Earthquake with magnitude of ML 1.3 on date 22-02-2022 and time 08:56:27 (Italy) in region 3 km N Assisi (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km N Assisi (PG), on

  • 22-02-2022 07:56:27 (UTC)
  • 22-02-2022 08:56:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1030, 12.6220 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
Assisi PG 4 28299 28299
Valfabbrica PG 7 3389 31688
Bastia Umbra PG 7 21874 53562
Valtopina PG 12 1398 54960
Cannara PG 12 4305 59265
Spello PG 13 8645 67910
Nocera Umbra PG 14 5839 73749
Bettona PG 15 4367 78116
Torgiano PG 17 6725 84841
Foligno PG 18 57155 141996
Bevagna PG 19 5081 147077
Perugia PG 19 166134 313211
Gualdo Tadino PG 20 15208 328419

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Foligno (57155 inhabitants)
19 Km E of Perugia (166134 inhabitants)
60 Km N of Terni (111501 inhabitants)
72 Km SE of Arezzo (99543 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
89 Km SW of Fano (60888 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km S of Pesaro (94582 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 1.3 2022-02-22
07:56:27
43.1027 12.6223 9 2022-07-08
12:33:54
Bollettino Sismico Italiano INGV 104405751
Reviewed
Rev100
ML 1.5 2022-02-22
07:56:27
43.0952 12.6207 9 2022-02-22
08:01:38
Sala Sismica INGV-Roma 101283051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-22 07:56:27 ± 0.06
Latitude 43.1027 ± 0.0027
Longitude 12.6223 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104405751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 101283051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-22 08:01:38

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 104405751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-09 14:50:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HNZ. 2022-02-22T07:56:44.20 0.3 undecidable manual S 127 49.8168 50 0.39 65
IV.CSP1.EHZ. 2022-02-22T07:56:43.61 0.6 undecidable manual S 91 47.2194 50 0.51 42
IV.ATVO.HHZ. 2022-02-22T07:56:40.03 0.6 undecidable manual S 331 35.5422 50 0.03 48
IV.FDMO.HHZ. 2022-02-22T07:56:40.90 0.6 undecidable manual S 101 38.4282 50 0.15 46
IV.TB02.DHZ. 2022-02-22T07:56:39.77 0.3 undecidable manual S 330 34.3434 50 0.1 71
IV.MOMA.HNZ. 2022-02-22T07:56:39.60 0.3 undecidable manual S 187 33.4443 50 0.18 70
IV.ATLO.EHZ. 2022-02-22T07:56:38.26 0.6 undecidable manual S 324 29.2485 107 -0.03 48
IV.SNTG.HHE. 2022-02-22T07:56:38.73 0.6 undecidable manual S 57 30.747 50 0.01 48
IV.MML1.HNZ. 2022-02-22T07:56:38.00 0.6 undecidable manual S 87 28.3494 108 0.04 48
IV.NRCA.HNZ. 2022-02-22T07:56:36.90 0.1 undecidable manual P 127 49.8168 50 -0.07 92
IV.CESI.HHZ. 2022-02-22T07:56:36.98 0.3 undecidable manual S 115 25.3524 110 0 74
IV.FOSV.HNZ. 2022-02-22T07:56:36.68 0.6 undecidable manual S 28 24.0537 111 0.1 48
IV.CSP1.EHZ. 2022-02-22T07:56:36.05 0.6 positive manual P 91 47.2194 50 -0.51 42
IV.MURB.HHZ. 2022-02-22T07:56:35.68 0.6 undecidable manual S 336 19.4694 115 0.58 43
IV.MOMA.HNZ. 2022-02-22T07:56:34.60 0.1 undecidable manual P 187 33.4443 50 0.16 94
IV.ATVO.HHZ. 2022-02-22T07:56:34.57 0.1 undecidable manual P 331 35.5422 50 -0.2 92
IV.TB02.DHZ. 2022-02-22T07:56:34.35 0.1 undecidable manual P 330 34.3434 50 -0.23 92
IV.FDMO.HHZ. 2022-02-22T07:56:34.72 0.1 undecidable manual P 101 38.4282 50 -0.49 87
IV.ATLO.EHZ. 2022-02-22T07:56:33.57 0.1 undecidable manual P 324 29.2485 107 -0.21 93
IV.SNTG.HHE. 2022-02-22T07:56:33.90 0.1 positive manual P 57 30.747 50 -0.14 94
IV.MML1.HNZ. 2022-02-22T07:56:33.56 0.1 undecidable manual P 87 28.3494 108 -0.04 97
IV.CESI.HHZ. 2022-02-22T07:56:33.01 0.1 undecidable manual P 115 25.3524 110 -0.02 98
IV.FOSV.HNZ. 2022-02-22T07:56:32.89 0.1 undecidable manual P 28 24.0537 111 0.09 96
IV.MURB.HHZ. 2022-02-22T07:56:32.16 0.1 negative manual P 336 19.4694 115 0.22 95
IV.ATCC.EHZ. 2022-02-22T07:56:32.08 0.3 undecidable manual S 9 9.2796 135 -0.08 74
IV.ASSB.HHE. 2022-02-22T07:56:31.43 0.6 undecidable manual S 156 7.2927 142 -0.28 48
IV.ASSB.HHE. 2022-02-22T07:56:30.04 0.1 negative manual P 156 7.2927 142 0.06 100
IV.ATCC.EHZ. 2022-02-22T07:56:30.43 0.3 positive manual P 9 9.2796 135 0.18 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.4 0.0003875 0.76 AML other m 2022-02-22T07:56:32.16
IV.ATCC.EHN. ML:1.5 0.0004545 1.24 AML other m 2022-02-22T07:56:32.26
IV.MURB.HHN. ML:1.3 0.00014914464999999998 0.2816 AML other m 2022-02-22T07:56:36.00
IV.MURB.HHE. ML:1.2 0.00012202106 0.16 AML other m 2022-02-22T07:56:36.28
IV.MOMA.HHN. ML:0.9 0.00003428065 0.1984 AML other m 2022-02-22T07:56:40.72
IV.MOMA.HHE. ML:1.1 0.00005407684 0.256 AML other m 2022-02-22T07:56:40.77
IV.CSP1.EHN. ML:1.2 0.00004067786999999999 0.6464 AML other m 2022-02-22T07:56:43.62
IV.CSP1.EHE. ML:1.4 0.000062950275 0.2176 AML other m 2022-02-22T07:56:43.82
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