Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 27-04-2022 and time 00:25:56 (Italy) in region 4 km W Cagli (PU)

A magnitude ML 0.9 earthquake occured in region: 4 km W Cagli (PU), on

  • 26-04-2022 22:25:56 (UTC)
  • 27-04-2022 00:25:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5460, 12.6030 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cagli PU 4 8731 8731
Cantiano PU 8 2245 10976
Piobbico PU 9 2029 13005
Acqualagna PU 10 4393 17398
Frontone PU 12 1300 18698
Apecchio PU 15 1882 20580
Serra Sant'Abbondio PU 15 1027 21607
Fermignano PU 15 8596 30203
Urbania PU 15 7099 37302
Scheggia e Pascelupo PG 17 1393 38695
Pietralunga PG 18 2111 40806
Peglio PU 19 696 41502
Pergola PU 19 6333 47835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Fano (60888 inhabitants)
48 Km SW of Pesaro (94582 inhabitants)
52 Km NE of Perugia (166134 inhabitants)
57 Km S of Rimini (147750 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
66 Km N of Foligno (57155 inhabitants)
72 Km SE of Cesena (96758 inhabitants)
74 Km W of Ancona (100861 inhabitants)
88 Km SE of Forlì (117913 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 0.9 2022-04-26
22:25:56		 43.5463 12.6028 11 2022-04-26
22:38:58		 Sala Sismica INGV-Roma 103818031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-26 22:25:56 ± 0.04
Latitude 43.5463 ± 0.0027
Longitude 12.6028 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103818031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
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) 68
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.50542
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 103818031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-26 22:38:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2022-04-26T22:26:06.75 0.1 undecidable manual P 175 56.0994 50 0.08 91
IV.ATFO.HHZ. 2022-04-26T22:26:04.33 0.3 undecidable manual S 187 20.0688 50 -0.12 73
IV.SSFR.HHZ. 2022-04-26T22:26:04.03 0.1 undecidable manual S 130 18.87 50 -0.1 99
IV.ATCC.EHZ. 2022-04-26T22:26:04.40 0.3 undecidable manual P 176 40.2264 50 0.17 69
IV.PE3.EHZ. 2022-04-26T22:26:04.42 0.1 undecidable manual S 333 18.6702 50 0.35 91
IV.ATPI.EHZ. 2022-04-26T22:26:04.35 0.1 undecidable manual S 237 19.3695 50 0.11 97
IV.MPAG.EHZ. 2022-04-26T22:26:03.14 0.1 undecidable manual S 54 15.5733 125 -0.08 100
IV.FRON.EHZ. 2022-04-26T22:26:02.00 0.1 undecidable manual S 108 10.3785 137 0.16 97
IV.PARC.HHZ. 2022-04-26T22:26:02.60 0.1 undecidable manual P 291 31.3464 50 -0.27 93
IV.APEC.HHZ. 2022-04-26T22:26:02.98 0.1 undecidable manual S 275 14.7741 127 -0.01 100
IV.ATPI.EHZ. 2022-04-26T22:26:01.08 0.1 undecidable manual P 237 19.3695 50 0.07 97
IV.ATFO.HHZ. 2022-04-26T22:26:01.06 0.1 undecidable manual P 187 20.0688 50 -0.07 99
IV.PE3.EHZ. 2022-04-26T22:26:00.99 0.1 undecidable manual P 333 18.6702 50 0.08 97
IV.APEC.HHZ. 2022-04-26T22:26:00.26 0.1 undecidable manual P 275 14.7741 127 -0.03 100
IV.NARO.HHZ. 2022-04-26T22:26:00.90 0.1 undecidable manual S 346 7.3815 146 -0.29 96
IV.MPAG.EHZ. 2022-04-26T22:26:00.35 0.1 undecidable manual P 54 15.5733 125 -0.07 100
IV.SSFR.HHZ. 2022-04-26T22:26:00.82 0.1 undecidable manual P 130 18.87 50 -0.13 98
IV.FRON.EHZ. 2022-04-26T22:25:59.78 0.1 undecidable manual P 108 10.3785 137 0.15 97
IV.NARO.HHZ. 2022-04-26T22:25:59.16 0.1 undecidable manual P 346 7.3815 146 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHN. ML:1.5 0.00042500000000000003 0.06 AML other m 2022-04-26T22:26:01.03
IV.NARO.HHE. ML:1.3 0.0002475 1.74 AML other m 2022-04-26T22:26:01.99
IV.FRON.EHN. ML:1.2 0.000175 0.68 AML other m 2022-04-26T22:26:02.34
IV.APEC.HHN. ML:1.0 0.00008395 0.12 AML other m 2022-04-26T22:26:03.11
IV.FRON.EHE. ML:0.8 0.00007374999999999999 0.56 AML other m 2022-04-26T22:26:03.25
IV.MPAG.EHN. ML:0.7 0.00004575 0.12 AML other m 2022-04-26T22:26:03.28
IV.MPAG.EHE. ML:1.0 0.0000808 0.12 AML other m 2022-04-26T22:26:03.28
IV.APEC.HHE. ML:0.7 0.000045350000000000005 0.12 AML other m 2022-04-26T22:26:04.05
IV.ATPI.EHN. ML:0.6 0.000028400000000000003 0.32 AML other m 2022-04-26T22:26:04.60
IV.ATPI.EHE. ML:0.8 0.0000431 0.24 AML other m 2022-04-26T22:26:04.70
IV.ATFO.HHN. ML:0.7 0.000035699999999999994 0.18 AML other m 2022-04-26T22:26:04.61
IV.PE3.EHN. ML:1.2 0.000108 0.26 AML other m 2022-04-26T22:26:04.72
IV.ATFO.HHE. ML:0.8 0.000044899999999999994 1 AML other m 2022-04-26T22:26:05.51
IV.SSFR.HHN. ML:1.5 0.00022950000000000002 1.68 AML other m 2022-04-26T22:26:05.01
IV.SSFR.HHE. ML:1.3 0.000154 0.16 AML other m 2022-04-26T22:26:05.68
IV.PE3.EHE. ML:1.1 0.000094 0.32 AML other m 2022-04-26T22:26:06.18
IV.ASSB.HHN. ML:0.6 0.00000842 0.56 AML other m 2022-04-26T22:26:07.28
IV.PARC.HHN. ML:0.6 0.00002215 0.42 AML other m 2022-04-26T22:26:07.75
IV.PARC.HHE. ML:0.6 0.00001805 0.76 AML other m 2022-04-26T22:26:08.48
IV.ATCC.EHN. ML:0.8 0.0000187 0.92 AML other m 2022-04-26T22:26:11.85
IV.ATCC.EHE. ML:0.8 0.00001935 0.54 AML other m 2022-04-26T22:26:11.41
IV.ASSB.HHE. ML:0.6 0.000011105 0.42 AML other m 2022-04-26T22:26:13.00
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