Earthquake with magnitude of ML 1.2 on date 25-12-2021 and time 10:34:23 (Italy) in region 4 km NE Scheggia e Pascelupo (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Scheggia e Pascelupo (PG), on

  • 25-12-2021 09:34:23 (UTC)
  • 25-12-2021 10:34:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4300, 12.7060 at 15 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
Scheggia e Pascelupo PG 4 1393 1393
Costacciaro PG 8 1216 2609
Cantiano PU 8 2245 4854
Serra Sant'Abbondio PU 9 1027 5881
Frontone PU 10 1300 7181
Sigillo PG 11 2404 9585
Sassoferrato AN 12 7285 16870
Gubbio PG 13 32216 49086
Cagli PU 14 8731 57817
Fossato di Vico PG 16 2840 60657
Pergola PU 18 6333 66990
Genga AN 19 1797 68787
Fabriano AN 19 31480 100267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
53 Km SW of Fano (60888 inhabitants)
53 Km N of Foligno (57155 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
67 Km E of Arezzo (99543 inhabitants)
69 Km W of Ancona (100861 inhabitants)
71 Km S of Rimini (147750 inhabitants)
87 Km SE of Cesena (96758 inhabitants)
97 Km N of Terni (111501 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 2021-12-25
09:34:23
43.4302 12.7058 15 2021-12-25
09:57:17
Sala Sismica INGV-Roma 98950221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-25 09:34:23 ± 0.02
Latitude 43.4302 ± 0.0009
Longitude 12.7058 ± 0.0012
Depth (km) 15 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98950221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 97
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
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) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.48114
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:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 98950221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-25 09:57:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2021-12-25T09:34:33.44 1.0 positive manual P 145 53.4021 95 -0.01 23
IV.SNTG.HHZ. 2021-12-25T09:34:33.63 0.6 undecidable manual S 136 27.1506 104 0.04 48
IV.NARO.HHZ. 2021-12-25T09:34:32.39 0.6 undecidable manual S 333 22.4553 109 0.01 49
IV.PIEI.HHZ. 2021-12-25T09:34:31.32 0.6 undecidable manual S 310 18.0708 116 0.02 49
IV.ARVD.HHZ. 2021-12-25T09:34:31.80 0.6 undecidable manual S 68 20.4684 112 -0.07 49
IV.FOSV.EHZ. 2021-12-25T09:34:30.72 0.6 undecidable manual S 163 15.6732 121 -0.02 49
IV.FRON.EHZ. 2021-12-25T09:34:29.49 0.6 undecidable manual S 9 9.879 138 -0.05 50
IV.SNTG.HHZ. 2021-12-25T09:34:29.42 0.1 negative manual P 136 27.1506 104 -0.01 97
IV.NARO.HHZ. 2021-12-25T09:34:28.70 0.6 undecidable manual P 333 22.4553 109 -0.04 49
IV.MPAG.EHZ. 2021-12-25T09:34:28.77 1.0 positive manual P 11 22.4553 109 0.02 24
IV.SSFR.HNZ. 2021-12-25T09:34:28.97 0.6 undecidable manual S 84 6.1938 152 0 51
IV.PIEI.HHZ. 2021-12-25T09:34:28.09 0.1 negative manual P 310 18.0708 116 -0.03 99
IV.ARVD.HHZ. 2021-12-25T09:34:28.51 0.6 undecidable manual P 68 20.4684 112 0.06 49
IV.FRON.EHZ. 2021-12-25T09:34:27.12 0.1 undecidable manual P 9 9.879 138 0.02 100
IV.FOSV.EHZ. 2021-12-25T09:34:27.76 1.0 undecidable manual P 163 15.6732 121 -0.03 25
IV.SSFR.HNZ. 2021-12-25T09:34:26.83 0.3 negative manual P 84 6.1938 152 0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HNE. ML:1.7 0.000532 1.04 AML other m 2021-12-25T09:34:29.67
IV.SSFR.HNN. ML:1.9 0.0008100000000000001 0.26 AML other m 2021-12-25T09:34:29.12
IV.FRON.EHN. ML:1.3 0.0001915 0.14 AML other m 2021-12-25T09:34:29.55
IV.FRON.EHE. ML:1.5 0.000296 0.1 AML other m 2021-12-25T09:34:29.52
IV.FOSV.EHE. ML:0.8 0.00005475 1.92 AML other m 2021-12-25T09:34:31.01
IV.FOSV.EHN. ML:1.0 0.0000691 1.6 AML other m 2021-12-25T09:34:31.03
IV.PIEI.HHN. ML:1.1 0.0000824 0.14 AML other m 2021-12-25T09:34:31.57
IV.PIEI.HHE. ML:1.4 0.00016450000000000001 0.3 AML other m 2021-12-25T09:34:31.53
IV.ARVD.HHN. ML:1.2 0.00011 0.1 AML other m 2021-12-25T09:34:31.97
IV.ARVD.HHE. ML:1.2 0.00009725 0.12 AML other m 2021-12-25T09:34:32.10
IV.NARO.HHN. ML:1.1 0.00007245 0.06 AML other m 2021-12-25T09:34:32.79
IV.NARO.HHE. ML:1.0 0.00005725 1.4 AML other m 2021-12-25T09:34:32.17
IV.SNTG.HHE. ML:1.0 0.00004635 0.42 AML other m 2021-12-25T09:34:34.21
IV.SNTG.HHN. ML:1.0 0.0000521 1.3 AML other m 2021-12-25T09:34:34.26
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