Earthquake with magnitude of ML 0.7 on date 18-03-2022 and time 05:20:50 (UTC) in region 4 km NE Spello (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Spello (PG), on

  • 18-03-2022 05:20:50 (UTC)
  • 18-03-2022 06:20:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0290, 12.6930 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
Spello PG 4 8645 8645
Valtopina PG 6 1398 10043
Assisi PG 8 28299 38342
Foligno PG 8 57155 95497
Cannara PG 10 4305 99802
Nocera Umbra PG 12 5839 105641
Bastia Umbra PG 12 21874 127515
Bevagna PG 12 5081 132596
Montefalco PG 15 5679 138275
Valfabbrica PG 16 3389 141664
Bettona PG 17 4367 146031
Gualdo Cattaneo PG 17 6155 152186
Trevi PG 17 8469 160655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
52 Km N of Terni (111501 inhabitants)
82 Km SE of Arezzo (99543 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
100 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 0.7 2022-03-18
05:20:50
43.0287 12.6933 9 2022-07-08
12:33:58
Bollettino Sismico Italiano INGV 104863171
Reviewed
Rev100
ML 0.8 2022-03-18
05:20:51
43.026 12.6958 5 2022-03-18
05:25:20
Sala Sismica INGV-Roma 102092371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-18 05:20:50 ± 0.12
Latitude 43.0287 ± 0.0054
Longitude 12.6933 ± 0.0086
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 104863171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 546
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 104863171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-19 11:00:50

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 102092371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-18 05:25:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENL.EHZ. 2022-03-18T05:22:04.59 3.0 undecidable manual Sg 0.2 0
IV.PTRJ.HHZ. 2022-03-18T05:21:40.60 3.0 undecidable manual Sn 11.1 0
IV.FRON.EHZ. 2022-03-18T05:21:14.18 3.0 undecidable manual Sg -6.23 0
IV.SSFR.HHZ. 2022-03-18T05:21:06.83 3.0 undecidable manual S 0
IV.SSFR.HHZ. 2022-03-18T05:21:03.85 3.0 undecidable manual P 0
IV.FDMO.HHN. 2022-03-18T05:21:02.29 1.0 undecidable manual S 88 31.9458 50 -0.12 24
IV.SNTG.HHE. 2022-03-18T05:21:02.18 0.6 undecidable manual S 38 32.1456 50 -0.27 46
IV.MML1.EHZ. 2022-03-18T05:21:00.13 0.6 undecidable manual S 67 24.4533 110 0.11 49
IV.MOMA.HNZ. 2022-03-18T05:21:00.82 0.6 undecidable manual S 202 26.8509 109 0 49
IV.ATCC.EHZ. 2022-03-18T05:20:58.17 0.6 undecidable manual S 346 17.871 117 0.23 48
IV.CESI.HHZ. 2022-03-18T05:20:57.84 0.6 undecidable manual S 99 17.3715 118 0.08 50
IV.MOMA.HNZ. 2022-03-18T05:20:57.02 0.6 undecidable manual P 202 26.8509 109 0.36 46
IV.SNTG.HHE. 2022-03-18T05:20:57.43 0.1 undecidable manual P 38 32.1456 50 -0.17 95
IV.FDMO.HHN. 2022-03-18T05:20:57.41 0.6 undecidable manual P 88 31.9458 50 -0.16 47
IV.MURB.HHE. 2022-03-18T05:20:57.62 0.6 undecidable manual P 332 29.3484 107 0.49 45
IV.MML1.EHZ. 2022-03-18T05:20:56.24 0.1 undecidable manual P 67 24.4533 110 0.04 99
IV.CESI.HHZ. 2022-03-18T05:20:55.14 0.6 positive manual P 99 17.3715 118 0.25 48
IV.ATCC.EHZ. 2022-03-18T05:20:55.31 0.6 undecidable manual P 346 17.871 117 0.32 47
IV.ASSB.HHZ. 2022-03-18T05:20:53.40 0.6 undecidable manual S 299 3.1968 160 -0.91 39
IV.RIBO.EHZ.01 2022-03-18T05:20:53.06 3.0 undecidable manual P 0.27 0
IV.ASSB.HHZ. 2022-03-18T05:20:52.75 0.1 undecidable manual P 299 3.1968 160 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.00003955 0.54 AML other m 2022-03-18T05:20:58.19
IV.CESI.HHE. ML:0.8 0.000049250000000000004 0.26 AML other m 2022-03-18T05:20:58.32
IV.ATCC.EHE. ML:0.9 0.00006460379 0.2592 AML other m 2022-03-18T05:20:58.70
IV.ATCC.EHN. ML:0.7 0.000040875010000000005 0.2976 AML other m 2022-03-18T05:20:58.49
IV.MML1.EHE. ML:0.8 0.000041182335 0.16 AML other m 2022-03-18T05:21:00.70
IV.MML1.EHN. ML:0.7 0.00003202373 0.16 AML other m 2022-03-18T05:21:00.73
IV.SSFR.HHN. ML:0.7 0.0000125352542 0.1792 AML other m 2022-03-18T05:21:13.99
IV.SSFR.HHE. ML:0.7 0.000013537554 0.1792 AML other m 2022-03-18T05:21:07.66
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