Earthquake with magnitude of ML 1.1 on date 31-12-2023 and time 08:04:25 (Italy) in region 1 km E Montelparo (FM)

A magnitude ML 1.1 earthquake occured in region: 1 km E Montelparo (FM), on

  • 31-12-2023 07:04:25 (UTC)
  • 31-12-2023 08:04:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0170, 13.5450 at 24 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montelparo FM 1 778 778
Monte Rinaldo FM 3 379 1157
Monteleone di Fermo FM 4 395 1552
Santa Vittoria in Matenano FM 4 1330 2882
Ortezzano FM 6 774 3656
Monsampietro Morico FM 6 659 4315
Montottone FM 6 979 5294
Montalto delle Marche AP 6 2122 7416
Montedinove AP 6 488 7904
Rotella AP 7 906 8810
Force AP 7 1354 10164
Montefalcone Appennino FM 8 424 10588
Monte Vidon Combatte FM 8 433 11021
Smerillo FM 8 365 11386
Servigliano FM 8 2336 13722
Belmonte Piceno FM 8 646 14368
Monte San Martino MC 9 765 15133
Penna San Giovanni MC 11 1108 16241
Petritoli FM 11 2335 18576
Castignano AP 11 2796 21372
Monte Giberto FM 11 801 22173
Carassai AP 12 1100 23273
Grottazzolina FM 12 3398 26671
Falerone FM 12 3337 30008
Cossignano AP 12 978 30986
Comunanza AP 12 3166 34152
Monte Vidon Corrado FM 13 731 34883
Montegiorgio FM 13 6851 41734
Ponzano di Fermo FM 13 1674 43408
Magliano di Tenna FM 14 1452 44860
Montappone FM 15 1682 46542
Palmiano AP 15 196 46738
Offida AP 15 5058 51796
Sant'Angelo in Pontano MC 15 1436 53232
Venarotta AP 16 2066 55298
Amandola FM 16 3629 58927
Massa Fermana FM 16 963 59890
Monterubbiano FM 16 2230 62120
Appignano del Tronto AP 16 1785 63905
Rapagnano FM 17 2145 66050
Moresco FM 17 598 66648
Montefiore dell'Aso AP 17 2123 68771
Gualdo MC 18 815 69586
Ripatransone AP 18 4309 73895
Roccafluvione AP 18 2010 75905
Ascoli Piceno AP 18 49407 125312
Montefortino FM 18 1178 126490
Torre San Patrizio FM 19 2048 128538
Francavilla d'Ete FM 19 964 129502
Loro Piceno MC 20 2401 131903
Mogliano MC 20 4696 136599
Monte San Pietrangeli FM 20 2458 139057
Sarnano MC 20 3264 142321
Castorano AP 20 2380 144701

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NW of Teramo (54892 inhabitants)
67 Km S of Ancona (100861 inhabitants)
69 Km E of Foligno (57155 inhabitants)
75 Km NW of Montesilvano (53738 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
82 Km NW of Pescara (121014 inhabitants)
89 Km NE of Terni (111501 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
94 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
Reviewed
Rev100
ML 1.1 2023-12-31
07:04:25
43.0172 13.5447 24 2023-12-31
07:10:04
Sala Sismica INGV-Roma 124371131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 07:04:25 ± 0.24
Latitude 43.0172 ± 0.0126
Longitude 13.5447 ± 0.0111
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124371131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1372
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.33455
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 124371131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 07:10:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-12-31T07:04:37.30 0.6 undecidable manual S 287 28.749 123 0.3 63
IV.MMO1.EHZ. 2023-12-31T07:04:35.42 0.6 undecidable manual S 234 21.9669 132 -0.14 65
IV.MNTT.EHZ. 2023-12-31T07:04:33.21 0.6 undecidable manual S 40 6.4935 163 -0.06 69
IV.MF5.EHZ. 2023-12-31T07:04:33.29 0.6 undecidable manual S 245 7.5813 160 -0.08 68
IV.FDMO.HHZ. 2023-12-31T07:04:33.41 0.6 positive manual P 273 37.1295 116 0.03 65
IV.CSP1.EHZ. 2023-12-31T07:04:32.25 0.6 undecidable manual P 287 28.749 123 0 66
IV.MMO1.EHZ. 2023-12-31T07:04:31.31 0.3 positive manual P 234 21.9669 132 -0.11 98
IV.OFFI.HHN. 2023-12-31T07:04:31.16 0.6 undecidable manual P 128 14.6742 144 0.5 61
IV.MF5.EHZ. 2023-12-31T07:04:30.12 0.6 undecidable manual P 245 7.5813 160 -0.04 68
IV.MNTT.EHZ. 2023-12-31T07:04:29.90 0.3 undecidable manual P 40 6.4935 163 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:1.7 0.000294 0.14 AML other m 2023-12-31T07:04:33.50
IV.MF5.EHE. ML:1.5 0.00021235375000000002 0.16 AML other m 2023-12-31T07:04:33.49
IV.MNTT.EHE. ML:1.2 0.0001015 0.42 AML other m 2023-12-31T07:04:34.73
IV.MMO1.EHN. ML:0.7 0.00002485 0.32 AML other m 2023-12-31T07:04:35.71
IV.MMO1.EHE. ML:0.6 0.000019440499999999998 0.42 AML other m 2023-12-31T07:04:35.56
IV.MNTT.EHN. ML:1.1 0.0000852 0.64 AML other m 2023-12-31T07:04:37.46
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