Earthquake with magnitude of ML 0.6 on date 26-04-2023 and time 05:48:25 (Italy) in region 4 km W Sellano (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km W Sellano (PG), on

  • 26-04-2023 03:48:25 (UTC)
  • 26-04-2023 05:48:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9030, 12.8840 at 8 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
Sellano PG 4 1079 1079
Cerreto di Spoleto PG 10 1075 2154
Trevi PG 11 8469 10623
Campello sul Clitunno PG 13 2442 13065
Preci PG 13 724 13789
Monte Cavallo MC 14 145 13934
Vallo di Nera PG 15 364 14298
Foligno PG 16 57155 71453
Visso MC 17 1107 72560
Montefalco PG 19 5679 78239
Sant'Anatolia di Narco PG 19 564 78803
Castel Ritaldi PG 19 3278 82081
Serravalle di Chienti MC 20 1070 83151
Spello PG 20 8645 91796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
46 Km E of Perugia (166134 inhabitants)
72 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 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 0.6 2023-04-26
03:48:25
42.9033 12.8837 8 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 117056511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 03:48:25 ± 0.21
Latitude 42.9033 ± 0.0036
Longitude 12.8837 ± 0.0061
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117056511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 73
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 117056511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-05 14:43:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHE. 2023-04-26T03:48:37.30 0.3 undecidable manual S 51 33.4443 103 -0.21 71
IV.ASSB.HHZ. 2023-04-26T03:48:34.00 0.3 undecidable manual S 310 23.9538 108 -0.34 70
IV.GAVE.EHN. 2023-04-26T03:48:34.20 0.3 undecidable manual S 178 23.4543 108 0.02 75
IV.MML1.EHZ. 2023-04-26T03:48:34.60 0.3 undecidable manual S 17 24.3534 108 0.11 74
IV.FDMO.HHZ. 2023-04-26T03:48:33.60 0.3 undecidable manual S 48 22.1556 109 -0.16 73
IV.CSP1.EHE. 2023-04-26T03:48:32.76 0.3 undecidable manual P 51 33.4443 103 0.28 70
IV.NRCA.HHZ. 2023-04-26T03:48:32.70 0.3 undecidable manual S 112 20.2686 111 -0.45 69
IV.MML1.EHZ. 2023-04-26T03:48:30.60 0.3 undecidable manual P 17 24.3534 108 -0.14 73
IV.CESI.HHZ. 2023-04-26T03:48:30.60 0.3 undecidable manual S 9 11.3775 124 0.2 74
IV.FDMO.HHZ. 2023-04-26T03:48:30.43 0.1 undecidable manual P 48 22.1556 109 0.11 99
IV.NRCA.HHZ. 2023-04-26T03:48:30.02 0.1 negative manual P 112 20.2686 111 0.06 100
IV.ASSB.HHZ. 2023-04-26T03:48:30.36 0.3 undecidable manual P 310 23.9538 108 -0.29 71
IV.GAVE.EHN. 2023-04-26T03:48:30.82 0.3 undecidable manual P 178 23.4543 108 0.26 71
IV.CESI.HHZ. 2023-04-26T03:48:28.72 0.1 undecidable manual P 9 11.3775 124 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.0 0.00003443191 0.9184 AML other m 2023-04-26T03:48:31.63
IV.CESI.HHN. ML:0.0 0.000030481855 0.6592 AML other m 2023-04-26T03:48:31.23
IV.CESI.HNN. ML:0.0 0.00012846314 0.672 AML other m 2023-04-26T03:48:32.64
IV.CESI.HNE. ML:0.0 0.00010966021 0.9088 AML other m 2023-04-26T03:48:31.63
IV.NRCA.HNE. ML:0.0 0.0001077217 0.3904 AML other m 2023-04-26T03:48:33.52
IV.NRCA.HHN. ML:0.0 0.00003160469 0.1216 AML other m 2023-04-26T03:48:32.81
IV.NRCA.HNN. ML:0.0 0.00022343325 1.328 AML other m 2023-04-26T03:48:34.15
IV.NRCA.HHE. ML:0.0 0.000024152392 0.0992 AML other m 2023-04-26T03:48:33.46
IV.ASSB.HHN. ML:0.0 0.000011392757499999999 1.28 AML other m 2023-04-26T03:48:34.68
IV.ASSB.HHE. ML:0.0 0.000010864115000000001 0.88 AML other m 2023-04-26T03:48:35.26
IV.FDMO.HHN. ML:0.0 0.0000088190085 0.2592 AML other m 2023-04-26T03:48:34.81
IV.FDMO.HHE. ML:0.0 0.0000119950595 0.24 AML other m 2023-04-26T03:48:34.87
IV.MML1.EHE. ML:0.0 0.000013371346000000001 0.2208 AML other m 2023-04-26T03:48:36.18
IV.MML1.HNN. ML:0.0 0.00008172681000000001 0.8704 AML other m 2023-04-26T03:48:34.64
IV.MML1.EHN. ML:0.0 0.000016020844999999997 0.2208 AML other m 2023-04-26T03:48:35.99
IV.MML1.HNE. ML:0.0 0.00007960604 2.08 AML other m 2023-04-26T03:48:35.61
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