Earthquake with magnitude of ML 0.7 on date 30-01-2022 and time 04:51:22 (UTC) in region 4 km W Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km W Nocera Umbra (PG), on

  • 30-01-2022 04:51:22 (UTC)
  • 30-01-2022 05:51:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1210, 12.7470 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Nocera Umbra PG 4 5839 5839
Valtopina PG 7 1398 7237
Assisi PG 12 28299 35536
Valfabbrica PG 13 3389 38925
Gualdo Tadino PG 13 15208 54133
Spello PG 15 8645 62778
Sefro MC 17 422 63200
Fiuminata MC 17 1402 64602
Bastia Umbra PG 17 21874 86476
Serravalle di Chienti MC 18 1070 87546
Foligno PG 19 57155 144701
Cannara PG 19 4305 149006
Fossato di Vico PG 19 2840 151846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Foligno (57155 inhabitants)
29 Km E of Perugia (166134 inhabitants)
63 Km N of Terni (111501 inhabitants)
80 Km E of Arezzo (99543 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
83 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
93 Km NW of Teramo (54892 inhabitants)
94 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
Bulletin
Rev1000
ML 0.7 2022-01-30
04:51:22
43.1208 12.7468 9 2022-07-08
12:33:37
Bollettino Sismico Italiano INGV 102071891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-30 04:51:22 ± 0.14
Latitude 43.1208 ± 0.0027
Longitude 12.7468 ± 0.0025
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102071891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
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) 0.19425
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 102071891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-17 13:42:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2022-01-30T04:51:30.85 0.1 undecidable manual S 46 21.5673 113 -0.09 97
IV.SSFR.HHZ. 2022-01-30T04:51:30.47 3.0 undecidable manual Pg 0.02 0
IV.MML1.EHZ. 2022-01-30T04:51:29.98 0.1 undecidable manual S 93 18.2706 117 0.1 97
IV.ASSB.HHZ. 2022-01-30T04:51:27.75 0.3 undecidable manual S 219 11.2776 130 -0.1 74
IV.SNTG.HHZ. 2022-01-30T04:51:27.42 0.1 undecidable manual P 46 21.5673 113 -0.07 97
IV.ATCC.EHZ. 2022-01-30T04:51:27.86 0.1 undecidable manual S 310 11.1777 130 0.03 100
IV.MML1.EHZ. 2022-01-30T04:51:26.91 0.1 undecidable manual P 93 18.2706 117 0.03 98
IV.ATCC.EHZ. 2022-01-30T04:51:25.80 0.1 negative manual P 310 11.1777 130 0.1 98
IV.ASSB.HHZ. 2022-01-30T04:51:25.69 0.1 positive manual P 219 11.2776 130 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.6 0.0000549 0.24 AML other m 2022-01-30T04:51:28.23
IV.ATCC.EHN. ML:0.5 0.0000383 0.94 AML other m 2022-01-30T04:51:28.94
IV.ASSB.HHE. ML:0.6 0.0000528 0.2 AML other m 2022-01-30T04:51:28.72
IV.ASSB.HHN. ML:0.5 0.000035999999999999994 1.36 AML other m 2022-01-30T04:51:28.20
IV.SSFR.HHN. ML:1.4 0.00009525 1.04 AML other m 2022-01-30T04:51:33.08
IV.SSFR.HHE. ML:1.2 0.00006375 1 AML other m 2022-01-30T04:51:33.42
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