Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-01-2023 and time 15:45:42 (UTC) in region 6 km W Caldarola (MC)

A magnitude ML 1.5 earthquake occured in region: 6 km W Caldarola (MC), on

  • 25-01-2023 15:45:42 (UTC)
  • 25-01-2023 16:45:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1240, 13.1540 at 13 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.

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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
Caldarola MC 6 1823 1823
Serrapetrona MC 7 966 2789
Camerino MC 7 6974 9763
Belforte del Chienti MC 8 1886 11649
Cessapalombo MC 9 512 12161
Pievebovigliana MC 9 866 13027
Camporotondo di Fiastrone MC 9 563 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 12 12726 28113
Pieve Torina MC 12 1458 29571
Castelraimondo MC 12 4587 34158
San Ginesio MC 13 3498 37656
Tolentino MC 14 20069 57725
Gagliole MC 15 620 58345
Pioraco MC 15 1134 59479
Sarnano MC 16 3264 62743
Bolognola MC 16 142 62885
Gualdo MC 16 815 63700
Sefro MC 17 422 64122
Colmurano MC 17 1263 65385
Serravalle di Chienti MC 17 1070 66455
Ripe San Ginesio MC 18 852 67307
Matelica MC 19 9981 77288
Monte Cavallo MC 19 145 77433
Fiuminata MC 19 1402 78835
Sant'Angelo in Pontano MC 20 1436 80271
Urbisaglia MC 20 2628 82899
Ussita MC 20 444 83343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
62 Km E of Perugia (166134 inhabitants)
62 Km SW of Ancona (100861 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
75 Km NE of Terni (111501 inhabitants)
81 Km S of Fano (60888 inhabitants)
88 Km N of L'Aquila (69753 inhabitants)
90 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
Bulletin
Rev1000 		ML 1.5 2023-01-25
15:45:42		 43.1245 13.1538 13 2024-03-01
17:18:01		 Bollettino Sismico Italiano INGV 115907941
Reviewed
Rev100 		ML 1.4 2023-01-25
15:45:42		 43.1243 13.1687 13 2023-01-25
16:02:11		 Sala Sismica INGV-Roma 113784011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 15:45:42 ± 0.09
Latitude 43.1245 ± 0.0045
Longitude 13.1538 ± 0.0074
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115907941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 419
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 113784011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 16:02:11

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115907941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-31 09:09:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-01-25T15:45:57.45 0.3 undecidable manual S 319 45.8208 94 0.61 62
IV.MF5.EHN. 2023-01-25T15:45:53.15 0.6 undecidable manual S 121 29.0487 98 0.76 39
IV.NRCA.HHZ. 2023-01-25T15:45:53.34 0.6 undecidable manual S 186 32.4453 96 0.05 48
IV.MMO1.EHZ. 2023-01-25T15:45:52.28 0.6 undecidable manual S 151 28.6491 98 0 49
7F.SIB3.EHN. 2023-01-25T15:45:52.31 0.6 undecidable manual S 161 29.2485 98 -0.13 48
7F.SIB1.EHE. 2023-01-25T15:45:52.16 0.6 undecidable manual S 160 27.1506 99 0.27 46
7F.SIB2.EHE. 2023-01-25T15:45:51.85 0.6 undecidable manual S 155 28.6491 98 -0.42 45
IV.MC2.EHZ. 2023-01-25T15:45:51.27 0.6 undecidable manual S 173 23.754 101 0.26 47
IV.CESI.HHZ. 2023-01-25T15:45:51.59 0.6 undecidable manual S 237 24.1536 101 0.49 45
IV.CING.HHZ. 2023-01-25T15:45:51.84 0.6 undecidable manual S 7 28.0497 98 -0.29 46
IV.SSFR.HHZ. 2023-01-25T15:45:50.59 0.3 undecidable manual P 319 45.8208 94 -0.04 70
IV.GUMA.HHZ. 2023-01-25T15:45:49.49 0.3 undecidable manual S 115 16.1727 113 0.43 68
IV.MF5.EHN. 2023-01-25T15:45:48.24 0.1 undecidable manual P 121 29.0487 98 0.18 94
IV.NRCA.HHZ. 2023-01-25T15:45:48.45 0.3 undecidable manual P 186 32.4453 96 -0.13 71
IV.FDMO.HHZ. 2023-01-25T15:45:47.98 0.3 undecidable manual S 209 11.1777 128 0.09 74
IV.CING.HHZ. 2023-01-25T15:45:47.54 0.6 positive manual P 7 28.0497 98 -0.37 45
7F.SIB1.EHE. 2023-01-25T15:45:47.64 0.1 undecidable manual P 160 27.1506 99 -0.13 95
IV.MMO1.EHZ. 2023-01-25T15:45:47.78 0.6 negative manual P 151 28.6491 98 -0.22 47
7F.SIB2.EHE. 2023-01-25T15:45:47.64 0.1 undecidable manual P 155 28.6491 98 -0.35 91
IV.MC2.EHZ. 2023-01-25T15:45:47.09 0.1 undecidable manual P 173 23.754 101 -0.17 95
IV.CESI.HHZ. 2023-01-25T15:45:47.45 1.0 negative manual P 237 24.1536 101 0.14 24
7F.SIB3.EHN. 2023-01-25T15:45:47.82 0.1 undecidable manual P 161 29.2485 98 -0.26 92
IV.GUMA.HHZ. 2023-01-25T15:45:46.22 0.1 positive manual P 115 16.1727 113 0.08 98
IV.CSP1.EHZ. 2023-01-25T15:45:46.97 0.3 undecidable manual S 131 5.4945 152 0.05 75
IV.PF6.EHN. 2023-01-25T15:45:46.38 0.6 undecidable manual S 66 3.5964 161 -0.33 48
IV.FDMO.HHZ. 2023-01-25T15:45:45.61 0.3 undecidable manual P 209 11.1777 128 0.15 73
IV.CSP1.EHZ. 2023-01-25T15:45:44.96 0.1 undecidable manual P 131 5.4945 152 0.06 100
IV.PF6.EHN. 2023-01-25T15:45:44.57 0.1 undecidable manual P 66 3.5964 161 -0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.5 0.00038 0.06 AML other m 2023-01-25T15:45:47.19
IV.CSP1.EHE. ML:1.6 0.000543 0.2 AML other m 2023-01-25T15:45:47.16
IV.GUMA.HHE. ML:1.7 0.0004185 0.28 AML other m 2023-01-25T15:45:49.55
IV.GUMA.HHN. ML:1.4 0.00020500000000000002 0.96 AML other m 2023-01-25T15:45:49.68
IV.NRCA.HHE. ML:1.1 0.0000516 1.06 AML other m 2023-01-25T15:45:53.00
IV.NRCA.HHN. ML:1.1 0.00005295 0.16 AML other m 2023-01-25T15:45:55.63
IV.SSFR.HHN. ML:1.7 0.0001295 0.24 AML other m 2023-01-25T15:45:58.01
IV.SSFR.HHE. ML:1.6 0.00010385 0.2 AML other m 2023-01-25T15:45:58.14
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