Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 27-02-2023 and time 20:27:17 (Italy) in region 4 km NW Macerata (MC)

A magnitude ML 1.9 earthquake occured in region: 4 km NW Macerata (MC), on

  • 27-02-2023 19:27:17 (UTC)
  • 27-02-2023 20:27:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3240, 13.4160 at 39 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 4 42473 42473
Montecassiano MC 5 7125 49598
Appignano MC 7 4213 53811
Pollenza MC 8 6618 60429
Treia MC 8 9403 69832
Montefano MC 10 3541 73373
Corridonia MC 11 15430 88803
Petriolo MC 12 1998 90801
Montelupone MC 13 3596 94397
Morrovalle MC 13 10195 104592
Filottrano AN 14 9499 114091
Recanati MC 14 21349 135440
Urbisaglia MC 14 2628 138068
Mogliano MC 16 4696 142764
Tolentino MC 17 20069 162833
Cingoli MC 17 10352 173185
Potenza Picena MC 17 15936 189121
Monte San Giusto MC 18 8191 197312
Loro Piceno MC 18 2401 199713
Francavilla d'Ete FM 18 964 200677
Montecosaro MC 18 7113 207790
Colmurano MC 18 1263 209053
Osimo AN 19 34977 244030
Castelfidardo AN 19 18733 262763
Monte San Pietrangeli FM 20 2458 265221
Massa Fermana FM 20 963 266184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Ancona (100861 inhabitants)
66 Km SE of Fano (60888 inhabitants)
71 Km NE of Foligno (57155 inhabitants)
77 Km SE of Pesaro (94582 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
87 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 1.9 2023-02-27
19:27:17		 43.3243 13.4155 39 2024-03-01
17:18:05		 Bollettino Sismico Italiano INGV 116766691
Reviewed
Rev100 		ML 2.0 2023-02-27
19:27:17		 43.3228 13.4298 38 2023-02-27
19:36:45		 Sala Sismica INGV-Roma 114863961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-27 19:27:17 ± 0.08
Latitude 43.3243 ± 0.0036
Longitude 13.4155 ± 0.0062
Depth (km) 39 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116766691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82828
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 63
Type of magnitude ML
Reference to an origin 116766691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-26 11:04:49

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 114863961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-27 19:36:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2023-02-27T19:27:44.01 3.0 undecidable manual Pn -1.5 0
IV.GAVE.EHZ. 2023-02-27T19:27:42.23 0.6 undecidable manual S 211 81.8514 92 0.3 43
IV.SMA1.EHZ. 2023-02-27T19:27:41.33 0.3 undecidable manual S 185 77.2671 92 0.4 63
IV.ASSB.HHZ. 2023-02-27T19:27:39.71 0.6 undecidable manual S 243 68.7756 93 0.62 41
IV.ATCC.EHZ. 2023-02-27T19:27:38.69 0.3 undecidable manual S 256 64.491 94 0.49 64
IV.NRCA.HHZ. 2023-02-27T19:27:37.45 0.3 undecidable manual S 204 59.6958 95 0.31 67
IV.SSFR.HHZ. 2023-02-27T19:27:36.02 0.3 undecidable manual S 284 52.503 99 0.4 67
IV.FOSV.EHZ. 2023-02-27T19:27:36.11 0.3 undecidable manual S 267 52.9026 99 0.41 67
IV.CESI.HHZ. 2023-02-27T19:27:36.56 0.3 undecidable manual S 230 54.4011 98 0.53 65
IV.MC2.EHZ. 2023-02-27T19:27:35.16 0.3 undecidable manual S 202 49.3173 102 0.21 70
IT.MTCL.HGN. 2023-02-27T19:27:35.59 0.6 undecidable manual S 223 49.8168 102 0.56 43
IV.FEMA.HNN. 2023-02-27T19:27:35.78 0.3 undecidable manual S 217 49.9167 102 0.71 61
IV.MMO1.EHZ. 2023-02-27T19:27:34.53 0.3 undecidable manual S 189 47.7189 104 -0.07 72
IV.FDMO.HHZ. 2023-02-27T19:27:33.24 0.3 undecidable manual S 220 41.5251 112 -0.09 71
IV.ARVD.HHZ. 2023-02-27T19:27:33.63 0.3 undecidable manual S 297 42.8238 110 0.05 73
IV.MF5.EHZ. 2023-02-27T19:27:33.10 0.3 undecidable manual S 175 37.5291 117 0.55 65
IV.MNTT.EHZ. 2023-02-27T19:27:32.14 0.6 undecidable manual S 153 32.5452 124 0.51 44
IV.MMUR.HNN. 2023-02-27T19:27:32.41 0.3 undecidable manual S 291 36.1416 119 0.12 73
IV.MOMA.HHZ. 2023-02-27T19:27:32.78 0.1 undecidable manual P 230 89.6436 92 0.42 82
IV.SNTG.HHZ. 2023-02-27T19:27:32.81 0.3 undecidable manual S 259 39.1275 115 -0.05 72
IV.RM33.EHZ. 2023-02-27T19:27:32.43 0.6 undecidable manual P 190 91.9413 92 -0.22 43
IV.GUMA.HHZ. 2023-02-27T19:27:31.48 0.3 undecidable manual S 193 29.748 129 0.33 71
IV.GAVE.EHZ. 2023-02-27T19:27:31.68 0.3 undecidable manual P 211 81.8514 92 0.27 64
IV.PCRO.HNE. 2023-02-27T19:27:31.67 0.3 undecidable manual S 17 32.8449 124 -0.01 74
IV.CSP1.EHZ. 2023-02-27T19:27:31.35 0.3 undecidable manual S 214 30.9468 127 0 74
IV.GAG1.HNE. 2023-02-27T19:27:31.07 0.6 undecidable manual S 251 29.6481 129 -0.07 49
IV.EL6.EHZ. 2023-02-27T19:27:30.36 0.3 undecidable manual S 271 25.3524 135 -0.08 74
IV.NARO.HHZ. 2023-02-27T19:27:30.28 0.3 undecidable manual P 296 74.37 93 -0.19 67
IV.SAP2.EHZ. 2023-02-27T19:27:30.64 0.3 undecidable manual S 183 25.2525 135 0.21 73
IV.ATPI.EHZ. 2023-02-27T19:27:30.91 0.6 undecidable manual P 280 82.8504 92 -0.62 39
IV.MDAR.HNZ. 2023-02-27T19:27:30.47 0.3 undecidable manual S 237 26.4513 133 -0.14 73
IV.PF6.EHZ. 2023-02-27T19:27:30.45 0.3 undecidable manual S 221 27.3504 132 -0.3 70
IV.AOI.HHZ. 2023-02-27T19:27:30.84 0.6 undecidable manual S 31 29.2485 129 -0.21 49
IV.TERO.HHZ. 2023-02-27T19:27:30.89 0.3 undecidable manual P 169 79.365 92 -0.2 66
IV.SMA1.EHZ. 2023-02-27T19:27:30.51 0.3 undecidable manual P 185 77.2671 92 -0.32 65
IV.CING.HHZ. 2023-02-27T19:27:29.17 0.3 undecidable manual S 288 18.6702 146 -0.35 71
IV.PP3.HNZ. 2023-02-27T19:27:29.91 0.3 undecidable manual S 69 16.7721 149 0.6 65
Y1.T1714.HNZ. 2023-02-27T19:27:29.70 0.3 undecidable manual S 355 16.9719 149 0.38 70
IV.ATCC.EHZ. 2023-02-27T19:27:29.42 0.1 undecidable manual P 256 64.491 94 0.17 91
IV.ASSB.HHZ. 2023-02-27T19:27:29.57 0.3 undecidable manual P 243 68.7756 93 -0.2 67
IV.NRCA.HHZ. 2023-02-27T19:27:28.38 0.1 undecidable manual P 204 59.6958 95 -0.26 90
IV.TRE1.HNZ. 2023-02-27T19:27:28.32 0.6 undecidable manual S 260 8.3805 164 -0.27 49
IT.MTCL.HGN. 2023-02-27T19:27:27.01 0.1 undecidable manual P 223 49.8168 102 -0.42 89
IV.COR1.HNZ. 2023-02-27T19:27:27.57 0.1 undecidable manual P 316 47.7189 104 0.39 89
IV.FEMA.HNN. 2023-02-27T19:27:27.16 0.3 undecidable manual P 217 49.9167 102 -0.29 68
IV.MC2.EHZ. 2023-02-27T19:27:27.18 0.1 positive manual P 202 49.3173 102 -0.19 93
IV.SSFR.HHZ. 2023-02-27T19:27:27.78 0.3 undecidable manual P 284 52.503 99 0.02 72
IV.FOSV.EHZ. 2023-02-27T19:27:27.67 0.1 undecidable manual P 267 52.9026 99 -0.14 93
IV.CESI.HHZ. 2023-02-27T19:27:27.78 0.1 positive manual P 230 54.4011 98 -0.22 92
IV.FDMO.HHZ. 2023-02-27T19:27:26.00 0.1 positive manual P 220 41.5251 112 -0.44 89
IV.ARVD.HHZ. 2023-02-27T19:27:26.50 0.1 negative manual P 297 42.8238 110 -0.09 97
IV.MMUR.HNN. 2023-02-27T19:27:26.09 0.6 undecidable manual P 291 36.1416 119 0.25 47
IV.MMO1.EHZ. 2023-02-27T19:27:26.73 0.1 undecidable manual P 189 47.7189 104 -0.45 89
Y1.T1742.HNN. 2023-02-27T19:27:26.32 0.1 undecidable manual P 333 36.5412 119 0.43 89
IV.MF5.EHZ. 2023-02-27T19:27:25.94 0.1 undecidable manual P 175 37.5291 117 -0.05 98
IV.GUMA.HHZ. 2023-02-27T19:27:25.07 0.1 positive manual P 193 29.748 129 -0.11 98
IV.PCRO.HNE. 2023-02-27T19:27:25.65 0.3 undecidable manual P 17 32.8449 124 0.16 71
IV.MNTT.EHZ. 2023-02-27T19:27:25.74 0.1 undecidable manual P 153 32.5452 124 0.28 93
IV.SNTG.HHZ. 2023-02-27T19:27:25.81 0.1 undecidable manual P 259 39.1275 115 -0.36 91
IV.PF6.EHZ. 2023-02-27T19:27:24.48 0.1 positive manual P 221 27.3504 132 -0.48 91
IV.AOI.HHZ. 2023-02-27T19:27:24.83 0.1 undecidable manual P 31 29.2485 129 -0.3 96
IV.GAG1.HNE. 2023-02-27T19:27:24.98 0.3 undecidable manual P 251 29.6481 129 -0.2 72
IV.EL6.EHZ. 2023-02-27T19:27:24.49 0.1 positive manual P 271 25.3524 135 -0.28 95
IV.PP3.HNZ. 2023-02-27T19:27:24.24 0.6 undecidable manual P 69 16.7721 149 0.13 49
Y1.T1714.HNZ. 2023-02-27T19:27:24.20 0.1 undecidable manual P 355 16.9719 149 0.08 100
IV.SAP2.EHZ. 2023-02-27T19:27:24.62 0.3 undecidable manual P 183 25.2525 135 -0.15 74
IV.CIMA.HNZ. 2023-02-27T19:27:24.74 0.6 undecidable manual P 96 20.6682 143 0.35 47
IV.MDAR.HNZ. 2023-02-27T19:27:24.46 0.1 undecidable manual P 237 26.4513 133 -0.41 92
IV.CSP1.EHZ. 2023-02-27T19:27:24.94 0.1 positive manual P 214 30.9468 127 -0.36 93
IV.TRE1.HNZ. 2023-02-27T19:27:23.31 1.0 undecidable manual P 260 8.3805 164 -0.39 24
IV.CING.HHZ. 2023-02-27T19:27:23.93 0.1 negative manual P 288 18.6702 146 -0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHN. ML:2.0 0.00028300000000000005 0.12 AML other m 2023-02-27T19:27:29.66
IV.CING.HHE. ML:1.8 0.00020299915 0.1408 AML other m 2023-02-27T19:27:29.72
IV.EL6.EHN. ML:1.7 0.00013861597 0.1664 AML other m 2023-02-27T19:27:30.62
IV.EL6.EHE. ML:1.9 0.0002561213 0.2688 AML other m 2023-02-27T19:27:30.69
IV.GUMA.HNN. ML:2.3 0.0006314999999999999 0.22 AML other m 2023-02-27T19:27:31.86
IV.GUMA.HHN. ML:2.6 0.0010905 0.24 AML other m 2023-02-27T19:27:31.88
IV.GUMA.HNE. ML:2.4 0.000749 1.52 AML other m 2023-02-27T19:27:32.85
IV.GUMA.HHE. ML:2.3 0.00052376835 0.2176 AML other m 2023-02-27T19:27:31.85
IV.CSP1.EHE. ML:2.0 0.0002471584 0.1664 AML other m 2023-02-27T19:27:33.82
IV.CSP1.EHN. ML:1.9 0.0002171599 0.1792 AML other m 2023-02-27T19:27:32.77
IV.MF5.EHN. ML:2.0 0.0002577747991 0.2304 AML other m 2023-02-27T19:27:33.36
IV.FDMO.HHE. ML:1.8 0.0001555 0.18 AML other m 2023-02-27T19:27:33.67
IV.FDMO.HHN. ML:1.7 0.00012054485000000001 0.1408 AML other m 2023-02-27T19:27:34.61
IV.ARVD.HHE. ML:1.8 0.00015120135000000002 0.2688 AML other m 2023-02-27T19:27:34.34
IV.ARVD.HHN. ML:1.8 0.0001463922 0.1664 AML other m 2023-02-27T19:27:34.48
IV.MMO1.EHE. ML:2.1 0.00023102 0.2432 AML other m 2023-02-27T19:27:35.17
IV.MC2.EHE. ML:2.4 0.000521 0.16 AML other m 2023-02-27T19:27:35.59
IV.MMO1.EHN. ML:1.9 0.00017660670000000002 0.128 AML other m 2023-02-27T19:27:35.62
IV.SSFR.HNN. ML:2.1 0.0002213924 0.1408 AML other m 2023-02-27T19:27:37.31
IV.FOSV.EHE. ML:2.0 0.00016299999999999998 0.28 AML other m 2023-02-27T19:27:36.51
IV.SSFR.HHE. ML:2.2 0.00028700000000000004 0.26 AML other m 2023-02-27T19:27:36.60
IV.SSFR.HHN. ML:2.1 0.00022343065 0.2688 AML other m 2023-02-27T19:27:36.44
IV.CESI.HHN. ML:1.8 0.00010914441 0.1792 AML other m 2023-02-27T19:27:36.98
IV.CESI.HHE. ML:1.7 0.0000862 0.22 AML other m 2023-02-27T19:27:36.92
IV.SSFR.HNE. ML:2.2 0.0002735149 0.1664 AML other m 2023-02-27T19:27:38.48
IV.FOSV.EHN. ML:1.7 0.000087573145 0.256 AML other m 2023-02-27T19:27:36.40
IV.MC2.EHN. ML:2.3 0.0003621761 0.1792 AML other m 2023-02-27T19:27:38.34
IV.NRCA.HHN. ML:2.0 0.00015611445000000002 0.1408 AML other m 2023-02-27T19:27:38.57
IV.NRCA.HHE. ML:2.1 0.0001945 0.12 AML other m 2023-02-27T19:27:39.45
IV.ATCC.EHN. ML:0.0 0.00009629177 0.3072 AML other m 2023-02-27T19:27:39.81
IV.MF5.EHE. ML:1.8 0.00016263339999999997 0.2432 AML other m 2023-02-27T19:27:33.82
IV.ATCC.EHE. ML:0.0 0.00010665221499999999 0.256 AML other m 2023-02-27T19:27:39.94
IV.SMA1.EHE. ML:1.6 0.000054740835 0.2688 AML other m 2023-02-27T19:27:44.03
IV.SMA1.EHN. ML:2.0 0.0001303578 0.2432 AML other m 2023-02-27T19:27:42.58
IV.GAVE.EHE. ML:0.0 0.00008585999 0.2432 AML other m 2023-02-27T19:27:44.10
IV.GAVE.EHN. ML:0.0 0.00010911635 0.2048 AML other m 2023-02-27T19:27:44.19
IV.AOI.HHE. ML:1.5 0.000087369115 0.1408 AML other m 2023-02-27T19:27:31.57
IV.AOI.HHN. ML:2.0 0.00025197545 0.1792 AML other m 2023-02-27T19:27:32.65
IV.MNTT.EHE. ML:2.0 0.00023567011000000002 0.2432 AML other m 2023-02-27T19:27:32.00
IV.MNTT.EHN. ML:2.0 0.000233132505 0.2304 AML other m 2023-02-27T19:27:33.08
IV.SNTG.HHN. ML:1.5 0.00007774172 0.1152 AML other m 2023-02-27T19:27:33.46
IV.SNTG.HHE. ML:1.4 0.000057849765 0.1408 AML other m 2023-02-27T19:27:34.05
IV.SNTG.HNE. ML:1.4 0.000056082004999999996 0.1408 AML other m 2023-02-27T19:27:34.14
IV.SNTG.HNN. ML:1.5 0.00006927403500000001 0.128 AML other m 2023-02-27T19:27:33.47
IV.FOSV.HNN. ML:1.7 0.00008431994500000001 0.256 AML other m 2023-02-27T19:27:36.38
IV.FOSV.HNE. ML:1.8 0.000120675905 0.256 AML other m 2023-02-27T19:27:36.63
IV.CESI.HNN. ML:1.7 0.00009341657500000001 0.192 AML other m 2023-02-27T19:27:36.88
IV.CESI.HNE. ML:1.6 0.00007300419 0.2048 AML other m 2023-02-27T19:27:36.93
IV.NRCA.HNN. ML:2.1 0.00020339183500000003 0.1792 AML other m 2023-02-27T19:27:38.64
IV.NRCA.HNE. ML:2.0 0.00018097260000000002 0.128 AML other m 2023-02-27T19:27:39.52
IV.ATCC.HNE. ML:1.8 0.000098725685 0.2432 AML other m 2023-02-27T19:27:39.94
IV.ATCC.HNN. ML:1.9 0.0001310408 0.2816 AML other m 2023-02-27T19:27:39.67
IV.ASSB.HHE. ML:1.8 0.00008302081999999999 0.2176 AML other m 2023-02-27T19:27:41.01
IV.ASSB.HHN. ML:1.6 0.00005337388 0.2816 AML other m 2023-02-27T19:27:41.05
IV.NARO.HHN. ML:1.4 0.000027931165000000002 0.1792 AML other m 2023-02-27T19:27:42.71
IV.NARO.HHE. ML:1.3 0.000026392510000000003 0.192 AML other m 2023-02-27T19:27:42.62
IV.TERO.HHE. ML:1.4 0.000029965795 0.256 AML other m 2023-02-27T19:27:42.67
IV.TERO.HHN. ML:1.3 0.000025039685 0.1024 AML other m 2023-02-27T19:27:44.88
IV.GAVE.HNE. ML:2.0 0.00010732890000000001 0.2688 AML other m 2023-02-27T19:27:44.24
IV.RM33.EHE. ML:1.3 0.000019605659000000002 0.2304 AML other m 2023-02-27T19:27:46.97
IV.RM33.EHN. ML:1.4 0.000026936705 0.2304 AML other m 2023-02-27T19:27:49.64
IV.MOMA.HHN. ML:1.6 0.00003985566 0.2816 AML other m 2023-02-27T19:27:47.12
IV.MOMA.HHE. ML:1.5 0.00003675147 0.2432 AML other m 2023-02-27T19:27:47.42
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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