Earthquake with magnitude of ML 1.8 on date 04-05-2021 and time 16:24:02 (UTC) in region 1 km SW Petritoli (FM)

A magnitude ML 1.8 earthquake occured in region: 1 km SW Petritoli (FM), on

  • 04-05-2021 16:24:02 (UTC)
  • 04-05-2021 18:24:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.062, 13.642 at 26 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Petritoli FM 1 2335 2335
Monte Vidon Combatte FM 2 433 2768
Monte Giberto FM 4 801 3569
Ortezzano FM 4 774 4343
Montottone FM 5 979 5322
Carassai AP 5 1100 6422
Ponzano di Fermo FM 5 1674 8096
Monte Rinaldo FM 6 379 8475
Grottazzolina FM 7 3398 11873
Monterubbiano FM 7 2230 14103
Monsampietro Morico FM 7 659 14762
Moresco FM 8 598 15360
Montalto delle Marche AP 9 2122 17482
Montefiore dell'Aso AP 9 2123 19605
Belmonte Piceno FM 9 646 20251
Monteleone di Fermo FM 9 395 20646
Cossignano AP 9 978 21624
Magliano di Tenna FM 10 1452 23076
Montelparo FM 10 778 23854
Montedinove AP 11 488 24342
Montegiorgio FM 11 6851 31193
Rapagnano FM 12 2145 33338
Ripatransone AP 12 4309 37647
Lapedona FM 12 1166 38813
Servigliano FM 12 2336 41149
Santa Vittoria in Matenano FM 13 1330 42479
Massignano AP 13 1638 44117
Fermo FM 13 37655 81772
Altidona FM 13 3390 85162
Rotella AP 14 906 86068
Castignano AP 14 2796 88864
Torre San Patrizio FM 14 2048 90912
Campofilone FM 14 1916 92828
Monte Vidon Corrado FM 14 731 93559
Offida AP 15 5058 98617
Falerone FM 15 3337 101954
Monte San Pietrangeli FM 15 2458 104412
Montappone FM 16 1682 106094
Monte Urano FM 16 8353 114447
Force AP 16 1354 115801
Francavilla d'Ete FM 17 964 116765
Massa Fermana FM 17 963 117728
Monte San Martino MC 17 765 118493
Pedaso FM 17 2800 121293
Montefalcone Appennino FM 17 424 121717
Smerillo FM 17 365 122082
Penna San Giovanni MC 18 1108 123190
Appignano del Tronto AP 18 1785 124975
Cupra Marittima AP 18 5398 130373
Porto San Giorgio FM 19 16121 146494
Mogliano MC 19 4696 151190
Acquaviva Picena AP 19 3831 155021
Sant'Elpidio a Mare FM 19 17110 172131
Montegranaro FM 19 12990 185121
Castorano AP 19 2380 187501
Monte San Giusto MC 20 8191 195692

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Teramo (54892 inhabitants)
63 Km S of Ancona (100861 inhabitants)
74 Km NW of Montesilvano (53738 inhabitants)
77 Km E of Foligno (57155 inhabitants)
81 Km NW of Pescara (121014 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
98 Km NE of Terni (111501 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 1.8 2021-05-04
16:24:02
43.0618 13.6423 26 2021-12-29
11:11:59
Bollettino Sismico Italiano INGV 90252051
Reviewed
Rev100
ML 1.9 2021-05-04
16:24:02
43.051 13.6087 27 2021-05-04
16:31:13
Sala Sismica INGV-Roma 89770681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-04 16:24:02 ± 0.14
Latitude 43.0618 ± 0.0054
Longitude 13.6423 ± 0.0086
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90252051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 675
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 670
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.83727
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 38
Type of magnitude ML
Reference to an origin 90252051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-02 10:20:18

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 89770681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-04 16:31:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-05-04T16:24:21.01 0.6 undecidable manual S 304 0.4757 110 1.11 33
IV.T0110.HHZ. 2021-05-04T16:24:19.09 0.6 undecidable manual P 173 0.8373 101 0.5 39
IV.NRCA.HHN. 2021-05-04T16:24:19.52 0.6 undecidable manual S 240 0.4488 111 0.38 44
IV.FDMO.HHZ. 2021-05-04T16:24:18.31 0.6 undecidable manual S 267 0.4065 114 0.33 45
IV.MC2.EHZ. 2021-05-04T16:24:17.36 0.6 undecidable manual S 246 0.3642 117 0.51 44
IV.PF6.EHN. 2021-05-04T16:24:16.10 0.6 undecidable manual S 283 0.3354 119 0 49
IV.CSP1.EHZ. 2021-05-04T16:24:15.82 0.6 undecidable manual S 276 0.3211 120 0.1 48
IV.RM33.EHZ. 2021-05-04T16:24:15.21 0.3 undecidable manual P 210 0.6358 104 0 69
IV.MMO1.EHZ. 2021-05-04T16:24:14.52 0.6 undecidable manual S 235 0.2824 124 -0.23 47
IV.AOI.HHN. 2021-05-04T16:24:13.63 0.6 undecidable manual P 357 0.4892 109 0.82 38
IV.GUMA.HHZ. 2021-05-04T16:24:13.59 0.3 undecidable manual S 270 0.2239 131 0.2 73
IV.OFFI.HHN. 2021-05-04T16:24:12.31 0.3 undecidable manual S 166 0.1304 148 0.74 63
IV.CING.HHZ. 2021-05-04T16:24:12.26 0.3 undecidable manual P 314 0.4524 111 0.05 71
IV.NRCA.HHN. 2021-05-04T16:24:12.13 0.1 undecidable manual P 240 0.4488 111 -0.03 96
IV.SMA1.EHZ. 2021-05-04T16:24:12.62 0.1 undecidable manual P 208 0.4865 109 -0.14 93
IV.SAP2.EHZ. 2021-05-04T16:24:12.39 0.6 undecidable manual S 281 0.1808 138 -0.08 49
IV.EL6.EHZ. 2021-05-04T16:24:12.64 0.3 undecidable manual P 304 0.4757 110 0.04 71
IV.TERO.HHZ. 2021-05-04T16:24:11.67 0.3 undecidable manual P 184 0.4398 112 -0.34 68
IV.FDMO.HHZ. 2021-05-04T16:24:11.39 0.1 undecidable manual P 267 0.4065 114 -0.1 95
IV.MNTP.HNZ. 2021-05-04T16:24:11.62 0.6 undecidable manual S 301 0.1475 144 -0.22 48
IV.MF5.EHE. 2021-05-04T16:24:11.77 0.3 undecidable manual S 241 0.1529 143 -0.17 73
IV.CSP1.EHZ. 2021-05-04T16:24:10.06 0.1 negative manual P 276 0.3211 120 -0.13 96
IV.MNTT.EHN. 2021-05-04T16:24:10.29 0.6 undecidable manual S 270 0.0342 171 -0.25 49
IV.PF6.EHN. 2021-05-04T16:24:10.24 0.1 undecidable manual P 283 0.3354 119 -0.17 95
IV.MTRA.EHZ. 2021-05-04T16:24:10.45 0.3 undecidable manual P 211 0.3543 117 -0.23 70
IV.MC2.EHZ. 2021-05-04T16:24:10.92 0.1 undecidable manual P 246 0.3642 117 0.09 96
IV.MMO1.EHZ. 2021-05-04T16:24:09.39 0.1 positive manual P 235 0.2824 124 -0.23 95
IV.CADA.HNE. 2021-05-04T16:24:08.07 0.3 undecidable manual P 33 0.1583 142 0.01 76
IV.GUMA.HHZ. 2021-05-04T16:24:08.82 0.1 negative manual P 270 0.2239 131 -0.02 100
IV.SAP2.EHZ. 2021-05-04T16:24:08.19 0.1 undecidable manual P 281 0.1808 138 -0.12 99
IV.MF5.EHE. 2021-05-04T16:24:07.89 0.1 positive manual P 241 0.1529 143 -0.11 100
IV.MNTP.HNZ. 2021-05-04T16:24:07.69 0.1 undecidable manual P 301 0.1475 144 -0.26 97
IV.OFFI.HHN. 2021-05-04T16:24:07.96 0.1 undecidable manual P 166 0.1304 148 0.17 99
IV.MNTT.EHN. 2021-05-04T16:24:06.94 0.1 undecidable manual P 270 0.0342 171 -0.25 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHN. ML:2.4 0.001525 0.24 AML other m 2021-05-04T16:24:10.62
IV.MNTT.EHE. ML:2.5 0.0017633905 0.1792 AML other m 2021-05-04T16:24:11.92
IV.MF5.EHE. ML:1.6 0.00019206105 0.1792 AML other m 2021-05-04T16:24:11.90
IV.MF5.EHN. ML:2.1 0.0006370844135 0.128 AML other m 2021-05-04T16:24:12.06
IV.SAP2.EHN. ML:2.6 0.0017327865 0.1792 AML other m 2021-05-04T16:24:12.74
IV.OFFI.HHE. ML:2.2 0.00089992475 1.5776 AML other m 2021-05-04T16:24:13.87
IV.OFFI.HHN. ML:2.1 0.00061798575 0.256 AML other m 2021-05-04T16:24:13.01
IV.SAP2.EHE. ML:1.9 0.000357 0.16 AML other m 2021-05-04T16:24:13.27
IV.GUMA.HNN. ML:2.2 0.0007064151 0.2432 AML other m 2021-05-04T16:24:13.89
IV.GUMA.HHE. ML:2.2 0.00074389725 0.256 AML other m 2021-05-04T16:24:13.89
IV.GUMA.HNE. ML:2.1 0.00054111985 0.3712 AML other m 2021-05-04T16:24:14.25
IV.GUMA.HHN. ML:2.2 0.000702 1.7 AML other m 2021-05-04T16:24:14.93
IV.CSP1.EHN. ML:1.6 0.000117838855 1.7824 AML other m 2021-05-04T16:24:15.97
IV.CSP1.EHE. ML:1.7 0.00015395 0.3 AML other m 2021-05-04T16:24:17.06
IV.FDMO.HHN. ML:1.6 9.755E-5 0.16 AML other m 2021-05-04T16:24:18.58
IV.FDMO.HHE. ML:1.9 0.0002005 0.26 AML other m 2021-05-04T16:24:18.61
IV.TERO.HNN. ML:1.8 0.000144391345 0.7552 AML other m 2021-05-04T16:24:19.61
IV.TERO.HHE. ML:0.8 1.7194005E-5 0.0768 AML other m 2021-05-04T16:24:20.12
IV.TERO.HHN. ML:0.9 2.2409905E-5 0.0896 AML other m 2021-05-04T16:24:20.63
IV.NRCA.HHN. ML:2 0.0002085 0.16 AML other m 2021-05-04T16:24:20.66
IV.NRCA.HNE. ML:1.9 0.0001879396 0.192 AML other m 2021-05-04T16:24:20.77
IV.NRCA.HHE. ML:1.8 0.0001615 0.1 AML other m 2021-05-04T16:24:20.77
IV.SMA1.EHN. ML:1.1 2.7280275E-5 0.1792 AML other m 2021-05-04T16:24:21.82
IV.CING.HHN. ML:1.1 3.12E-5 0.76 AML other m 2021-05-04T16:24:23.58
IV.CING.HHE. ML:1 2.673097E-5 0.2432 AML other m 2021-05-04T16:24:23.85
IV.RM33.HNN. ML:1.9 0.0001078678 1.1552 AML other m 2021-05-04T16:24:24.27
IV.EL6.EHE. ML:1.3 4.5583755E-5 1.7824 AML other m 2021-05-04T16:24:25.09
IV.EL6.EHN. ML:1.3 4.42100235E-5 0.256 AML other m 2021-05-04T16:24:25.09
IV.SMA1.EHE. ML:1.1 2.6520155E-5 1.6672 AML other m 2021-05-04T16:24:26.89
IV.CING.HNN. ML:3.5 0.006996125 0.704 AML other m 2021-05-04T16:24:26.59
IV.RM33.EHN. ML:1.2 2.27E-5 0.24 AML other m 2021-05-04T16:24:28.60
IV.RM33.EHE. ML:1.1 2.0978445E-5 0.2688 AML other m 2021-05-04T16:24:29.26
IV.TERO.HNE. ML:1.8 0.00013324252 0.832 AML other m 2021-05-04T16:24:32.83
IV.CING.HNE. ML:3.4 0.006013683 1.2928 AML other m 2021-05-04T16:24:34.65
IV.NRCA.HNN. ML:1.9 0.0001993723 0.7456 AML other m 2021-05-04T16:24:34.55
IV.T0110.HHE. ML:1.4 2.487607E-5 0.2432 AML other m 2021-05-04T16:24:38.43
IV.T0110.HHN. ML:1.4 2.4720115E-5 0.384 AML other m 2021-05-04T16:24:41.88
IV.RM33.HNE. ML:2.2 0.00021262455 0.9472 AML other m 2021-05-04T16:24:42.10
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