Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 14-01-2021 and time 15:18:57 (Italy) in region 3 km NE Preci (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Preci (PG), on

  • 14-01-2021 14:18:57 (UTC)
  • 14-01-2021 15:18:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8980, 13.0700 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 3 724 724
Visso MC 4 1107 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 8 444 2556
Sellano PG 12 1079 3635
Norcia PG 12 4957 8592
Monte Cavallo MC 12 145 8737
Cerreto di Spoleto PG 15 1075 9812
Fiordimonte MC 16 202 10014
Pieve Torina MC 16 1458 11472
Bolognola MC 17 142 11614
Fiastra MC 17 559 12173
Acquacanina MC 17 121 12294
Pievebovigliana MC 18 866 13160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 1.5 2021-01-14
14:18:57		 42.8982 13.0702 11 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90287901
Reviewed
Rev100 		ML 1.5 2021-01-14
14:18:57		 42.8987 13.0757 11 2021-01-14
15:21:09		 Sala Sismica INGV-Roma 86247081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-14 14:18:57 ± 0.05
Latitude 42.8982 ± 0.0036
Longitude 13.0702 ± 0.0049
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 90287901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 416
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 90287901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-31 23:59:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 86247081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-14 15:21:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-01-14T14:19:14.22 0.3 undecidable manual S 125 53.1024 50 0.14 69
IV.MF5.EHZ. 2021-01-14T14:19:09.63 0.6 undecidable manual S 72 33.1446 50 0.89 38
IV.ASSB.HHZ. 2021-01-14T14:19:09.66 0.6 undecidable manual S 296 37.0296 50 -0.12 47
IV.LNSS.HNZ. 2021-01-14T14:19:08.74 0.6 undecidable manual S 184 32.8449 50 0.08 48
IV.CSP1.EHZ. 2021-01-14T14:19:06.10 0.1 undecidable manual S 27 24.0537 50 -0.22 95
IV.TERO.HHZ. 2021-01-14T14:19:06.85 0.1 undecidable manual P 125 53.1024 50 -0.14 92
IV.MOMA.HNZ. 2021-01-14T14:19:05.00 0.6 undecidable manual P 256 42.0246 50 -0.27 45
IV.MF5.EHZ. 2021-01-14T14:19:04.14 0.3 undecidable manual P 72 33.1446 50 0.23 70
IV.MMO1.EHZ. 2021-01-14T14:19:04.97 0.3 undecidable manual S 90 20.868 117 -0.44 68
IV.ASSB.HHZ. 2021-01-14T14:19:04.32 0.1 undecidable manual P 296 37.0296 50 -0.19 93
IV.CESI.HHZ. 2021-01-14T14:19:04.65 0.3 undecidable manual S 311 17.871 120 0.13 73
IV.FDMO.HHZ. 2021-01-14T14:19:03.55 0.3 undecidable manual S 5 15.3735 124 -0.23 72
IV.LNSS.HNZ. 2021-01-14T14:19:03.88 0.3 undecidable manual P 184 32.8449 50 0.02 73
IV.MC2.EHZ. 2021-01-14T14:19:02.34 0.3 undecidable manual S 81 9.7791 137 0.05 75
IT.MTCL.HGZ. 2021-01-14T14:19:02.76 0.1 undecidable manual S 332 12.0768 131 -0.1 99
IV.CSP1.EHZ. 2021-01-14T14:19:02.45 0.1 undecidable manual P 27 24.0537 50 -0.07 98
IV.FDMO.HHZ. 2021-01-14T14:19:01.08 0.1 undecidable manual P 5 15.3735 124 0.03 100
IV.CESI.HHZ. 2021-01-14T14:19:01.57 0.1 undecidable manual P 311 17.871 120 0.1 98
IV.MMO1.EHZ. 2021-01-14T14:19:01.83 0.1 undecidable manual P 90 20.868 117 -0.16 97
IV.NRCA.HHZ. 2021-01-14T14:19:01.71 0.1 undecidable manual S 153 7.9809 143 -0.18 98
IV.FEMA.HNZ. 2021-01-14T14:19:01.87 0.1 undecidable manual S 347 7.2927 145 0.12 100
IV.NRCA.HHZ. 2021-01-14T14:19:00.05 0.1 undecidable manual P 153 7.9809 143 0.09 100
IV.FEMA.HNZ. 2021-01-14T14:19:00.10 0.1 undecidable manual P 347 7.2927 145 0.23 97
IV.MC2.EHZ. 2021-01-14T14:19:00.40 0.1 negative manual P 81 9.7791 137 0.22 97
IT.MTCL.HGZ. 2021-01-14T14:19:00.61 0.1 undecidable manual P 332 12.0768 131 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.8 0.0009139999999999999 0.12 AML other m 2021-01-14T14:19:01.86
IV.NRCA.HNN. ML:1.8 0.0008145 0.12 AML other m 2021-01-14T14:19:01.87
IV.NRCA.HNE. ML:1.5 0.00039575025000000003 0.4224 AML other m 2021-01-14T14:19:02.52
IV.NRCA.HHE. ML:1.4 0.00033990220000000007 0.0832 AML other m 2021-01-14T14:19:02.68
IV.FDMO.HHE. ML:1.1 0.000123150345 0.2368 AML other m 2021-01-14T14:19:03.78
IV.FDMO.HHN. ML:0.8 0.00006435 0.14 AML other m 2021-01-14T14:19:04.04
IV.CESI.HHE. ML:1.4 0.000194 0.14 AML other m 2021-01-14T14:19:04.94
IV.CESI.HHN. ML:1.7 0.00041349999999999997 0.12 AML other m 2021-01-14T14:19:04.88
IV.CESI.HNN. ML:1.7 0.00041000000000000005 0.12 AML other m 2021-01-14T14:19:04.88
IV.CESI.HNE. ML:1.4 0.00018197375 0.5184 AML other m 2021-01-14T14:19:04.94
IV.ASSB.HHN. ML:1.0 0.000037629084 0.0768 AML other m 2021-01-14T14:19:10.26
IV.ASSB.HHE. ML:1.2 0.00005259834000000001 0.7552 AML other m 2021-01-14T14:19:10.48
IV.TERO.HHE. ML:0.9 0.000018280435 0.1216 AML other m 2021-01-14T14:19:14.70
IV.TERO.HNN. ML:1.9 0.00019415129999999999 1.2992 AML other m 2021-01-14T14:19:16.56
IV.TERO.HNE. ML:1.7 0.00013073020000000003 1.632 AML other m 2021-01-14T14:19:16.76
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