Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 26-04-2020 and time 11:33:13 (Italy) in region 4 km NW Serravalle di Chienti (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km NW Serravalle di Chienti (MC), on

  • 26-04-2020 09:33:13 (UTC)
  • 26-04-2020 11:33:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1010, 12.9250 at 16 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
Serravalle di Chienti MC 4 1070 1070
Sefro MC 6 422 1492
Fiuminata MC 10 1402 2894
Muccia MC 10 915 3809
Pioraco MC 10 1134 4943
Nocera Umbra PG 11 5839 10782
Pieve Torina MC 12 1458 12240
Camerino MC 12 6974 19214
Monte Cavallo MC 13 145 19359
Pievebovigliana MC 14 866 20225
Valtopina PG 15 1398 21623
Fiordimonte MC 15 202 21825
Castelraimondo MC 16 4587 26412
Esanatoglia MC 17 2034 28446
Gualdo Tadino PG 18 15208 43654
Matelica MC 19 9981 53635
Gagliole MC 19 620 54255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
83 Km S of Fano (60888 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
94 Km E of Arezzo (99543 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 2020-04-26
09:33:13		 43.101 12.9248 16 2020-04-26
09:44:59		 Sala Sismica INGV-Roma 78595821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-26 09:33:13 ± 0.09
Latitude 43.1010 ± 0.0045
Longitude 12.9248 ± 0.0074
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78595821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 78595821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-26 09:44:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2020-04-26T09:33:50.95 3.0 undecidable manual S 0.16 0
IV.ATFO.HHZ. 2020-04-26T09:33:27.32 0.3 undecidable manual S 316 41.0256 100 0.61 62
IV.EL6.EHZ. 2020-04-26T09:33:23.57 0.3 undecidable manual S 29 29.0487 106 -0.03 72
IV.CSP1.EHZ. 2020-04-26T09:33:22.35 0.1 undecidable manual S 92 22.6551 113 0.36 90
IV.ATCC.EHZ. 2020-04-26T09:33:22.66 0.1 undecidable manual S 292 24.8529 110 0.12 96
IV.FRON.EHZ. 2020-04-26T09:33:21.98 3.0 undecidable manual Pg 0.81 0
IV.MURB.HHZ. 2020-04-26T09:33:20.41 3.0 positive manual P 0.81 0
IV.SNTG.HHZ. 2020-04-26T09:33:20.41 0.3 undecidable manual S 4 17.1717 123 -0.27 70
IV.FDMO.HHZ. 2020-04-26T09:33:20.14 0.3 undecidable manual S 118 14.9739 128 -0.07 74
IV.ATFO.HHZ. 2020-04-26T09:33:20.90 0.1 undecidable manual P 316 41.0256 100 -0.1 93
IV.EL6.EHZ. 2020-04-26T09:33:19.18 0.1 undecidable manual P 29 29.0487 106 -0.02 97
IV.MC2.EHZ. 2020-04-26T09:33:19.77 3.0 undecidable manual P 0.43 0
IT.MTCL.HGE. 2020-04-26T09:33:19.74 0.3 undecidable manual S 153 13.2756 132 -0.13 73
IV.CESI.HHZ. 2020-04-26T09:33:19.31 0.1 undecidable manual S 189 10.7781 139 -0.08 99
IV.ATCC.EHZ. 2020-04-26T09:33:18.47 0.1 undecidable manual P 292 24.8529 110 -0.12 95
IV.MMO1.EHZ. 2020-04-26T09:33:18.75 3.0 undecidable manual P -1.95 0
IV.CSP1.EHZ. 2020-04-26T09:33:18.27 0.1 undecidable manual P 92 22.6551 113 0 98
IV.MML1.HNN. 2020-04-26T09:33:18.64 0.1 undecidable manual S 70 3.996 163 0.13 99
IV.FDMO.HHZ. 2020-04-26T09:33:17.18 0.1 undecidable manual P 118 14.9739 128 -0.06 99
IV.SNTG.HHZ. 2020-04-26T09:33:17.34 0.1 undecidable manual P 4 17.1717 123 -0.17 95
IT.MTCL.HGE. 2020-04-26T09:33:17.01 0.1 undecidable manual P 153 13.2756 132 -0.03 100
IV.CESI.HHZ. 2020-04-26T09:33:16.75 0.1 undecidable manual P 189 10.7781 139 -0.02 100
IV.MML1.HNN. 2020-04-26T09:33:16.34 0.1 undecidable manual P 70 3.996 163 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000021236416499999997 0.0576 AML other m 2020-04-26T09:33:19.92
IV.CESI.HHN. ML:0.6 0.000034691485000000004 0.16 AML other m 2020-04-26T09:33:19.61
IV.CESI.HNN. ML:1.3 0.00018468659999999997 1.0048 AML other m 2020-04-26T09:33:22.70
IV.FDMO.HHE. ML:0.9 0.000055122215 0.1792 AML other m 2020-04-26T09:33:20.34
IV.FDMO.HHN. ML:0.7 0.0000397717 0.1344 AML other m 2020-04-26T09:33:20.49
IV.SNTG.HHE. ML:0.8 0.00004241367 0.064 AML other m 2020-04-26T09:33:20.75
IV.SNTG.HHN. ML:1.0 0.00006739210500000001 0.1216 AML other m 2020-04-26T09:33:20.71
IV.CSP1.EHE. ML:0.6 0.000021575614999999998 0.2368 AML other m 2020-04-26T09:33:22.58
IV.CSP1.EHN. ML:1.4 0.00013307148000000002 3.36 AML other m 2020-04-26T09:33:31.42
IV.ATCC.EHE. ML:0.8 0.000029808365 0.16 AML other m 2020-04-26T09:33:23.61
IV.ATCC.EHN. ML:0.8 0.00003298363 0.1152 AML other m 2020-04-26T09:33:23.58
IV.EL6.EHE. ML:1.1 0.00006145175999999999 0.1216 AML other m 2020-04-26T09:33:24.21
IV.EL6.EHN. ML:1.0 0.000040086155 0.16 AML other m 2020-04-26T09:33:24.20
IV.MURB.HHE. ML:1.5 0.00011935380000000001 0.2816 AML other m 2020-04-26T09:33:26.92
IV.MURB.HHN. ML:1.5 0.000104814375 0.2048 AML other m 2020-04-26T09:33:26.87
IV.MURB.HNE. ML:1.6 0.000141348915 0.256 AML other m 2020-04-26T09:33:26.91
IV.MURB.HNN. ML:1.6 0.00013170893 1.1328 AML other m 2020-04-26T09:33:39.46
IV.ATFO.HHE. ML:0.8 0.00002166892 0.2752 AML other m 2020-04-26T09:33:27.91
IV.ATFO.HHN. ML:0.9 0.000022879165 0.2176 AML other m 2020-04-26T09:33:27.58
IV.FRON.EHE. ML:0.3 0.0000071354849999999995 0.1024 AML other m 2020-04-26T09:33:29.81
IV.FRON.EHN. ML:0.6 0.0000080502675 0.1216 AML other m 2020-04-26T09:33:29.84
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