Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-10-2023 and time 11:52:20 (Italy) in region 2 km E Sant'Angelo in Pontano (MC)

A magnitude ML 1.9 earthquake occured in region: 2 km E Sant'Angelo in Pontano (MC), on

  • 22-10-2023 09:52:20 (UTC)
  • 22-10-2023 11:52:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1030, 13.4250 at 25 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 2 1436 1436
Falerone FM 4 3337 4773
Penna San Giovanni MC 5 1108 5881
Montappone FM 5 1682 7563
Monte Vidon Corrado FM 5 731 8294
Servigliano FM 6 2336 10630
Ripe San Ginesio MC 7 852 11482
Massa Fermana FM 7 963 12445
Loro Piceno MC 7 2401 14846
Gualdo MC 8 815 15661
Monte San Martino MC 8 765 16426
San Ginesio MC 9 3498 19924
Colmurano MC 9 1263 21187
Belmonte Piceno FM 9 646 21833
Montegiorgio FM 10 6851 28684
Mogliano MC 10 4696 33380
Monteleone di Fermo FM 11 395 33775
Santa Vittoria in Matenano FM 11 1330 35105
Smerillo FM 11 365 35470
Urbisaglia MC 11 2628 38098
Monsampietro Morico FM 11 659 38757
Sarnano MC 12 3264 42021
Montelparo FM 13 778 42799
Montefalcone Appennino FM 13 424 43223
Camporotondo di Fiastrone MC 13 563 43786
Cessapalombo MC 14 512 44298
Petriolo MC 14 1998 46296
Francavilla d'Ete FM 14 964 47260
Magliano di Tenna FM 14 1452 48712
Montottone FM 14 979 49691
Grottazzolina FM 14 3398 53089
Amandola FM 15 3629 56718
Monte Rinaldo FM 15 379 57097
Rapagnano FM 15 2145 59242
Comunanza AP 16 3166 62408
Monte San Pietrangeli FM 16 2458 64866
Force AP 16 1354 66220
Tolentino MC 16 20069 86289
Caldarola MC 17 1823 88112
Belforte del Chienti MC 17 1886 89998
Monte Giberto FM 17 801 90799
Ortezzano FM 17 774 91573
Torre San Patrizio FM 18 2048 93621
Corridonia MC 18 15430 109051
Monte Vidon Combatte FM 18 433 109484
Montefortino FM 19 1178 110662
Ponzano di Fermo FM 19 1674 112336
Petritoli FM 19 2335 114671
Pollenza MC 19 6618 121289
Montalto delle Marche AP 20 2122 123411
Montedinove AP 20 488 123899
Rotella AP 20 906 124805
Bolognola MC 20 142 124947

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NW of Teramo (54892 inhabitants)
58 Km S of Ancona (100861 inhabitants)
61 Km E of Foligno (57155 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
84 Km E of Perugia (166134 inhabitants)
87 Km NE of Terni (111501 inhabitants)
88 Km NW of Montesilvano (53738 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 1.9 2023-10-22
09:52:20		 43.103 13.4248 25 2023-10-22
10:02:53		 Sala Sismica INGV-Roma 122284651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-22 09:52:20 ± 0.09
Latitude 43.1030 ± 0.0027
Longitude 13.4248 ± 0.0049
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 122284651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61334
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 122284651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-22 10:02:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIGN.HHZ. 2023-10-22T09:53:18.69 3.0 undecidable manual Sg 6.13 0
IV.GIUL.HHZ. 2023-10-22T09:52:45.59 3.0 undecidable manual Pn -0.28 0
IV.GIGS.HHZ. 2023-10-22T09:52:44.78 3.0 undecidable manual S 0.65 0
IV.RM33.EHZ. 2023-10-22T09:52:42.34 0.6 undecidable manual S 195 68.0763 104 0.7 37
IV.ASSB.HHZ. 2023-10-22T09:52:40.56 0.6 undecidable manual S 264 62.3931 105 0.38 42
IV.TERO.HHZ. 2023-10-22T09:52:38.44 0.6 undecidable manual S 165 55.2003 107 0.11 44
IV.SNTG.HHE. 2023-10-22T09:52:35.33 0.6 undecidable manual S 293 42.624 113 0.16 46
IV.CESI.HHN. 2023-10-22T09:52:35.76 0.6 undecidable manual S 256 43.5231 113 0.37 44
IV.NRCA.HHZ. 2023-10-22T09:52:34.44 0.6 undecidable manual S 220 39.1275 115 0.13 46
IV.EL6.EHE. 2023-10-22T09:52:33.95 0.6 undecidable manual S 314 36.2415 117 0.32 44
IV.MML1.EHZ. 2023-10-22T09:52:33.67 0.6 undecidable manual S 272 36.741 117 -0.07 46
IV.RM33.EHZ. 2023-10-22T09:52:33.18 1.0 positive manual P 195 68.0763 104 0.44 20
IV.CING.HNE. 2023-10-22T09:52:33.40 0.6 undecidable manual S 329 35.4423 118 -0.05 47
IT.MTCL.HGE. 2023-10-22T09:52:33.79 0.6 undecidable manual S 251 36.5412 117 0.09 47
IV.FEMA.HNE. 2023-10-22T09:52:33.45 0.3 undecidable manual S 243 34.1436 119 0.31 67
IV.MC2.EHE. 2023-10-22T09:52:32.09 0.6 undecidable manual S 222 28.5492 125 0.22 46
7F.SIB3.EHE. 2023-10-22T09:52:31.44 0.6 undecidable manual S 206 28.2495 125 -0.35 44
IV.FDMO.HHZ. 2023-10-22T09:52:31.74 0.6 undecidable manual S 255 28.3494 125 -0.08 47
IV.ASSB.HHZ. 2023-10-22T09:52:31.88 0.6 positive manual P 264 62.3931 105 -0.02 45
7F.SIB1.EHE. 2023-10-22T09:52:31.25 0.6 undecidable manual S 209 26.2515 127 -0.13 47
IV.TERO.HHZ. 2023-10-22T09:52:31.03 1.0 undecidable manual P 165 55.2003 107 0.2 22
IV.ARVD.HHZ. 2023-10-22T09:52:31.84 3.0 undecidable manual P 0.26 0
7F.SIB2.EHE. 2023-10-22T09:52:30.87 0.6 undecidable manual S 203 25.4523 128 -0.33 45
IV.MMO1.HNE. 2023-10-22T09:52:30.73 0.6 undecidable manual S 199 23.9538 130 -0.16 47
IV.CSP1.EHZ. 2023-10-22T09:52:29.62 0.6 undecidable manual S 266 17.871 140 -0.11 47
IV.PF6.EHZ. 2023-10-22T09:52:29.60 0.6 undecidable manual S 282 19.0698 138 -0.34 45
IV.CESI.HHN. 2023-10-22T09:52:29.17 0.1 undecidable manual P 256 43.5231 113 0.04 93
IV.MF5.EHZ. 2023-10-22T09:52:29.27 0.6 undecidable manual S 167 13.0758 149 0.28 46
IV.MML1.EHZ. 2023-10-22T09:52:28.22 0.3 undecidable manual P 272 36.741 117 0.04 70
IV.CING.HNE. 2023-10-22T09:52:28.02 0.1 undecidable manual P 329 35.4423 118 0.01 94
IT.MTCL.HGE. 2023-10-22T09:52:28.06 0.1 undecidable manual P 251 36.5412 117 -0.09 92
IV.SAP2.EHZ. 2023-10-22T09:52:28.10 0.6 undecidable manual S 251 2.1978 174 0.06 49
IV.NRCA.HHZ. 2023-10-22T09:52:28.43 0.1 negative manual P 220 39.1275 115 -0.08 92
IV.SNTG.HHE. 2023-10-22T09:52:28.99 0.1 undecidable manual P 293 42.624 113 -0.02 93
IV.MNTP.HNZ. 2023-10-22T09:52:28.28 0.6 undecidable manual S 43 5.2947 167 0.1 48
IV.EL6.EHE. 2023-10-22T09:52:28.08 0.1 undecidable manual P 314 36.2415 117 -0.03 94
IV.GUMA.HHZ. 2023-10-22T09:52:28.41 0.6 undecidable manual S 238 8.4804 159 -0.03 49
IV.FEMA.HNE. 2023-10-22T09:52:27.91 0.1 undecidable manual P 243 34.1436 119 0.08 94
IV.MC2.EHE. 2023-10-22T09:52:27.10 0.1 undecidable manual P 222 28.5492 125 0 96
IV.MMO1.HNE. 2023-10-22T09:52:26.37 0.1 undecidable manual P 199 23.9538 130 -0.16 94
7F.SIB3.EHE. 2023-10-22T09:52:26.89 0.1 undecidable manual P 206 28.2495 125 -0.16 93
IV.FDMO.HHZ. 2023-10-22T09:52:26.95 0.6 negative manual P 255 28.3494 125 -0.12 47
7F.SIB1.EHE. 2023-10-22T09:52:26.76 0.1 undecidable manual P 209 26.2515 127 -0.05 95
7F.SIB2.EHE. 2023-10-22T09:52:26.51 0.1 undecidable manual P 203 25.4523 128 -0.2 93
IV.GUMA.HHZ. 2023-10-22T09:52:25.05 0.1 undecidable manual P 238 8.4804 159 -0.07 98
IV.MF5.EHZ. 2023-10-22T09:52:25.60 0.1 undecidable manual P 167 13.0758 149 0.17 94
IV.CSP1.EHZ. 2023-10-22T09:52:25.75 0.1 undecidable manual P 266 17.871 140 -0.11 95
IV.PF6.EHZ. 2023-10-22T09:52:25.75 0.1 undecidable manual P 282 19.0698 138 -0.24 93
IV.SAP2.EHZ. 2023-10-22T09:52:24.85 0.1 positive manual P 251 2.1978 174 -0.04 100
IV.MNTP.HNZ. 2023-10-22T09:52:24.96 0.1 positive manual P 43 5.2947 167 0 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHE. ML:1.4 0.000173 0.16 AML other m 2023-10-22T09:52:28.39
IV.GUMA.HHN. ML:2.2 0.001092 0.2 AML other m 2023-10-22T09:52:28.59
IV.GUMA.HNN. ML:2.1 0.0008425 0.24 AML other m 2023-10-22T09:52:28.47
IV.GUMA.HNE. ML:2.1 0.000753 0.28 AML other m 2023-10-22T09:52:28.52
IV.GUMA.HHE. ML:1.9 0.000479 0.42 AML other m 2023-10-22T09:52:28.89
IV.SAP2.EHN. ML:2.1 0.0007815 1.16 AML other m 2023-10-22T09:52:29.76
IV.MF5.EHN. ML:2.1 0.0007295 0.26 AML other m 2023-10-22T09:52:29.54
IV.MF5.EHE. ML:2.1 0.0007059999999999999 0.18 AML other m 2023-10-22T09:52:29.50
IV.CSP1.EHN. ML:2.3 0.0010155000000000001 0.1 AML other m 2023-10-22T09:52:29.75
IV.CSP1.EHE. ML:2.3 0.0011215 0.16 AML other m 2023-10-22T09:52:29.76
IV.FDMO.HHE. ML:2.0 0.00035499999999999996 0.14 AML other m 2023-10-22T09:52:31.88
IV.FDMO.HHN. ML:1.7 0.000203 1.16 AML other m 2023-10-22T09:52:31.40
IV.MML1.EHN. ML:1.7 0.00014700000000000002 0.16 AML other m 2023-10-22T09:52:34.18
IV.MML1.EHE. ML:1.6 0.0001235 0.62 AML other m 2023-10-22T09:52:34.35
IV.NRCA.HHN. ML:1.9 0.000215 0.12 AML other m 2023-10-22T09:52:34.60
IV.NRCA.HHE. ML:1.8 0.0001905 0.8 AML other m 2023-10-22T09:52:35.88
IV.ASSB.HHE. ML:1.1 0.000024677115 0.2816 AML other m 2023-10-22T09:52:41.23
IV.ASSB.HHN. ML:1.4 0.00003873464 0.16 AML other m 2023-10-22T09:52:41.91
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