Earthquake with magnitude of ML 1.0 on date 21-02-2023 and time 19:57:15 (UTC) in region 3 km N Belforte del Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km N Belforte del Chienti (MC), on

  • 21-02-2023 19:57:15 (UTC)
  • 21-02-2023 20:57:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1940, 13.2450 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Belforte del Chienti MC 3 1886 1886
Tolentino MC 4 20069 21955
Serrapetrona MC 5 966 22921
Caldarola MC 6 1823 24744
San Severino Marche MC 7 12726 37470
Camporotondo di Fiastrone MC 7 563 38033
Cessapalombo MC 9 512 38545
Colmurano MC 10 1263 39808
Urbisaglia MC 11 2628 42436
San Ginesio MC 11 3498 45934
Ripe San Ginesio MC 12 852 46786
Pollenza MC 12 6618 53404
Treia MC 14 9403 62807
Loro Piceno MC 14 2401 65208
Castelraimondo MC 15 4587 69795
Gagliole MC 15 620 70415
Camerino MC 16 6974 77389
Gualdo MC 16 815 78204
Sant'Angelo in Pontano MC 16 1436 79640
Sarnano MC 18 3264 82904
Petriolo MC 18 1998 84902
Fiastra MC 19 559 85461
Acquacanina MC 19 121 85582
Mogliano MC 19 4696 90278
Montappone FM 19 1682 91960
Massa Fermana FM 19 963 92923
Pievebovigliana MC 20 866 93789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NE of Foligno (57155 inhabitants)
52 Km SW of Ancona (100861 inhabitants)
70 Km E of Perugia (166134 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
75 Km S of Fano (60888 inhabitants)
84 Km SE of Pesaro (94582 inhabitants)
86 Km NE of Terni (111501 inhabitants)
95 Km N of L'Aquila (69753 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 1.0 2023-02-21
19:57:15
43.1943 13.245 14 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 115915391
Reviewed
Rev100
ML 1.0 2023-02-21
19:57:15
43.1965 13.2412 15 2023-02-21
20:06:55
Sala Sismica INGV-Roma 114671851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 19:57:15 ± 0.05
Latitude 43.1943 ± 0.0018
Longitude 13.2450 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115915391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 275
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43977
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 115915391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-31 13:26:37

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 114671851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 20:06:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AOI.HHE. 2023-02-21T19:57:31.19 0.6 undecidable manual S 36 48.8178 94 0.15 46
IV.SSFR.HHZ. 2023-02-21T19:57:30.45 0.3 undecidable manual S 306 46.0206 94 0.18 69
IV.ARVD.HHE. 2023-02-21T19:57:29.40 0.3 undecidable manual S 324 41.625 95 0.28 68
IV.NRCA.HHZ. 2023-02-21T19:57:29.02 0.6 undecidable manual S 195 41.4252 95 -0.03 48
IV.CESI.HHZ. 2023-02-21T19:57:27.64 0.3 undecidable manual S 233 34.6431 97 0.38 67
IV.TERO.HHZ. 2023-02-21T19:57:27.84 3.0 undecidable manual P -0.17 0
IV.MF5.EHZ. 2023-02-21T19:57:26.03 0.3 undecidable manual S 143 28.749 99 0.33 69
IV.MNTT.EHE. 2023-02-21T19:57:26.91 0.3 undecidable manual S 117 31.9458 98 0.36 68
IV.MMO1.EHZ. 2023-02-21T19:57:26.88 0.3 undecidable manual S 169 33.3444 97 -0.04 72
IV.MC2.EHZ. 2023-02-21T19:57:26.78 0.6 undecidable manual S 188 31.746 98 0.3 46
IV.AOI.HHE. 2023-02-21T19:57:24.22 0.1 undecidable manual P 36 48.8178 94 -0.26 90
Y1.T1742.EHZ. 2023-02-21T19:57:24.49 0.6 undecidable manual P 356 46.9197 94 0.31 44
IV.SNTG.HHZ. 2023-02-21T19:57:24.90 0.3 undecidable manual S 285 25.5522 101 0.05 73
IV.SSFR.HHZ. 2023-02-21T19:57:24.05 0.3 undecidable manual P 306 46.0206 94 0.01 71
IV.MML1.EHZ. 2023-02-21T19:57:24.86 0.3 undecidable manual S 248 23.8539 103 0.44 68
IV.CING.HHZ. 2023-02-21T19:57:23.30 0.6 undecidable manual S 349 20.4684 107 -0.25 47
IV.FDMO.HHZ. 2023-02-21T19:57:23.71 0.3 undecidable manual S 216 21.6672 105 -0.14 72
IV.EL6.EHZ. 2023-02-21T19:57:23.20 0.3 undecidable manual S 322 18.9699 109 0.05 74
IV.ARVD.HHE. 2023-02-21T19:57:23.30 0.3 undecidable manual P 324 41.625 95 -0.07 71
IV.NRCA.HHZ. 2023-02-21T19:57:23.04 0.3 undecidable manual P 195 41.4252 95 -0.29 68
IV.GUMA.HHZ. 2023-02-21T19:57:22.60 0.3 undecidable manual S 153 16.2726 115 0.1 74
Y1.T1714.EHE. 2023-02-21T19:57:22.45 0.1 undecidable manual P 21 33.6441 97 0.31 91
IV.CESI.HHZ. 2023-02-21T19:57:22.26 0.1 undecidable manual P 233 34.6431 97 -0.04 96
IV.MNTT.EHE. 2023-02-21T19:57:22.08 0.1 undecidable manual P 117 31.9458 98 0.19 93
IV.SAP2.EHE. 2023-02-21T19:57:22.59 0.3 undecidable manual S 131 16.5723 114 0.04 75
IV.MMO1.EHZ. 2023-02-21T19:57:21.72 0.3 undecidable manual P 169 33.3444 97 -0.38 68
IV.MC2.EHZ. 2023-02-21T19:57:21.73 0.3 undecidable manual P 188 31.746 98 -0.12 72
IV.CSP1.EHE. 2023-02-21T19:57:21.56 0.6 undecidable manual S 196 11.7771 127 0.09 50
IV.MF5.EHZ. 2023-02-21T19:57:21.41 0.1 undecidable manual P 143 28.749 99 0.01 98
IV.FDMO.HHZ. 2023-02-21T19:57:20.17 0.1 undecidable manual P 216 21.6672 105 -0.15 96
IV.MDAR.HNN. 2023-02-21T19:57:20.99 0.6 undecidable manual S 269 8.2806 141 0.2 49
IV.MML1.EHZ. 2023-02-21T19:57:20.65 0.3 positive manual P 248 23.8539 103 -0.01 74
IV.PF6.EHN. 2023-02-21T19:57:20.58 0.6 undecidable manual S 213 7.4814 144 -0.08 50
IV.SNTG.HHZ. 2023-02-21T19:57:20.80 0.1 undecidable manual P 285 25.5522 101 -0.11 97
IV.EL6.EHZ. 2023-02-21T19:57:19.76 0.1 undecidable manual P 322 18.9699 109 -0.17 97
IV.SAP2.EHE. 2023-02-21T19:57:19.19 0.6 undecidable manual P 131 16.5723 114 -0.39 46
IV.GUMA.HHZ. 2023-02-21T19:57:19.53 0.1 undecidable manual P 153 16.2726 115 -0.02 100
IV.CING.HHZ. 2023-02-21T19:57:19.83 0.1 undecidable manual P 349 20.4684 107 -0.33 93
IV.MDAR.HNN. 2023-02-21T19:57:18.50 0.1 undecidable manual P 269 8.2806 141 -0.06 100
IV.PF6.EHN. 2023-02-21T19:57:18.31 0.1 undecidable manual P 213 7.4814 144 -0.17 98
IV.CSP1.EHE. 2023-02-21T19:57:18.83 0.1 undecidable manual P 196 11.7771 127 -0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:1.1 0.00009375 1.82 AML other m 2023-02-21T19:57:23.01
IV.CING.HHN. ML:1.0 0.0000592 0.1 AML other m 2023-02-21T19:57:23.52
IV.CING.HHE. ML:1.0 0.00006145 0.44 AML other m 2023-02-21T19:57:23.56
IV.FDMO.HHE. ML:1.2 0.0001025 1.84 AML other m 2023-02-21T19:57:23.07
IV.FDMO.HHN. ML:0.9 0.000050900000000000004 0.16 AML other m 2023-02-21T19:57:24.05
IV.SNTG.HHN. ML:0.9 0.0000387 0.32 AML other m 2023-02-21T19:57:25.36
IV.GUMA.HHE. ML:1.2 0.00013700000000000002 0.32 AML other m 2023-02-21T19:57:25.65
IV.SNTG.HHE. ML:0.8 0.00003325 0.62 AML other m 2023-02-21T19:57:25.37
IV.MML1.EHE. ML:0.5 0.000021499999999999997 1.34 AML other m 2023-02-21T19:57:26.04
IV.MML1.EHN. ML:0.6 0.000026299999999999996 0.16 AML other m 2023-02-21T19:57:26.12
IV.MF5.EHN. ML:1.1 0.00005335 1.38 AML other m 2023-02-21T19:57:26.04
IV.MF5.EHE. ML:1.0 0.0000478 1.56 AML other m 2023-02-21T19:57:26.07
IV.MMO1.EHN. ML:1.1 0.000052900000000000005 0.98 AML other m 2023-02-21T19:57:27.55
IV.MMO1.EHE. ML:0.9 0.000032149999999999995 0.92 AML other m 2023-02-21T19:57:27.24
IV.CESI.HHN. ML:1.0 0.000033849999999999996 1.34 AML other m 2023-02-21T19:57:28.23
IV.CESI.HHE. ML:0.9 0.000030350000000000002 0.8 AML other m 2023-02-21T19:57:28.27
IV.NRCA.HHE. ML:1.2 0.0000451 0.46 AML other m 2023-02-21T19:57:30.40
IV.NRCA.HHN. ML:1.1 0.0000375 0.16 AML other m 2023-02-21T19:57:30.68
IV.SSFR.HHN. ML:1.2 0.00004124999999999999 0.14 AML other m 2023-02-21T19:57:31.52
IV.SSFR.HHE. ML:1.2 0.000041599999999999995 0.2 AML other m 2023-02-21T19:57:31.47
IV.TERO.HHE. ML:0.8 0.00000945 1.04 AML other m 2023-02-21T19:57:38.54
IV.TERO.HHN. ML:1.0 0.000013305 0.82 AML other m 2023-02-21T19:57:50.10
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