Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 09-01-2021 and time 19:57:45 (Italy) in region 3 km SW Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Fiordimonte (MC), on

  • 09-01-2021 18:57:45 (UTC)
  • 09-01-2021 19:57:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0180, 13.0630 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pieve Torina MC 3 1458 1458
Fiordimonte MC 3 202 1660
Pievebovigliana MC 5 866 2526
Monte Cavallo MC 6 145 2671
Muccia MC 7 915 3586
Fiastra MC 8 559 4145
Acquacanina MC 9 121 4266
Visso MC 10 1107 5373
Ussita MC 10 444 5817
Serravalle di Chienti MC 11 1070 6887
Camerino MC 13 6974 13861
Bolognola MC 14 142 14003
Preci PG 16 724 14727
Castelsantangelo sul Nera MC 16 281 15008
Sefro MC 17 422 15430
Sellano PG 18 1079 16509
Cessapalombo MC 19 512 17021
Pioraco MC 19 1134 18155
Caldarola MC 19 1823 19978
Sarnano MC 20 3264 23242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 1.0 2021-01-09
18:57:45		 43.0183 13.0628 9 2021-01-09
19:19:42		 Sala Sismica INGV-Roma 86126011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-09 18:57:45 ± 0.09
Latitude 43.0183 ± 0.0036
Longitude 13.0628 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86126011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 72
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86126011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-09 19:19:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-01-09T18:57:53.08 0.6 undecidable manual S 168 20.9679 113 -0.41 45
IV.PF6.EHZ. 2021-01-09T18:57:52.22 0.6 undecidable manual S 39 16.9719 117 -0.04 49
IV.EL6.EHZ. 2021-01-09T18:57:52.31 0.6 negative manual P 5 34.6431 50 -0.34 45
IV.CSP1.EHZ. 2021-01-09T18:57:51.43 0.3 undecidable manual S 55 14.0748 122 0.05 74
IV.MMO1.EHZ. 2021-01-09T18:57:51.05 0.6 undecidable manual P 122 25.1526 109 0.09 48
IV.SNTG.HHZ. 2021-01-09T18:57:51.31 1.0 undecidable manual P 339 28.0497 107 -0.19 23
IV.CESI.HHZ. 2021-01-09T18:57:51.07 0.6 undecidable manual S 263 12.876 124 0.03 49
IV.NRCA.HHZ. 2021-01-09T18:57:50.15 0.6 negative manual P 168 20.9679 113 -0.01 49
IT.MTCL.HGZ. 2021-01-09T18:57:49.06 0.6 undecidable manual S 242 5.7942 147 -0.21 48
IV.PF6.EHZ. 2021-01-09T18:57:49.44 0.3 undecidable manual P 39 16.9719 117 -0.01 74
IV.CSP1.EHZ. 2021-01-09T18:57:49.14 0.6 positive manual P 55 14.0748 122 0.2 48
IV.MC2.EHZ. 2021-01-09T18:57:49.48 1.0 positive manual P 139 15.6732 119 0.27 23
IV.CESI.HHZ. 2021-01-09T18:57:48.87 0.1 positive manual P 263 12.876 124 0.12 97
IV.FEMA.HNZ. 2021-01-09T18:57:48.03 0.3 undecidable manual P 190 6.2937 144 0.25 72
IV.FDMO.HHZ. 2021-01-09T18:57:48.62 0.3 undecidable manual S 44 2.7972 162 -0.21 73
IV.FDMO.HHZ. 2021-01-09T18:57:47.53 0.1 undecidable manual P 44 2.7972 162 0.07 100
IT.MTCL.HGZ. 2021-01-09T18:57:47.75 0.1 undecidable manual P 242 5.7942 147 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.00006245 0.2 AML other m 2021-01-09T18:57:51.11
IV.CESI.HHE. ML:0.8 0.00007159999999999999 0.16 AML other m 2021-01-09T18:57:51.18
IV.CSP1.EHN. ML:1.1 0.00013587860000000002 0.1536 AML other m 2021-01-09T18:57:52.22
IV.CSP1.EHE. ML:1.0 0.000107408015 0.2048 AML other m 2021-01-09T18:57:52.70
IV.FDMO.HHE. ML:0.0 0.000091507025 0.0768 AML other m 2021-01-09T18:57:49.00
IV.FDMO.HHN. ML:0.0 0.000112180485 0.1792 AML other m 2021-01-09T18:57:48.93
IV.CESI.HNE. ML:1.1 0.000138308465 0.9216 AML other m 2021-01-09T18:57:57.09
IV.CESI.HNN. ML:1.1 0.00012924893000000002 0.5504 AML other m 2021-01-09T18:57:50.13
IV.NRCA.HHE. ML:0.7 0.000040658595 0.1408 AML other m 2021-01-09T18:57:54.41
IV.NRCA.HHN. ML:0.7 0.00003922918 0.128 AML other m 2021-01-09T18:57:54.72
IV.NRCA.HNE. ML:1.0 0.00007830930999999999 0.5504 AML other m 2021-01-09T18:58:01.06
IV.NRCA.HNN. ML:1.4 0.00018958025000000002 1.1776 AML other m 2021-01-09T18:57:57.09
IV.SNTG.HHE. ML:0.7 0.000023507140000000003 1.024 AML other m 2021-01-09T18:57:53.06
IV.SNTG.HHN. ML:0.9 0.000039407585 1.7408 AML other m 2021-01-09T18:57:50.44
IV.SNTG.HNE. ML:1.5 0.00018318209999999998 0.896 AML other m 2021-01-09T18:57:56.51
IV.SNTG.HNN. ML:1.5 0.0001793884 1.1008 AML other m 2021-01-09T18:57:57.58
IV.EL6.EHE. ML:1.3 0.00009223816 1.5616 AML other m 2021-01-09T18:58:03.79
IV.EL6.EHN. ML:1.2 0.000058111770000000006 1.0368 AML other m 2021-01-09T18:58:04.04
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