Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-04-2022 and time 20:56:44 (Italy) in region 5 km W Macerata (MC)

A magnitude ML 1.1 earthquake occured in region: 5 km W Macerata (MC), on

  • 26-04-2022 18:56:44 (UTC)
  • 26-04-2022 20:56:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3140, 13.3990 at 52 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
Macerata MC 5 42473 42473
Pollenza MC 7 6618 49091
Montecassiano MC 7 7125 56216
Treia MC 7 9403 65619
Appignano MC 7 4213 69832
Petriolo MC 12 1998 71830
Corridonia MC 12 15430 87260
Montefano MC 12 3541 90801
Urbisaglia MC 13 2628 93429
Montelupone MC 14 3596 97025
Filottrano AN 14 9499 106524
Morrovalle MC 15 10195 116719
Tolentino MC 15 20069 136788
Mogliano MC 16 4696 141484
Recanati MC 16 21349 162833
Cingoli MC 16 10352 173185
Loro Piceno MC 16 2401 175586
Colmurano MC 17 1263 176849
Francavilla d'Ete FM 18 964 177813
Monte San Giusto MC 18 8191 186004
Potenza Picena MC 19 15936 201940
Ripe San Ginesio MC 19 852 202792
Massa Fermana FM 19 963 203755
Montecosaro MC 19 7113 210868
Monte San Pietrangeli FM 20 2458 213326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km S of Ancona (100861 inhabitants)
66 Km SE of Fano (60888 inhabitants)
69 Km NE of Foligno (57155 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
77 Km SE of Pesaro (94582 inhabitants)
85 Km E of Perugia (166134 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 1.1 2022-04-26
18:56:44		 43.3135 13.3993 52 2022-07-08
12:34:04		 Bollettino Sismico Italiano INGV 106904621
Reviewed
Rev100 		ML 1.1 2022-04-26
18:56:44		 43.317 13.4063 51 2022-04-26
19:03:46		 Sala Sismica INGV-Roma 103810021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-26 18:56:44 ± 0.18
Latitude 43.3135 ± 0.0081
Longitude 13.3993 ± 0.0148
Depth (km) 52 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106904621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1251
Semi-minor axis of confidence ellipse (meter) 398
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60344
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 106904621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-07 13:30:38

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 103810021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-26 19:03:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRP.HHZ. 2022-04-26T18:58:24.71 3.0 undecidable manual Sg 10.28 0
IV.ORI.HHZ. 2022-04-26T18:58:23.56 3.0 undecidable manual Sn -4.44 0
1J.FX14.HHZ.00 2022-04-26T18:58:07.57 3.0 negative manual Pn 1.54 0
IV.PIPA.HHZ. 2022-04-26T18:58:06.79 3.0 undecidable manual Pg 16.059999 0
IV.SGTA.HHZ. 2022-04-26T18:57:51.43 3.0 undecidable manual Sn -3.51 0
CR.STON.BHZ. 2022-04-26T18:57:30.40 3.0 undecidable manual Pn 0.02 0
IV.MPPT.EHZ. 2022-04-26T18:57:19.64 3.0 undecidable manual Pg 7.29 0
IV.TREM.HHZ. 2022-04-26T18:57:18.87 3.0 negative manual Pg 4.67 0
IV.LPEL.HHZ. 2022-04-26T18:57:06.99 3.0 undecidable manual Pn -0.04 0
IV.CESI.HHE. 2022-04-26T18:57:05.04 0.6 undecidable manual S 230 52.7028 123 0.9 38
IV.NRCA.HHZ. 2022-04-26T18:57:05.41 0.6 undecidable manual S 204 57.9975 119 0.27 46
IV.MC2.EHZ. 2022-04-26T18:57:03.57 0.6 undecidable manual S 201 47.7189 126 0.3 46
7F.SIB3.EHN. 2022-04-26T18:57:03.42 0.6 undecidable manual S 192 49.7169 125 -0.2 47
7F.SIB1.EHE. 2022-04-26T18:57:03.41 0.6 undecidable manual S 193 47.619 126 0.16 48
IV.ARVD.HHE. 2022-04-26T18:57:02.36 0.6 undecidable manual S 299 42.2244 131 0.03 50
IV.MML1.EHZ. 2022-04-26T18:57:02.61 0.6 undecidable manual S 237 41.0256 132 0.46 46
IV.MMO1.EHZ. 2022-04-26T18:57:02.83 0.6 undecidable manual S 187 46.3203 128 -0.19 48
7F.SIB2.EHE. 2022-04-26T18:57:02.92 0.6 undecidable manual S 189 47.5191 127 -0.3 46
IV.FDMO.HHZ. 2022-04-26T18:57:01.79 0.6 undecidable manual S 220 39.7269 133 -0.16 48
IV.SNTG.HHE. 2022-04-26T18:57:01.74 0.6 undecidable manual S 260 37.629 135 0.13 49
IV.MNTT.EHZ. 2022-04-26T18:57:01.49 0.3 undecidable manual S 150 32.1456 140 0.68 64
IV.MF5.EHZ. 2022-04-26T18:57:01.38 0.6 undecidable manual S 172 36.4413 136 -0.05 50
IV.CSP1.EHZ. 2022-04-26T18:57:00.05 0.6 undecidable manual S 213 29.1486 143 -0.38 47
IV.EL6.EHZ. 2022-04-26T18:56:59.44 0.6 undecidable manual S 274 24.0537 149 -0.38 47
IV.PF6.EHN. 2022-04-26T18:56:59.32 0.6 undecidable manual S 220 25.5522 147 -0.66 43
IV.ASSB.HHZ. 2022-04-26T18:56:57.87 0.6 undecidable manual P 244 66.9774 114 0.46 43
IV.NRCA.HHZ. 2022-04-26T18:56:56.48 0.3 undecidable manual P 204 57.9975 119 0.07 71
IV.CESI.HHE. 2022-04-26T18:56:56.00 0.1 undecidable manual P 230 52.7028 123 0.17 94
7F.SIB2.EHE. 2022-04-26T18:56:55.39 0.3 undecidable manual P 189 47.5191 127 0.09 73
7F.SIB1.EHE. 2022-04-26T18:56:55.37 0.3 undecidable manual P 193 47.619 126 0.05 73
IV.MC2.EHZ. 2022-04-26T18:56:55.39 0.3 undecidable manual P 201 47.7189 126 0.06 73
IV.ARVD.HHE. 2022-04-26T18:56:55.29 0.3 undecidable manual P 299 42.2244 131 0.5 67
IV.MMO1.EHZ. 2022-04-26T18:56:55.02 0.3 undecidable manual P 187 46.3203 128 -0.16 72
7F.SIB3.EHN. 2022-04-26T18:56:55.35 0.3 undecidable manual P 192 49.7169 125 -0.18 71
IV.MF5.EHZ. 2022-04-26T18:56:54.23 0.1 undecidable manual P 172 36.4413 136 -0.04 100
IV.FDMO.HHZ. 2022-04-26T18:56:54.31 0.1 undecidable manual P 220 39.7269 133 -0.25 95
IV.MML1.EHZ. 2022-04-26T18:56:54.68 0.1 undecidable manual P 237 41.0256 132 0 100
IV.SNTG.HHE. 2022-04-26T18:56:54.31 0.3 undecidable manual P 260 37.629 135 -0.06 75
IV.MNTT.EHZ. 2022-04-26T18:56:54.11 0.3 undecidable manual P 150 32.1456 140 0.2 73
IV.EL6.EHZ. 2022-04-26T18:56:53.13 0.3 undecidable manual P 274 24.0537 149 -0.2 74
IV.CSP1.EHZ. 2022-04-26T18:56:53.35 0.1 undecidable manual P 213 29.1486 143 -0.33 95
IV.PF6.EHN. 2022-04-26T18:56:52.92 0.3 undecidable manual P 220 25.5522 147 -0.51 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHN. ML:1.2 0.000033747134999999997 0.08 AML other m 2022-04-26T18:56:58.96
IV.EL6.EHE. ML:1.1 0.000030428915 1.344 AML other m 2022-04-26T18:56:59.83
IV.CSP1.EHE. ML:1.3 0.00004744716 0.6176 AML other m 2022-04-26T18:57:01.58
IV.CSP1.EHN. ML:1.3 0.00003939967499999999 0.1408 AML other m 2022-04-26T18:57:01.45
IV.MF5.EHE. ML:1.2 0.000027761 0.1408 AML other m 2022-04-26T18:57:01.54
IV.MF5.EHN. ML:1.6 0.00007262947 0.2048 AML other m 2022-04-26T18:57:01.54
IV.MNTT.EHN. ML:1.6 0.00008853464 0.1664 AML other m 2022-04-26T18:57:01.76
IV.FDMO.HHE. ML:1.0 0.00001875 1.44 AML other m 2022-04-26T18:57:01.13
IV.FDMO.HHN. ML:0.7 0.000010925000000000001 1.42 AML other m 2022-04-26T18:57:01.89
IV.MNTT.EHE. ML:1.8 0.000119959935 0.1408 AML other m 2022-04-26T18:57:01.89
IV.MML1.EHE. ML:0.4 0.000005427755 1.4592 AML other m 2022-04-26T18:57:02.75
IV.MML1.EHN. ML:0.7 0.0000097637165 0.1536 AML other m 2022-04-26T18:57:03.29
IV.MMO1.EHE. ML:1.1 0.000019452425 0.2944 AML other m 2022-04-26T18:57:03.57
IV.MMO1.EHN. ML:1.2 0.00002644059 0.3584 AML other m 2022-04-26T18:57:03.77
IV.FOSV.EHE. ML:1.1 0.000018849999999999997 0.7 AML other m 2022-04-26T18:57:03.89
IV.FOSV.EHN. ML:1.1 0.00002215 0.28 AML other m 2022-04-26T18:57:05.22
IV.NRCA.HHE. ML:1.1 0.000019849999999999998 0.2 AML other m 2022-04-26T18:57:05.73
IV.NRCA.HHN. ML:1.0 0.0000174 0.12 AML other m 2022-04-26T18:57:06.82
IV.ASSB.HHN. ML:1.1 0.00001525 0.56 AML other m 2022-04-26T18:57:07.45
IV.ASSB.HHE. ML:1.1 0.000013399999999999999 0.66 AML other m 2022-04-26T18:57:09.18
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