6 undecidable manual S 186 17.2716 121 -0.1 50
IV.SMA1.EHN. 2020-01-01T04:34:16.16 0.3 undecidable manual P 122 26.3514 50 0.12 73
IV.ARRO.EHZ. 2020-01-01T04:34:16.69 0.3 undecidable manual P 231 31.2465 50 -0.11 72
IV.MTRA.EHE. 2020-01-01T04:34:16.28 0.3 undecidable manual P 90 27.2505 50 0.1 73
IV.MMO1.EHZ. 2020-01-01T04:34:16.02 0.3 undecidable manual P 54 26.6511 50 -0.07 73
IV.GAVE.EHZ. 2020-01-01T04:34:16.83 0.6 undecidable manual S 242 15.4734 124 -0.13 49
IV.RM33.EHZ. 2020-01-01T04:34:16.53 0.1 undecidable manual P 156 30.2475 50 -0.11 97
IV.T1299.HNN. 2020-01-01T04:34:15.48 0.3 undecidable manual P 127 22.5552 50 0.03 75
IV.MC2.EHZ. 2020-01-01T04:34:15.03 0.1 undecidable manual P 31 19.9689 118 0.04 100
IV.NRCA.HNZ. 2020-01-01T04:34:15.21 0.3 undecidable manual S 27 9.4794 138 -0.15 75
IV.GAVE.EHZ. 2020-01-01T04:34:14.29 0.1 undecidable manual P 242 15.4734 124 0.07 100
IV.LNSS.HHZ. 2020-01-01T04:34:14.56 0.1 undecidable manual P 186 17.2716 121 0.05 100
IV.NRCA.HNZ. 2020-01-01T04:34:13.43 0.1 undecidable manual P 27 9.4794 138 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.2 0.0001324526 0.2176 AML other m 2020-01-01T04:34:17.29
IV.GAVE.HNE. ML:1.2 0.00014202241000000002 0.0512 AML other m 2020-01-01T04:34:17.60
IV.GAVE.EHE. ML:1.1 0.000108399655 0.16 AML other m 2020-01-01T04:34:17.71
IV.RM33.HNE. ML:1.6 0.000176978305 0.0192 AML other m 2020-01-01T04:34:18.52
IV.RM33.EHN. ML:0.6 0.00002031755 0.1184 AML other m 2020-01-01T04:34:25.64
IV.RM33.HNN. ML:1.5 0.00015553035 0.0704 AML other m 2020-01-01T04:34:27.14
IV.RM33.EHE. ML:0.6 0.000021512175000000002 0.5408 AML other m 2020-01-01T04:34:27.87
IV.ASSB.HHN. ML:0.8 0.00001905006 1.2 AML other m 2020-01-01T04:34:28.82
IV.ASSB.HHE. ML:0.7 0.000017109770000000005 0.3584 AML other m 2020-01-01T04:34:31.28
IV.GAVE.HNN. ML:1.4 0.00020892205 0.7392 AML other m 2020-01-01T04:34:34.60
IV.ARRO.EHN. ML:0.6 0.00001750843 0.6592 AML other m 2020-01-01T04:34:35.24
IV.ARRO.EHE. ML:0.6 0.000018679645000000003 0.0992 AML other m 2020-01-01T04:34:45.31
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