Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 04-05-2022 and time 09:16:24 (UTC) in region 7 km W Sassoferrato (AN)

A magnitude ML 0.9 earthquake occured in region: 7 km W Sassoferrato (AN), on

  • 04-05-2022 09:16:24 (UTC)
  • 04-05-2022 11:16:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4240, 12.7800 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassoferrato AN 7 7285 7285
Serra Sant'Abbondio PU 8 1027 8312
Costacciaro PG 9 1216 9528
Scheggia e Pascelupo PG 9 1393 10921
Frontone PU 11 1300 12221
Sigillo PG 11 2404 14625
Genga AN 13 1797 16422
Cantiano PU 13 2245 18667
Fabriano AN 14 31480 50147
Fossato di Vico PG 14 2840 52987
Arcevia AN 16 4612 57599
Pergola PU 16 6333 63932
Cagli PU 17 8731 72663
Gubbio PG 18 32216 104879
Serra San Quirico AN 19 2850 107729

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
51 Km SW of Fano (60888 inhabitants)
52 Km N of Foligno (57155 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
73 Km S of Rimini (147750 inhabitants)
90 Km SE of Cesena (96758 inhabitants)
97 Km N of Terni (111501 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 0.9 2022-05-04
09:16:24		 43.4242 12.7795 11 2023-01-31
19:03:09		 Bollettino Sismico Italiano INGV 104384101
Reviewed
Rev100 		ML 1.0 2022-05-04
09:16:24		 43.4198 12.7888 14 2022-05-04
09:27:37		 Sala Sismica INGV-Roma 104165691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-04 09:16:24 ± 0.08
Latitude 43.4242 ± 0.0054
Longitude 12.7795 ± 0.0074
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104384101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24102
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 104384101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-31 11:11:21

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 104165691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-04 09:27:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.TAR1.HHZ. 2022-05-04T09:18:08.84 3.0 undecidable manual Sn -0.26 0
IV.SPS2.HHZ. 2022-05-04T09:17:45.01 3.0 negative manual Pg 16.469999 0
IV.MSSA.HHZ. 2022-05-04T09:17:39.76 3.0 undecidable manual Sn 0.12 0
IV.PTRJ.HHZ. 2022-05-04T09:17:26.71 3.0 undecidable manual Sn 2.97 0
IV.TDS.HHZ. 2022-05-04T09:17:25.38 3.0 undecidable manual Pn 1.33 0
ST.RONC.EHZ. 2022-05-04T09:17:07.50 3.0 negative manual Pn 0.34 0
IV.MOMA.HHZ. 2022-05-04T09:16:35.60 3.0 negative manual P -0.29 0
IV.GAVE.EHZ. 2022-05-04T09:16:35.26 3.0 positive manual P 0.08 0
IV.NARO.HHZ. 2022-05-04T09:16:34.31 0.6 undecidable manual S 322 26.1516 90 0.01 49
IV.ATPC.HNE. 2022-05-04T09:16:34.97 0.3 undecidable manual S 284 26.751 90 0.52 64
IV.PIEI.HNN. 2022-05-04T09:16:33.27 0.3 undecidable manual S 302 23.2545 90 -0.25 71
IV.SNTG.HHE. 2022-05-04T09:16:33.28 0.6 undecidable manual S 145 22.8549 90 -0.13 47
IV.MPAG.EHZ. 2022-05-04T09:16:33.31 0.3 undecidable manual S 356 22.755 90 -0.09 72
IV.FOSV.HNE. 2022-05-04T09:16:31.08 0.6 undecidable manual S 186 14.3745 91 -0.09 49
IV.NARO.HHZ. 2022-05-04T09:16:30.15 0.3 undecidable manual P 322 26.1516 90 -0.16 71
IV.ATPC.HNE. 2022-05-04T09:16:30.24 0.3 undecidable manual P 284 26.751 90 -0.16 72
IV.SNTG.HHE. 2022-05-04T09:16:29.97 0.3 undecidable manual P 145 22.8549 90 0.17 73
IV.MPAG.EHZ. 2022-05-04T09:16:29.73 0.3 undecidable manual P 356 22.755 90 -0.06 73
IV.ATSC.EHN. 2022-05-04T09:16:29.75 0.3 undecidable manual S 270 7.4814 133 0.25 72
IV.SSFR.HHZ. 2022-05-04T09:16:29.05 0.3 undecidable manual S 9 1.3986 171 0.31 73
IV.PIEI.HNN. 2022-05-04T09:16:29.56 0.3 undecidable manual P 302 23.2545 90 -0.3 70
IV.FOSV.HNE. 2022-05-04T09:16:28.35 0.3 undecidable manual P 186 14.3745 91 -0.15 73
IV.ATSC.EHN. 2022-05-04T09:16:27.62 0.1 undecidable manual P 270 7.4814 133 0.08 100
IV.SSFR.HHZ. 2022-05-04T09:16:27.29 0.1 undecidable manual P 9 1.3986 171 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.0 0.00018906015 0.0768 AML other m 2022-05-04T09:16:29.14
IV.SSFR.HNN. ML:1.2 0.00027662155 0.0576 AML other m 2022-05-04T09:16:29.18
IV.SSFR.HNE. ML:1.0 0.000150204825 0.064 AML other m 2022-05-04T09:16:29.32
IV.SSFR.HHE. ML:0.9 0.0001261489 0.0768 AML other m 2022-05-04T09:16:29.33
IV.NARO.HHE. ML:0.3 0.0000087399965 0.0576 AML other m 2022-05-04T09:16:34.62
IV.NARO.HHN. ML:0.3 0.000008826354 0.0576 AML other m 2022-05-04T09:16:34.61
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