Earthquake with magnitude of ML 1.3 on date 11-01-2021 and time 16:49:28 (UTC) in region 2 km S Fiastra (MC)

A magnitude ML 1.3 earthquake occured in region: 2 km S Fiastra (MC), on

  • 11-01-2021 16:49:28 (UTC)
  • 11-01-2021 17:49:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0190, 13.1520 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Fiastra MC 2 559 559
Acquacanina MC 2 121 680
Fiordimonte MC 5 202 882
Bolognola MC 7 142 1024
Pievebovigliana MC 7 866 1890
Ussita MC 8 444 2334
Pieve Torina MC 9 1458 3792
Visso MC 11 1107 4899
Muccia MC 11 915 5814
Sarnano MC 12 3264 9078
Monte Cavallo MC 13 145 9223
Cessapalombo MC 13 512 9735
Castelsantangelo sul Nera MC 14 281 10016
Camerino MC 15 6974 16990
Caldarola MC 15 1823 18813
Camporotondo di Fiastrone MC 16 563 19376
Gualdo MC 16 815 20191
San Ginesio MC 17 3498 23689
Amandola FM 17 3629 27318
Serravalle di Chienti MC 17 1070 28388
Montefortino FM 18 1178 29566
Belforte del Chienti MC 18 1886 31452
Serrapetrona MC 18 966 32418
Preci PG 18 724 33142
Montemonaco AP 19 604 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
99 Km NW 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
Reviewed
Rev100
ML 1.3 2021-01-11
16:49:28
43.0188 13.152 8 2021-01-11
17:50:02
Sala Sismica INGV-Roma 86176521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-11 16:49:28 ± 0.21
Latitude 43.0188 ± 0.0036
Longitude 13.1520 ± 0.0062
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86176521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.22663
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86176521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-11 17:50:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-01-11T16:49:38.50 0.6 undecidable manual S 98 25.1526 108 0.54 43
IV.CESI.HHZ. 2021-01-11T16:49:36.47 0.6 undecidable manual S 266 20.1687 113 0.16 48
IV.GUMA.HHZ. 2021-01-11T16:49:35.28 0.6 undecidable manual S 72 15.6732 118 0.38 46
IV.MMO1.EHZ. 2021-01-11T16:49:35.71 0.1 undecidable manual S 133 19.3695 113 -0.37 92
IV.MC2.EHZ. 2021-01-11T16:49:34.04 0.3 undecidable manual S 166 12.2766 124 0.14 73
IV.PF6.EHE. 2021-01-11T16:49:34.04 0.3 undecidable manual S 15 13.6752 122 -0.26 71
IV.MF5.EHZ. 2021-01-11T16:49:34.24 0.6 negative manual P 98 25.1526 108 0.17 47
IV.CESI.HHZ. 2021-01-11T16:49:33.14 0.1 undecidable manual P 266 20.1687 113 0.03 98
IV.NRCA.HHZ. 2021-01-11T16:49:33.04 0.3 positive manual P 189 20.7681 112 -0.19 71
IV.GUMA.HHZ. 2021-01-11T16:49:32.47 0.1 positive manual P 72 15.6732 118 0.17 96
IT.MTCL.HGZ. 2021-01-11T16:49:32.06 0.6 undecidable manual P 257 12.6762 123 0.27 47
IV.MMO1.EHZ. 2021-01-11T16:49:32.72 0.1 undecidable manual P 133 19.3695 113 -0.26 94
IV.CSP1.EHZ. 2021-01-11T16:49:32.98 0.6 undecidable manual S 28 9.1797 132 -0.07 50
IV.MC2.EHZ. 2021-01-11T16:49:31.88 0.3 undecidable manual P 166 12.2766 124 0.16 73
IV.CSP1.EHZ. 2021-01-11T16:49:31.27 0.1 positive manual P 28 9.1797 132 0.04 100
IV.PF6.EHE. 2021-01-11T16:49:31.74 0.1 undecidable manual P 15 13.6752 122 -0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.4 0.00035299999999999996 0.46 AML other m 2021-01-11T16:49:33.05
IV.CSP1.EHN. ML:1.5 0.00043400000000000003 1.18 AML other m 2021-01-11T16:49:33.11
IV.GUMA.HHE. ML:1.1 0.00012152158999999999 0.6272 AML other m 2021-01-11T16:49:36.76
IV.GUMA.HHN. ML:1.4 0.00022921245 1.8048 AML other m 2021-01-11T16:49:35.44
IV.CESI.HNE. ML:1.0 0.0000840918525 0.2176 AML other m 2021-01-11T16:49:37.03
IV.CESI.HNN. ML:1.3 0.00015339795 1.344 AML other m 2021-01-11T16:49:39.24
IV.MF5.EHE. ML:1.4 0.0001558705 1.728 AML other m 2021-01-11T16:49:39.83
IV.MF5.EHN. ML:1.1 0.00007386833150000001 1.7152 AML other m 2021-01-11T16:49:37.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download