Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-04-2023 and time 07:06:42 (UTC) in region 3 km NE Sant'Angelo in Pontano (MC)

A magnitude ML 1.9 earthquake occured in region: 3 km NE Sant'Angelo in Pontano (MC), on

  • 09-04-2023 07:06:42 (UTC)
  • 09-04-2023 09:06:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1250, 13.4170 at 28 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Montappone FM 5 1682 3118
Ripe San Ginesio MC 5 852 3970
Loro Piceno MC 5 2401 6371
Falerone FM 5 3337 9708
Monte Vidon Corrado FM 6 731 10439
Massa Fermana FM 6 963 11402
Colmurano MC 7 1263 12665
Penna San Giovanni MC 8 1108 13773
Servigliano FM 8 2336 16109
San Ginesio MC 8 3498 19607
Mogliano MC 9 4696 24303
Urbisaglia MC 9 2628 26931
Gualdo MC 9 815 27746
Montegiorgio FM 10 6851 34597
Monte San Martino MC 11 765 35362
Belmonte Piceno FM 11 646 36008
Petriolo MC 12 1998 38006
Camporotondo di Fiastrone MC 12 563 38569
Monteleone di Fermo FM 13 395 38964
Francavilla d'Ete FM 13 964 39928
Cessapalombo MC 13 512 40440
Monsampietro Morico FM 13 659 41099
Santa Vittoria in Matenano FM 13 1330 42429
Smerillo FM 14 365 42794
Sarnano MC 14 3264 46058
Magliano di Tenna FM 14 1452 47510
Tolentino MC 14 20069 67579
Rapagnano FM 15 2145 69724
Grottazzolina FM 15 3398 73122
Monte San Pietrangeli FM 15 2458 75580
Belforte del Chienti MC 15 1886 77466
Montottone FM 15 979 78445
Montelparo FM 15 778 79223
Caldarola MC 16 1823 81046
Montefalcone Appennino FM 16 424 81470
Corridonia MC 16 15430 96900
Amandola FM 17 3629 100529
Torre San Patrizio FM 17 2048 102577
Pollenza MC 17 6618 109195
Monte Rinaldo FM 17 379 109574
Monte Giberto FM 18 801 110375
Comunanza AP 19 3166 113541
Ortezzano FM 19 774 114315
Force AP 19 1354 115669
Monte San Giusto MC 19 8191 123860
Serrapetrona MC 19 966 124826
Monte Vidon Combatte FM 19 433 125259
Ponzano di Fermo FM 20 1674 126933
Macerata MC 20 42473 169406

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)
84 Km E of Perugia (166134 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
86 Km SE of Fano (60888 inhabitants)
89 Km NE of Terni (111501 inhabitants)
90 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
Bulletin
Rev1000 		ML 1.9 2023-04-09
07:06:42		 43.1252 13.4173 28 2024-03-01
17:18:04		 Bollettino Sismico Italiano INGV 116484311
Reviewed
Rev100 		ML 1.8 2023-04-09
07:06:42		 43.1317 13.4022 27 2023-04-09
07:14:49		 Sala Sismica INGV-Roma 116197401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-09 07:06:42 ± 0.11
Latitude 43.1252 ± 0.0036
Longitude 13.4173 ± 0.0062
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116484311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 443
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.68079
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 36
Type of magnitude ML
Reference to an origin 116484311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-21 00:03:39

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 116197401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-09 07:14:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-04-09T07:07:03.07 0.6 undecidable manual S 304 61.7937 108 1.28 29
IV.ARVD.HHZ. 2023-04-09T07:07:01.15 0.6 undecidable manual S 317 56.3991 110 0.72 39
IV.TERO.HHZ. 2023-04-09T07:07:01.28 0.6 undecidable manual S 165 57.7977 110 0.51 43
IV.AOI.HHE. 2023-04-09T07:06:59.16 0.6 undecidable manual S 17 49.4172 113 0.46 44
IV.CESI.HHZ. 2023-04-09T07:06:57.56 0.6 undecidable manual S 252 43.623 116 0.27 45
IV.NRCA.HHZ. 2023-04-09T07:06:56.93 0.6 undecidable manual S 217 40.626 118 0.35 45
IV.SNTG.HHZ. 2023-04-09T07:06:56.80 0.6 undecidable manual S 291 41.1255 118 0.1 47
IV.MML1.EHZ. 2023-04-09T07:06:55.82 0.3 undecidable manual S 268 36.1416 122 0.29 68
IV.FEMA.HNE. 2023-04-09T07:06:55.76 0.6 undecidable manual S 239 34.8429 123 0.51 43
IV.GIGS.HHZ. 2023-04-09T07:06:55.36 0.3 undecidable manual P 170 75.5688 105 -0.16 66
IV.EL6.EHZ. 2023-04-09T07:06:55.18 0.6 undecidable manual S 312 34.1436 124 0.09 48
7F.SIB1.EHE. 2023-04-09T07:06:54.07 0.3 undecidable manual S 205 28.2495 129 0.25 70
IV.CING.HHZ. 2023-04-09T07:06:54.69 0.3 undecidable manual S 327 33.0447 124 -0.16 71
IV.SSFR.HHZ. 2023-04-09T07:06:54.02 0.6 undecidable manual P 304 61.7937 108 0.54 41
IV.RM33.EHZ. 2023-04-09T07:06:54.73 0.3 undecidable manual P 194 70.2741 106 0 69
IV.MMO1.EHZ. 2023-04-09T07:06:53.40 0.6 undecidable manual S 196 26.1516 132 0.01 50
IV.ASSB.HHZ. 2023-04-09T07:06:53.37 0.3 undecidable manual P 262 62.0934 108 -0.15 68
7F.SIB2.EHE. 2023-04-09T07:06:53.64 0.3 undecidable manual S 200 27.5502 130 -0.04 74
IV.FDMO.HHZ. 2023-04-09T07:06:53.68 0.6 undecidable manual S 250 28.4493 129 -0.19 48
IV.ARVD.HHZ. 2023-04-09T07:06:53.07 0.6 undecidable manual P 317 56.3991 110 0.38 44
IV.MNTT.EHZ. 2023-04-09T07:06:52.23 0.6 undecidable manual S 116 16.0728 147 0.6 45
IV.TERO.HHZ. 2023-04-09T07:06:52.59 0.3 undecidable manual P 165 57.7977 110 -0.29 66
IV.MF5.EHZ. 2023-04-09T07:06:51.88 0.3 undecidable manual S 167 15.6732 147 0.31 72
IV.PF6.EHE. 2023-04-09T07:06:51.54 0.3 undecidable manual S 275 18.0708 143 -0.41 70
IV.AOI.HHE. 2023-04-09T07:06:51.37 0.3 undecidable manual P 17 49.4172 113 -0.32 66
IV.CSP1.EHE. 2023-04-09T07:06:51.66 0.3 undecidable manual S 258 17.5713 144 -0.2 73
IV.SNTG.HHZ. 2023-04-09T07:06:50.53 0.6 undecidable manual P 291 41.1255 118 -0.01 48
IV.CESI.HHZ. 2023-04-09T07:06:50.85 0.3 undecidable manual P 252 43.623 116 -0.03 72
IV.GUMA.HHZ. 2023-04-09T07:06:50.71 0.3 undecidable manual S 224 9.5793 159 -0.12 75
IV.MNTP.HNZ. 2023-04-09T07:06:50.40 0.6 undecidable manual S 72 4.3956 170 -0.06 51
IV.NRCA.HHZ. 2023-04-09T07:06:50.41 0.1 negative manual P 217 40.626 118 -0.06 96
IV.SAP2.EHZ. 2023-04-09T07:06:50.20 0.3 undecidable manual S 205 3.4965 172 -0.22 74
IV.CADA.HNE. 2023-04-09T07:06:49.28 0.6 undecidable manual P 75 28.8489 129 0.33 47
IV.EL6.EHZ. 2023-04-09T07:06:49.42 0.3 undecidable manual P 312 34.1436 124 -0.19 71
IV.MML1.EHZ. 2023-04-09T07:06:49.83 0.3 undecidable manual P 268 36.1416 122 -0.03 73
IV.FEMA.HNE. 2023-04-09T07:06:49.87 0.3 undecidable manual P 239 34.8429 123 0.17 71
IV.CING.HHZ. 2023-04-09T07:06:49.22 0.1 positive manual P 327 33.0447 124 -0.25 93
IV.FDMO.HHZ. 2023-04-09T07:06:48.74 0.1 undecidable manual P 250 28.4493 129 -0.17 96
7F.SIB1.EHE. 2023-04-09T07:06:48.80 0.3 undecidable manual P 205 28.2495 129 -0.07 73
IV.MMO1.EHZ. 2023-04-09T07:06:48.43 0.1 undecidable manual P 196 26.1516 132 -0.2 95
7F.SIB2.EHE. 2023-04-09T07:06:48.58 0.1 undecidable manual P 200 27.5502 130 -0.22 95
IV.MF5.EHZ. 2023-04-09T07:06:47.67 0.1 undecidable manual P 167 15.6732 147 0.1 100
IV.PF6.EHE. 2023-04-09T07:06:47.43 0.3 undecidable manual P 275 18.0708 143 -0.36 70
IV.CSP1.EHE. 2023-04-09T07:06:47.52 0.1 undecidable manual P 258 17.5713 144 -0.22 97
IV.MNTT.EHZ. 2023-04-09T07:06:47.84 0.1 positive manual P 116 16.0728 147 0.23 98
IV.GUMA.HHZ. 2023-04-09T07:06:46.96 0.1 undecidable manual P 224 9.5793 159 -0.19 98
IV.MNTP.HNZ. 2023-04-09T07:06:46.71 1.0 negative manual P 72 4.3956 170 -0.22 24
IV.SAP2.EHZ. 2023-04-09T07:06:46.73 0.1 positive manual P 205 3.4965 172 -0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHN. ML:2.4 0.00141 0.88 AML other m 2023-04-09T07:06:50.06
IV.MNTP.HNN. ML:2.2 0.0009693807000000001 0.1504 AML other m 2023-04-09T07:06:50.68
IV.SAP2.EHE. ML:1.8 0.0003605 0.32 AML other m 2023-04-09T07:06:50.61
IV.GUMA.HHE. ML:2.4 0.0012200000000000002 1.7 AML other m 2023-04-09T07:06:50.03
IV.GUMA.HHN. ML:2.4 0.0015 1.74 AML other m 2023-04-09T07:06:51.94
IV.GUMA.HNN. ML:2.3 0.0011099999999999999 1.68 AML other m 2023-04-09T07:06:51.92
IV.GUMA.HNE. ML:2.3 0.0010065 1.68 AML other m 2023-04-09T07:06:51.94
IV.MF5.EHN. ML:2.2 0.000807 0.26 AML other m 2023-04-09T07:06:52.17
IV.MF5.EHE. ML:2.3 0.0009245 0.26 AML other m 2023-04-09T07:06:52.12
IV.MNTT.EHE. ML:2.2 0.0007655000000000001 0.22 AML other m 2023-04-09T07:06:52.59
IV.MNTT.EHN. ML:2.1 0.000655 0.3 AML other m 2023-04-09T07:06:52.73
IV.MMO1.EHE. ML:1.7 0.000199 0.6 AML other m 2023-04-09T07:06:53.83
IV.MMO1.EHN. ML:2.2 0.000561 0.28 AML other m 2023-04-09T07:06:54.11
IV.FDMO.HHN. ML:1.9 0.000293 1.02 AML other m 2023-04-09T07:06:54.12
IV.FDMO.HHE. ML:1.8 0.00023449999999999998 0.1 AML other m 2023-04-09T07:06:54.12
IV.CING.HHE. ML:1.6 0.0001325 1.62 AML other m 2023-04-09T07:06:54.02
IV.CING.HHN. ML:1.7 0.000149 0.12 AML other m 2023-04-09T07:06:54.88
IV.EL6.EHE. ML:1.8 0.00017934725 0.1792 AML other m 2023-04-09T07:06:55.60
IV.EL6.EHN. ML:1.7 0.00017672435 0.2208 AML other m 2023-04-09T07:06:55.64
IV.MML1.EHN. ML:1.9 0.00025550000000000003 0.16 AML other m 2023-04-09T07:06:56.15
IV.MML1.EHE. ML:1.7 0.00015200000000000004 0.16 AML other m 2023-04-09T07:06:56.26
IV.SNTG.HHN. ML:1.2 0.00004405000000000001 0.34 AML other m 2023-04-09T07:06:57.21
IV.NRCA.HHN. ML:2.5 0.0008295 0.12 AML other m 2023-04-09T07:06:57.11
IV.NRCA.HHE. ML:2.3 0.0005695 0.14 AML other m 2023-04-09T07:06:57.19
IV.NRCA.HNE. ML:2.2 0.0004825 0.16 AML other m 2023-04-09T07:06:57.12
IV.NRCA.HNN. ML:2.5 0.0008165 0.12 AML other m 2023-04-09T07:06:57.12
IV.SNTG.HHE. ML:1.4 0.00007159999999999999 0.14 AML other m 2023-04-09T07:06:57.26
IV.CESI.HHN. ML:1.6 0.00009035 0.16 AML other m 2023-04-09T07:06:58.28
IV.CESI.HHE. ML:1.5 0.0000775 0.7 AML other m 2023-04-09T07:06:58.01
IV.ASSB.HHE. ML:1.2 0.0000296724 0.2208 AML other m 2023-04-09T07:07:03.76
IV.SSFR.HHN. ML:1.4 0.0000513 0.86 AML other m 2023-04-09T07:07:03.23
IV.TERO.HHN. ML:1.3 0.000038043635 0.3616 AML other m 2023-04-09T07:07:03.63
IV.ASSB.HHN. ML:1.3 0.000035682215 0.1184 AML other m 2023-04-09T07:07:04.26
IV.SSFR.HHE. ML:1.5 0.000055849999999999996 0.16 AML other m 2023-04-09T07:07:05.05
IV.RM33.EHN. ML:1.7 0.00007344075 0.32 AML other m 2023-04-09T07:07:08.00
IV.RM33.EHE. ML:1.4 0.000040768584999999993 0.3008 AML other m 2023-04-09T07:07:08.90
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