Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 26-06-2023 and time 10:56:56 (Italy) in region 9 km SW Serravalle di Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 9 km SW Serravalle di Chienti (MC), on

  • 26-06-2023 08:56:56 (UTC)
  • 26-06-2023 10:56:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0330, 12.8630 at 7 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 9 1070 1070
Valtopina PG 9 1398 2468
Nocera Umbra PG 11 5839 8307
Monte Cavallo MC 12 145 8452
Sefro MC 15 422 8874
Foligno PG 15 57155 66029
Pieve Torina MC 15 1458 67487
Muccia MC 16 915 68402
Spello PG 16 8645 77047
Sellano PG 17 1079 78126
Fiuminata MC 18 1402 79528
Pievebovigliana MC 18 866 80394
Fiordimonte MC 19 202 80596
Pioraco MC 19 1134 81730
Trevi PG 20 8469 90199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
98 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
Reviewed
Rev100 		ML 1.0 2023-06-26
08:56:56		 43.0327 12.8632 7 2023-06-26
09:04:51		 Sala Sismica INGV-Roma 118729981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-26 08:56:56 ± 0.2
Latitude 43.0327 ± 0.0072
Longitude 12.8632 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118729981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 790
Semi-minor axis of confidence ellipse (meter) 25
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 118729981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-26 09:04:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-06-26T08:57:11.73 3.0 undecidable manual S -0.41 0
IV.NRCA.HHZ. 2023-06-26T08:57:07.16 0.3 undecidable manual S 137 30.0477 100
IV.MURB.HNZ. 2023-06-26T08:57:07.97 3.0 undecidable manual S -0.39 0
IV.CSP1.EHZ. 2023-06-26T08:57:06.86 0.3 undecidable manual S 77 28.4493 105 -0.18 71
IV.FDMO.HHZ. 2023-06-26T08:57:03.46 0.3 undecidable manual S 89 18.1707 112 -0.19 72
IV.NRCA.HHZ. 2023-06-26T08:57:03.52 0.1 undecidable manual P 137 30.0477 104 0.48 89
IV.CSP1.EHZ. 2023-06-26T08:57:02.51 0.1 undecidable manual P 77 28.4493 105 -0.22 94
IV.MML1.EHZ. 2023-06-26T08:57:02.00 0.3 undecidable manual S 44 12.5763 121 0.1 74
IV.ASSB.HHZ. 2023-06-26T08:57:02.85 0.3 undecidable manual S 274 16.5723 114 -0.3 71
IV.ATCC.EHZ. 2023-06-26T08:57:01.91 3.0 negative manual P 0.79 0
IV.ASSB.HHZ. 2023-06-26T08:57:00.51 0.1 positive manual P 274 16.5723 114 0.03 100
IV.FDMO.HHZ. 2023-06-26T08:57:00.81 0.6 positive manual P 89 18.1707 112 0.04 50
IV.MML1.EHZ. 2023-06-26T08:56:59.96 0.1 positive manual P 44 12.5763 121 0.2 97
IV.CESI.HHZ. 2023-06-26T08:56:59.90 0.6 undecidable manual S 133 4.5954 148 0.05 51
IV.CESI.HHZ. 2023-06-26T08:56:58.72 0.1 undecidable manual P 133 4.5954 148 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.0 0.0001265 0.24 AML other m 2023-06-26T08:57:02.28
IV.MML1.EHN. ML:1.0 0.000133 0.34 AML other m 2023-06-26T08:57:02.17
IV.ASSB.HHN. ML:1.2 0.00014700000000000002 0.08 AML other m 2023-06-26T08:57:03.44
IV.ASSB.HHE. ML:1.0 0.00008885 0.2 AML other m 2023-06-26T08:57:03.72
IV.FDMO.HHN. ML:0.9 0.00007230000000000001 0.16 AML other m 2023-06-26T08:57:03.87
IV.FDMO.HHE. ML:0.9 0.00006759999999999999 0.12 AML other m 2023-06-26T08:57:04.30
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