Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 05-01-2020 and time 08:52:18 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km E Norcia (PG), on

  • 05-01-2020 07:52:18 (UTC)
  • 05-01-2020 08:52:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.1560 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.

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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
Castelsantangelo sul Nera MC 12 281 5238
Arquata del Tronto AP 12 1178 6416
Accumoli RI 13 667 7083
Preci PG 14 724 7807
Cascia PG 14 3217 11024
Montegallo AP 16 523 11547
Visso MC 17 1107 12654
Ussita MC 17 444 13098
Montemonaco AP 19 604 13702
Cittareale RI 19 482 14184
Cerreto di Spoleto PG 20 1075 15259

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 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 1.2 2020-01-05
07:52:18		 42.7902 13.1563 10 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 75909801
Reviewed
Rev100 		ML 1.4 2020-01-05
07:52:18		 42.7888 13.1575 10 2020-01-05
07:58:20		 Sala Sismica INGV-Roma 75265461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-05 07:52:18 ± 0.06
Latitude 42.7902 ± 0.0027
Longitude 13.1563 ± 0.0049
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 75909801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
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) 82
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 75265461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-05 07:58:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 75909801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-27 10:37:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-01-05T07:52:48.55 3.0 undecidable manual S -0.73 0
IV.RM33.EHZ. 2020-01-05T07:52:29.06 0.3 undecidable manual S 171 31.5462 50 -0.17 71
IV.CSP1.EHZ. 2020-01-05T07:52:29.62 0.6 undecidable manual S 7 33.744 50 -0.19 47
IV.MF5.EHZ. 2020-01-05T07:52:29.94 0.3 undecidable manual S 48 33.0447 50 0.32 69
IT.MTCL.HGZ. 2020-01-05T07:52:27.30 0.3 undecidable manual S 331 25.9518 111 -0.4 68
IV.FDMO.HHZ. 2020-01-05T07:52:27.93 0.3 undecidable manual S 348 27.8499 50 -0.33 69
IV.SMA1.EHZ. 2020-01-05T07:52:26.57 0.3 undecidable manual S 140 22.9548 113 -0.16 72
IV.LNSS.HHZ. 2020-01-05T07:52:26.70 0.3 undecidable manual S 205 22.8549 113 0 75
IV.T1299.HNZ. 2020-01-05T07:52:26.07 0.3 undecidable manual S 149 20.0688 116 0.23 72
IV.GAVE.EHZ. 2020-01-05T07:52:26.98 0.3 undecidable manual S 243 23.9538 112 -0.08 73
IV.MTRA.EHZ. 2020-01-05T07:52:25.47 0.3 undecidable manual S 101 19.869 116 -0.31 71
IV.MMO1.EHZ. 2020-01-05T07:52:25.12 0.3 undecidable manual S 49 18.3705 118 -0.2 72
IV.MF5.EHZ. 2020-01-05T07:52:24.99 0.1 undecidable manual P 48 33.0447 50 0.25 93
IT.MTCL.HGZ. 2020-01-05T07:52:24.32 0.1 undecidable manual P 331 25.9518 111 0.69 83
IV.RM33.EHZ. 2020-01-05T07:52:24.52 0.1 undecidable manual P 171 31.5462 50 0 98
IV.MC2.EHZ. 2020-01-05T07:52:24.22 0.6 undecidable manual S 11 13.6752 126 0.29 48
IV.CSP1.EHZ. 2020-01-05T07:52:24.69 0.6 negative manual P 7 33.744 50 -0.16 47
IV.GAVE.EHZ. 2020-01-05T07:52:23.20 0.1 positive manual P 243 23.9538 112 -0.06 98
IV.FDMO.HHZ. 2020-01-05T07:52:23.84 1.0 positive manual P 348 27.8499 50 -0.11 24
IV.SMA1.EHZ. 2020-01-05T07:52:23.29 0.3 undecidable manual P 140 22.9548 113 0.22 72
IV.LNSS.HHZ. 2020-01-05T07:52:23.04 0.1 positive manual P 205 22.8549 113 -0.01 99
IV.MMO1.EHZ. 2020-01-05T07:52:22.17 0.3 positive manual P 49 18.3705 118 -0.09 74
IV.MTRA.EHZ. 2020-01-05T07:52:22.35 0.1 undecidable manual P 101 19.869 116 -0.17 97
IV.T1299.HNZ. 2020-01-05T07:52:22.69 0.3 undecidable manual P 149 20.0688 116 0.13 73
IV.MC2.EHZ. 2020-01-05T07:52:21.59 0.6 undecidable manual P 11 13.6752 126 0.14 49
IV.NRCA.HHZ. 2020-01-05T07:52:21.80 0.6 undecidable manual S 325 5.8941 149 -0.25 49
IV.NRCA.HHZ. 2020-01-05T07:52:20.50 0.1 negative manual P 325 5.8941 149 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.1 0.0000885 1.12 AML other m 2020-01-05T07:52:25.13
IV.MTRA.EHE. ML:1.2 0.000113 0.32 AML other m 2020-01-05T07:52:25.95
IV.LNSS.HHE. ML:1.3 0.000133 0.42 AML other m 2020-01-05T07:52:27.29
IV.GAVE.EHE. ML:1.1 0.00007855000000000001 1 AML other m 2020-01-05T07:52:27.85
IV.LNSS.HHN. ML:1.4 0.000179 0.42 AML other m 2020-01-05T07:52:27.20
IV.GAVE.EHN. ML:1.1 0.00007915 0.24 AML other m 2020-01-05T07:52:27.50
IV.MTRA.HNE. ML:1.2 0.00011847320999999999 0.3968 AML other m 2020-01-05T07:52:25.78
IV.MTRA.HNN. ML:1.1 0.00009572429500000001 0.2752 AML other m 2020-01-05T07:52:25.69
IV.LNSS.HNE. ML:1.4 0.00015634185 0.4096 AML other m 2020-01-05T07:52:26.74
IV.LNSS.HNN. ML:1.3 0.00011912718 0.2496 AML other m 2020-01-05T07:52:26.85
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