Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 04-12-2023 and time 14:21:17 (UTC) in region 1 km SW Loro Piceno (MC)

A magnitude ML 1.7 earthquake occured in region: 1 km SW Loro Piceno (MC), on

  • 04-12-2023 14:21:17 (UTC)
  • 04-12-2023 15:21:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1570, 13.4070 at 22 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
Loro Piceno MC 1 2401 2401
Ripe San Ginesio MC 4 852 3253
Colmurano MC 4 1263 4516
Urbisaglia MC 5 2628 7144
Montappone FM 6 1682 8826
Massa Fermana FM 6 963 9789
Sant'Angelo in Pontano MC 6 1436 11225
Mogliano MC 7 4696 15921
Monte Vidon Corrado FM 7 731 16652
Falerone FM 8 3337 19989
Petriolo MC 9 1998 21987
San Ginesio MC 9 3498 25485
Servigliano FM 11 2336 27821
Montegiorgio FM 11 6851 34672
Penna San Giovanni MC 11 1108 35780
Gualdo MC 11 815 36595
Tolentino MC 12 20069 56664
Francavilla d'Ete FM 12 964 57628
Camporotondo di Fiastrone MC 12 563 58191
Belmonte Piceno FM 13 646 58837
Cessapalombo MC 13 512 59349
Corridonia MC 13 15430 74779
Pollenza MC 13 6618 81397
Belforte del Chienti MC 14 1886 83283
Monte San Martino MC 14 765 84048
Monte San Pietrangeli FM 15 2458 86506
Caldarola MC 15 1823 88329
Magliano di Tenna FM 15 1452 89781
Rapagnano FM 15 2145 91926
Monsampietro Morico FM 16 659 92585
Monteleone di Fermo FM 16 395 92980
Sarnano MC 16 3264 96244
Macerata MC 16 42473 138717
Grottazzolina FM 17 3398 142115
Torre San Patrizio FM 17 2048 144163
Santa Vittoria in Matenano FM 17 1330 145493
Smerillo FM 17 365 145858
Monte San Giusto MC 18 8191 154049
Serrapetrona MC 18 966 155015
Montottone FM 18 979 155994
Montelparo FM 19 778 156772
Treia MC 19 9403 166175
Montefalcone Appennino FM 19 424 166599
Monte Giberto FM 20 801 167400
Amandola FM 20 3629 171029

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Ancona (100861 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
61 Km E of Foligno (57155 inhabitants)
83 Km SE of Fano (60888 inhabitants)
83 Km E of Perugia (166134 inhabitants)
90 Km N of L'Aquila (69753 inhabitants)
91 Km NE of Terni (111501 inhabitants)
93 Km SE of Pesaro (94582 inhabitants)
94 Km NW of Montesilvano (53738 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 1.7 2023-12-04
14:21:17		 43.1573 13.4073 22 2023-12-04
14:34:13		 Sala Sismica INGV-Roma 123807691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 14:21:17 ± 0.13
Latitude 43.1573 ± 0.0063
Longitude 13.4073 ± 0.0086
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123807691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 657
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
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) 105
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 123807691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 14:34:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2023-12-04T14:22:07.80 3.0 undecidable manual Sg 3.89 0
IV.CESX.HHZ. 2023-12-04T14:21:47.32 3.0 undecidable manual S 2.4 0
IV.SSFR.HHZ. 2023-12-04T14:21:38.48 3.0 undecidable manual S 0.56 0
IV.PIEI.HHZ. 2023-12-04T14:21:31.74 3.0 positive manual P -0.55 0
IV.RM33.EHZ. 2023-12-04T14:21:30.39 3.0 negative manual P 0 0
IV.LNSS.HHZ. 2023-12-04T14:21:29.51 3.0 negative manual P -0.07 0
IV.ASSB.HHZ. 2023-12-04T14:21:29.13 3.0 negative manual P 0.18 0
IV.TERO.HHZ. 2023-12-04T14:21:27.48 3.0 negative manual P -0.96 0
IV.ARVD.HHZ. 2023-12-04T14:21:27.73 3.0 negative manual P -0.31 0
IV.MF5.EHZ. 2023-12-04T14:21:26.40 0.3 undecidable manual S 167 19.2696 133 0.02 76
IV.CSP1.EHZ. 2023-12-04T14:21:26.27 0.6 undecidable manual S 246 17.9709 136 0.15 49
IV.MNTT.EHZ. 2023-12-04T14:21:26.42 0.6 undecidable manual S 125 18.5703 135 0.18 49
IV.CESI.HHZ. 2023-12-04T14:21:26.22 0.6 undecidable manual P 248 44.1225 109 0.31 46
IV.AOI.HHE. 2023-12-04T14:21:26.05 0.6 undecidable manual P 20 46.3203 108 -0.18 46
IV.SNTG.HHZ. 2023-12-04T14:21:25.40 0.6 undecidable manual P 286 39.2274 112 0.19 47
IV.NRCA.HHZ. 2023-12-04T14:21:25.73 0.3 undecidable manual P 214 43.1235 110 -0.03 73
IV.GUMA.HHZ. 2023-12-04T14:21:25.41 0.6 undecidable manual S 209 11.9769 148 0.27 49
IV.OFFI.HHZ. 2023-12-04T14:21:24.67 0.3 positive manual P 137 33.4443 116 0.28 70
7F.SIB1.EHZ. 2023-12-04T14:21:24.16 0.6 undecidable manual P 201 31.2465 118 0.08 49
IV.SAP2.EHZ. 2023-12-04T14:21:24.56 0.6 undecidable manual S 186 6.7932 161 0.03 52
IV.MML1.EHZ. 2023-12-04T14:21:24.97 0.6 positive manual P 262 35.6421 114 0.28 47
IV.MC2.EHZ. 2023-12-04T14:21:24.30 0.6 undecidable manual P 213 32.5452 117 0.04 49
IV.MMO1.EHZ. 2023-12-04T14:21:23.51 0.6 undecidable manual P 193 29.3484 120 -0.32 47
IV.FDMO.HHZ. 2023-12-04T14:21:23.90 0.1 positive manual P 243 29.1486 120 0.09 98
7F.SIB2.EHZ. 2023-12-04T14:21:23.68 0.3 undecidable manual P 196 30.747 119 -0.34 70
IV.CING.HHZ. 2023-12-04T14:21:23.77 0.3 negative manual P 325 29.6481 120 -0.1 73
IV.MNTT.EHZ. 2023-12-04T14:21:22.95 0.1 positive manual P 125 18.5703 135 0.45 93
IV.MF5.EHZ. 2023-12-04T14:21:22.28 0.1 positive manual P 167 19.2696 133 -0.3 96
IV.CSP1.EHZ. 2023-12-04T14:21:22.35 1.0 positive manual P 246 17.9709 136 -0.09 25
IV.SAP2.EHZ. 2023-12-04T14:21:21.14 0.1 positive manual P 186 6.7932 161 -0.38 96
IV.GUMA.HHZ. 2023-12-04T14:21:21.72 0.1 positive manual P 209 11.9769 148 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHE. ML:1.8 0.000498 0.22 AML other m 2023-12-04T14:21:24.75
IV.SAP2.EHN. ML:2.5 0.002087216 0.2176 AML other m 2023-12-04T14:21:25.31
IV.GUMA.HHE. ML:1.6 0.000257 0.12 AML other m 2023-12-04T14:21:25.53
IV.GUMA.HHN. ML:1.6 0.0002290117 0.4416 AML other m 2023-12-04T14:21:25.69
IV.MF5.EHE. ML:2.0 0.0004925 0.16 AML other m 2023-12-04T14:21:26.56
IV.MF5.EHN. ML:2.1 0.0006680000000000001 0.26 AML other m 2023-12-04T14:21:26.63
IV.MNTT.EHE. ML:2.2 0.000889 0.36 AML other m 2023-12-04T14:21:27.25
IV.CSP1.EHE. ML:1.5 0.00018482699 0.2368 AML other m 2023-12-04T14:21:27.09
IV.MNTT.EHN. ML:2.0 0.00063083265 0.2176 AML other m 2023-12-04T14:21:28.25
IV.CSP1.EHN. ML:1.8 0.000338 0.32 AML other m 2023-12-04T14:21:27.70
IV.FDMO.HHE. ML:1.5 0.000131 1.78 AML other m 2023-12-04T14:21:31.93
IV.FDMO.HHN. ML:1.5 0.0001265 0.12 AML other m 2023-12-04T14:21:31.06
IV.MML1.EHN. ML:1.5 0.00010010449499999999 0.1344 AML other m 2023-12-04T14:21:32.14
IV.MML1.EHE. ML:1.5 0.00011335 0.26 AML other m 2023-12-04T14:21:32.24
IV.SNTG.HHN. ML:1.6 0.00013640525 0.2624 AML other m 2023-12-04T14:21:32.69
IV.SNTG.HHE. ML:1.5 0.00009645000000000001 0.16 AML other m 2023-12-04T14:21:32.81
IV.OFFI.HHE. ML:2.1 0.000404 0.66 AML other m 2023-12-04T14:21:33.50
IV.CESI.HHE. ML:1.4 0.00006595 0.18 AML other m 2023-12-04T14:21:34.26
IV.CESI.HHN. ML:1.6 0.000114 0.16 AML other m 2023-12-04T14:21:34.49
IV.OFFI.HHN. ML:1.8 0.00021200000000000003 1.56 AML other m 2023-12-04T14:21:34.03
IV.ASSB.HHN. ML:1.7 0.000091 0.18 AML other m 2023-12-04T14:21:39.14
IV.ASSB.HHE. ML:1.4 0.00004342215 0.3584 AML other m 2023-12-04T14:21:40.64
IV.LNSS.HHE. ML:1.7 0.00007780000000000001 0.14 AML other m 2023-12-04T14:21:41.67
IV.LNSS.HHN. ML:1.7 0.00007443438999999999 0.3008 AML other m 2023-12-04T14:21:41.85
IV.RM33.EHN. ML:1.5 0.000043915060000000006 0.16 AML other m 2023-12-04T14:21:41.66
IV.RM33.EHE. ML:1.5 0.00005114526 0.2432 AML other m 2023-12-04T14:21:42.64
IV.PIEI.HHN. ML:1.3 0.000025600000000000002 0.52 AML other m 2023-12-04T14:21:45.45
IV.PIEI.HHE. ML:1.3 0.00002595361 0.32 AML other m 2023-12-04T14:21:47.33
IV.GUMA.HNE. ML:1.6 0.0002359965 0.4096 AML other m 2023-12-04T14:21:25.90
IV.GUMA.HNN. ML:1.5 0.00018300045000000002 0.5312 AML other m 2023-12-04T14:21:25.52
IV.MML1.HNE. ML:1.7 0.0001659233 1.216 AML other m 2023-12-04T14:21:25.18
IV.MML1.HNN. ML:1.7 0.00015510015 0.736 AML other m 2023-12-04T14:21:32.51
IV.SNTG.HNE. ML:1.6 0.0001344571 0.9472 AML other m 2023-12-04T14:21:42.32
IV.SNTG.HNN. ML:1.6 0.00013587834999999999 0.1728 AML other m 2023-12-04T14:21:32.42
IV.CESI.HNE. ML:1.7 0.00014909685 1.056 AML other m 2023-12-04T14:21:36.61
IV.CESI.HNN. ML:1.7 0.00014055534999999998 0.4864 AML other m 2023-12-04T14:21:34.33
IV.TERO.HHE. ML:1.5 0.00006097076 0.3008 AML other m 2023-12-04T14:21:38.52
IV.TERO.HHN. ML:0.4 0.0000051715285 0.9984 AML other m 2023-12-04T14:21:44.16
IV.TERO.HNE. ML:1.8 0.00011574558 1.2608 AML other m 2023-12-04T14:21:50.73
IV.TERO.HNN. ML:1.9 0.00014480350999999998 1.3312 AML other m 2023-12-04T14:21:33.26
IV.LNSS.HNE. ML:2.0 0.000144524 1.5936 AML other m 2023-12-04T14:21:35.25
IV.LNSS.HNN. ML:2.1 0.00020904859999999997 0.8128 AML other m 2023-12-04T14:21:56.62
IV.RM33.HNE. ML:2.2 0.00021878314999999998 2.3296 AML other m 2023-12-04T14:21:48.30
IV.RM33.HNN. ML:2.0 0.0001401995 2.2272 AML other m 2023-12-04T14:21:31.22
IV.PIEI.HNE. ML:2.1 0.00016622949999999998 0.8192 AML other m 2023-12-04T14:21:52.67
IV.PIEI.HNN. ML:2.0 0.0001405463 2.016 AML other m 2023-12-04T14:21:40.74
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