Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 11-01-2021 and time 09:59:14 (UTC) in region 3 km S Pioraco (MC)

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

  • 11-01-2021 09:59:14 (UTC)
  • 11-01-2021 10:59:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1510, 12.9960 at 10 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
Pioraco MC 3 1134 1134
Sefro MC 4 422 1556
Camerino MC 6 6974 8530
Fiuminata MC 7 1402 9932
Castelraimondo MC 8 4587 14519
Muccia MC 9 915 15434
Serravalle di Chienti MC 9 1070 16504
Gagliole MC 12 620 17124
Esanatoglia MC 12 2034 19158
Matelica MC 12 9981 29139
Pievebovigliana MC 12 866 30005
Pieve Torina MC 13 1458 31463
Fiordimonte MC 15 202 31665
Serrapetrona MC 16 966 32631
San Severino Marche MC 17 12726 45357
Nocera Umbra PG 17 5839 51196
Monte Cavallo MC 17 145 51341
Fiastra MC 18 559 51900
Caldarola MC 19 1823 53723
Cerreto d'Esi AN 19 3817 57540
Gualdo Tadino PG 19 15208 72748
Belforte del Chienti MC 20 1886 74634
Acquacanina MC 20 121 74755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
72 Km NE of Terni (111501 inhabitants)
77 Km S of Fano (60888 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
97 Km E of Arezzo (99543 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 2021-01-11
09:59:14		 43.1513 12.9963 10 2021-01-11
10:15:57		 Sala Sismica INGV-Roma 86167441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-11 09:59:14 ± 0.03
Latitude 43.1513 ± 0.0018
Longitude 12.9963 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86167441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 273
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59625
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 86167441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-11 10:15:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2021-01-11T10:01:05.85 3.0 undecidable manual Sn 4.77 0
CH.MUGIO.HHZ. 2021-01-11T10:00:57.28 3.0 undecidable manual Sn 8 0
IV.HCRL.HHZ. 2021-01-11T10:00:44.78 3.0 undecidable manual Pn 5.76 0
MN.BNI.HHZ. 2021-01-11T10:00:40.90 3.0 undecidable manual Pg 21.77 0
IV.ERC.EHZ. 2021-01-11T10:00:21.84 3.0 undecidable manual Pn -3.54 0
IV.SARZ.HHZ. 2021-01-11T10:00:15.47 3.0 negative manual Pg 17.290001 0
IV.NDIM.HHZ. 2021-01-11T09:59:55.29 3.0 positive manual Pg 12.15 0
IV.VVLD.HHZ. 2021-01-11T09:59:51.88 3.0 undecidable manual Sn -2.17 0
IV.TRIF.CHZ. 2021-01-11T09:59:50.47 3.0 undecidable manual Sn -0.57 0
IV.IMOL.HNZ. 2021-01-11T09:59:49.87 3.0 undecidable manual Sn -0.08 0
IV.VVLD.HHZ. 2021-01-11T09:59:32.82 3.0 undecidable manual Pn -1.92 0
IV.SSFR.HHZ. 2021-01-11T09:59:27.26 0.6 undecidable manual S 331 36.0417 50 0.08 48
IV.MURB.HHZ. 2021-01-11T09:59:26.24 3.0 undecidable manual S 40.1265 -2.03 0
IV.MC2.EHZ. 2021-01-11T09:59:25.93 0.3 undecidable manual S 150 30.8469 50 0.13 71
IV.MURB.HHZ. 2021-01-11T09:59:25.12 3.0 undecidable manual P 40.1265 2.48 0
IV.ARRO.EHZ. 2021-01-11T09:59:24.80 3.0 undecidable manual P 66.1893 -1.86 0
IV.EL6.EHZ. 2021-01-11T09:59:23.16 0.3 undecidable manual S 23 21.4674 116 -0.08 73
IV.CSP1.EHZ. 2021-01-11T09:59:22.27 0.3 undecidable manual S 111 18.1707 120 0.07 74
IV.ATSC.EHZ. 2021-01-11T09:59:22.39 0.3 undecidable manual P 321 39.2274 50 -0.12 70
IV.CESI.HHZ. 2021-01-11T09:59:22.22 0.3 undecidable manual S 205 17.871 120 0.1 73
IV.SSFR.HHZ. 2021-01-11T09:59:22.16 0.3 undecidable manual P 331 36.0417 50 0.15 70
IV.MC2.EHZ. 2021-01-11T09:59:21.05 0.1 undecidable manual P 150 30.8469 50 -0.17 94
IV.SNTG.HHZ. 2021-01-11T09:59:20.58 0.3 undecidable manual S 339 12.3765 130 0.02 75
IV.CESI.HHZ. 2021-01-11T09:59:19.05 0.1 undecidable manual P 205 17.871 120 -0.04 99
IV.CSP1.EHZ. 2021-01-11T09:59:19.23 0.1 undecidable manual P 111 18.1707 120 0.09 98
IV.EL6.EHZ. 2021-01-11T09:59:19.71 0.1 undecidable manual P 23 21.4674 116 -0.03 99
IV.FEMA.HNE. 2021-01-11T09:59:19.59 0.1 undecidable manual P 168 21.4674 116 -0.14 97
IV.SNTG.HHZ. 2021-01-11T09:59:18.23 0.1 undecidable manual P 339 12.3765 130 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.9 0.0000969 0.12 AML other m 2021-01-11T09:59:20.70
IV.SNTG.HHN. ML:0.9 0.00008840000000000001 0.66 AML other m 2021-01-11T09:59:20.77
IV.CESI.HHE. ML:1.2 0.0001295 0.16 AML other m 2021-01-11T09:59:22.34
IV.CESI.HHN. ML:1.1 0.00009279999999999999 0.32 AML other m 2021-01-11T09:59:22.41
IV.MURB.HHE. ML:0.0 0.0001186045 0.1984 AML other m 2021-01-11T09:59:26.39
IV.MURB.HHN. ML:0.0 0.0001047003 0.1344 AML other m 2021-01-11T09:59:26.49
IV.MURB.HNE. ML:0.0 0.00012733585499999999 0.2304 AML other m 2021-01-11T09:59:26.83
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