Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-01-2020 and time 04:57:02 (Italy) in region 4 km W Preci (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km W Preci (PG), on

  • 27-01-2020 03:57:02 (UTC)
  • 27-01-2020 04:57:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8770, 12.9960 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
Preci PG 4 724 724
Sellano PG 6 1079 1803
Cerreto di Spoleto PG 9 1075 2878
Visso MC 10 1107 3985
Norcia PG 12 4957 8942
Monte Cavallo MC 13 145 9087
Castelsantangelo sul Nera MC 13 281 9368
Ussita MC 14 444 9812
Vallo di Nera PG 16 364 10176
Cascia PG 18 3217 13393
Campello sul Clitunno PG 19 2442 15835
Poggiodomo PG 19 117 15952
Pieve Torina MC 19 1458 17410
Fiordimonte MC 19 202 17612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.4 2020-01-27
03:57:02		 42.8773 12.9957 10 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 76244331
Reviewed
Rev100 		ML 1.4 2020-01-27
03:57:02		 42.8813 12.9993 11 2020-01-27
04:02:38		 Sala Sismica INGV-Roma 75903751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 03:57:02 ± 0.04
Latitude 42.8773 ± 0.0018
Longitude 12.9957 ± 0.0037
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 76244331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 35
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62143
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 76244331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-05 15:16:06

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 75903751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 04:02:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2020-01-27T03:58:04.30 3.0 undecidable manual Sg 4.61 0
IV.FIR.HHZ. 2020-01-27T03:57:53.74 3.0 undecidable manual Sg 2.59 0
IV.SNTG.HHZ. 2020-01-27T03:57:16.56 0.6 undecidable manual S 354 42.1245 50 -0.02 48
IV.ARVD.HHZ. 2020-01-27T03:57:15.18 0.3 undecidable manual P 356 68.9754 50 0.32 64
IV.MOMA.HHZ. 2020-01-27T03:57:15.12 0.3 undecidable manual S 257 35.5422 50 0.29 69
IV.ARRO.EHZ. 2020-01-27T03:57:15.77 0.3 undecidable manual S 210 38.0286 50 0.29 69
IV.MTRA.EHZ. 2020-01-27T03:57:14.70 0.3 undecidable manual S 112 35.2425 50 -0.04 72
IV.GUMA.HHZ. 2020-01-27T03:57:14.96 0.3 undecidable manual S 53 34.3434 50 0.45 67
IV.CSP1.EHZ. 2020-01-27T03:57:13.03 0.3 undecidable manual S 35 29.2485 50 -0.1 72
IV.OFFI.HHZ. 2020-01-27T03:57:13.87 3.0 undecidable manual P 0
IV.LNSS.HHZ. 2020-01-27T03:57:13.32 0.3 undecidable manual S 173 30.6471 50 -0.2 71
IV.ASSB.HHZ. 2020-01-27T03:57:13.84 0.3 undecidable manual S 304 32.9448 50 -0.29 69
IV.MNTT.EHZ. 2020-01-27T03:57:13.09 0.3 undecidable manual P 67 52.8027 50 0.72 58
IV.MMO1.EHZ. 2020-01-27T03:57:12.27 0.3 undecidable manual S 85 27.0507 50 -0.28 70
IV.EL6.EHZ. 2020-01-27T03:57:11.98 0.1 undecidable manual P 10 50.9157 50 -0.09 93
IV.ATCC.EHZ. 2020-01-27T03:57:11.06 0.3 undecidable manual P 320 44.7219 50 -0.06 71
IV.GAVE.EHZ. 2020-01-27T03:57:11.11 0.1 undecidable manual S 202 22.1556 115 -0.09 98
IV.CESX.HHZ. 2020-01-27T03:57:10.95 0.3 undecidable manual P 228 44.7219 50 -0.17 69
IV.SNTG.HHZ. 2020-01-27T03:57:10.58 0.3 undecidable manual P 354 42.1245 50 -0.14 70
IV.RM33.EHZ. 2020-01-27T03:57:10.78 0.6 undecidable manual P 156 44.622 50 -0.32 45
IV.SMA1.EHZ. 2020-01-27T03:57:10.28 0.6 undecidable manual P 135 38.9277 50 0.05 48
IV.FDMO.HHZ. 2020-01-27T03:57:10.00 0.1 undecidable manual S 23 19.1697 118 -0.28 95
IV.MOMA.HHZ. 2020-01-27T03:57:09.85 0.3 undecidable manual P 257 35.5422 50 0.14 71
IV.CESI.HHZ. 2020-01-27T03:57:09.37 0.1 undecidable manual S 332 15.9729 123 0.04 100
IV.ASSB.HHZ. 2020-01-27T03:57:09.29 0.3 undecidable manual P 304 32.9448 50 -0.02 73
IV.ARRO.EHZ. 2020-01-27T03:57:09.98 1.0 undecidable manual P 210 38.0286 50 -0.11 24
IV.MC2.EHZ. 2020-01-27T03:57:09.51 0.1 undecidable manual S 76 16.1727 123 0.13 98
IV.MTRA.EHZ. 2020-01-27T03:57:09.52 0.3 undecidable manual P 112 35.2425 50 -0.14 71
IV.GUMA.HHZ. 2020-01-27T03:57:09.67 0.1 undecidable manual P 53 34.3434 50 0.14 95
IV.LNSS.HHZ. 2020-01-27T03:57:08.92 0.1 undecidable manual P 173 30.6471 50 -0.04 98
IV.MMO1.EHZ. 2020-01-27T03:57:08.23 0.1 undecidable manual P 85 27.0507 50 -0.16 96
IV.CSP1.EHZ. 2020-01-27T03:57:08.53 0.3 undecidable manual P 35 29.2485 50 -0.2 71
IV.FDMO.HHZ. 2020-01-27T03:57:07.01 0.1 undecidable manual P 23 19.1697 118 -0.08 99
IV.GAVE.EHZ. 2020-01-27T03:57:07.65 0.1 undecidable manual P 202 22.1556 115 0.03 99
IV.NRCA.HNZ. 2020-01-27T03:57:07.88 0.6 undecidable manual S 117 10.7781 134 -0.04 50
IV.CESI.HHZ. 2020-01-27T03:57:06.62 0.1 undecidable manual P 332 15.9729 123 0.08 99
IV.MC2.EHZ. 2020-01-27T03:57:06.75 0.3 undecidable manual P 76 16.1727 123 0.18 73
IV.NRCA.HNZ. 2020-01-27T03:57:05.81 0.1 undecidable manual P 117 10.7781 134 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.8 0.0007522390499999999 0.08 AML other m 2020-01-27T03:57:08.12
IV.NRCA.HNN. ML:1.8 0.0008162174 0.08 AML other m 2020-01-27T03:57:07.95
IV.NRCA.HHN. ML:1.9 0.0009074944 0.08 AML other m 2020-01-27T03:57:07.95
IV.NRCA.HHE. ML:1.8 0.0007782093999999999 0.08 AML other m 2020-01-27T03:57:08.11
IV.CESI.HNN. ML:1.3 0.00017655309999999998 0.16 AML other m 2020-01-27T03:57:09.73
IV.CESI.HHN. ML:1.3 0.00017815700000000002 0.16 AML other m 2020-01-27T03:57:09.73
IV.CESI.HNE. ML:1.2 0.00013407486 0.1312 AML other m 2020-01-27T03:57:09.49
IV.CESI.HHE. ML:1.2 0.00014053975 0.1184 AML other m 2020-01-27T03:57:09.49
IV.FDMO.HHN. ML:1.6 0.0002926553 0.1216 AML other m 2020-01-27T03:57:10.23
IV.FDMO.HHE. ML:1.7 0.00041121195 0.1216 AML other m 2020-01-27T03:57:10.19
IV.GAVE.EHN. ML:1.7 0.000328478 0.2208 AML other m 2020-01-27T03:57:11.39
IV.GAVE.HNE. ML:1.8 0.00042553154999999996 0.1696 AML other m 2020-01-27T03:57:11.45
IV.GAVE.EHE. ML:1.9 0.0004751888 0.1824 AML other m 2020-01-27T03:57:11.37
IV.LNSS.HHE. ML:1.3 0.00009921339 0.24 AML other m 2020-01-27T03:57:15.30
IV.LNSS.HNN. ML:1.5 0.000151788835 0.2592 AML other m 2020-01-27T03:57:14.10
IV.LNSS.HHN. ML:1.1 0.00006480803000000001 0.16 AML other m 2020-01-27T03:57:14.75
IV.ASSB.HHN. ML:1.2 0.00007258031 0.08 AML other m 2020-01-27T03:57:14.52
IV.ASSB.HHE. ML:1.4 0.00011446229999999998 0.16 AML other m 2020-01-27T03:57:14.11
IV.MTRA.HNE. ML:1.6 0.00014793593500000003 0.1504 AML other m 2020-01-27T03:57:15.13
IV.MTRA.HNN. ML:1.5 0.000129669835 0.16 AML other m 2020-01-27T03:57:15.13
IV.MTRA.EHN. ML:1.4 0.00009852717499999999 0.16 AML other m 2020-01-27T03:57:15.36
IV.MTRA.EHE. ML:1.5 0.00013616695 0.16 AML other m 2020-01-27T03:57:15.13
IV.GUMA.HHN. ML:1.4 0.00011514614000000001 0.32 AML other m 2020-01-27T03:57:17.20
IV.GUMA.HNE. ML:1.6 0.00014668225 0.4608 AML other m 2020-01-27T03:57:20.01
IV.GUMA.HHE. ML:1.4 0.00010494837 0.3008 AML other m 2020-01-27T03:57:20.76
IV.MOMA.HHE. ML:1.2 0.00007190516 0.16 AML other m 2020-01-27T03:57:17.79
IV.MOMA.HHN. ML:1.3 0.00007948152 0.1376 AML other m 2020-01-27T03:57:15.91
IV.MOMA.HNN. ML:1.6 0.00016819825 0.8 AML other m 2020-01-27T03:57:14.66
IV.ARRO.EHE. ML:1.0 0.00003809771500000001 0.2208 AML other m 2020-01-27T03:57:17.74
IV.ARRO.EHN. ML:1.0 0.00003889923 0.16 AML other m 2020-01-27T03:57:16.29
IV.SMA1.EHE. ML:0.9 0.00003053163 0.4 AML other m 2020-01-27T03:57:19.44
IV.SMA1.EHN. ML:0.8 0.0000242566305 0.16 AML other m 2020-01-27T03:57:17.45
IV.SNTG.HHN. ML:1.0 0.0000346396 0.1184 AML other m 2020-01-27T03:57:16.99
IV.SNTG.HHE. ML:0.9 0.000026264815 0.1024 AML other m 2020-01-27T03:57:17.61
IV.RM33.EHN. ML:0.8 0.00002207060745 0.1568 AML other m 2020-01-27T03:57:18.72
IV.RM33.EHE. ML:0.9 0.000025733155 0.2816 AML other m 2020-01-27T03:57:19.38
IV.CESX.HHE. ML:1.2 0.00004762302 0.32 AML other m 2020-01-27T03:57:18.92
IV.CESX.HHN. ML:1.1 0.000034579510000000004 0.2592 AML other m 2020-01-27T03:57:19.00
IV.ATCC.EHN. ML:1.0 0.000032153725 0.24 AML other m 2020-01-27T03:57:17.76
IV.ATCC.EHE. ML:1.1 0.000032854595 0.1984 AML other m 2020-01-27T03:57:19.10
IV.EL6.EHE. ML:1.4 0.00007011044499999999 0.3392 AML other m 2020-01-27T03:57:19.51
IV.EL6.EHN. ML:1.7 0.000119373135 0.3008 AML other m 2020-01-27T03:57:20.32
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