Earthquake with magnitude of ML 0.8 on date 20-05-2022 and time 14:25:54 (Italy) in region 4 km NW Ussita (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km NW Ussita (MC), on

  • 20-05-2022 12:25:54 (UTC)
  • 20-05-2022 14:25:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9750, 13.1090 at 15 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 4 444 444
Visso MC 5 1107 1551
Fiordimonte MC 7 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Monte Cavallo MC 9 145 2578
Pieve Torina MC 9 1458 4036
Castelsantangelo sul Nera MC 10 281 4317
Pievebovigliana MC 10 866 5183
Bolognola MC 10 142 5325
Preci PG 12 724 6049
Muccia MC 13 915 6964
Serravalle di Chienti MC 17 1070 8034
Sarnano MC 17 3264 11298
Sellano PG 18 1079 12377
Camerino MC 18 6974 19351
Montefortino FM 19 1178 20529
Cessapalombo MC 19 512 21041
Montemonaco AP 20 604 21645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 2022-05-20
12:25:54
42.9747 13.1087 15 2022-05-20
12:33:42
Sala Sismica INGV-Roma 104908481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-20 12:25:54 ± 0.15
Latitude 42.9747 ± 0.0045
Longitude 13.1087 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104908481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17627
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
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 104908481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-20 12:33:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCL.EHZ. 2022-05-20T12:26:51.93 3.0 undecidable manual Sg 4.82 0
IV.CPGN.EHZ. 2022-05-20T12:26:29.36 3.0 undecidable manual Sn 0.17 0
IV.CESI.HHZ. 2022-05-20T12:26:01.30 0.3 undecidable manual S 282 16.872 119 -0.05 74
IV.CSP1.EHZ. 2022-05-20T12:26:00.70 0.3 undecidable manual S 31 15.1737 123 -0.26 71
IV.NRCA.HHZ. 2022-05-20T12:26:00.80 0.3 undecidable manual S 178 15.6732 122 -0.26 71
IV.MC2.EHZ. 2022-05-20T12:25:59.90 0.3 undecidable manual S 137 9.5793 139 0.07 75
IV.CESI.HHZ. 2022-05-20T12:25:58.39 0.1 undecidable manual P 282 16.872 119 0.11 98
IV.MMO1.EHZ. 2022-05-20T12:25:58.71 0.3 negative manual P 115 19.5693 113 0.06 74
IV.CSP1.EHZ. 2022-05-20T12:25:58.10 0.1 undecidable manual P 31 15.1737 123 0.05 100
IV.NRCA.HHZ. 2022-05-20T12:25:58.14 0.3 undecidable manual P 178 15.6732 122 0.03 75
IV.MC2.EHZ. 2022-05-20T12:25:57.54 0.1 undecidable manual P 137 9.5793 139 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.000052199999999999995 0.46 AML other m 2022-05-20T12:26:01.25
IV.CESI.HHN. ML:0.0 0.00003155 0.9 AML other m 2022-05-20T12:26:01.99
IV.NRCA.HHE. ML:0.0 0.00005105 0.82 AML other m 2022-05-20T12:26:02.47
IV.CESI.HHE. ML:0.0 0.0000224 0.48 AML other m 2022-05-20T12:26:02.43
IV.MC2.EHE. ML:0.9 0.0000871485 0.096 AML other m 2022-05-20T12:26:00.00
IV.MC2.EHN. ML:1.2 0.00015797085 0.1408 AML other m 2022-05-20T12:26:00.28
IV.CSP1.EHE. ML:0.8 0.00005149303 0.0832 AML other m 2022-05-20T12:26:00.96
IV.CSP1.EHN. ML:0.9 0.00006744724 0.16 AML other m 2022-05-20T12:26:00.91
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