Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 18-01-2024 and time 23:16:28 (Italy) in region 3 km E Sant'Angelo in Pontano (MC)

A magnitude ML 1.8 earthquake occured in region: 3 km E Sant'Angelo in Pontano (MC), on

  • 18-01-2024 22:16:28 (UTC)
  • 18-01-2024 23:16:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1070, 13.4330 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.

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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
Sant'Angelo in Pontano MC 3 1436 1436
Falerone FM 3 3337 4773
Montappone FM 4 1682 6455
Monte Vidon Corrado FM 5 731 7186
Penna San Giovanni MC 6 1108 8294
Servigliano FM 6 2336 10630
Massa Fermana FM 6 963 11593
Ripe San Ginesio MC 7 852 12445
Loro Piceno MC 7 2401 14846
Monte San Martino MC 8 765 15611
Gualdo MC 9 815 16426
Belmonte Piceno FM 9 646 17072
Colmurano MC 9 1263 18335
Montegiorgio FM 9 6851 25186
San Ginesio MC 9 3498 28684
Mogliano MC 10 4696 33380
Monteleone di Fermo FM 10 395 33775
Monsampietro Morico FM 11 659 34434
Santa Vittoria in Matenano FM 11 1330 35764
Urbisaglia MC 11 2628 38392
Smerillo FM 11 365 38757
Francavilla d'Ete FM 13 964 39721
Montelparo FM 13 778 40499
Magliano di Tenna FM 13 1452 41951
Petriolo MC 13 1998 43949
Sarnano MC 13 3264 47213
Montottone FM 13 979 48192
Montefalcone Appennino FM 13 424 48616
Grottazzolina FM 14 3398 52014
Camporotondo di Fiastrone MC 14 563 52577
Cessapalombo MC 14 512 53089
Rapagnano FM 14 2145 55234
Monte Rinaldo FM 15 379 55613
Amandola FM 15 3629 59242
Monte San Pietrangeli FM 15 2458 61700
Monte Giberto FM 16 801 62501
Ortezzano FM 17 774 63275
Tolentino MC 17 20069 83344
Force AP 17 1354 84698
Comunanza AP 17 3166 87864
Torre San Patrizio FM 17 2048 89912
Corridonia MC 17 15430 105342
Belforte del Chienti MC 17 1886 107228
Caldarola MC 17 1823 109051
Monte Vidon Combatte FM 17 433 109484
Ponzano di Fermo FM 18 1674 111158
Petritoli FM 19 2335 113493
Pollenza MC 19 6618 120111
Montalto delle Marche AP 19 2122 122233
Monte San Giusto MC 20 8191 130424
Montefortino FM 20 1178 131602
Montedinove AP 20 488 132090
Rotella AP 20 906 132996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NW of Teramo (54892 inhabitants)
57 Km S of Ancona (100861 inhabitants)
62 Km E of Foligno (57155 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
85 Km E of Perugia (166134 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
88 Km NE of Terni (111501 inhabitants)
89 Km SE of Fano (60888 inhabitants)
96 Km NW of Pescara (121014 inhabitants)
99 Km SE of Pesaro (94582 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 1.8 2024-01-18
22:16:28		 43.107 13.4333 25 2024-01-18
22:28:07		 Sala Sismica INGV-Roma 124735021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-18 22:16:28 ± 0.14
Latitude 43.1070 ± 0.0054
Longitude 13.4333 ± 0.0074
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124735021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124735021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-18 22:28:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2024-01-18T22:18:23.75 3.0 undecidable manual Sg 10.55 0
IV.ECTS.HHZ. 2024-01-18T22:17:42.38 3.0 undecidable manual Pn -5.38 0
IV.SALB.HHZ. 2024-01-18T22:17:36.87 3.0 undecidable manual Pg 9.42 0
IV.MRB1.HNZ. 2024-01-18T22:17:36.04 3.0 undecidable manual Sn 0.56 0
IV.CET2.HHZ. 2024-01-18T22:17:32.92 3.0 undecidable manual Pn 3.38 0
IV.PAOL.HHZ. 2024-01-18T22:17:26.64 3.0 undecidable manual Sn -7.68 0
IV.MRB1.HNZ. 2024-01-18T22:17:03.77 3.0 undecidable manual Pn -1.61 0
IV.VVLD.HHZ. 2024-01-18T22:17:03.72 3.0 undecidable manual Sn -6.16 0
IV.PTRJ.HHZ. 2024-01-18T22:17:02.75 3.0 undecidable manual Pg 2.38 0
IV.MML1.EHZ. 2024-01-18T22:16:42.09 0.6 undecidable manual S 271 37.4292 116 0.46 43
IV.NRCA.HHZ. 2024-01-18T22:16:42.46 0.6 undecidable manual S 221 39.9267 115 0.23 45
IV.CING.HHZ. 2024-01-18T22:16:41.36 0.6 undecidable manual S 327 35.4423 118 0.19 47
IV.GIGS.HHZ. 2024-01-18T22:16:40.05 3.0 undecidable manual P -2.98 0
IV.FDMO.HHZ. 2024-01-18T22:16:39.83 0.6 undecidable manual S 255 29.1486 124 0.11 47
IV.MMO1.EHZ. 2024-01-18T22:16:38.68 0.6 undecidable manual S 201 24.6531 129 -0.07 49
IV.CSP1.EHZ. 2024-01-18T22:16:37.40 0.6 undecidable manual S 265 18.5703 138 -0.19 49
IV.MNTT.EHZ. 2024-01-18T22:16:37.38 0.6 undecidable manual S 111 14.0748 146 0.54 45
IV.NRCA.HHZ. 2024-01-18T22:16:36.30 0.1 undecidable manual P 221 39.9267 115 -0.06 95
IV.MF5.EHZ. 2024-01-18T22:16:36.51 0.6 undecidable manual S 171 13.3755 148 -0.24 48
IV.MML1.EHZ. 2024-01-18T22:16:36.04 0.6 undecidable manual P 271 37.4292 116 0.03 48
IV.GUMA.HHZ. 2024-01-18T22:16:36.16 0.6 undecidable manual S 238 9.3795 157 -0.08 50
IV.MNTP.HNZ. 2024-01-18T22:16:35.80 0.6 undecidable manual S 41 4.4955 168 -0.05 50
IV.SAP2.EHZ. 2024-01-18T22:16:35.64 0.6 undecidable manual S 248 2.997 172 -0.14 50
IV.CING.HHZ. 2024-01-18T22:16:35.74 0.1 undecidable manual P 327 35.4423 118 0 96
IV.MMO1.EHZ. 2024-01-18T22:16:34.21 0.1 positive manual P 201 24.6531 129 -0.13 96
IV.FDMO.HHZ. 2024-01-18T22:16:34.82 0.3 positive manual P 255 29.1486 124 -0.08 73
IV.MF5.EHZ. 2024-01-18T22:16:33.29 0.1 undecidable manual P 171 13.3755 148 0.1 99
IV.CSP1.EHZ. 2024-01-18T22:16:33.59 0.3 undecidable manual P 265 18.5703 138 -0.08 74
IV.MNTT.EHZ. 2024-01-18T22:16:33.52 0.1 undecidable manual P 111 14.0748 146 0.28 96
IV.GUMA.HHZ. 2024-01-18T22:16:32.82 0.1 positive manual P 238 9.3795 157 -0.07 100
IV.MNTP.HNZ. 2024-01-18T22:16:32.51 0.1 undecidable manual P 41 4.4955 168 -0.16 98
IV.SAP2.EHZ. 2024-01-18T22:16:32.35 0.3 undecidable manual P 248 2.997 172 -0.28 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:2.0 0.0005825 0.24 AML other m 2024-01-18T22:16:36.43
IV.GUMA.HHE. ML:1.8 0.0003635 0.34 AML other m 2024-01-18T22:16:37.01
IV.MF5.EHN. ML:1.8 0.00034199999999999996 0.42 AML other m 2024-01-18T22:16:37.30
IV.MF5.EHE. ML:1.8 0.0003815 0.28 AML other m 2024-01-18T22:16:37.16
IV.CSP1.EHN. ML:1.8 0.00035 0.44 AML other m 2024-01-18T22:16:37.62
IV.CSP1.EHE. ML:1.8 0.000347 0.14 AML other m 2024-01-18T22:16:37.67
IV.NRCA.HHN. ML:1.4 0.00006515 0.16 AML other m 2024-01-18T22:16:42.83
IV.NRCA.HHE. ML:1.5 0.0000925 1.06 AML other m 2024-01-18T22:16:43.70
IV.GUMA.HNE. ML:1.8 0.00034527379999999995 0.3328 AML other m 2024-01-18T22:16:37.01
IV.GUMA.HNN. ML:2.0 0.00056188505 0.2432 AML other m 2024-01-18T22:16:36.31
IV.MNTT.EHE. ML:1.6 0.00020805025 0.4224 AML other m 2024-01-18T22:16:40.09
IV.MNTT.EHN. ML:1.7 0.0002717834 0.256 AML other m 2024-01-18T22:16:39.74
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