Earthquake with magnitude of ML 1.4 on date 16-01-2021 and time 15:25:14 (Italy) in region 5 km SW Valfabbrica (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km SW Valfabbrica (PG), on

  • 16-01-2021 14:25:14 (UTC)
  • 16-01-2021 15:25:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1300, 12.5630 at 8 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
Valfabbrica PG 5 3389 3389
Bastia Umbra PG 7 21874 25263
Assisi PG 8 28299 53562
Perugia PG 14 166134 219696
Bettona PG 14 4367 224063
Cannara PG 15 4305 228368
Torgiano PG 16 6725 235093
Valtopina PG 18 1398 236491
Spello PG 18 8645 245136
Nocera Umbra PG 19 5839 250975
Deruta PG 20 9669 260644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Perugia (166134 inhabitants)
22 Km NW of Foligno (57155 inhabitants)
64 Km N of Terni (111501 inhabitants)
67 Km SE of Arezzo (99543 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
88 Km SW of Fano (60888 inhabitants)
91 Km SW of Pesaro (94582 inhabitants)
95 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 1.4 2021-01-16
14:25:14
43.1298 12.5628 8 2021-07-12
16:54:58
Bollettino Sismico Italiano INGV 86976161
Reviewed
Rev100
ML 1.6 2021-01-16
14:25:14
43.1197 12.5618 8 2021-01-16
14:39:58
Sala Sismica INGV-Roma 86304491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-16 14:25:14 ± 0.05
Latitude 43.1298 ± 0.0027
Longitude 12.5628 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86976161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
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) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 86976161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-09 17:00:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 86304491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-16 14:39:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-01-16T14:25:31.77 0.3 undecidable manual S 94 52.2033 50 0.19 67
IV.EL6.EHZ. 2021-01-16T14:25:30.98 0.3 undecidable manual S 63 48.8178 50 0.29 66
IV.PIEI.HHZ. 2021-01-16T14:25:29.75 0.6 undecidable manual S 357 45.0216 50 0.07 47
IV.MGAB.HHZ. 2021-01-16T14:25:29.51 0.6 undecidable manual S 237 43.8228 50 0.18 46
IV.MOMA.HNZ. 2021-01-16T14:25:27.24 0.3 undecidable manual S 179 36.1416 50 -0.07 71
IV.TB02.DHZ.01 2021-01-16T14:25:25.23 0.3 undecidable manual S 335 29.4483 105 0.1 71
IV.CESI.HHZ. 2021-01-16T14:25:25.27 0.6 undecidable manual S 116 30.9468 105 -0.38 45
IV.TB01.DHZ.01 2021-01-16T14:25:25.20 0.3 undecidable manual S 340 29.748 105 -0.04 72
IV.ATFO.HHN. 2021-01-16T14:25:24.44 0.3 undecidable manual S 2 26.2515 107 0.37 68
IV.ATVA.EHE. 2021-01-16T14:25:24.20 0.3 undecidable manual S 306 27.8499 106 -0.4 67
IV.CSP1.EHZ. 2021-01-16T14:25:24.12 0.1 undecidable manual P 94 52.2033 50 -0.25 89
IV.ATLO.EHE. 2021-01-16T14:25:23.29 0.1 undecidable manual S 329 24.0537 109 -0.07 97
IV.PIEI.HHZ. 2021-01-16T14:25:23.15 0.3 undecidable manual P 357 45.0216 50 -0.13 69
IV.FOSV.EHZ. 2021-01-16T14:25:23.44 0.3 undecidable manual S 41 24.3534 108 0 73
IV.EL6.EHZ. 2021-01-16T14:25:23.66 0.1 undecidable manual P 63 48.8178 50 -0.2 90
IV.MGAB.HHZ. 2021-01-16T14:25:23.22 0.1 undecidable manual P 237 43.8228 50 0.14 92
IT.FOPC.HGN. 2021-01-16T14:25:22.86 0.3 undecidable manual S 147 21.0678 111 0.48 67
IV.MOMA.HNZ. 2021-01-16T14:25:21.98 0.3 undecidable manual P 179 36.1416 50 0.07 71
IV.CESI.HHZ. 2021-01-16T14:25:20.69 0.1 undecidable manual P 116 30.9468 105 -0.26 92
IV.ATVA.EHE. 2021-01-16T14:25:20.15 1.0 undecidable manual P 306 27.8499 106 -0.2 23
IV.TB01.DHZ.01 2021-01-16T14:25:20.58 0.3 undecidable manual P 340 29.748 105 -0.14 71
IV.MURB.HHZ. 2021-01-16T14:25:20.90 0.1 undecidable manual S 348 15.0738 118 0.42 91
IV.TB02.DHZ.01 2021-01-16T14:25:20.64 0.3 undecidable manual P 335 29.4483 105 -0.01 73
IV.ATLO.EHE. 2021-01-16T14:25:19.51 0.1 undecidable manual P 329 24.0537 109 -0.12 96
IV.ATFO.HHN. 2021-01-16T14:25:19.92 0.3 undecidable manual P 2 26.2515 107 -0.12 72
IT.FOPC.HGN. 2021-01-16T14:25:19.21 0.3 undecidable manual P 147 21.0678 111 0.15 72
IV.FOSV.EHZ. 2021-01-16T14:25:19.52 0.1 undecidable manual P 41 24.3534 108 -0.16 95
IV.ATCC.EHZ. 2021-01-16T14:25:18.53 0.3 undecidable manual S 46 8.7801 133 -0.14 73
IV.MURB.HHZ. 2021-01-16T14:25:18.14 0.1 undecidable manual P 348 15.0738 118 0.17 96
IV.ATCC.EHZ. 2021-01-16T14:25:16.96 0.1 undecidable manual P 46 8.7801 133 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.6 0.0007441611500000001 0.16 AML other m 2021-01-16T14:25:19.28
IV.ATCC.EHE. ML:1.6 0.0006756638 0.1408 AML other m 2021-01-16T14:25:19.40
IV.MURB.HHN. ML:1.7 0.0005795 0.26 AML other m 2021-01-16T14:25:22.61
IV.MURB.HNN. ML:1.7 0.0005114671 0.3584 AML other m 2021-01-16T14:25:22.32
IV.MURB.HHE. ML:1.7 0.00046950000000000003 0.26 AML other m 2021-01-16T14:25:22.73
IV.MURB.HNE. ML:1.7 0.0005046168 0.2752 AML other m 2021-01-16T14:25:22.60
IV.FOSV.EHN. ML:0.9 0.000048113164999999996 0.1792 AML other m 2021-01-16T14:25:23.64
IV.FOSV.EHE. ML:1.0 0.00006450495 0.1216 AML other m 2021-01-16T14:25:24.18
IV.CESI.HHE. ML:1.1 0.00006155788 0.2816 AML other m 2021-01-16T14:25:28.17
IV.CESI.HHN. ML:1.0 0.00004372704999999999 0.3648 AML other m 2021-01-16T14:25:28.87
IV.PIEI.HHE. ML:1.1 0.000035408339999999994 0.1216 AML other m 2021-01-16T14:25:30.41
IV.PIEI.HHN. ML:0.9 0.000024267025000000005 0.2624 AML other m 2021-01-16T14:25:30.75
IV.CESI.HNN. ML:1.4 0.00011374816000000001 1.3664 AML other m 2021-01-16T14:25:31.93
IV.CSP1.EHN. ML:1.6 0.00009200348499999999 0.3008 AML other m 2021-01-16T14:25:31.93
IV.CSP1.EHE. ML:1.5 0.00007669832 0.2176 AML other m 2021-01-16T14:25:32.82
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