Earthquake with magnitude of ML 1.2 on date 26-12-2021 and time 03:10:01 (Italy) in region 3 km SE Visso (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km SE Visso (MC), on

  • 26-12-2021 02:10:01 (UTC)
  • 26-12-2021 03:10:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 13.1200 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
Visso MC 3 1107 1107
Castelsantangelo sul Nera MC 3 281 1388
Ussita MC 4 444 1832
Preci PG 8 724 2556
Bolognola MC 13 142 2698
Monte Cavallo MC 13 145 2843
Norcia PG 14 4957 7800
Acquacanina MC 14 121 7921
Fiordimonte MC 14 202 8123
Fiastra MC 14 559 8682
Pieve Torina MC 16 1458 10140
Sellano PG 16 1079 11219
Pievebovigliana MC 17 866 12085
Montemonaco AP 17 604 12689
Montefortino FM 18 1178 13867
Montegallo AP 19 523 14390
Cerreto di Spoleto PG 20 1075 15465
Muccia MC 20 915 16380

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
100 Km NE of Viterbo (67173 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 1.2 2021-12-26
02:10:01
42.9132 13.1198 8 2021-12-26
02:15:21
Sala Sismica INGV-Roma 98988501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-26 02:10:01 ± 0.07
Latitude 42.9132 ± 0.0027
Longitude 13.1198 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98988501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 33
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 98988501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-26 02:15:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-12-26T02:10:10.06 0.3 negative manual P 67 42.0246 50 0.23 68
IV.CSP1.EHZ. 2021-12-26T02:10:09.12 0.3 undecidable manual S 19 20.9679 110 -0.1 72
IV.CESI.HHZ. 2021-12-26T02:10:08.99 0.3 undecidable manual S 300 20.2686 110 0.02 74
IV.FDMO.HHZ. 2021-12-26T02:10:07.02 0.3 undecidable manual S 349 13.9749 118 0.04 74
IV.MF5.EHZ. 2021-12-26T02:10:07.28 1.0 undecidable manual P 73 28.8489 105 -0.17 23
IV.MMO1.EHZ. 2021-12-26T02:10:07.72 0.3 undecidable manual S 95 16.872 114 -0.17 72
IV.GAVE.EHZ. 2021-12-26T02:10:07.43 1.0 negative manual P 217 30.6471 104 -0.37 22
IV.GUMA.HHZ. 2021-12-26T02:10:06.59 0.1 positive manual P 46 24.0537 107 0.05 97
IV.CESI.HHZ. 2021-12-26T02:10:05.74 0.6 positive manual P 300 20.2686 110 -0.07 49
IV.CSP1.EHZ. 2021-12-26T02:10:05.76 0.6 positive manual P 19 20.9679 110 -0.19 47
IV.MMO1.EHZ. 2021-12-26T02:10:05.08 0.1 positive manual P 95 16.872 114 -0.1 97
IV.MC2.EHZ. 2021-12-26T02:10:04.89 0.3 undecidable manual S 92 5.5944 143 0.16 73
IV.FDMO.HHZ. 2021-12-26T02:10:04.67 0.6 undecidable manual P 349 13.9749 118 0.01 50
IV.NRCA.HHZ. 2021-12-26T02:10:03.83 0.1 positive manual P 0.02 1.48
IV.MC2.EHZ. 2021-12-26T02:10:03.50 0.1 negative manual P 92 5.5944 143 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHE. ML:0.0 0.00031120965500000005 0.2 AML other m 2021-12-26T02:10:08.11
IV.MC2.EHN. ML:0.0 0.0005136247000000001 0.24 AML other m 2021-12-26T02:10:06.51
IV.NRCA.HHE. ML:1.4 0.0003832758 0.12 AML other m 2021-12-26T02:10:05.66
IV.NRCA.HHN. ML:1.3 0.00034358045000000006 0.12 AML other m 2021-12-26T02:10:05.48
IV.NRCA.HNE. ML:1.4 0.000355352 0.1296 AML other m 2021-12-26T02:10:05.73
IV.NRCA.HNN. ML:1.3 0.000310723115 0.12 AML other m 2021-12-26T02:10:05.49
IV.FDMO.HHE. ML:0.4 0.00003098903 0.12 AML other m 2021-12-26T02:10:07.31
IV.FDMO.HHN. ML:0.5 0.000033131715 0.1808 AML other m 2021-12-26T02:10:07.07
IV.MMO1.EHE. ML:1.4 0.00021938015 0.2 AML other m 2021-12-26T02:10:07.96
IV.MMO1.EHN. ML:1.3 0.0001850957 0.2816 AML other m 2021-12-26T02:10:08.44
IV.CESI.HHE. ML:1.0 0.000085957695 0.08 AML other m 2021-12-26T02:10:09.41
IV.CESI.HHN. ML:1.2 0.000116760925 0.1216 AML other m 2021-12-26T02:10:09.42
IV.CESI.HNE. ML:1.1 0.000103022185 0.64 AML other m 2021-12-26T02:10:07.82
IV.CSP1.EHE. ML:1.0 0.00006991248 0.1008 AML other m 2021-12-26T02:10:09.36
IV.CSP1.EHN. ML:1.4 0.0001628305 0.24 AML other m 2021-12-26T02:10:09.87
IV.GUMA.HHE. ML:1.1 0.00007253543 0.24 AML other m 2021-12-26T02:10:12.36
IV.MF5.EHE. ML:1.5 0.00017472474999999997 2.8992 AML other m 2021-12-26T02:10:10.27
IV.GAVE.EHE. ML:1.1 0.000058232695 0.1216 AML other m 2021-12-26T02:10:12.32
IV.GAVE.EHN. ML:1.1 0.00006163727499999999 0.2 AML other m 2021-12-26T02:10:12.18
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