Earthquake with magnitude of ML 1.0 on date 28-04-2023 and time 20:00:20 (UTC) in region 2 km N Pieve Torina (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km N Pieve Torina (MC), on

  • 28-04-2023 20:00:20 (UTC)
  • 28-04-2023 22:00:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0640, 13.0520 at 12 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
Muccia MC 2 915 915
Pieve Torina MC 2 1458 2373
Pievebovigliana MC 3 866 3239
Fiordimonte MC 4 202 3441
Camerino MC 8 6974 10415
Serravalle di Chienti MC 8 1070 11485
Monte Cavallo MC 9 145 11630
Fiastra MC 9 559 12189
Acquacanina MC 11 121 12310
Sefro MC 12 422 12732
Pioraco MC 14 1134 13866
Ussita MC 15 444 14310
Visso MC 15 1107 15417
Bolognola MC 16 142 15559
Castelraimondo MC 16 4587 20146
Caldarola MC 17 1823 21969
Serrapetrona MC 17 966 22935
Fiuminata MC 17 1402 24337
Cessapalombo MC 18 512 24849
Belforte del Chienti MC 19 1886 26735
Camporotondo di Fiastrone MC 19 563 27298
Gagliole MC 20 620 27918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 inhabitants)
95 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 1.0 2023-04-28
20:00:20
43.0645 13.0522 13 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118351931
Reviewed
Rev100
ML 1.0 2023-04-28
20:00:20
43.0613 13.0462 13 2023-04-28
20:14:44
Sala Sismica INGV-Roma 116852381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 20:00:20 ± 0.05
Latitude 43.0645 ± 0.0027
Longitude 13.0522 ± 0.0037
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 118351931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 296
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
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) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.51171
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 116852381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 20:14:44

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 118351931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-13 07:08:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-04-28T20:00:31.64 0.3 undecidable manual S 266 31.9458 94 0.15 69
IV.EL6.EHE. 2023-04-28T20:00:31.26 0.6 undecidable manual S 8 29.6481 95 0.39 45
7F.SIB2.EHE. 2023-04-28T20:00:30.46 0.3 undecidable manual S 133 28.0497 95 0.01 73
7F.SIB3.EHN. 2023-04-28T20:00:30.57 0.6 undecidable manual S 140 27.4503 95 0.28 46
IV.FRON.EHZ. 2023-04-28T20:00:30.59 0.6 undecidable manual P 332 56.7987 92 -0.06 46
IV.MMO1.EHZ. 2023-04-28T20:00:30.77 0.6 undecidable manual S 129 28.8489 95 0.11 47
IV.NRCA.HHZ. 2023-04-28T20:00:29.88 0.3 undecidable manual S 169 26.1516 96 -0.05 72
IV.SNTG.HHZ. 2023-04-28T20:00:28.85 0.6 undecidable manual S 337 22.9548 98 -0.25 47
IV.CING.HHZ. 2023-04-28T20:00:27.90 1.0 undecidable manual P 19 36.4413 93 0.38 22
IV.CSP1.EHZ. 2023-04-28T20:00:26.73 0.6 undecidable manual S 76 12.7761 118 0.25 48
IV.MMO1.EHZ. 2023-04-28T20:00:26.33 0.1 undecidable manual P 129 28.8489 95 -0.03 96
7F.SIB2.EHE. 2023-04-28T20:00:26.17 0.1 undecidable manual P 133 28.0497 95 -0.06 95
IV.FEMA.HNE. 2023-04-28T20:00:26.45 0.6 undecidable manual S 181 11.3775 123 0.29 47
IV.CESI.HHZ. 2023-04-28T20:00:26.74 0.3 undecidable manual S 241 13.6752 115 0.04 73
IV.ASSB.HHZ. 2023-04-28T20:00:26.90 0.6 undecidable manual P 266 31.9458 94 0.06 47
IV.EL6.EHE. 2023-04-28T20:00:26.32 0.1 undecidable manual P 8 29.6481 95 -0.16 93
IT.MTCL.HGZ. 2023-04-28T20:00:25.53 0.6 undecidable manual S 209 8.88 133 -0.12 49
IV.NRCA.HHZ. 2023-04-28T20:00:25.87 0.1 positive manual P 169 26.1516 96 -0.07 96
7F.SIB3.EHN. 2023-04-28T20:00:25.97 0.1 undecidable manual P 140 27.4503 95 -0.18 93
IV.MML1.EHZ. 2023-04-28T20:00:25.49 0.3 undecidable manual S 310 8.4804 135 -0.08 74
IV.SNTG.HHZ. 2023-04-28T20:00:25.31 0.1 undecidable manual P 337 22.9548 98 -0.15 95
IV.FDMO.HHN. 2023-04-28T20:00:24.79 0.6 undecidable manual S 137 4.1958 156 -0.14 49
IV.CSP1.EHZ. 2023-04-28T20:00:24.02 0.3 undecidable manual P 76 12.7761 118 0.08 74
IV.CESI.HHZ. 2023-04-28T20:00:24.16 0.1 undecidable manual P 241 13.6752 115 0.08 97
IT.MTCL.HGZ. 2023-04-28T20:00:23.57 0.1 undecidable manual P 209 8.88 133 0.1 98
IV.FDMO.HHN. 2023-04-28T20:00:23.11 0.1 undecidable manual P 137 4.1958 156 0.06 100
IV.MML1.EHZ. 2023-04-28T20:00:23.52 0.1 undecidable manual P 310 8.4804 135 0.1 98
IV.FEMA.HNE. 2023-04-28T20:00:23.42 0.1 undecidable manual P 181 11.3775 123 -0.34 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.1 0.0001561 0.2 AML other m 2023-04-28T20:00:25.71
IV.MML1.EHE. ML:1.0 0.00012925 0.14 AML other m 2023-04-28T20:00:25.72
IV.CESI.HHN. ML:0.9 0.0000791 0.12 AML other m 2023-04-28T20:00:26.83
IV.CESI.HHE. ML:1.0 0.0000923 0.08 AML other m 2023-04-28T20:00:26.83
IV.CING.HHN. ML:0.8 0.00002435 0.7 AML other m 2023-04-28T20:00:29.67
IV.CING.HHE. ML:0.8 0.0000229 0.46 AML other m 2023-04-28T20:00:29.87
IV.NRCA.HHN. ML:1.1 0.0000635 1.84 AML other m 2023-04-28T20:00:29.06
IV.NRCA.HHE. ML:1.0 0.00005044999999999999 0.16 AML other m 2023-04-28T20:00:30.19
IV.GUMA.HHE. ML:1.1 0.00008474999999999999 0.24 AML other m 2023-04-28T20:00:30.20
IV.GUMA.HHN. ML:1.1 0.00008474999999999999 0.2 AML other m 2023-04-28T20:00:30.23
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