Earthquake with magnitude of ML 1.2 on date 22-08-2023 and time 16:29:33 (UTC) in region 6 km W Caldarola (MC)

A magnitude ML 1.2 earthquake occured in region: 6 km W Caldarola (MC), on

  • 22-08-2023 16:29:33 (UTC)
  • 22-08-2023 18:29:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1280, 13.1560 at 14 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
Caldarola MC 6 1823 1823
Serrapetrona MC 6 966 2789
Camerino MC 7 6974 9763
Belforte del Chienti MC 8 1886 11649
Cessapalombo MC 9 512 12161
Camporotondo di Fiastrone MC 9 563 12724
Pievebovigliana MC 9 866 13590
Fiastra MC 10 559 14149
Muccia MC 10 915 15064
Acquacanina MC 11 121 15185
Fiordimonte MC 11 202 15387
San Severino Marche MC 11 12726 28113
Castelraimondo MC 12 4587 32700
Pieve Torina MC 13 1458 34158
San Ginesio MC 13 3498 37656
Tolentino MC 14 20069 57725
Gagliole MC 14 620 58345
Pioraco MC 15 1134 59479
Sarnano MC 16 3264 62743
Bolognola MC 16 142 62885
Gualdo MC 16 815 63700
Colmurano MC 17 1263 64963
Sefro MC 17 422 65385
Ripe San Ginesio MC 17 852 66237
Serravalle di Chienti MC 18 1070 67307
Matelica MC 19 9981 77288
Monte Cavallo MC 19 145 77433
Fiuminata MC 19 1402 78835
Urbisaglia MC 20 2628 81463
Sant'Angelo in Pontano MC 20 1436 82899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
62 Km SW of Ancona (100861 inhabitants)
62 Km E of Perugia (166134 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
75 Km NE of Terni (111501 inhabitants)
80 Km S of Fano (60888 inhabitants)
89 Km N of L'Aquila (69753 inhabitants)
89 Km S 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
ML 1.2 2023-08-22
16:29:33
43.1282 13.1563 14 2023-08-22
16:38:21
Sala Sismica INGV-Roma 120388291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-22 16:29:33 ± 0.07
Latitude 43.1282 ± 0.0036
Longitude 13.1563 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120388291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120388291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-22 16:38:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-08-22T16:29:54.96 0.6 undecidable manual S 312 67.4769 94 0.81 36
IV.PIEI.HHZ. 2023-08-22T16:29:45.75 1.0 undecidable manual P 312 67.4769 94 0.26 21
IV.TERO.HHZ. 2023-08-22T16:29:45.39 1.0 undecidable manual P -0.28 0.47
IV.MF5.EHZ. 2023-08-22T16:29:44.95 0.6 undecidable manual S 122 29.1486 101 0.99 36
IV.MMO1.EHZ. 2023-08-22T16:29:44.29 3.0 undecidable manual S 0
IV.NRCA.HHZ. 2023-08-22T16:29:44.87 0.6 undecidable manual S 186 32.8449 99 -0.08 48
7F.SIB1.EHN. 2023-08-22T16:29:43.66 0.3 undecidable manual S 160 27.4503 103 0.12 71
IV.CESI.HHE. 2023-08-22T16:29:43.02 0.3 undecidable manual S 236 24.5532 105 0.24 69
7F.SIB2.EHZ. 2023-08-22T16:29:43.65 0.3 undecidable manual S 155 28.8489 102 -0.26 69
IV.EL6.EHE. 2023-08-22T16:29:42.31 0.6 undecidable manual S 349 22.755 107 -0.01 49
IV.SNTG.HHZ. 2023-08-22T16:29:42.01 0.6 undecidable manual S 309 22.4553 108 -0.22 47
IV.MC2.EHE. 2023-08-22T16:29:42.81 0.3 undecidable manual S 174 24.1536 106 0.12 71
IV.ASSB.HHZ. 2023-08-22T16:29:41.46 0.6 negative manual P 0.05 0.95
IV.MML1.EHZ. 2023-08-22T16:29:40.51 0.3 undecidable manual S 264 15.0738 122 0.08 73
7F.SIB1.EHN. 2023-08-22T16:29:39.28 0.1 undecidable manual P 160 27.4503 103 -0.08 96
IV.MF5.EHZ. 2023-08-22T16:29:39.89 0.3 undecidable manual P 122 29.1486 101 0.29 69
IV.MMO1.EHZ. 2023-08-22T16:29:39.49 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2023-08-22T16:29:39.64 0.3 undecidable manual S 209 11.5773 131 -0.06 75
IV.NRCA.HHZ. 2023-08-22T16:29:39.91 0.3 undecidable manual P 186 32.8449 99 -0.26 69
7F.SIB2.EHZ. 2023-08-22T16:29:39.19 0.3 undecidable manual P 155 28.8489 102 -0.38 67
IV.MDAR.HNZ. 2023-08-22T16:29:38.88 0.3 undecidable manual S 351 7.2927 147 -0.06 74
IV.SNTG.HHZ. 2023-08-22T16:29:38.31 0.6 undecidable manual P 309 22.4553 108 -0.3 46
IV.MC2.EHE. 2023-08-22T16:29:38.76 0.3 undecidable manual P 174 24.1536 106 -0.1 72
IV.CSP1.EHN. 2023-08-22T16:29:38.80 0.1 undecidable manual S 136 5.5944 154 0.08 100
IV.CESI.HHE. 2023-08-22T16:29:38.88 0.1 undecidable manual P 236 24.5532 105 -0.04 98
IV.PF6.EHZ. 2023-08-22T16:29:38.29 0.3 undecidable manual S 71 3.2967 164 -0.21 72
IV.EL6.EHE. 2023-08-22T16:29:38.54 0.3 undecidable manual P 349 22.755 107 -0.12 72
IV.FDMO.HHZ. 2023-08-22T16:29:37.09 0.1 positive manual P 209 11.5773 131 -0.05 99
IV.MML1.EHZ. 2023-08-22T16:29:37.62 0.1 positive manual P 264 15.0738 122 0.05 98
IV.GUMA.HHZ. 2023-08-22T16:29:37.99 3.0 undecidable manual Pn 0.06 0
IV.PF6.EHZ. 2023-08-22T16:29:36.34 0.1 undecidable manual P 71 3.2967 164 -0.11 99
IV.MDAR.HNZ. 2023-08-22T16:29:36.69 0.3 undecidable manual P 351 7.2927 147 -0.01 75
IV.CSP1.EHN. 2023-08-22T16:29:36.69 0.1 undecidable manual P 136 5.5944 154 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.0001085 0.22 AML other m 2023-08-22T16:29:39.91
IV.FDMO.HHN. ML:0.9 0.00008035 1.1 AML other m 2023-08-22T16:29:40.58
IV.MML1.EHN. ML:1.6 0.0002895 0.2 AML other m 2023-08-22T16:29:40.87
IV.MML1.EHE. ML:1.7 0.000386 1.76 AML other m 2023-08-22T16:29:40.89
IV.NRCA.HHE. ML:1.3 0.00009190000000000001 0.32 AML other m 2023-08-22T16:29:45.16
IV.NRCA.HHN. ML:1.3 0.00008309999999999999 0.4 AML other m 2023-08-22T16:29:45.05
IV.TERO.HHE. ML:1.1 0.000017749999999999998 1.04 AML other m 2023-08-22T16:29:55.64
IV.TERO.HHN. ML:1.1 0.0000213 1.12 AML other m 2023-08-22T16:29:55.66
IV.PIEI.HHN. ML:0.8 0.000011835 1.04 AML other m 2023-08-22T16:29:56.25
IV.PIEI.HHE. ML:0.9 0.000012535 0.56 AML other m 2023-08-22T16:29:58.55
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