Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 23-03-2023 and time 11:08:30 (UTC) in region 5 km SW Serrapetrona (MC)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 5 km SW Serrapetrona (MC), on

  • 23-03-2023 11:08:30 (UTC)
  • 23-03-2023 12:08:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1470, 13.1430 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Serrapetrona MC 5 966 966
Camerino MC 6 6974 7940
Caldarola MC 7 1823 9763
Belforte del Chienti MC 8 1886 11649
San Severino Marche MC 10 12726 24375
Castelraimondo MC 10 4587 28962
Camporotondo di Fiastrone MC 10 563 29525
Cessapalombo MC 10 512 30037
Pievebovigliana MC 10 866 30903
Muccia MC 11 915 31818
Gagliole MC 12 620 32438
Fiastra MC 12 559 32997
Fiordimonte MC 13 202 33199
Acquacanina MC 13 121 33320
Pioraco MC 13 1134 34454
Tolentino MC 14 20069 54523
Pieve Torina MC 14 1458 55981
San Ginesio MC 15 3498 59479
Sefro MC 16 422 59901
Matelica MC 16 9981 69882
Colmurano MC 18 1263 71145
Serravalle di Chienti MC 18 1070 72215
Fiuminata MC 18 1402 73617
Sarnano MC 18 3264 76881
Gualdo MC 18 815 77696
Bolognola MC 18 142 77838
Ripe San Ginesio MC 18 852 78690
Esanatoglia MC 20 2034 80724
Urbisaglia MC 20 2628 83352

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Foligno (57155 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
61 Km E of Perugia (166134 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
77 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
91 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 0.8 2023-03-23
11:08:30		 43.1467 13.1433 1 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124204571
Reviewed
Rev100 		ML 0.8 2023-03-23
11:08:30		 43.1573 13.161 3 2023-03-23
11:31:28		 Sala Sismica INGV-Roma 115664891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-23 11:08:30 ± 0.07
Latitude 43.1467 ± 0.0045
Longitude 13.1433 ± 0.0049
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 124204571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 338
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) 104
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.23203
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 124204571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-22 13:26:21

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 115664891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-23 11:31:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-03-23T11:08:35.57 0.1 undecidable manual P 231 24.9528 91 -0.11 95
IV.CING.HHZ. 2023-03-23T11:08:35.56 0.3 undecidable manual P 9 25.752 91 -0.28 68
IV.GUMA.HHZ. 2023-03-23T11:08:34.46 0.3 undecidable manual P 121 18.0708 92 0.15 71
IV.MML1.EHZ. 2023-03-23T11:08:33.71 0.1 undecidable manual P 255 14.3745 92 0.14 96
IV.FDMO.HHZ. 2023-03-23T11:08:33.24 0.1 undecidable manual P 200 13.0758 92 -0.06 98
IV.CSP1.EHZ. 2023-03-23T11:08:32.25 0.1 undecidable manual P 141 7.881 94 -0.01 100
IV.MDAR.HNN. 2023-03-23T11:08:31.92 0.3 undecidable manual P 359 5.0949 96 0.21 72
IV.PF6.EHN. 2023-03-23T11:08:31.52 0.1 undecidable manual P 103 4.1958 97 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.7 0.00006025 0.48 AML other m 2023-03-23T11:08:38.56
IV.FDMO.HHE. ML:0.6 0.0000539 0.44 AML other m 2023-03-23T11:08:39.85
IV.FDMO.HHN. ML:0.6 0.0000519 0.48 AML other m 2023-03-23T11:08:40.37
IV.GUMA.HHN. ML:1.4 0.000216 0.4 AML other m 2023-03-23T11:08:40.79
IV.MML1.EHE. ML:0.6 0.00005255 0.54 AML other m 2023-03-23T11:08:40.65
IV.GUMA.HHE. ML:1.6 0.0003615 1.48 AML other m 2023-03-23T11:08:42.75
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