Earthquake with magnitude of ML 1.3 on date 20-07-2023 and time 11:00:07 (Italy) in region 3 km E Ripe San Ginesio (MC)

A magnitude ML 1.3 earthquake occured in region: 3 km E Ripe San Ginesio (MC), on

  • 20-07-2023 09:00:07 (UTC)
  • 20-07-2023 11:00:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1320, 13.4000 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
Ripe San Ginesio MC 3 852 852
Sant'Angelo in Pontano MC 4 1436 2288
Loro Piceno MC 4 2401 4689
Colmurano MC 5 1263 5952
Montappone FM 6 1682 7634
Massa Fermana FM 7 963 8597
Falerone FM 7 3337 11934
Monte Vidon Corrado FM 7 731 12665
San Ginesio MC 7 3498 16163
Urbisaglia MC 8 2628 18791
Penna San Giovanni MC 9 1108 19899
Gualdo MC 9 815 20714
Mogliano MC 9 4696 25410
Servigliano FM 9 2336 27746
Camporotondo di Fiastrone MC 11 563 28309
Montegiorgio FM 11 6851 35160
Petriolo MC 11 1998 37158
Monte San Martino MC 12 765 37923
Cessapalombo MC 12 512 38435
Belmonte Piceno FM 12 646 39081
Tolentino MC 13 20069 59150
Francavilla d'Ete FM 13 964 60114
Sarnano MC 13 3264 63378
Belforte del Chienti MC 14 1886 65264
Monteleone di Fermo FM 14 395 65659
Caldarola MC 14 1823 67482
Monsampietro Morico FM 15 659 68141
Smerillo FM 15 365 68506
Santa Vittoria in Matenano FM 15 1330 69836
Magliano di Tenna FM 15 1452 71288
Corridonia MC 16 15430 86718
Pollenza MC 16 6618 93336
Rapagnano FM 16 2145 95481
Monte San Pietrangeli FM 16 2458 97939
Grottazzolina FM 17 3398 101337
Montelparo FM 17 778 102115
Montefalcone Appennino FM 17 424 102539
Montottone FM 17 979 103518
Amandola FM 17 3629 107147
Serrapetrona MC 18 966 108113
Torre San Patrizio FM 18 2048 110161
Monte Rinaldo FM 19 379 110540
Macerata MC 19 42473 153013
Monte Giberto FM 19 801 153814
Comunanza AP 19 3166 156980
Monte San Giusto MC 20 8191 165171

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km S of Ancona (100861 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
60 Km E of Foligno (57155 inhabitants)
82 Km E of Perugia (166134 inhabitants)
85 Km SE of Fano (60888 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
88 Km NE of Terni (111501 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
95 Km SE of Pesaro (94582 inhabitants)
100 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 2023-07-20
09:00:07
43.1323 13.4005 25 2023-07-20
09:05:54
Sala Sismica INGV-Roma 119418081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-20 09:00:07 ± 0.07
Latitude 43.1323 ± 0.0027
Longitude 13.4005 ± 0.0037
Depth (km) 25 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119418081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 294
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 251
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.36423
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 119418081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-20 09:05:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-07-20T09:00:21.83 0.6 undecidable manual S 215 40.4262 115 -0.08 46
IV.MC2.EHN. 2023-07-20T09:00:19.54 0.3 undecidable manual S 215 29.9478 123 0.09 71
IV.FDMO.HHZ. 2023-07-20T09:00:18.99 0.6 undecidable manual S 247 27.5502 126 0.07 48
IV.CSP1.EHZ. 2023-07-20T09:00:16.82 0.6 undecidable manual S 254 16.4724 142 0.03 49
IV.MF5.EHZ. 2023-07-20T09:00:16.80 0.6 undecidable manual S 163 16.7721 142 -0.03 49
IV.PF6.EHE. 2023-07-20T09:00:16.72 0.6 undecidable manual S 272 16.6722 142 -0.1 49
IV.NRCA.HHZ. 2023-07-20T09:00:15.88 0.1 positive manual P 215 40.4262 115 -0.08 93
IV.GUMA.HHZ. 2023-07-20T09:00:15.74 0.6 undecidable manual S 214 9.3795 157 -0.08 50
IV.MC2.EHN. 2023-07-20T09:00:14.56 0.1 undecidable manual P 215 29.9478 123 0.03 96
IV.FDMO.HHZ. 2023-07-20T09:00:14.26 0.6 positive manual P 247 27.5502 126 0.03 48
IV.MF5.EHZ. 2023-07-20T09:00:13.08 0.1 negative manual P 163 16.7721 142 0.05 98
IV.PF6.EHE. 2023-07-20T09:00:13.09 0.1 undecidable manual P 272 16.6722 142 0.07 97
IV.GUMA.HHZ. 2023-07-20T09:00:12.43 0.1 undecidable manual P 214 9.3795 157 -0.01 100
IV.CSP1.EHZ. 2023-07-20T09:00:12.98 0.1 undecidable manual P 254 16.4724 142 -0.02 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HNN. ML:1.7 0.000315 0.3 AML other m 2023-07-20T09:00:15.96
IV.GUMA.HNE. ML:1.7 0.000305 0.3 AML other m 2023-07-20T09:00:15.96
IV.FDMO.HHN. ML:1.0 0.00003265 0.16 AML other m 2023-07-20T09:00:17.76
IV.FDMO.HHE. ML:1.1 0.00004845 0.2 AML other m 2023-07-20T09:00:19.15
IV.NRCA.HHE. ML:1.3 0.00006235 1.84 AML other m 2023-07-20T09:00:21.02
IV.NRCA.HHN. ML:1.2 0.000047550000000000004 1.58 AML other m 2023-07-20T09:00:22.87
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