Earthquake with magnitude of ML 1.9 on date 28-09-2023 and time 10:34:19 (Italy) in region 2 km NW Sant'Angelo in Pontano (MC)

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

  • 28-09-2023 08:34:19 (UTC)
  • 28-09-2023 10:34:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1180, 13.3830 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.

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
Ripe San Ginesio MC 3 852 2288
San Ginesio MC 5 3498 5786
Colmurano MC 6 1263 7049
Loro Piceno MC 6 2401 9450
Gualdo MC 7 815 10265
Montappone FM 7 1682 11947
Penna San Giovanni MC 8 1108 13055
Falerone FM 8 3337 16392
Monte Vidon Corrado FM 8 731 17123
Massa Fermana FM 9 963 18086
Urbisaglia MC 9 2628 20714
Camporotondo di Fiastrone MC 10 563 21277
Servigliano FM 10 2336 23613
Cessapalombo MC 10 512 24125
Monte San Martino MC 11 765 24890
Mogliano MC 11 4696 29586
Sarnano MC 11 3264 32850
Montegiorgio FM 13 6851 39701
Belforte del Chienti MC 13 1886 41587
Caldarola MC 13 1823 43410
Tolentino MC 13 20069 63479
Belmonte Piceno FM 13 646 64125
Petriolo MC 13 1998 66123
Smerillo FM 14 365 66488
Santa Vittoria in Matenano FM 14 1330 67818
Monteleone di Fermo FM 14 395 68213
Monsampietro Morico FM 15 659 68872
Amandola FM 15 3629 72501
Francavilla d'Ete FM 15 964 73465
Montefalcone Appennino FM 16 424 73889
Montelparo FM 17 778 74667
Magliano di Tenna FM 17 1452 76119
Serrapetrona MC 17 966 77085
Pollenza MC 17 6618 83703
Montottone FM 18 979 84682
Grottazzolina FM 18 3398 88080
Rapagnano FM 18 2145 90225
Comunanza AP 18 3166 93391
Corridonia MC 18 15430 108821
Monte San Pietrangeli FM 18 2458 111279
Bolognola MC 19 142 111421
Monte Rinaldo FM 19 379 111800
Force AP 19 1354 113154
Acquacanina MC 19 121 113275
Montefortino FM 20 1178 114453
Torre San Patrizio FM 20 2048 116501

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km S of Ancona (100861 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
58 Km E of Foligno (57155 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
86 Km SE of Fano (60888 inhabitants)
86 Km NE of Terni (111501 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
96 Km SE of Pesaro (94582 inhabitants)
99 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 1.9 2023-09-28
08:34:19
43.1177 13.3828 25 2023-09-28
08:41:17
Sala Sismica INGV-Roma 121534351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-28 08:34:19 ± 0.16
Latitude 43.1177 ± 0.0063
Longitude 13.3828 ± 0.0086
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 121534351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 121534351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-28 08:41:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2023-09-28T08:34:40.81 3.0 undecidable manual S -0.1 0
IV.CESI.HHZ. 2023-09-28T08:34:34.05 0.6 undecidable manual S 252 40.7259 115 0.61 43
IV.CING.HHZ. 2023-09-28T08:34:31.47 0.3 undecidable manual S 332 32.3454 121 0 73
IV.EL6.EHZ. 2023-09-28T08:34:31.94 0.3 undecidable manual S 316 32.6451 121 0.4 67
IV.FDMO.HHZ. 2023-09-28T08:34:30.32 0.3 undecidable manual S 250 25.5522 129 0.33 70
IV.ASSB.HHZ. 2023-09-28T08:34:30.07 3.0 positive manual Pg 0.2 0
IV.TERO.HHZ. 2023-09-28T08:34:29.55 3.0 positive manual P -0.6 0
IV.AOI.HHE. 2023-09-28T08:34:29.38 1.0 undecidable manual P 20 51.1155 109 0.44 21
IV.MMO1.EHZ. 2023-09-28T08:34:29.78 0.3 undecidable manual S 191 24.6531 130 -0.01 74
IV.MNTT.EHZ. 2023-09-28T08:34:29.03 0.3 undecidable manual S 110 18.2706 139 0.44 68
IV.MF5.EHZ. 2023-09-28T08:34:28.29 0.3 undecidable manual S 157 15.6732 144 0.14 74
IV.CESI.HHZ. 2023-09-28T08:34:27.68 0.3 undecidable manual P 252 40.7259 115 0.23 69
IV.GUMA.HHZ. 2023-09-28T08:34:27.15 0.3 undecidable manual S 212 7.1928 162 0.03 77
IV.CSP1.EHZ. 2023-09-28T08:34:27.94 0.3 undecidable manual S 259 14.6742 146 -0.06 74
IV.SAP2.EHZ. 2023-09-28T08:34:27.16 0.3 undecidable manual S 151 2.6973 173 0.3 73
IV.PF6.EHZ. 2023-09-28T08:34:27.93 0.3 undecidable manual S 278 15.4734 145 -0.18 73
IV.EL6.EHZ. 2023-09-28T08:34:26.29 0.3 undecidable manual P 316 32.6451 121 -0.06 73
VM.MRSC.HNZ. 2023-09-28T08:34:26.38 0.3 undecidable manual P 97 28.4493 125 0.57 64
IV.CING.HHZ. 2023-09-28T08:34:26.17 0.6 undecidable manual P 332 32.3454 121 -0.14 48
IV.MNTP.HNZ. 2023-09-28T08:34:26.80 0.3 undecidable manual S 73 7.2927 162 -0.33 72
IV.MMO1.EHZ. 2023-09-28T08:34:25.11 0.1 undecidable manual P 191 24.6531 130 -0.23 94
IV.FDMO.HHZ. 2023-09-28T08:34:25.45 0.3 undecidable manual P 250 25.5522 129 -0.01 74
IV.MF5.EHZ. 2023-09-28T08:34:24.32 0.1 positive manual P 157 15.6732 144 -0.08 99
IV.MNTT.EHZ. 2023-09-28T08:34:24.59 0.1 positive manual P 110 18.2706 139 -0.06 100
IV.PF6.EHZ. 2023-09-28T08:34:24.13 0.1 undecidable manual P 278 15.4734 145 -0.24 96
IV.CSP1.EHZ. 2023-09-28T08:34:24.20 0.1 positive manual P 259 14.6742 146 -0.11 99
IV.MNTP.HNZ. 2023-09-28T08:34:23.37 0.3 undecidable manual P 73 7.2927 162 -0.44 71
IV.SAP2.EHZ. 2023-09-28T08:34:23.37 0.1 positive manual P 151 2.6973 173 -0.28 98
IV.GUMA.HHZ. 2023-09-28T08:34:23.62 0.1 undecidable manual P 212 7.1928 162 -0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:2.1 0.0008255000000000001 0.22 AML other m 2023-09-28T08:34:27.39
IV.SAP2.EHN. ML:2.0 0.000672 0.88 AML other m 2023-09-28T08:34:27.40
IV.GUMA.HHE. ML:1.9 0.0004465 0.22 AML other m 2023-09-28T08:34:27.51
IV.SAP2.EHE. ML:1.4 0.0001815 0.86 AML other m 2023-09-28T08:34:27.14
IV.CSP1.EHE. ML:2.1 0.000717 0.42 AML other m 2023-09-28T08:34:28.23
IV.CSP1.EHN. ML:2.1 0.000713 0.48 AML other m 2023-09-28T08:34:28.26
IV.MF5.EHN. ML:1.9 0.0004275 0.26 AML other m 2023-09-28T08:34:28.59
IV.MF5.EHE. ML:1.6 0.000209 1.02 AML other m 2023-09-28T08:34:29.03
IV.MNTT.EHN. ML:2.2 0.0007880000000000001 0.32 AML other m 2023-09-28T08:34:29.10
IV.MNTT.EHE. ML:2.2 0.0008539999999999999 0.34 AML other m 2023-09-28T08:34:29.31
IV.FDMO.HHE. ML:2.3 0.000841 0.18 AML other m 2023-09-28T08:34:30.56
IV.FDMO.HHN. ML:1.9 0.000316 0.2 AML other m 2023-09-28T08:34:30.50
IV.CING.HHN. ML:1.6 0.00012675 0.68 AML other m 2023-09-28T08:34:32.69
IV.CING.HHE. ML:1.4 0.00008155000000000002 0.44 AML other m 2023-09-28T08:34:32.51
IV.CESI.HHE. ML:1.6 0.00010825000000000002 0.86 AML other m 2023-09-28T08:34:34.84
IV.CESI.HHN. ML:1.6 0.000127 0.34 AML other m 2023-09-28T08:34:34.87
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