Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 01-08-2024 and time 03:07:34 (UTC) in region 1 km W Frontone (PU)

A magnitude ML 0.8 earthquake occured in region: 1 km W Frontone (PU), on

  • 01-08-2024 03:07:34 (UTC)
  • 01-08-2024 05:07:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5210, 12.7240 at 16 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.

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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
Frontone PU 1 1300 1300
Serra Sant'Abbondio PU 5 1027 2327
Cagli PU 7 8731 11058
Cantiano PU 9 2245 13303
Pergola PU 10 6333 19636
Acqualagna PU 12 4393 24029
Scheggia e Pascelupo PG 14 1393 25422
Sassoferrato AN 14 7285 32707
Arcevia AN 18 4612 37319
Costacciaro PG 18 1216 38535
Fermignano PU 19 8596 47131
Piobbico PU 19 2029 49160
Fratte Rosa PU 19 966 50126
Genga AN 20 1797 51923
Fossombrone PU 20 9575 61498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Fano (60888 inhabitants)
46 Km SW of Pesaro (94582 inhabitants)
53 Km NE of Perugia (166134 inhabitants)
62 Km S of Rimini (147750 inhabitants)
63 Km N of Foligno (57155 inhabitants)
65 Km W of Ancona (100861 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
79 Km SE of Cesena (96758 inhabitants)
95 Km SE of Forlì (117913 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 0.8 2024-08-01
03:07:34		 43.5208 12.7242 17 2024-08-01
03:33:39		 Sala Sismica INGV-Roma 130309991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-01 03:07:34 ± 0.05
Latitude 43.5208 ± 0.0027
Longitude 12.7242 ± 0.0037
Depth (km) 17 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130309991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00360
Epicentral distance of station farthest from the epicenter (degree) 0.22753
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 130309991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-01 03:33:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-08-01T03:07:41.35 0.3 undecidable manual S 311 15.2736 128 -0.11 72
IV.PIEI.HHZ. 2024-08-01T03:07:41.52 0.3 undecidable manual S 276 15.2736 128 0.05 74
IV.SSFR.HHZ. 2024-08-01T03:07:40.53 0.1 undecidable manual S 153 10.4784 141 -0.02 99
IV.MPAG.EHZ. 2024-08-01T03:07:40.96 0.3 undecidable manual S 13 12.3765 135 0.08 74
IV.FOSV.EHZ. 2024-08-01T03:07:39.74 0.3 undecidable manual P 173 25.2525 111 -0.05 73
IV.FRON.EHZ. 2024-08-01T03:07:39.53 0.3 undecidable manual S 158 0.3996 179 -0.06 75
IV.PIEI.HHZ. 2024-08-01T03:07:38.46 0.1 negative manual P 276 15.2736 128 0.02 99
IV.ARVD.HHZ. 2024-08-01T03:07:38.69 0.1 positive manual P 98 17.6712 123 -0.05 98
IV.NARO.HHZ. 2024-08-01T03:07:38.45 0.1 undecidable manual P 311 15.2736 128 0.01 99
IV.MPAG.EHZ. 2024-08-01T03:07:38.13 1.0 undecidable manual P 13 12.3765 135 0.02 25
IV.SSFR.HHZ. 2024-08-01T03:07:37.95 0.1 undecidable manual P 153 10.4784 141 0.04 99
IV.FRON.EHZ. 2024-08-01T03:07:37.44 0.1 undecidable manual P 158 0.3996 179 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.4 0.000018 0.08 AML other m 2024-08-01T03:07:38.69
IV.MPAG.EHN. ML:0.7 0.000043249999999999994 0.08 AML other m 2024-08-01T03:07:41.03
IV.MPAG.EHE. ML:0.8 0.0000482 0.08 AML other m 2024-08-01T03:07:41.03
IV.SSFR.HHN. ML:1.0 0.0000844 0.32 AML other m 2024-08-01T03:07:41.21
IV.SSFR.HHE. ML:1.0 0.00008235000000000001 0.28 AML other m 2024-08-01T03:07:41.51
IV.NARO.HHN. ML:0.8 0.00004385 0.32 AML other m 2024-08-01T03:07:41.58
IV.NARO.HHE. ML:0.8 0.000051750000000000004 0.08 AML other m 2024-08-01T03:07:41.60
IV.ARVD.HHE. ML:0.7 0.00003575 0.2 AML other m 2024-08-01T03:07:42.06
IV.PIEI.HHE. ML:0.5 0.0000252 0.76 AML other m 2024-08-01T03:07:42.57
IV.ARVD.HHN. ML:0.7 0.00003725 0.08 AML other m 2024-08-01T03:07:42.18
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