Earthquake with magnitude of ML 1.5 on date 07-05-2013 and time 22:30:55 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 1.5 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 07-05-2013 20:30:55 (UTC)
  • 07-05-2013 22:30:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1000, 12.8130 at 22 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
Gabicce Mare PU 15 5781 5781
Cattolica RN 16 17125 22906
Riccione RN 17 34965 57871
Misano Adriatico RN 17 13014 70885
Gradara PU 18 4835 75720
San Giovanni in Marignano RN 20 9417 85137

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Rimini (147750 inhabitants)
23 Km NW of Pesaro (94582 inhabitants)
33 Km NW of Fano (60888 inhabitants)
46 Km E of Cesena (96758 inhabitants)
60 Km SE of Ravenna (159116 inhabitants)
63 Km E of Forlì (117913 inhabitants)
77 Km E of Faenza (58541 inhabitants)
78 Km NW of Ancona (100861 inhabitants)
92 Km E of Imola (69797 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 1.5 2013-05-07
20:30:55
44.0997 12.8128 23 2015-01-20
11:25:44
Bollettino Sismico Italiano INGV 4603071
Reviewed
Rev100
ML 1.5 2013-05-07
20:30:55
44.1202 12.7698 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 3424251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-07 20:30:55 ± 0.22
Latitude 44.0997 ± 0.0117
Longitude 12.8128 ± 0.0288
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4603071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2365
Semi-minor axis of confidence ellipse (meter) 757
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 2360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 323
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.16008
Epicentral distance of station farthest from the epicenter (degree) 0.77522
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 4603071
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:25:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 3424251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-07 20:43:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2013-05-07T20:31:22.00 0.3 undecidable manual S 202 86.0472 99 0.55 66
IV.FRON.EHZ. 2013-05-07T20:31:16.20 0.6 undecidable manual S 186 64.8906 102 0.28 46
IV.PIEI.HHZ. 2013-05-07T20:31:16.20 0.6 undecidable manual S 200 66.378 102 -0.1 46
IV.MPAG.EHZ. 2013-05-07T20:31:12.40 0.3 undecidable manual S 185 52.4031 106 -0.27 71
IV.FSSB.HHZ. 2013-05-07T20:31:10.90 0.3 undecidable manual S 184 45.2214 109 0.06 75
IV.ATVO.HHZ. 2013-05-07T20:31:10.53 0.1 undecidable manual P 202 86.0472 99 -0.08 91
IV.SSFR.HHZ. 2013-05-07T20:31:08.88 0.1 undecidable manual P 182 73.6707 101 0.15 91
IV.FRON.EHZ. 2013-05-07T20:31:07.39 0.1 undecidable manual P 186 64.8906 102 -0.03 97
IV.PIEI.HHZ. 2013-05-07T20:31:07.32 0.3 undecidable manual P 200 66.378 102 -0.32 68
IV.PE3.EHZ. 2013-05-07T20:31:05.28 0.6 undecidable manual P 210 51.4152 106 -0.12 47
IV.MPAG.EHZ. 2013-05-07T20:31:05.27 0.1 undecidable manual P 185 52.4031 106 -0.26 96
IV.FSSB.HHZ. 2013-05-07T20:31:04.35 0.1 undecidable manual P 184 45.2214 109 -0.13 100
IV.PESA.HHE. 2013-05-07T20:31:04.51 0.6 undecidable manual S 173 17.7711 136 -0.02 53
IV.PESA.HHE. 2013-05-07T20:31:01.13 0.1 undecidable manual P 173 17.7711 136 0.29 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.5 0.0000381 0.3 AML other m 2013-05-07T20:31:22.73
IV.ATVO.HHE. ML:1.4 0.0000264 0.62 AML other m 2013-05-07T20:31:22.61
IV.FRON.EHN. ML:1.3 0.000036049999999999995 1.52 AML other m 2013-05-07T20:31:17.21
IV.FRON.EHE. ML:1.1 0.000020308 1.58 AML other m 2013-05-07T20:31:18.52
IV.FSSB.HHN. ML:1.6 0.0001147 0.38 AML other m 2013-05-07T20:31:11.64
IV.FSSB.HHE. ML:1.5 0.0000799 0.3 AML other m 2013-05-07T20:31:11.96
IV.PE3.EHN. ML:1.4 0.00005805 1.54 AML other m 2013-05-07T20:31:16.67
IV.PE3.EHE. ML:1.3 0.000049000000000000005 1.24 AML other m 2013-05-07T20:31:16.84
IV.PIEI.HHE. ML:1.7 0.0000852 0.14 AML other m 2013-05-07T20:31:17.34
IV.PIEI.HHN. ML:1.6 0.00007585 0.2 AML other m 2013-05-07T20:31:17.52
IV.SSFR.HHN. ML:1.6 0.0000593 0.26 AML other m 2013-05-07T20:31:21.62
IV.SSFR.HHE. ML:1.6 0.00006469999999999999 0.18 AML other m 2013-05-07T20:31:23.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download