Earthquake with magnitude of ML -0.1 on date 27-04-2022 and time 21:55:47 (Italy) in region 2 km SW Ussita (MC)

A magnitude ML -0.1 earthquake occured in region: 2 km SW Ussita (MC), on

  • 27-04-2022 19:55:47 (UTC)
  • 27-04-2022 21:55:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 13.1280 at 8 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 3 444 444
Visso MC 3 1107 1551
Castelsantangelo sul Nera MC 4 281 1832
Preci PG 9 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 12 121 2819
Fiastra MC 13 559 3378
Monte Cavallo MC 13 145 3523
Fiordimonte MC 13 202 3725
Pieve Torina MC 15 1458 5183
Norcia PG 15 4957 10140
Pievebovigliana MC 16 866 11006
Montemonaco AP 17 604 11610
Sellano PG 17 1079 12689
Montefortino FM 18 1178 13867
Sarnano MC 19 3264 17131
Muccia MC 19 915 18046
Montegallo AP 19 523 18569
Amandola FM 20 3629 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
95 Km W 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 -0.1 2022-04-27
19:55:47
42.9247 13.1278 9 2022-04-27
20:06:05
Sala Sismica INGV-Roma 103863431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-27 19:55:47 ± 0.14
Latitude 42.9247 ± 0.0036
Longitude 13.1278 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103863431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 39
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) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 12
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) 0.14749
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 6
Magnitude information

ML:-0.1

Field Value
Value -0.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 103863431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-27 20:06:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VARE.HHZ. 2022-04-27T19:57:18.91 3.0 undecidable manual Sn 2.15 0
ST.DOSS.HHZ. 2022-04-27T19:57:01.15 3.0 undecidable manual Sn 2.39 0
ST.VARA.EHZ. 2022-04-27T19:56:58.10 3.0 undecidable manual Sn -0.63 0
OX.MARN.HHZ. 2022-04-27T19:56:54.26 3.0 undecidable manual Sn 1.28 0
IV.MCRV.HHZ. 2022-04-27T19:56:50.31 3.0 undecidable manual Sn -4.38 0
IV.ECTS.HHZ. 2022-04-27T19:56:46.52 3.0 undecidable manual Pn -4.82 0
IV.ZOVE.EHZ. 2022-04-27T19:56:44.98 3.0 undecidable manual Sn -2.71 0
SI.ROSI.HHZ. 2022-04-27T19:56:43.65 3.0 undecidable manual Pg 8.67 0
IV.PTRJ.HHZ. 2022-04-27T19:56:43.20 3.0 undecidable manual Sg 6.38 0
IV.PZUN.HHZ. 2022-04-27T19:56:31.38 3.0 negative manual Pg 6.16 0
IV.LRP.EHZ. 2022-04-27T19:56:16.69 3.0 undecidable manual Sn -3.38 0
IX.SCL3.EHZ.02 2022-04-27T19:56:15.51 3.0 undecidable manual Pn -6.93 0
IV.CAFI.HHZ. 2022-04-27T19:56:01.73 3.0 undecidable manual Sn 2.15 0
IV.CADA.HNZ. 2022-04-27T19:55:55.14 3.0 undecidable manual Pn -0.76 0
IV.SRES.HHZ. 2022-04-27T19:55:54.57 3.0 undecidable manual Pg 6.28 0
IV.LAV9.HHZ. 2022-04-27T19:55:53.45 3.0 negative manual P -1.2 0
IV.MMO1.EHZ. 2022-04-27T19:55:53.77 0.6 undecidable manual S 100 0.1475 117 -0.08 49
IV.FDMO.HHZ. 2022-04-27T19:55:52.65 0.6 undecidable manual S 345 0.1160 124 -0.13 49
7F.SIB3.EHN. 2022-04-27T19:55:52.55 0.6 undecidable manual S 115 0.1151 124 -0.22 48
7F.SIB1.EHZ. 2022-04-27T19:55:52.65 0.6 undecidable manual S 106 0.1079 125 0.1 50
IV.MC2.EHZ. 2022-04-27T19:55:51.07 0.6 undecidable manual S 106 0.0468 149 0.18 49
IV.MMO1.EHZ. 2022-04-27T19:55:51.15 1.0 undecidable manual P 100 0.1475 117 0.01 25
IV.NRCA.HHZ. 2022-04-27T19:55:51.89 0.6 undecidable manual S 186 0.0917 130 -0.15 49
7F.SIB3.EHN. 2022-04-27T19:55:50.47 0.1 undecidable manual P 115 0.1151 124 -0.05 100
IV.NRCA.HHZ. 2022-04-27T19:55:50.24 0.6 undecidable manual P 186 0.0917 130 0.15 49
7F.SIB1.EHZ. 2022-04-27T19:55:50.45 0.1 undecidable manual P 106 0.1079 125 0.06 100
IV.FDMO.HHZ. 2022-04-27T19:55:50.62 1.0 undecidable manual P 345 0.1160 124 0.09 25
IV.MC2.EHZ. 2022-04-27T19:55:49.51 1.0 undecidable manual P 106 0.0468 149 0.08 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.2 0.0000212 0.16 AML other m 2022-04-27T19:55:52.15
IV.NRCA.HHN. ML:0.2 0.00001905 0.14 AML other m 2022-04-27T19:55:53.79
ST.DOSS.HHE. ML:2.5 0.00002465 0.64 AML other m 2022-04-27T19:57:02.34
ST.DOSS.HHN. ML:2.4 0.00002225 1.74 AML other m 2022-04-27T19:57:03.00
IV.MC2.EHE. ML:0.0 0.00004824879999999999 0.32 AML other m 2022-04-27T19:55:52.42
IV.MC2.EHN. ML:0.0 0.00008725479999999999 0.1792 AML other m 2022-04-27T19:55:51.28
IV.FDMO.HHE. ML:-0.4 0.000007337985999999999 0.2176 AML other m 2022-04-27T19:55:54.71
IV.FDMO.HHN. ML:-0.4 0.0000070971455 0.1792 AML other m 2022-04-27T19:55:53.38
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