Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 23-02-2021 and time 09:06:07 (UTC) in region 2 km SW Monteleone di Fermo (FM)

A magnitude ML 1.9 earthquake occured in region: 2 km SW Monteleone di Fermo (FM), on

  • 23-02-2021 09:06:07 (UTC)
  • 23-02-2021 10:06:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0380, 13.5160 at 24 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
Monteleone di Fermo FM 2 395 395
Santa Vittoria in Matenano FM 3 1330 1725
Montelparo FM 3 778 2503
Monsampietro Morico FM 5 659 3162
Servigliano FM 5 2336 5498
Monte Rinaldo FM 5 379 5877
Monte San Martino MC 6 765 6642
Belmonte Piceno FM 6 646 7288
Montottone FM 6 979 8267
Smerillo FM 7 365 8632
Montefalcone Appennino FM 7 424 9056
Ortezzano FM 8 774 9830
Penna San Giovanni MC 8 1108 10938
Falerone FM 9 3337 14275
Force AP 9 1354 15629
Montalto delle Marche AP 9 2122 17751
Montedinove AP 9 488 18239
Monte Vidon Combatte FM 10 433 18672
Monte Vidon Corrado FM 10 731 19403
Rotella AP 10 906 20309
Montegiorgio FM 10 6851 27160
Grottazzolina FM 11 3398 30558
Monte Giberto FM 11 801 31359
Montappone FM 12 1682 33041
Petritoli FM 12 2335 35376
Sant'Angelo in Pontano MC 12 1436 36812
Comunanza AP 12 3166 39978
Magliano di Tenna FM 13 1452 41430
Massa Fermana FM 13 963 42393
Ponzano di Fermo FM 14 1674 44067
Carassai AP 14 1100 45167
Castignano AP 14 2796 47963
Amandola FM 15 3629 51592
Gualdo MC 15 815 52407
Rapagnano FM 15 2145 54552
Cossignano AP 15 978 55530
Palmiano AP 16 196 55726
Loro Piceno MC 16 2401 58127
Mogliano MC 17 4696 62823
Ripe San Ginesio MC 17 852 63675
Monterubbiano FM 17 2230 65905
Francavilla d'Ete FM 17 964 66869
Sarnano MC 17 3264 70133
Venarotta AP 18 2066 72199
Montefortino FM 18 1178 73377
San Ginesio MC 18 3498 76875
Monte San Pietrangeli FM 18 2458 79333
Torre San Patrizio FM 18 2048 81381
Offida AP 18 5058 86439
Moresco FM 18 598 87037
Colmurano MC 19 1263 88300
Montefiore dell'Aso AP 19 2123 90423
Appignano del Tronto AP 20 1785 92208
Roccafluvione AP 20 2010 94218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
64 Km S of Ancona (100861 inhabitants)
67 Km E of Foligno (57155 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
78 Km NW of Montesilvano (53738 inhabitants)
86 Km NW of Pescara (121014 inhabitants)
89 Km NE of Terni (111501 inhabitants)
92 Km E of Perugia (166134 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
98 Km SE of Fano (60888 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 2021-02-23
09:06:07		 43.0385 13.5163 24 2021-07-12
16:55:00		 Bollettino Sismico Italiano INGV 87600521
Reviewed
Rev100 		ML 1.9 2021-02-23
09:06:07		 43.0423 13.5275 24 2021-02-23
09:16:10		 Sala Sismica INGV-Roma 87405971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-23 09:06:07 ± 0.09
Latitude 43.0385 ± 0.0036
Longitude 13.5163 ± 0.0062
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87600521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76262
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 87600521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 17:37:19

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 87405971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-23 09:16:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2021-02-23T09:06:57.87 3.0 positive manual Pg 7.91 0
IV.MTMR.EHZ. 2021-02-23T09:06:50.42 3.0 positive manual Pg 5.4 0
IV.PTRJ.HHZ. 2021-02-23T09:06:37.42 3.0 undecidable manual Pn 0.05 0
IV.RMP.HHZ. 2021-02-23T09:06:34.26 3.0 negative manual Pg 3.6 0
IV.GAVE.EHZ. 2021-02-23T09:06:28.16 0.6 undecidable manual S 233 63.492 104 0.46 41
IV.CESI.HHZ. 2021-02-23T09:06:24.69 0.3 undecidable manual S 266 49.7169 108 0.52 62
IV.EL6.EHE. 2021-02-23T09:06:23.61 0.3 undecidable manual S 314 46.5201 110 0.25 67
IV.CING.HHE. 2021-02-23T09:06:23.15 0.6 undecidable manual S 325 45.5211 110 0.05 47
IV.TERO.HHZ. 2021-02-23T09:06:23.35 0.6 undecidable manual S 171 46.62 110 -0.04 47
IV.MURB.HHZ. 2021-02-23T09:06:22.80 0.3 undecidable manual P 288 84.0492 100 0.38 61
IV.ATFO.HHZ. 2021-02-23T09:06:22.42 0.3 undecidable manual P 296 84.6486 100 -0.09 64
IV.NRCA.HHZ. 2021-02-23T09:06:21.75 0.3 undecidable manual S 235 39.8268 114 0.07 70
IV.SSFR.HHZ. 2021-02-23T09:06:21.06 0.3 undecidable manual P 307 73.9704 102 0.17 65
IV.FDMO.HHZ. 2021-02-23T09:06:20.55 0.3 undecidable manual S 270 34.743 117 0.08 71
IV.ASSB.HHZ. 2021-02-23T09:06:20.15 0.3 undecidable manual P 271 69.5748 102 -0.08 66
IV.MDAR.HNN. 2021-02-23T09:06:20.44 0.3 undecidable manual S 300 34.743 117 -0.03 71
IV.MTRA.EHZ. 2021-02-23T09:06:20.05 0.6 undecidable manual S 197 32.745 119 0.06 47
IV.GAVE.EHZ. 2021-02-23T09:06:19.78 0.1 undecidable manual P 233 63.492 104 0.46 82
IV.MC2.EHZ. 2021-02-23T09:06:19.70 0.6 undecidable manual S 242 30.0477 122 0.32 45
IV.RM33.EHZ. 2021-02-23T09:06:19.38 0.6 undecidable manual P 203 63.6918 104 0.03 45
IV.PF6.EHN. 2021-02-23T09:06:18.78 0.3 undecidable manual S 293 28.3494 123 -0.2 69
IV.CSP1.EHE. 2021-02-23T09:06:18.48 0.3 undecidable manual S 283 25.9518 126 0.02 73
IV.CAMP.HHZ. 2021-02-23T09:06:17.68 0.6 undecidable manual P 189 56.3991 106 -0.59 40
IV.MMO1.EHZ. 2021-02-23T09:06:17.37 0.6 undecidable manual S 225 21.7671 132 -0.23 47
IV.CESI.HHZ. 2021-02-23T09:06:17.30 0.1 negative manual P 266 49.7169 108 0.02 93
IV.GUMA.HHZ. 2021-02-23T09:06:16.40 0.3 undecidable manual S 280 14.9739 144 0.03 74
IV.CING.HHE. 2021-02-23T09:06:16.37 0.1 undecidable manual P 325 45.5211 110 -0.3 88
IV.TERO.HHZ. 2021-02-23T09:06:16.50 0.3 undecidable manual P 171 46.62 110 -0.33 66
IV.EL6.EHE. 2021-02-23T09:06:16.64 0.1 undecidable manual P 314 46.5201 110 -0.17 90
IT.MTCL.HGZ. 2021-02-23T09:06:16.18 0.6 undecidable manual P 263 42.2244 112 -0.01 47
IV.MF5.EHZ. 2021-02-23T09:06:15.37 0.3 undecidable manual S 219 7.2927 161 -0.04 75
IV.CIMA.HNE. 2021-02-23T09:06:15.66 0.6 undecidable manual P 23 32.1456 120 0.87 37
IV.MNTP.HNZ. 2021-02-23T09:06:15.88 0.6 undecidable manual S 341 11.5773 151 -0.01 50
IV.MNTT.EHZ. 2021-02-23T09:06:15.77 0.6 undecidable manual S 68 6.993 162 0.39 46
IV.SAP2.EHZ. 2021-02-23T09:06:15.62 0.6 undecidable manual S 304 11.4774 151 -0.25 47
IV.NRCA.HHZ. 2021-02-23T09:06:15.71 0.1 positive manual P 235 39.8268 114 -0.14 93
IV.FEMA.HNE. 2021-02-23T09:06:15.80 0.6 undecidable manual P 258 38.8278 114 0.09 47
IV.MC2.EHZ. 2021-02-23T09:06:14.56 0.6 undecidable manual P 242 30.0477 122 0.04 48
IV.MDAR.HNN. 2021-02-23T09:06:14.93 0.3 undecidable manual P 300 34.743 117 -0.22 69
IV.MTRA.EHZ. 2021-02-23T09:06:14.65 0.1 positive manual P 197 32.745 119 -0.22 92
IV.FDMO.HHZ. 2021-02-23T09:06:14.98 0.1 negative manual P 270 34.743 117 -0.17 92
IV.OFFI.HHZ. 2021-02-23T09:06:13.76 0.6 undecidable manual P 130 17.871 138 0.69 41
IV.MMO1.EHZ. 2021-02-23T09:06:13.29 0.1 positive manual P 225 21.7671 132 -0.2 94
IV.PF6.EHN. 2021-02-23T09:06:13.99 0.1 undecidable manual P 293 28.3494 123 -0.3 91
IV.CSP1.EHE. 2021-02-23T09:06:13.81 0.1 undecidable manual P 283 25.9518 126 -0.18 94
IV.SAP2.EHZ. 2021-02-23T09:06:12.44 0.3 positive manual P 304 11.4774 151 -0.05 74
IV.GUMA.HHZ. 2021-02-23T09:06:12.71 0.1 undecidable manual P 280 14.9739 144 -0.07 98
IV.MF5.EHZ. 2021-02-23T09:06:12.20 0.1 positive manual P 219 7.2927 161 -0.03 100
IV.MNTP.HNZ. 2021-02-23T09:06:12.67 0.3 undecidable manual P 341 11.5773 151 0.17 72
IV.MNTT.EHZ. 2021-02-23T09:06:12.30 0.1 negative manual P 68 6.993 162 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:2.2 0.001012 0.42 AML other m 2021-02-23T09:06:15.71
IV.MF5.EHE. ML:2.0 0.000605 0.42 AML other m 2021-02-23T09:06:15.71
IV.MNTT.EHN. ML:2.6 0.0023200000000000004 0.18 AML other m 2021-02-23T09:06:16.10
IV.SAP2.EHN. ML:2.6 0.002205 0.2 AML other m 2021-02-23T09:06:16.22
IV.SAP2.EHE. ML:2.1 0.000781 0.26 AML other m 2021-02-23T09:06:16.14
IV.GUMA.HHE. ML:2.4 0.00131 0.28 AML other m 2021-02-23T09:06:16.63
IV.GUMA.HNE. ML:2.3 0.001085 0.36 AML other m 2021-02-23T09:06:16.66
IV.GUMA.HHN. ML:1.9 0.000461 0.16 AML other m 2021-02-23T09:06:16.91
IV.GUMA.HNN. ML:2.1 0.000797 0.62 AML other m 2021-02-23T09:06:16.94
IV.MNTT.EHE. ML:2.4 0.0015 0.36 AML other m 2021-02-23T09:06:17.63
IV.FDMO.HHE. ML:2.2 0.0005809999999999999 0.18 AML other m 2021-02-23T09:06:20.72
IV.FDMO.HHN. ML:1.8 0.0002235 0.12 AML other m 2021-02-23T09:06:21.25
IV.MTRA.EHE. ML:1.5 0.00010345 0.54 AML other m 2021-02-23T09:06:21.55
IV.MTRA.EHN. ML:1.3 0.0000766 1.2 AML other m 2021-02-23T09:06:22.16
IV.NRCA.HHN. ML:2.0 0.000291 0.12 AML other m 2021-02-23T09:06:22.20
IV.NRCA.HHE. ML:2.1 0.00035299999999999996 0.76 AML other m 2021-02-23T09:06:22.52
IV.TERO.HHN. ML:1.4 0.00006685000000000001 0.36 AML other m 2021-02-23T09:06:25.02
IV.CESI.HHN. ML:1.5 0.0000707 0.64 AML other m 2021-02-23T09:06:25.04
IV.TERO.HHE. ML:1.3 0.00005355 0.14 AML other m 2021-02-23T09:06:25.58
IV.CESI.HHE. ML:1.3 0.0000466 0.52 AML other m 2021-02-23T09:06:29.11
IV.RM33.EHE. ML:1.4 0.00003985 0.32 AML other m 2021-02-23T09:06:31.17
IV.RM33.EHN. ML:1.3 0.000036150000000000005 0.58 AML other m 2021-02-23T09:06:31.02
IV.ASSB.HHN. ML:1.4 0.0000391 0.98 AML other m 2021-02-23T09:06:31.89
IV.ASSB.HHE. ML:1.4 0.000034750000000000004 1.54 AML other m 2021-02-23T09:06:32.93
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