Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-05-2021 and time 22:11:43 (Italy) in region 5 km NW Esanatoglia (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Esanatoglia (MC), on

  • 23-05-2021 20:11:43 (UTC)
  • 23-05-2021 22:11:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2800, 12.9010 at 10 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.

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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
Esanatoglia MC 5 2034 2034
Fabriano AN 6 31480 33514
Cerreto d'Esi AN 8 3817 37331
Matelica MC 9 9981 47312
Fiuminata MC 10 1402 48714
Gualdo Tadino PG 11 15208 63922
Fossato di Vico PG 11 2840 66762
Pioraco MC 13 1134 67896
Sigillo PG 14 2404 70300
Gagliole MC 14 620 70920
Castelraimondo MC 15 4587 75507
Sefro MC 15 422 75929
Genga AN 17 1797 77726
Costacciaro PG 18 1216 78942
Sassoferrato AN 18 7285 86227
Poggio San Vicino MC 18 246 86473

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
63 Km SW of Ancona (100861 inhabitants)
64 Km S of Fano (60888 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
82 Km N of Terni (111501 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
91 Km SE of Rimini (147750 inhabitants)
95 Km NW of Teramo (54892 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 1.4 2021-05-23
20:11:43		 43.2795 12.9007 10 2021-12-29
11:12:02		 Bollettino Sismico Italiano INGV 90666781
Reviewed
Rev100 		ML 1.4 2021-05-23
20:11:43		 43.2798 12.8977 10 2021-05-23
20:22:40		 Sala Sismica INGV-Roma 90427891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-23 20:11:43 ± 0.04
Latitude 43.2795 ± 0.0018
Longitude 12.9007 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90666781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.68259
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 90666781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-31 15:58:49

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 90427891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-23 20:22:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-05-23T20:12:03.82 1.0 undecidable manual S 180 65.1903 50 0.19 22
IV.MMO1.EHZ. 2021-05-23T20:12:01.40 0.1 undecidable manual S 141 54.501 50 0.62 81
IV.NRCA.HHZ. 2021-05-23T20:12:00.54 0.3 undecidable manual S 161 52.4031 50 0.31 66
IV.ATMI.HHZ. 2021-05-23T20:12:00.62 3.0 undecidable manual S 277 51.4152 50 0.65 0
IV.MC2.EHZ. 2021-05-23T20:11:59.23 0.1 undecidable manual S 150 47.0196 50 0.44 87
IV.NARO.HHZ. 2021-05-23T20:11:58.45 0.1 undecidable manual S 325 44.9217 50 0.23 91
IV.GUMA.HHZ. 2021-05-23T20:11:58.28 0.1 undecidable manual S 124 42.624 50 0.68 81
IV.ATPI.EHZ. 2021-05-23T20:11:58.57 0.1 undecidable manual S 295 44.4222 50 0.47 87
IV.PIEI.HHZ. 2021-05-23T20:11:57.10 0.1 undecidable manual S 314 40.9257 50 -0.06 95
IV.MPAG.EHZ. 2021-05-23T20:11:57.34 0.1 undecidable manual S 344 40.4262 50 0.32 90
IV.ATVO.HHZ. 2021-05-23T20:11:57.43 0.3 undecidable manual S 286 41.4252 50 0.13 70
IV.FEMA.HNE. 2021-05-23T20:11:56.39 0.6 undecidable manual S 161 37.2294 50 0.22 46
IV.MGAB.HHZ. 2021-05-23T20:11:56.49 0.3 undecidable manual P 238 75.7686 50 -0.26 64
IT.MTCL.HGZ. 2021-05-23T20:11:55.29 0.6 undecidable manual S 166 32.6451 50 0.33 46
IV.GAVE.EHZ. 2021-05-23T20:11:55.15 0.6 negative manual P 180 65.1903 50 0.02 46
IV.MF5.EHZ. 2021-05-23T20:11:54.00 1.0 positive manual P 125 55.5999 50 0.34 22
IV.CESI.HHZ. 2021-05-23T20:11:54.04 0.1 undecidable manual S 179 30.4473 50 -0.33 92
IV.CSP1.EHZ. 2021-05-23T20:11:54.84 0.1 undecidable manual S 130 32.2455 50 0 98
IV.FDMO.HHZ. 2021-05-23T20:11:54.38 0.1 undecidable manual S 151 30.9468 50 -0.1 96
IV.MURB.HHZ. 2021-05-23T20:11:54.73 0.1 undecidable manual S 267 30.4473 50 0.37 91
IV.FRON.EHZ. 2021-05-23T20:11:54.12 0.1 undecidable manual S 332 29.9478 50 -0.11 96
IV.ASSB.HHZ. 2021-05-23T20:11:54.81 0.1 undecidable manual S 217 32.745 50 -0.17 94
IV.CING.HHZ. 2021-05-23T20:11:53.24 0.1 undecidable manual S 66 26.0517 111 0.05 98
IV.PF6.EHN. 2021-05-23T20:11:53.31 0.6 undecidable manual S 123 28.4493 50 -0.52 44
IV.ATFO.HHZ. 2021-05-23T20:11:53.74 0.1 undecidable manual S 290 28.2495 50 -0.04 98
IV.MMO1.EHZ. 2021-05-23T20:11:53.29 0.6 positive manual P 141 54.501 50 -0.2 45
IV.ARVD.HHZ. 2021-05-23T20:11:52.64 0.1 undecidable manual S 8 24.4533 112 -0.03 98
IV.MC2.EHZ. 2021-05-23T20:11:52.27 0.6 negative manual P 150 47.0196 50 -0.06 47
IV.NRCA.HHZ. 2021-05-23T20:11:52.92 0.1 positive manual P 161 52.4031 50 -0.24 90
IV.ATMI.HHZ. 2021-05-23T20:11:52.67 0.1 undecidable manual P 277 51.4152 50 -0.34 88
IV.ATCC.EHZ. 2021-05-23T20:11:52.58 0.1 undecidable manual S 244 23.5542 113 0.21 95
IV.MPAG.EHZ. 2021-05-23T20:11:51.21 1.0 negative manual P 344 40.4262 50 -0.1 24
IV.ATPI.EHZ. 2021-05-23T20:11:51.92 1.0 negative manual P 295 44.4222 50 -0.01 24
IV.MDAR.HNN. 2021-05-23T20:11:51.73 0.6 undecidable manual S 116 21.7671 114 -0.1 49
IV.ATVO.HHZ. 2021-05-23T20:11:51.41 0.6 undecidable manual P 286 41.4252 50 -0.07 47
IV.NARO.HHZ. 2021-05-23T20:11:51.69 0.1 positive manual P 325 44.9217 50 -0.32 89
IV.SSFR.HNZ. 2021-05-23T20:11:51.29 0.3 undecidable manual S 331 19.869 117 0.08 74
IV.MMUR.HNE. 2021-05-23T20:11:51.07 0.6 undecidable manual S 23 19.6692 117 -0.07 49
IV.PIEI.HHZ. 2021-05-23T20:11:51.04 0.1 positive manual P 314 40.9257 50 -0.36 89
IV.GUMA.HHZ. 2021-05-23T20:11:51.87 0.3 negative manual P 124 42.624 50 0.22 69
IV.MML1.HNE. 2021-05-23T20:11:51.18 0.6 undecidable manual S 163 19.2696 117 0.14 49
IV.FEMA.HNE. 2021-05-23T20:11:50.66 0.1 undecidable manual P 161 37.2294 50 -0.17 94
IV.EL6.EHZ. 2021-05-23T20:11:50.67 0.1 undecidable manual S 71 17.1717 120 0.29 95
IV.SEF1.HNN. 2021-05-23T20:11:50.16 0.6 undecidable manual S 166 15.1737 123 0.35 47
IV.ATFO.HHZ. 2021-05-23T20:11:49.35 0.6 negative manual P 290 28.2495 50 -0.09 48
IV.MURB.HHZ. 2021-05-23T20:11:49.81 0.6 positive manual P 267 30.4473 50 0.04 49
IV.FOSV.EHZ. 2021-05-23T20:11:49.01 0.1 undecidable manual S 279 11.3775 131 0.26 96
IV.FRON.EHZ. 2021-05-23T20:11:49.38 0.3 positive manual P 332 29.9478 50 -0.32 69
IV.ASSB.HHZ. 2021-05-23T20:11:49.88 0.1 negative manual P 217 32.745 50 -0.25 93
IV.CESI.HHZ. 2021-05-23T20:11:49.50 0.3 undecidable manual P 179 30.4473 50 -0.28 69
IV.CSP1.EHZ. 2021-05-23T20:11:49.88 0.1 positive manual P 130 32.2455 50 -0.17 94
IV.FDMO.HHZ. 2021-05-23T20:11:49.54 0.3 positive manual P 151 30.9468 50 -0.31 69
IV.PF6.EHN. 2021-05-23T20:11:49.21 0.1 undecidable manual P 123 28.4493 50 -0.26 93
IT.MTCL.HGZ. 2021-05-23T20:11:49.90 0.1 undecidable manual P 166 32.6451 50 -0.22 93
IV.MMUR.HNE. 2021-05-23T20:11:48.03 0.1 undecidable manual P 23 19.6692 117 0.11 98
IV.ATCC.EHZ. 2021-05-23T20:11:48.63 0.3 negative manual P 244 23.5542 113 0 74
IV.ARVD.HHZ. 2021-05-23T20:11:48.70 0.6 undecidable manual P 8 24.4533 112 -0.1 49
IV.CING.HHZ. 2021-05-23T20:11:48.98 0.1 negative manual P 66 26.0517 111 -0.12 96
IV.SSFR.HNZ. 2021-05-23T20:11:47.94 0.3 undecidable manual P 331 19.869 117 -0.02 75
IV.MML1.HNE. 2021-05-23T20:11:47.83 0.1 undecidable manual P 163 19.2696 117 -0.03 99
IV.SEF1.HNN. 2021-05-23T20:11:47.18 0.1 undecidable manual P 166 15.1737 123 0.03 100
IV.MDAR.HNN. 2021-05-23T20:11:47.68 0.1 undecidable manual P 116 21.7671 114 -0.63 85
IV.EL6.EHZ. 2021-05-23T20:11:47.63 0.1 negative manual P 71 17.1717 120 0.15 97
IV.FOSV.EHZ. 2021-05-23T20:11:46.72 1.0 undecidable manual P 279 11.3775 131 0.18 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.5 0.00037150000000000003 0.3 AML other m 2021-05-23T20:11:49.12
IV.FOSV.EHE. ML:1.4 0.000314 0.46 AML other m 2021-05-23T20:11:49.29
IV.EL6.EHE. ML:1.6 0.00032700000000000003 1.2 AML other m 2021-05-23T20:11:50.76
IV.EL6.EHN. ML:1.6 0.00035250000000000006 0.48 AML other m 2021-05-23T20:11:51.40
IV.SSFR.HHE. ML:1.8 0.0004805 0.28 AML other m 2021-05-23T20:11:51.45
IV.SSFR.HNE. ML:1.9 0.0006805 0.66 AML other m 2021-05-23T20:11:51.46
IV.SSFR.HHN. ML:1.8 0.00047 0.3 AML other m 2021-05-23T20:11:51.76
IV.SSFR.HNN. ML:1.9 0.000586 0.3 AML other m 2021-05-23T20:11:51.92
IV.ARVD.HHE. ML:1.3 0.00011745 0.34 AML other m 2021-05-23T20:11:52.70
IV.ARVD.HHN. ML:1.2 0.000105 0.14 AML other m 2021-05-23T20:11:52.74
IV.ATCC.EHN. ML:1.1 0.00007955000000000001 1.32 AML other m 2021-05-23T20:11:52.85
IV.ATCC.EHE. ML:1.2 0.00010899999999999999 0.6 AML other m 2021-05-23T20:11:52.58
IV.CING.HHE. ML:0.9 0.00004585 0.42 AML other m 2021-05-23T20:11:53.48
IV.CING.HHN. ML:1.1 0.0000726 0.96 AML other m 2021-05-23T20:11:53.30
IV.ATFO.HHE. ML:1.2 0.00007905 1.64 AML other m 2021-05-23T20:11:54.01
IV.CESI.HHE. ML:1.3 0.0000965 1.22 AML other m 2021-05-23T20:11:54.30
IV.CESI.HHN. ML:1.3 0.0000983 0.56 AML other m 2021-05-23T20:11:54.36
IV.FDMO.HHE. ML:1.4 0.00010435 1.52 AML other m 2021-05-23T20:11:54.81
IV.ATFO.HHN. ML:1.2 0.00007435 1.06 AML other m 2021-05-23T20:11:54.29
IV.FDMO.HHN. ML:1.2 0.0000811 1.58 AML other m 2021-05-23T20:11:54.03
IV.MURB.HHE. ML:2.0 0.000531 1.52 AML other m 2021-05-23T20:11:54.21
IV.MURB.HNE. ML:2.0 0.00047599999999999997 1.58 AML other m 2021-05-23T20:11:54.98
IV.FRON.EHN. ML:1.3 0.0000903 0.28 AML other m 2021-05-23T20:11:55.24
IV.ASSB.HHE. ML:1.3 0.00008299999999999998 1.4 AML other m 2021-05-23T20:11:55.21
IV.ASSB.HHN. ML:1.3 0.00008935 0.62 AML other m 2021-05-23T20:11:55.28
IV.CSP1.EHE. ML:1.5 0.00014500000000000003 0.56 AML other m 2021-05-23T20:11:55.60
IV.MURB.HHN. ML:1.9 0.000347 0.54 AML other m 2021-05-23T20:11:56.04
IV.MURB.HNN. ML:1.8 0.000272 1.7 AML other m 2021-05-23T20:11:56.06
IV.FRON.EHE. ML:1.1 0.00006295000000000001 0.62 AML other m 2021-05-23T20:11:56.12
IV.CSP1.EHN. ML:1.6 0.00019350000000000001 0.34 AML other m 2021-05-23T20:11:56.64
IV.PIEI.HHN. ML:1.2 0.000048 0.1 AML other m 2021-05-23T20:11:57.37
IV.ATVO.HHN. ML:1.4 0.00007985 1.1 AML other m 2021-05-23T20:11:57.63
IV.ATVO.HHE. ML:1.3 0.0000678 0.64 AML other m 2021-05-23T20:11:57.54
IV.PIEI.HHE. ML:1.4 0.0000974 0.1 AML other m 2021-05-23T20:11:58.59
IV.NARO.HHE. ML:1.3 0.000056 0.56 AML other m 2021-05-23T20:11:58.78
IV.NARO.HHN. ML:1.0 0.00003125 1.06 AML other m 2021-05-23T20:11:59.46
IV.NRCA.HHN. ML:1.7 0.000118 0.14 AML other m 2021-05-23T20:12:00.94
IV.NRCA.HHE. ML:1.5 0.00008315 0.96 AML other m 2021-05-23T20:12:02.05
IV.MPAG.EHE. ML:0.8 0.00002047923 0.2048 AML other m 2021-05-23T20:11:57.32
IV.MPAG.EHN. ML:1.0 0.000028837460000000004 0.1152 AML other m 2021-05-23T20:11:58.32
IV.GUMA.HNE. ML:1.4 0.00008394604 1.3312 AML other m 2021-05-23T20:11:59.21
IV.GUMA.HHE. ML:1.4 0.000090198825 0.4864 AML other m 2021-05-23T20:12:01.66
IV.GUMA.HNN. ML:1.5 0.00010121565499999998 0.4992 AML other m 2021-05-23T20:11:59.12
IV.GUMA.HHN. ML:1.4 0.000081668145 0.1536 AML other m 2021-05-23T20:11:59.22
IV.ATPI.EHE. ML:1.1 0.000035909590000000005 0.4352 AML other m 2021-05-23T20:11:58.89
IV.ATPI.EHN. ML:0.9 0.000023217085 0.2688 AML other m 2021-05-23T20:12:00.11
IV.NRCA.HNN. ML:1.8 0.00016017165 0.8192 AML other m 2021-05-23T20:12:00.87
IV.NRCA.HNE. ML:1.7 0.00012066860500000001 1.3184 AML other m 2021-05-23T20:12:01.52
IV.ATMI.HHN. ML:1.1 0.00003187654 0.4224 AML other m 2021-05-23T20:12:02.74
IV.ATMI.HHE. ML:1.1 0.000028085119999999998 0.384 AML other m 2021-05-23T20:12:07.89
IV.GAVE.EHE. ML:1.6 0.000078387595 0.192 AML other m 2021-05-23T20:12:04.74
IV.GAVE.EHN. ML:1.5 0.00006134746000000001 0.1408 AML other m 2021-05-23T20:12:05.18
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