Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 09-02-2024 and time 08:43:36 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 1.6 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 09-02-2024 07:43:36 (UTC)
  • 09-02-2024 08:43:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0440, 12.8090 at 22 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
Gabicce Mare PU 10 5781 5781
Cattolica RN 10 17125 22906
Gradara PU 12 4835 27741
Misano Adriatico RN 12 13014 40755
Riccione RN 13 34965 75720
San Giovanni in Marignano RN 14 9417 85137
Tavullia PU 17 8003 93140
Pesaro PU 17 94582 187722
Coriano RN 19 10502 198224
San Clemente RN 19 5577 203801
Morciano di Romagna RN 19 7045 210846
Rimini RN 20 147750 358596

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Pesaro (94582 inhabitants)
20 Km E of Rimini (147750 inhabitants)
28 Km NW of Fano (60888 inhabitants)
46 Km E of Cesena (96758 inhabitants)
64 Km SE of Ravenna (159116 inhabitants)
64 Km E of Forlì (117913 inhabitants)
74 Km NW of Ancona (100861 inhabitants)
79 Km E of Faenza (58541 inhabitants)
94 Km E of Imola (69797 inhabitants)
98 Km NE of Arezzo (99543 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 1.6 2024-02-09
07:43:36		 44.0443 12.8093 22 2024-02-09
07:51:58		 Sala Sismica INGV-Roma 125151791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-09 07:43:36 ± 0.41
Latitude 44.0443 ± 0.0144
Longitude 12.8093 ± 0.0238
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125151791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1640
Semi-minor axis of confidence ellipse (meter) 1500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79230
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.6
Num. used stations 7
Type of magnitude ML
Reference to an origin 125151791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-09 07:51:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2024-02-09T07:45:23.45 3.0 undecidable manual Sg 10.84 0
IV.PAOL.HHZ. 2024-02-09T07:45:08.61 3.0 undecidable manual Sn 1.78 0
IV.ECTS.HHZ. 2024-02-09T07:45:07.11 3.0 undecidable manual Pn -3.06 0
SL.BOJS.BHZ. 2024-02-09T07:44:51.52 3.0 undecidable manual Sg 8.99 0
IV.CERT.HHZ. 2024-02-09T07:44:37.49 3.0 undecidable manual Sn 0.12 0
IV.MCIV.CHZ. 2024-02-09T07:44:21.73 3.0 undecidable manual Sn -0.13 0
OX.VARN.HHZ. 2024-02-09T07:44:09.08 3.0 undecidable manual Pn -0.1 0
IV.LMD.HHZ. 2024-02-09T07:44:04.16 0.6 undecidable manual S 273 87.9453 98 1.03 32
IV.MMO1.EHZ. 2024-02-09T07:43:59.19 3.0 undecidable manual Pg 0.28 0
IV.PARC.HHZ. 2024-02-09T07:43:56.90 0.6 undecidable manual S 226 63.3921 102 0.24 44
IV.PIEI.HHZ. 2024-02-09T07:43:55.99 0.6 undecidable manual S 201 60.5949 103 0.05 46
IV.NARO.HHZ. 2024-02-09T07:43:53.44 0.6 undecidable manual S 201 51.4152 106 -0.14 47
IV.LMD.HHZ. 2024-02-09T07:43:51.73 1.0 positive manual P 273 87.9453 98 -0.35 21
IV.SFI.EHZ. 2024-02-09T07:43:50.21 3.0 positive manual P 0.17 0
IV.PIEI.HHZ. 2024-02-09T07:43:48.46 0.3 undecidable manual P 201 60.5949 103 0.53 62
IV.PARC.HHZ. 2024-02-09T07:43:48.11 0.3 undecidable manual P 226 63.3921 102 -0.24 67
IV.NARO.HHZ. 2024-02-09T07:43:46.25 0.1 undecidable manual P 201 51.4152 106 -0.32 90
IV.PESA.HHZ. 2024-02-09T07:43:44.83 0.3 undecidable manual S 168 11.6772 148 0.2 75
IV.RSM2.HHN. 2024-02-09T07:43:42.88 0.3 undecidable manual P 248 31.3464 117 -0.8 60
IV.PESA.HHZ. 2024-02-09T07:43:41.58 0.1 undecidable manual P 168 11.6772 148 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHE. ML:1.8 0.0003724169 0.1408 AML other m 2024-02-09T07:43:45.14
IV.PESA.HHN. ML:1.8 0.000457 1.14 AML other m 2024-02-09T07:43:45.89
IV.NARO.HHN. ML:1.3 0.000046899999999999995 0.08 AML other m 2024-02-09T07:43:53.65
IV.NARO.HHE. ML:1.1 0.000032427095000000006 0.1216 AML other m 2024-02-09T07:43:55.88
IV.PIEI.HHN. ML:1.6 0.00007165 0.24 AML other m 2024-02-09T07:43:57.87
IV.PIEI.HHE. ML:1.5 0.00006695 0.54 AML other m 2024-02-09T07:43:58.69
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