Earthquake with magnitude of ML 0.4 on date 25-04-2022 and time 22:32:34 (Italy) in region 1 km W Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 1 km W Castelsantangelo sul Nera (MC), on

  • 25-04-2022 20:32:34 (UTC)
  • 25-04-2022 22:32:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8970, 13.1430 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
Castelsantangelo sul Nera MC 1 281 281
Ussita MC 5 444 725
Visso MC 6 1107 1832
Preci PG 9 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 15 604 8259
Acquacanina MC 15 121 8380
Fiastra MC 16 559 8939
Monte Cavallo MC 16 145 9084
Fiordimonte MC 16 202 9286
Montegallo AP 17 523 9809
Montefortino FM 17 1178 10987
Sellano PG 18 1079 12066
Pieve Torina MC 18 1458 13524
Arquata del Tronto AP 19 1178 14702
Pievebovigliana MC 19 866 15568
Amandola FM 20 3629 19197

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 Km W of Pescara (121014 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 0.4 2022-04-25
20:32:34
42.8968 13.1433 7 2022-04-25
20:39:24
Sala Sismica INGV-Roma 103778221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-25 20:32:34 ± 0.17
Latitude 42.8968 ± 0.0036
Longitude 13.1433 ± 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 103778221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.20505
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 103778221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-25 20:39:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2022-04-25T20:32:43.08 0.6 undecidable manual S 302 22.755 106 0.23 95
IV.MMO1.EHZ. 2022-04-25T20:32:40.33 0.6 undecidable manual S 89 14.874 114 0.06 99
IV.FDMO.HHZ. 2022-04-25T20:32:40.61 0.6 undecidable manual S 344 16.1727 112 -0.06 99
IV.CESI.HHZ. 2022-04-25T20:32:39.18 0.6 undecidable manual P 302 22.755 106 -0.19 95
IV.CSP1.EHZ. 2022-04-25T20:32:39.22 0.6 positive manual P 13 22.1556 106 -0.04 99
IV.FDMO.HHZ. 2022-04-25T20:32:38.07 1.0 undecidable manual P 344 16.1727 112 -0.04 50
IV.NRCA.HHZ. 2022-04-25T20:32:37.95 0.6 undecidable manual S 199 7.3815 132 -0.1 100
IV.MMO1.EHZ. 2022-04-25T20:32:37.91 0.6 positive manual P 89 14.874 114 0.03 100
IV.NRCA.HHZ. 2022-04-25T20:32:36.70 0.6 undecidable manual P 199 7.3815 132 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.7 0.00005434999999999999 0.4 AML other m 2022-04-25T20:32:40.48
IV.MMO1.EHN. ML:0.5 0.00003505 0.08 AML other m 2022-04-25T20:32:40.74
IV.FDMO.HHE. ML:0.2 0.00001715 1.2 AML other m 2022-04-25T20:32:42.05
IV.FDMO.HHN. ML:0.2 0.0000164 0.4 AML other m 2022-04-25T20:32:42.14
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