Earthquake with magnitude of ML 0.8 on date 23-05-2022 and time 14:38:58 (Italy) in region 1 km N Ussita (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km N Ussita (MC), on

  • 23-05-2022 12:38:58 (UTC)
  • 23-05-2022 14:38:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9560, 13.1400 at 7 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
Ussita MC 1 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 7 281 1832
Bolognola MC 8 142 1974
Acquacanina MC 9 121 2095
Fiastra MC 9 559 2654
Fiordimonte MC 10 202 2856
Preci PG 12 724 3580
Monte Cavallo MC 12 145 3725
Pieve Torina MC 12 1458 5183
Pievebovigliana MC 13 866 6049
Sarnano MC 16 3264 9313
Muccia MC 16 915 10228
Montefortino FM 17 1178 11406
Montemonaco AP 17 604 12010
Amandola FM 18 3629 15639
Norcia PG 18 4957 20596
Sellano PG 19 1079 21675
Cessapalombo MC 20 512 22187

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 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 2022-05-23
12:38:58
42.9558 13.1395 7 2022-05-23
12:46:54
Sala Sismica INGV-Roma 105054561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-23 12:38:58 ± 0.11
Latitude 42.9558 ± 0.0027
Longitude 13.1395 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 105054561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.19965
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 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 105054561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-23 12:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2022-05-23T12:39:06.70 0.3 undecidable manual S 322 22.1556 108 0.36 69
IV.CESI.HHZ. 2022-05-23T12:39:05.83 0.3 undecidable manual S 286 19.869 110 0.25 71
IV.CSP1.EHZ. 2022-05-23T12:39:04.48 0.3 undecidable manual S 19 15.9729 114 0.14 73
IV.MMO1.EHZ. 2022-05-23T12:39:04.55 0.3 undecidable manual S 112 16.4724 114 0.06 75
IV.NRCA.HHZ. 2022-05-23T12:39:03.80 0.3 undecidable manual S 189 13.6752 118 0.17 73
7F.SIB1.EHE. 2022-05-23T12:39:03.07 0.3 undecidable manual S 123 12.5763 120 -0.22 73
IV.CESI.HHZ. 2022-05-23T12:39:02.38 0.3 undecidable manual P 286 19.869 110 -0.1 73
IT.MTCL.HGE. 2022-05-23T12:39:02.79 0.3 undecidable manual S 290 12.1767 121 -0.37 70
IV.MML1.EHZ. 2022-05-23T12:39:02.76 0.3 undecidable manual P 322 22.1556 108 -0.16 72
IV.FDMO.HHZ. 2022-05-23T12:39:02.53 0.3 undecidable manual S 335 9.879 126 0.02 76
IV.NRCA.HHZ. 2022-05-23T12:39:01.41 0.1 undecidable manual P 189 13.6752 118 0.05 100
7F.SIB1.EHE. 2022-05-23T12:39:01.18 0.3 undecidable manual P 123 12.5763 120 0.02 76
IV.FEMA.HNE. 2022-05-23T12:39:01.77 0.3 undecidable manual S 276 7.2927 135 -0.06 76
IV.CSP1.EHZ. 2022-05-23T12:39:01.55 0.6 negative manual P 19 15.9729 114 -0.22 48
IV.MC2.EHZ. 2022-05-23T12:39:01.70 0.3 undecidable manual S 141 6.3936 139 0.1 75
IV.MMO1.EHZ. 2022-05-23T12:39:01.90 0.6 positive manual P 112 16.4724 114 0.05 50
IV.MC2.EHZ. 2022-05-23T12:39:00.15 0.3 undecidable manual P 141 6.3936 139 -0.03 76
IV.FDMO.HHZ. 2022-05-23T12:39:00.69 0.3 undecidable manual P 335 9.879 126 -0.02 76
IT.MTCL.HGE. 2022-05-23T12:39:00.99 0.3 undecidable manual P 290 12.1767 121 -0.09 74
IV.FEMA.HNE. 2022-05-23T12:39:00.32 0.3 undecidable manual P 276 7.2927 135 0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.00009595 1.12 AML other m 2022-05-23T12:39:04.20
IV.NRCA.HHE. ML:1.2 0.000193 0.12 AML other m 2022-05-23T12:39:04.55
IV.MMO1.EHE. ML:0.4 0.000025450000000000002 1.12 AML other m 2022-05-23T12:39:05.78
IV.MMO1.EHN. ML:0.6 0.00004045 0.26 AML other m 2022-05-23T12:39:05.89
IV.CSP1.EHE. ML:1.0 0.00010005 0.52 AML other m 2022-05-23T12:39:06.13
IV.CSP1.EHN. ML:1.0 0.00009375 0.64 AML other m 2022-05-23T12:39:06.18
IV.CESI.HHN. ML:0.7 0.000041 0.82 AML other m 2022-05-23T12:39:07.09
IV.CESI.HHE. ML:0.6 0.00003285 0.92 AML other m 2022-05-23T12:39:07.51
IV.MML1.EHN. ML:0.6 0.00002765 0.22 AML other m 2022-05-23T12:39:08.45
IV.MML1.EHE. ML:0.5 0.000021249999999999998 0.74 AML other m 2022-05-23T12:39:08.82
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