Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-12-2023 and time 15:27:25 (Italy) in region 4 km NE Sant'Angelo in Pontano (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km NE Sant'Angelo in Pontano (MC), on

  • 04-12-2023 14:27:25 (UTC)
  • 04-12-2023 15:27:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1290, 13.4160 at 27 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 4 1436 1436
Ripe San Ginesio MC 4 852 2288
Loro Piceno MC 4 2401 4689
Montappone FM 5 1682 6371
Falerone FM 5 3337 9708
Massa Fermana FM 6 963 10671
Monte Vidon Corrado FM 6 731 11402
Colmurano MC 6 1263 12665
Penna San Giovanni MC 8 1108 13773
Urbisaglia MC 8 2628 16401
Servigliano FM 8 2336 18737
San Ginesio MC 8 3498 22235
Mogliano MC 8 4696 26931
Gualdo MC 9 815 27746
Montegiorgio FM 10 6851 34597
Belmonte Piceno FM 11 646 35243
Monte San Martino MC 11 765 36008
Petriolo MC 11 1998 38006
Camporotondo di Fiastrone MC 12 563 38569
Francavilla d'Ete FM 12 964 39533
Cessapalombo MC 13 512 40045
Monteleone di Fermo FM 13 395 40440
Monsampietro Morico FM 13 659 41099
Santa Vittoria in Matenano FM 14 1330 42429
Magliano di Tenna FM 14 1452 43881
Sarnano MC 14 3264 47145
Tolentino MC 14 20069 67214
Smerillo FM 14 365 67579
Belforte del Chienti MC 15 1886 69465
Rapagnano FM 15 2145 71610
Monte San Pietrangeli FM 15 2458 74068
Grottazzolina FM 15 3398 77466
Corridonia MC 15 15430 92896
Caldarola MC 15 1823 94719
Montottone FM 16 979 95698
Montelparo FM 16 778 96476
Montefalcone Appennino FM 16 424 96900
Pollenza MC 16 6618 103518
Torre San Patrizio FM 17 2048 105566
Amandola FM 17 3629 109195
Monte Rinaldo FM 18 379 109574
Monte Giberto FM 18 801 110375
Monte San Giusto MC 19 8191 118566
Comunanza AP 19 3166 121732
Ortezzano FM 19 774 122506
Serrapetrona MC 19 966 123472
Macerata MC 19 42473 165945
Force AP 19 1354 167299
Monte Vidon Combatte FM 20 433 167732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km S of Ancona (100861 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
61 Km E of Foligno (57155 inhabitants)
83 Km E of Perugia (166134 inhabitants)
86 Km SE of Fano (60888 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
89 Km NE of Terni (111501 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
96 Km SE of Pesaro (94582 inhabitants)
98 Km NW of Pescara (121014 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 1.3 2023-12-04
14:27:25		 43.1293 13.416 27 2023-12-04
14:39:47		 Sala Sismica INGV-Roma 123807781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 14:27:25 ± 0.28
Latitude 43.1293 ± 0.0117
Longitude 13.4160 ± 0.0136
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123807781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 757
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 123807781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 14:39:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-12-04T14:27:38.70 1.0 undecidable manual S 267 36.0417 121 0.12 25
IV.EL6.EHE. 2023-12-04T14:27:38.38 0.6 undecidable manual S 311 33.744 123 0.31 48
IV.FIAM.HHZ. 2023-12-04T14:27:37.13 3.0 negative manual P -0.03 0
IV.FDMO.HHZ. 2023-12-04T14:27:37.50 0.6 undecidable manual S 249 28.5492 128 0.56 45
IV.MMO1.EHZ. 2023-12-04T14:27:36.76 0.3 undecidable manual S 196 26.5512 131 0.23 74
IV.MNTT.EHN. 2023-12-04T14:27:35.15 0.3 undecidable manual S 117 16.3725 146 0.44 73
IV.CSP1.EHZ. 2023-12-04T14:27:34.76 0.6 undecidable manual S 256 17.5713 143 -0.14 51
IV.MF5.EHZ. 2023-12-04T14:27:34.55 0.3 undecidable manual S 167 16.0728 146 -0.12 77
IV.MML1.EHZ. 2023-12-04T14:27:33.43 0.6 undecidable manual P 267 36.0417 121 0.48 46
IV.GUMA.HHZ. 2023-12-04T14:27:33.59 0.6 undecidable manual S 222 9.879 158 -0.29 50
IV.EL6.EHE. 2023-12-04T14:27:32.51 0.3 undecidable manual P 311 33.744 123 -0.14 75
IV.FDMO.HHZ. 2023-12-04T14:27:32.12 1.0 undecidable manual P 249 28.5492 128 0.12 25
IV.CING.HHZ. 2023-12-04T14:27:32.03 0.3 undecidable manual P 327 32.6451 124 -0.48 70
IV.MMO1.EHZ. 2023-12-04T14:27:31.61 0.3 undecidable manual P 196 26.5512 131 -0.15 76
IV.MNTT.EHN. 2023-12-04T14:27:31.31 0.6 undecidable manual P 117 16.3725 146 0.6 46
IV.CSP1.EHZ. 2023-12-04T14:27:30.69 0.6 undecidable manual P 256 17.5713 143 -0.13 52
IV.MF5.EHZ. 2023-12-04T14:27:30.43 0.3 undecidable manual P 167 16.0728 146 -0.26 75
IV.GUMA.HHZ. 2023-12-04T14:27:29.90 0.1 undecidable manual P 222 9.879 158 -0.34 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.2 0.00005840000000000001 0.08 AML other m 2023-12-04T14:27:36.90
IV.MMO1.EHE. ML:1.1 0.00004975 1.24 AML other m 2023-12-04T14:27:37.31
IV.FDMO.HHN. ML:1.4 0.00009005 0.56 AML other m 2023-12-04T14:27:37.68
IV.FDMO.HHE. ML:1.4 0.00010159999999999999 0.52 AML other m 2023-12-04T14:27:37.70
IV.MML1.EHN. ML:1.1 0.000041599999999999995 0.22 AML other m 2023-12-04T14:27:40.16
IV.MML1.EHE. ML:1.1 0.000040300000000000004 0.22 AML other m 2023-12-04T14:27:40.26
IV.GUMA.HHE. ML:1.7 0.0002676447 0.224 AML other m 2023-12-04T14:27:33.66
IV.GUMA.HHN. ML:1.2 0.00008661485499999999 0.2048 AML other m 2023-12-04T14:27:33.75
IV.MF5.EHE. ML:1.3 0.00009752077 0.1408 AML other m 2023-12-04T14:27:34.78
IV.MF5.EHN. ML:1.3 0.000105289175 0.1152 AML other m 2023-12-04T14:27:34.77
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