Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 08-02-2023 and time 11:24:44 (Italy) in region 2 km S San Ginesio (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km S San Ginesio (MC), on

  • 08-02-2023 10:24:44 (UTC)
  • 08-02-2023 11:24:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0900, 13.3250 at 26 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
San Ginesio MC 2 3498 3498
Gualdo MC 3 815 4313
Cessapalombo MC 6 512 4825
Sant'Angelo in Pontano MC 6 1436 6261
Sarnano MC 6 3264 9525
Camporotondo di Fiastrone MC 7 563 10088
Ripe San Ginesio MC 7 852 10940
Colmurano MC 9 1263 12203
Penna San Giovanni MC 9 1108 13311
Caldarola MC 10 1823 15134
Belforte del Chienti MC 11 1886 17020
Loro Piceno MC 11 2401 19421
Monte San Martino MC 11 765 20186
Amandola FM 12 3629 23815
Falerone FM 12 3337 27152
Urbisaglia MC 13 2628 29780
Montappone FM 13 1682 31462
Bolognola MC 13 142 31604
Monte Vidon Corrado FM 14 731 32335
Servigliano FM 14 2336 34671
Tolentino MC 14 20069 54740
Smerillo FM 14 365 55105
Acquacanina MC 14 121 55226
Massa Fermana FM 14 963 56189
Serrapetrona MC 15 966 57155
Fiastra MC 15 559 57714
Montefalcone Appennino FM 16 424 58138
Santa Vittoria in Matenano FM 16 1330 59468
Comunanza AP 16 3166 62634
Montefortino FM 16 1178 63812
Mogliano MC 17 4696 68508
Monteleone di Fermo FM 17 395 68903
Belmonte Piceno FM 18 646 69549
Montegiorgio FM 18 6851 76400
Petriolo MC 19 1998 78398
Montelparo FM 19 778 79176
Monsampietro Morico FM 19 659 79835
San Severino Marche MC 20 12726 92561
Force AP 20 1354 93915
Pievebovigliana MC 20 866 94781
Fiordimonte MC 20 202 94983
Pollenza MC 20 6618 101601

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
61 Km S of Ancona (100861 inhabitants)
76 Km E of Perugia (166134 inhabitants)
81 Km NE of Terni (111501 inhabitants)
82 Km N of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
97 Km SE of Pesaro (94582 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 		Md 1.1
ML 1.1 		2023-02-08
10:24:44		 43.0903 13.3247 26 2023-02-08
10:43:23		 Sala Sismica INGV-Roma 114253211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-08 10:24:44 ± 0.17
Latitude 43.0903 ± 0.0054
Longitude 13.3247 ± 0.0099
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114253211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 225
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 5.10005
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 114253211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-08 10:43:23

Md:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 5
Type of magnitude Md
Reference to an origin 114253211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-08 10:43:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2023-02-08T10:26:27.44 3.0 undecidable manual Sg 16.74 0
IV.MSRU.HHZ. 2023-02-08T10:26:02.42 3.0 undecidable manual P 566.1111 1.92 0
IV.MCRV.HHZ. 2023-02-08T10:26:02.59 3.0 undecidable manual S 297.7797 4.47 0
IV.SPS2.HHZ. 2023-02-08T10:26:00.97 3.0 positive manual P 490.9419 9.82 0
IV.CET2.HHZ. 2023-02-08T10:25:55.67 3.0 undecidable manual P 451.8033 9.39 0
IV.SALB.HHZ. 2023-02-08T10:25:51.34 3.0 negative manual P 436.0302 7.02 0
MN.TRI.HHZ. 2023-02-08T10:25:49.66 3.0 undecidable manual Sn -6.03 0
IV.CSNT.HHZ. 2023-02-08T10:25:36.84 3.0 undecidable manual Sn 1.58 0
IV.MCRV.HHZ. 2023-02-08T10:25:32.64 3.0 undecidable manual P 297.7797 5.52 0
GU.GRAM.HHZ. 2023-02-08T10:25:28.21 3.0 undecidable manual P 303.6627 0.36 0
IV.ATVO.HHZ. 2023-02-08T10:25:12.81 3.0 undecidable manual S -0.32 0
IV.CRTC.HHZ. 2023-02-08T10:24:57.11 3.0 undecidable manual P 83.25 -2.14 0
7F.SIB1.EHE. 2023-02-08T10:24:55.17 0.1 undecidable manual S 192 22.1556 135 0.22 95
IV.MC2.EHZ. 2023-02-08T10:24:55.37 0.3 undecidable manual S 209 22.6551 134 0.32 69
7F.SIB3.EHE. 2023-02-08T10:24:55.30 0.3 undecidable manual S 191 24.2535 132 -0.06 73
IV.MMO1.EHZ. 2023-02-08T10:24:54.64 0.3 undecidable manual S 180 21.1677 136 -0.13 72
IV.FDMO.HHZ. 2023-02-08T10:24:54.63 0.3 undecidable manual S 253 20.1687 138 0.05 73
7F.SIB2.EHE. 2023-02-08T10:24:54.80 0.3 undecidable manual S 184 22.1556 135 -0.15 72
IV.MF5.EHZ. 2023-02-08T10:24:53.94 0.1 undecidable manual S 136 15.7731 145 0.09 98
IV.CSP1.EHZ. 2023-02-08T10:24:52.78 0.3 undecidable manual S 271 9.6792 157 -0.27 73
IV.MF5.EHZ. 2023-02-08T10:24:50.04 0.1 undecidable manual P 136 15.7731 145 0.03 100
7F.SIB3.EHE. 2023-02-08T10:24:50.82 0.1 undecidable manual P 191 24.2535 132 -0.07 97
IV.MMO1.EHZ. 2023-02-08T10:24:50.43 0.6 positive manual P 180 21.1677 136 -0.11 48
IV.FDMO.HHZ. 2023-02-08T10:24:50.51 1.0 undecidable manual P 253 20.1687 138 0.08 24
7F.SIB1.EHE. 2023-02-08T10:24:50.74 0.1 undecidable manual P 192 22.1556 135 0.09 98
IV.MC2.EHZ. 2023-02-08T10:24:50.94 0.6 undecidable manual P 209 22.6551 134 0.23 47
7F.SIB2.EHE. 2023-02-08T10:24:50.49 0.1 undecidable manual P 184 22.1556 135 -0.16 95
IV.CSP1.EHZ. 2023-02-08T10:24:49.47 0.1 positive manual P 271 9.6792 157 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.2 0.00008567543 0.2176 AML other m 2023-02-08T10:24:53.24
IV.CSP1.EHN. ML:1.4 0.00013085245 0.0832 AML other m 2023-02-08T10:24:52.85
IV.MF5.EHN. ML:0.8 0.000032481805000000005 0.32 AML other m 2023-02-08T10:24:53.93
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