Earthquake with magnitude of ML 0.5 on date 17-08-2023 and time 06:24:16 (Italy) in region 1 km W Caldarola (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km W Caldarola (MC), on

  • 17-08-2023 04:24:16 (UTC)
  • 17-08-2023 06:24:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1440, 13.2150 at 18 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 1 1823 1823
Belforte del Chienti MC 3 1886 3709
Serrapetrona MC 4 966 4675
Camporotondo di Fiastrone MC 4 563 5238
Cessapalombo MC 5 512 5750
San Ginesio MC 9 3498 9248
Tolentino MC 9 20069 29317
San Severino Marche MC 10 12726 42043
Colmurano MC 12 1263 43306
Camerino MC 12 6974 50280
Ripe San Ginesio MC 13 852 51132
Fiastra MC 13 559 51691
Acquacanina MC 13 121 51812
Gualdo MC 13 815 52627
Pievebovigliana MC 14 866 53493
Sarnano MC 14 3264 56757
Urbisaglia MC 15 2628 59385
Castelraimondo MC 15 4587 63972
Muccia MC 15 915 64887
Sant'Angelo in Pontano MC 16 1436 66323
Fiordimonte MC 16 202 66525
Gagliole MC 16 620 67145
Loro Piceno MC 17 2401 69546
Bolognola MC 17 142 69688
Pieve Torina MC 17 1458 71146
Pollenza MC 18 6618 77764
Pioraco MC 19 1134 78898
Penna San Giovanni MC 20 1108 80006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Foligno (57155 inhabitants)
58 Km SW of Ancona (100861 inhabitants)
67 Km E of Perugia (166134 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
79 Km S of Fano (60888 inhabitants)
80 Km NE of Terni (111501 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
89 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
Reviewed
Rev100
ML 0.5 2023-08-17
04:24:16
43.1442 13.2147 18 2023-08-17
04:29:20
Sala Sismica INGV-Roma 120208691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-17 04:24:16 ± 0.2
Latitude 43.1442 ± 0.0090
Longitude 13.2147 ± 0.0086
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120208691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 936
Semi-minor axis of confidence ellipse (meter) 457
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 244
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25811
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 120208691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-17 04:29:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-08-17T04:24:26.99 0.6 undecidable manual S 161 28.6491 110 -0.2 46
IV.MF5.EHZ. 2023-08-17T04:24:26.93 0.6 undecidable manual S 131 26.3514 113 0.31 46
IV.FDMO.HHZ. 2023-08-17T04:24:24.33 0.6 undecidable manual S 221 15.7731 130 0.14 49
IV.GUMA.HHZ. 2023-08-17T04:24:23.88 0.6 undecidable manual S 133 13.2756 136 0.18 48
IV.PF6.EHZ. 2023-08-17T04:24:22.08 0.6 undecidable manual S 247 1.7982 173 -0.25 48
IV.CSP1.EHZ. 2023-08-17T04:24:22.52 0.6 undecidable manual S 188 5.8941 158 -0.09 49
IV.MF5.EHZ. 2023-08-17T04:24:22.52 0.1 undecidable manual P 131 26.3514 113 0.06 96
IV.CING.HHZ. 2023-08-17T04:24:22.48 3.0 undecidable manual P -0.01 0
IV.MMO1.EHZ. 2023-08-17T04:24:22.52 0.1 undecidable manual P 161 28.6491 110 -0.26 91
IV.FDMO.HHZ. 2023-08-17T04:24:21.17 0.1 undecidable manual P 221 15.7731 130 0.12 98
IV.CSP1.EHZ. 2023-08-17T04:24:20.24 0.1 undecidable manual P 188 5.8941 158 0.1 99
IV.GUMA.HHZ. 2023-08-17T04:24:20.77 0.1 undecidable manual P 133 13.2756 136 0 99
IV.PF6.EHZ. 2023-08-17T04:24:19.95 0.1 undecidable manual P 247 1.7982 173 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.0000248 0.14 AML other m 2023-08-17T04:24:24.77
IV.FDMO.HHN. ML:0.5 0.00002065 0.1 AML other m 2023-08-17T04:24:24.83
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