Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 02-02-2022 and time 22:57:06 (UTC) in region 4 km SE Nocera Umbra (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km SE Nocera Umbra (PG), on

  • 02-02-2022 22:57:06 (UTC)
  • 02-02-2022 23:57:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0890, 12.8230 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Nocera Umbra PG 4 5839 5839
Valtopina PG 6 1398 7237
Serravalle di Chienti MC 11 1070 8307
Sefro MC 12 422 8729
Fiuminata MC 14 1402 10131
Gualdo Tadino PG 16 15208 25339
Spello PG 16 8645 33984
Pioraco MC 17 1134 35118
Assisi PG 17 28299 63417
Foligno PG 18 57155 120572
Muccia MC 18 915 121487
Monte Cavallo MC 18 145 121632
Pieve Torina MC 19 1458 123090
Valfabbrica PG 20 3389 126479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Foligno (57155 inhabitants)
35 Km E of Perugia (166134 inhabitants)
60 Km N of Terni (111501 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
86 Km S of Fano (60888 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
87 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
95 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 0.8 2022-02-02
22:57:06		 43.0893 12.8232 9 2022-02-02
23:03:17		 Sala Sismica INGV-Roma 100541331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-02 22:57:06 ± 0.05
Latitude 43.0893 ± 0.0027
Longitude 12.8232 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100541331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.34894
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 100541331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-02 23:03:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HNZ. 2022-02-02T22:57:14.04 0.6 undecidable manual S 27 20.6682 114 -0.02 66
IV.ATSC.EHE. 2022-02-02T22:57:13.89 1.0 undecidable manual P 343 38.7279 50 0.1 31
IV.SSFR.HHZ. 2022-02-02T22:57:13.69 0.3 negative manual P 355 38.628 50 -0.08 95
IV.ATCC.EHZ. 2022-02-02T22:57:13.38 0.6 undecidable manual S 306 18.2706 117 0.09 65
IV.EL6.EHZ. 2022-02-02T22:57:13.02 0.6 undecidable manual P 40 34.8429 50 -0.17 63
IV.CSP1.EHZ. 2022-02-02T22:57:12.80 1.0 undecidable manual P 89 30.9468 50 0.21 31
IV.MML1.EHZ. 2022-02-02T22:57:11.51 0.3 undecidable manual S 77 12.2766 127 -0.05 100
IV.ASSB.HHZ. 2022-02-02T22:57:11.87 0.6 undecidable manual S 249 14.2746 123 -0.25 64
IV.CESI.HHZ. 2022-02-02T22:57:11.24 0.3 undecidable manual S 145 11.4774 129 -0.07 100
IV.ATCC.EHZ. 2022-02-02T22:57:10.40 1.0 positive manual P 306 18.2706 117 0.11 33
IV.FDMO.HHZ. 2022-02-02T22:57:10.98 1.0 positive manual P 105 22.1556 113 -0.03 33
IV.SNTG.HNZ. 2022-02-02T22:57:10.74 0.6 undecidable manual P 27 20.6682 114 0.01 66
IV.CESI.HHZ. 2022-02-02T22:57:09.35 0.6 positive manual P 145 11.4774 129 0.21 65
IV.MML1.EHZ. 2022-02-02T22:57:09.38 0.6 undecidable manual P 77 12.2766 127 0.1 66
IV.ASSB.HHZ. 2022-02-02T22:57:09.77 0.6 negative manual P 249 14.2746 123 0.17 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.9 0.000101 0.14 AML other m 2022-02-02T22:57:11.58
IV.MML1.EHE. ML:0.7 0.00005495 0.2 AML other m 2022-02-02T22:57:11.60
IV.CESI.HHE. ML:0.6 0.0000485 0.44 AML other m 2022-02-02T22:57:11.59
IV.ASSB.HHN. ML:0.8 0.00006365 1.78 AML other m 2022-02-02T22:57:11.00
IV.CESI.HHN. ML:0.5 0.000035000000000000004 0.5 AML other m 2022-02-02T22:57:11.65
IV.ASSB.HHE. ML:0.7 0.000056999999999999996 1.42 AML other m 2022-02-02T22:57:13.71
IV.SSFR.HHE. ML:0.9 0.00002965 1.76 AML other m 2022-02-02T22:57:21.97
IV.SSFR.HHN. ML:0.9 0.000030305 0.2 AML other m 2022-02-02T22:57:21.33
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